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Riedmeier M, Antonini SRR, Brandalise S, Costa TEJB, Daiggi CM, de Figueiredo BC, de Krijger RR, De Sá Rodrigues KE, Deal C, Del Rivero J, Engstler G, Fassnacht M, Fernandes Luiz Canali GC, Molina CAF, Gonc EN, Gültekin M, Haak HR, Guran T, Hendriks Allaird EJ, Idkowiak J, Kuhlen M, Malkin D, Meena JP, Pamporaki C, Pinto E, Puglisi S, Ribeiro RC, Thompson LDR, Yalcin B, Van Noesel M, Wiegering V. International consensus on mitotane treatment in pediatric patients with adrenal cortical tumors: indications, therapy, and management of adverse effects. Eur J Endocrinol 2024; 190:G15-G24. [PMID: 38552173 DOI: 10.1093/ejendo/lvae038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/17/2024] [Accepted: 02/19/2024] [Indexed: 04/17/2024]
Abstract
OBJECTIVE Mitotane is an important cornerstone in the treatment of pediatric adrenal cortical tumors (pACC), but experience with the drug in the pediatric age group is still limited and current practice is not guided by robust evidence. Therefore, we have compiled international consensus statements from pACC experts on mitotane indications, therapy, and management of adverse effects. METHODS A Delphi method with 3 rounds of questionnaires within the pACC expert consortium of the international network groups European Network for the Study of Adrenal Tumors pediatric working group (ENSAT-PACT) and International Consortium of pediatric adrenocortical tumors (ICPACT) was used to create 21 final consensus statements. RESULTS We divided the statements into 4 groups: environment, indications, therapy, and adverse effects. We reached a clear consensus for mitotane treatment for advanced pACC with stages III and IV and with incomplete resection/tumor spillage. For stage II patients, mitotane is not generally indicated. The timing of initiating mitotane therapy depends on the clinical condition of the patient and the setting of the planned therapy. We recommend a starting dose of 50 mg/kg/d (1500 mg/m²/d) which can be increased up to 4000 mg/m2/d. Blood levels should range between 14 and 20 mg/L. Duration of mitotane treatment depends on the clinical risk profile and tolerability. Mitotane treatment causes adrenal insufficiency in virtually all patients requiring glucocorticoid replacement shortly after beginning. As the spectrum of adverse effects of mitotane is wide-ranging and can be life-threatening, frequent clinical and neurological examinations (every 2-4 weeks), along with evaluation and assessment of laboratory values, are required. CONCLUSIONS The Delphi method enabled us to propose an expert consensus statement, which may guide clinicians, further adapted by local norms and the individual patient setting. In order to generate evidence, well-constructed studies should be the focus of future efforts.
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Affiliation(s)
- Maria Riedmeier
- University Hospital Würzburg, Department of Pediatrics, Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, University of Wuerzburg, Wuerzburg 97080, Germany
| | - Sonir R R Antonini
- Department of Pediatrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo 14051-200, Brazil
| | - Silvia Brandalise
- Boldrini Children's Hospital, Department of Pediatrics, São Paulo 13083-210, Brazil
| | - Tatiana El Jaick B Costa
- Service of Pediatric Oncology, Hospital Infantil Joana de Gusmão, Florianópolis, SC 88025-301, Brazil
| | - Camila M Daiggi
- Boldrini Children's Hospital, Department of Pediatrics, São Paulo 13083-210, Brazil
| | | | - Ronald R de Krijger
- Department of Pathology, University Medical Center Utrecht, Utrecht 3584 CS, The Netherlands
| | | | - Cheri Deal
- Research Center, CHU Sainte-Justine and University of Montreal, Montreal, Québec H3T 1C5, Canada
| | - Jaydira Del Rivero
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, United States
| | - Gernot Engstler
- St. Anna Kinderspital, Department of Pediatrics, Medical University Vienna, Vienna 1090, Austria
| | - Martin Fassnacht
- Department of Medicine, Division of Endocrinology and Diabetes, University Hospital, University of Wuerzburg, Wuerzburg 97080, Germany
| | | | - Carlos A Fernandes Molina
- Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of Sao 15 Paulo, Ribeirao Preto, Sao Paulo 14049-900, Brazil
| | - Elmas Nazli Gonc
- Department of Pediatric Endocrinology, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | - Melis Gültekin
- Department of Radiation Oncology, Faculty of Medicine, Hacettepe University, Ankara 06100, Turkey
| | - Harm R Haak
- Department of Internal Medicine, Máxima MC, Eindhoven 5631 BM/Veldhoven 5504 DB, The Netherlands
- CAPHRI School for Public Health and Primary Care, Ageing and Long-Term Care, Maastricht University, Maastricht 616 6200 MD, The Netherlands
| | - Tulay Guran
- Department of Paediatric Endocrinology and Diabetes, Marmara University School of Medicine, Istanbul 34722, Turkey
| | - Emile J Hendriks Allaird
- Department of Paediatrics, University of Cambridge, Cambridge CB20QQ, United Kingdom
- Department of Paediatric Endocrinology and Diabetes, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB20QQ, United Kingdom
| | - Jan Idkowiak
- Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham B152TT, United Kingdom
- Department of Endocrinology, Birmingham Women's and Children's Hospital NHS Foundation Trust, Birmingham B46NH, United Kingdom
| | - Michaela Kuhlen
- Pediatrics and Adolescent Medicine, Faculty of Medicine, University of Augsburg, Augsburg 86135, Germany
| | - David Malkin
- Division of Haematology/Oncology, The Hospital for Sick Children, University of Toronto, Toronto, Ontario M5G1X8, Canada
| | - Jagdish Prasad Meena
- Division of Pediatric Oncology, Department of Pediatrics, Mother & Child Block, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Christina Pamporaki
- Department of Medicine III, University Hospital Carl Gustav Carus, TU Dresden, Dresden 01307, Germany
| | - Emilia Pinto
- St. Jude Children's Research Hospital, Memphis, TN 38105, United States
| | - Soraya Puglisi
- Internal Medicine, Department of Clinical and Biological Sciences, San Luigi Gonzaga Hospital, University of Turin, Orbassano 10043, Italy
| | - Raul C Ribeiro
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN 38105, United States
| | - Lester D R Thompson
- Pathology, Head and Neck Pathology Consultations, Woodland Hills, CA 91364, United States
| | - Bilgehan Yalcin
- Department of Pediatric Oncology, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | - Max Van Noesel
- Pediatric Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht 3584 CS, The Netherlands
- Division Imaging & Cancer, University Medical Center Utrecht, Utrecht 3584 CS, The Netherlands
| | - Verena Wiegering
- University Hospital Würzburg, Department of Pediatrics, Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, University of Wuerzburg, Wuerzburg 97080, Germany
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Stadler G, de Almeida Veiga A, Rita Corso C, Bach de Assis C, de Toledo Nogueira B, Regina Rocha Martins L, Cruz Bonk B, Lada Degaut Pontes F, Cavalcante de Figueiredo B, Mera de Souza L. Two-dimensional chromatography for enantiomeric analysis of mitotane and its metabolite o,p'-DDA in patients with adrenocortical carcinoma indicates enantioselective metabolism. Bioorg Chem 2023; 141:106835. [PMID: 37713949 DOI: 10.1016/j.bioorg.2023.106835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/21/2023] [Accepted: 09/02/2023] [Indexed: 09/17/2023]
Abstract
Mitotane is a chiral drug used to treat adrenocortical carcinoma, being metabolized to the o,p'-dichlorodiphenyl acetic acid (o,p'-DDA), also a chiral compound. Despite of its therapeutic significance, the overall ratios and enantiomers have not been known. In this study, we analyzed the enantiomers of mitotane and o,p'-DDA in the plasma of patients by a newly developed chiral-phase method employed in two-dimensional chromatography. Important differences were observed in the ratio of (S)/(R)-mitotane, which varied substantially from 1:1.2 to 1:10 whereas the (S)/(R)-o,p'-DDA ratio was relatively conserved, at approximately 2:1. These findings provide evidence for the enantioselective metabolism and provide a method for further analyses of mitotane and metabolites, which can explain the variation in the therapeutic response.
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Affiliation(s)
- Gabriela Stadler
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba 80250-060, Brazil; Faculdades Pequeno Príncipe, Curitiba 80230-020, Brazil
| | - Alan de Almeida Veiga
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba 80250-060, Brazil; Faculdades Pequeno Príncipe, Curitiba 80230-020, Brazil
| | - Claudia Rita Corso
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba 80250-060, Brazil; Faculdades Pequeno Príncipe, Curitiba 80230-020, Brazil
| | - Camila Bach de Assis
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba 80250-060, Brazil; Faculdades Pequeno Príncipe, Curitiba 80230-020, Brazil
| | - Beatriz de Toledo Nogueira
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba 80250-060, Brazil; Faculdades Pequeno Príncipe, Curitiba 80230-020, Brazil
| | | | - Beatriz Cruz Bonk
- Universidade Tecnológica Federal do Paraná, Curitiba 81280-340, Brazil
| | - Flávia Lada Degaut Pontes
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Paraná, Curitiba 81531-990, Brazil
| | - Bonald Cavalcante de Figueiredo
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba 80250-060, Brazil; Faculdades Pequeno Príncipe, Curitiba 80230-020, Brazil
| | - Lauro Mera de Souza
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba 80250-060, Brazil; Faculdades Pequeno Príncipe, Curitiba 80230-020, Brazil.
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Ríos Medrano MA, Bigi MM, Martínez Ponce P, Podesta EJ, Orlando UD. Exposure to anticancer drugs modulates the expression of ACSL4 and ABCG2 proteins in adrenocortical carcinoma cells. Heliyon 2023; 9:e20769. [PMID: 37867801 PMCID: PMC10585233 DOI: 10.1016/j.heliyon.2023.e20769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 09/21/2023] [Accepted: 10/05/2023] [Indexed: 10/24/2023] Open
Abstract
Adrenocortical carcinoma (ACC) is a rare and malignant disease, with more than 50 % of patients developing hormone-secreting tumors. These tumors are genetically heterogeneous and potentially lethal, as metastasis is often underway at the time of diagnosis. While chemoresistance can be multifactorial, Acyl CoA synthetase 4 (ACSL4) is known to contribute to the generation of highly aggressive cellular phenotypes, while increased expression and activity of multidrug transporters such as ATP-binding cassette subfamily G member 2 (ABCG2) are known to play a key role. Therefore, the objective of this work was to determine changes in the expression of ACSL4 and ABCG2 in ACC cell lines after exposure to antitumor drugs. Bioinformatics analysis of public database GSE140818 revealed higher ACSL4 and ABCG2 expression in HAC15 cells resistant to mitotane when compared to wild type cells. In addition, our studies revealed an increase in ACSL4 and ABCG2 expression in lowly aggressive H295R cells undergoing early treatment with non-lethal concentrations of mitotane, doxorubicin and cisplatin. Comparable results were obtained in lowly aggressive breast cancer cells MCF-7. The increase in ACSL4 and ABCG2 expression favored tumor cell viability, proliferation and compound efflux, an effect partially offset by ACSL4 and ABCG2 inhibitors. These results provide relevant data on the undesired molecular effects of antitumor drugs and may fuel future studies on patients' early response to antitumor treatment.
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Affiliation(s)
- Mayra Agustina Ríos Medrano
- Universidad de Buenos Aires-CONICET. Instituto de Investigaciones Biomédicas (INBIOMED). Buenos Aires. Argentina
| | - María Mercedes Bigi
- Universidad de Buenos Aires-CONICET. Instituto de Investigaciones Biomédicas (INBIOMED). Buenos Aires. Argentina
| | - Paloma Martínez Ponce
- Universidad de Buenos Aires-CONICET. Instituto de Investigaciones Biomédicas (INBIOMED). Buenos Aires. Argentina
| | - Ernesto Jorge Podesta
- Universidad de Buenos Aires-CONICET. Instituto de Investigaciones Biomédicas (INBIOMED). Buenos Aires. Argentina
- Universidad de Buenos Aires. Facultad de Medicina. Departamento de Bioquímica Humana. Buenos Aires. Argentina
| | - Ulises Daniel Orlando
- Universidad de Buenos Aires-CONICET. Instituto de Investigaciones Biomédicas (INBIOMED). Buenos Aires. Argentina
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Dedhia PH, Sivakumar H, Rodriguez MA, Nairon KG, Zent JM, Zheng X, Jones K, Popova LV, Leight JL, Skardal A. A 3D adrenocortical carcinoma tumor platform for preclinical modeling of drug response and matrix metalloproteinase activity. Sci Rep 2023; 13:15508. [PMID: 37726363 PMCID: PMC10509170 DOI: 10.1038/s41598-023-42659-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 09/13/2023] [Indexed: 09/21/2023] Open
Abstract
Adrenocortical carcinoma (ACC) has a poor prognosis, and no new drugs have been identified in decades. The absence of drug development can partly be attributed to a lack of preclinical models. Both animal models and 2D cell cultures of ACC fail to accurately mimic the disease, as animal physiology is inherently different than humans, and 2D cultures fail to represent the crucial 3D architecture. Organoids and other small 3D in vitro models of tissues or tumors can model certain complexities of human in vivo biology; however, this technology has largely yet to be applied to ACC. In this study, we describe the generation of 3D tumor constructs from an established ACC cell line, NCI-H295R. NCI-H295R cells were encapsulated to generate 3D ACC constructs. Tumor constructs were assessed for biomarker expression, viability, proliferation, and cortisol production. In addition, matrix metalloproteinase (MMP) functionality was assessed directly using fluorogenic MMP-sensitive biosensors and through infusion of NCI-H295R cells into a metastasis-on-a-chip microfluidic device platform. ACC tumor constructs showed expression of biomarkers associated with ACC, including SF-1, Melan A, and inhibin α. Treatment of ACC tumor constructs with chemotherapeutics demonstrated decreased drug sensitivity compared to 2D cell culture. Since most tumor cells migrate through tissue using MMPs to break down extracellular matrix, we validated the utility of ACC tumor constructs by integrating fluorogenic MMP-sensitive peptide biosensors within the tumor constructs. Lastly, in our metastasis-on-a-chip device, NCI-H295R cells successfully engrafted in a downstream lung cell line-based construct, but invasion distance into the lung construct was decreased by MMP inhibition. These studies, which would not be possible using 2D cell cultures, demonstrated that NCI-H295R cells secreted active MMPs that are used for invasion in 3D. This work represents the first evidence of a 3D tumor constructs platform for ACC that can be deployed for future mechanistic studies as well as development of new targets for intervention and therapies.
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Affiliation(s)
- Priya H Dedhia
- Division of Surgical Oncology, The Ohio State University and Arthur G. James Comprehensive Cancer Center, 816 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA.
- Translational Therapeutics Program, The Ohio State University and Arthur G. James Comprehensive Cancer Center, Columbus, OH, USA.
- Center for Cancer Engineering, The Ohio State University, Columbus, OH, USA.
| | - Hemamylammal Sivakumar
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, 886 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA
| | - Marco A Rodriguez
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, 886 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA
| | - Kylie G Nairon
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, 886 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA
| | - Joshua M Zent
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, 886 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA
| | - Xuguang Zheng
- Division of Surgical Oncology, The Ohio State University and Arthur G. James Comprehensive Cancer Center, 816 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA
| | - Katie Jones
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, 886 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA
| | - Liudmila V Popova
- Division of Surgical Oncology, The Ohio State University and Arthur G. James Comprehensive Cancer Center, 816 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA
| | - Jennifer L Leight
- Center for Cancer Engineering, The Ohio State University, Columbus, OH, USA.
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, 886 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA.
- Cancer Biology Program, The Ohio State University and Arthur G. James Comprehensive Cancer Center, Columbus, OH, USA.
| | - Aleksander Skardal
- Center for Cancer Engineering, The Ohio State University, Columbus, OH, USA.
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, 886 Biomedical Research Tower, 460 W. 12th Ave, Columbus, OH, 43210, USA.
- Cancer Biology Program, The Ohio State University and Arthur G. James Comprehensive Cancer Center, Columbus, OH, USA.
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5
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Dedhia P, Sivakumar H, Rodriguez MA, Nairon KG, Zent JM, Zheng X, Jones K, Popova L, Leight JL, Skardal A. A 3D adrenocortical carcinoma tumor platform for preclinical modeling of drug response and matrix metalloproteinase activity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.24.525287. [PMID: 36747748 PMCID: PMC9900758 DOI: 10.1101/2023.01.24.525287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Adrenocortical carcinoma (ACC) has a poor prognosis, and no new drugs have been identified in decades. The absence of drug development can partly be attributed to a lack of preclinical models. Both animal models and 2D cell cultures of ACC fail to accurately mimic the disease, as animal physiology is inherently different than humans, and 2D cultures fail to represent the crucial 3D architecture. Organoids and other small 3D in vitro models of tissues or tumors can model certain complexities of human in vivo biology; however, this technology has largely yet to be applied to ACC. In this study, we describe the generation of 3D tumor constructs from an established ACC cell line, NCI-H295R. NCI-H295R cells were encapsulated to generate 3D ACC constructs. Tumor constructs were assessed for biomarker expression, viability, proliferation, and cortisol production. In addition, matrix metalloproteinase (MMP) functionality was assessed directly using fluorogenic MMP-sensitive biosensors and through infusion of NCI-H295R cells into a metastasis-on-a-chip microfluidic device platform. ACC tumor constructs showed expression of biomarkers associated with ACC, including SF-1, Melan A, and inhibin alpha. Treatment of ACC tumor constructs with chemotherapeutics demonstrated decreased drug sensitivity compared to 2D cell culture. Since most tumor cells migrate through tissue using MMPs to break down extracellular matrix, we validated the utility of ACC tumor constructs by integrating fluorogenic MMP-sensitive peptide biosensors within the tumor constructs. Lastly, in our metastasis-on-a-chip device, NCI-H295R cells successfully engrafted in a downstream lung cell line-based construct, but invasion distance into the lung construct was decreased by MMP inhibition. These studies, which would not be possible using 2D cell cultures, demonstrated that NCI-H295R cells secreted active MMPs that are used for invasion in 3D. This work represents the first evidence of a 3D tumor constructs platform for ACC that can be deployed for future mechanistic studies as well as development of new targets for intervention and therapies.
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Ткачук АВ, Бельцевич ДГ, Порубаева ЭЭ, Урусова ЛС. [Morphological predictors of the efficacy of mitotane therapy in adrenocortical cancer]. PROBLEMY ENDOKRINOLOGII 2023; 68:76-88. [PMID: 36689714 PMCID: PMC9939962 DOI: 10.14341/probl13172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 12/20/2022] [Accepted: 01/08/2023] [Indexed: 01/25/2023]
Abstract
BACKGROUND Adrenocortical cancer (ACC) is an orphan malignant tumor of the adrenal cortex with a predominantly poor prognosis and an aggressive clinical course. Nowadays, mitotane is a non-alternative drug in the treatment of ACC. The search for prognostic parameters that determine the sensitivity of ACC to ongoing treatment is currently an urgent task. Expression levels of the large subunit of ribonucleotide reductase M1 (RRM1), cytochrome P450 2W1 (CYP2W1), and sterol- O-acyltransferase-1 (SOAT1) are considered as potential predictors of response to mitotane therapy. AIM To assess the immunohistochemical expression of RRM1, CYP2W1 and SOAT1 in ACC as markers of clinical outcomes and response to the therapy with mitotane. MATERIALS AND METHODS The study included 62 patients older than 17 years of age with a diagnosis of ACC confirmed histologically and immunohistochemically. Mitotane therapy was initiated in 29 patients in the postoperative period, 33 patients were under dynamic observation without concomitant drug treatment. Antibodies to RRM1, CYP2W1, SOAT1 were used diluted in accordance with recommendations of firms-manufacturers for immunohistochemical detection. RESULTS In the group of patients with low and moderate RRM1, CYP2W1 and SOAT1 immunoreactivity in the tumor and no antitumor therapy, a better DFS was noted (p=0.037, p=0.020 and p=0.001, respectively) compared to the group of patients receiving mitotane therapy at this level of marker expression. With high immunoreactivity of the markers, no statistically significant differences in DFS were found. CONCLUSION Consistent with the findings in our study, low expression of RRM1, CYP2W1 and SOAT1 was associated with worse DFS with antitumor therapy. The results of the work indicate the need to assess the levels of immunoreactivity of these markers in patients with ACC before starting treatment with mitotane in order to predict the efficiency of therapy.
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Affiliation(s)
- А. В. Ткачук
- ФГБУ "Национальный медицинский исследовательский центр эндокринологии" Минздрава России
| | - Д. Г. Бельцевич
- ФГБУ "Национальный медицинский исследовательский центр эндокринологии" Минздрава России
| | - Э. Э. Порубаева
- ФГБУ "Национальный медицинский исследовательский центр эндокринологии" Минздрава России; ФГАОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова» Минздрава России (Сеченовский университет)
| | - Л. С. Урусова
- ФГБУ "Национальный медицинский исследовательский центр эндокринологии" Минздрава России
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Bach C, Corso CR, Veiga ADA, Paraizo MM, de Souza LM. Effects of o,p'-DDE, a Mitotane Metabolite, in an Adrenocortical Carcinoma Cell Line. Pharmaceuticals (Basel) 2022; 15:ph15121486. [PMID: 36558937 PMCID: PMC9784234 DOI: 10.3390/ph15121486] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/17/2022] [Accepted: 11/22/2022] [Indexed: 12/02/2022] Open
Abstract
In South Brazil, the incidence of pediatric adrenocortical carcinoma (ACC) is higher than in other regions and countries worldwide. The ACC treatment includes therapy with mitotane, the only adrenolytic drug approved by the FDA. The mitotane metabolism occurs via two main reactions: the β-hydroxylation, which yields the final product o,p'-DDA, and the α-hydroxylation, which will give the final product o,p'-DDE. It is speculated that o,p'-DDE may be an active metabolite since it has a cytotoxic effect on adrenocortical carcinoma cells (H295R). No further studies have been conducted to confirm this hypothesis; however, it was found that mitotane and its metabolites are present at significantly different concentrations in the plasma of the patients. Our study aimed to assess the in vitro effects of o,p'-DDE and o,p'-DDD in cell death pathways, oxidative parameters, and interaction with adrenal CYP's involved in the steroidogenic process in the H295R cell line. It was found that o,p'-DDE had a different effect than the o,p'-DDD on apoptosis, inhibiting this cell death pathway, but it promotes cell necrosis at higher concentrations. In contrast to o,p'-DDD, the o,p'-DDE did not have effects on the different oxidative parameters evaluated, but exhibited stimulatory interactions with steroidogenic CYP's, at intermediate concentrations. Therefore, we demonstrated important cell effects of o,p'-DDE; its plasma levels during mitotane therapy should be monitored as an important therapeutic parameter.
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Affiliation(s)
- Camila Bach
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim, 1632-Água Verde, Curitiba CEP 80250-060, PR, Brazil
- Faculdades Pequeno Príncipe, Av. Iguaçu, 333-Rebouças, Curitiba CEP 80230-020, PR, Brazil
| | - Claudia Rita Corso
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim, 1632-Água Verde, Curitiba CEP 80250-060, PR, Brazil
- Faculdades Pequeno Príncipe, Av. Iguaçu, 333-Rebouças, Curitiba CEP 80230-020, PR, Brazil
| | - Alan de Almeida Veiga
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim, 1632-Água Verde, Curitiba CEP 80250-060, PR, Brazil
- Faculdades Pequeno Príncipe, Av. Iguaçu, 333-Rebouças, Curitiba CEP 80230-020, PR, Brazil
| | - Mariana Martins Paraizo
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim, 1632-Água Verde, Curitiba CEP 80250-060, PR, Brazil
- Faculdades Pequeno Príncipe, Av. Iguaçu, 333-Rebouças, Curitiba CEP 80230-020, PR, Brazil
| | - Lauro Mera de Souza
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim, 1632-Água Verde, Curitiba CEP 80250-060, PR, Brazil
- Faculdades Pequeno Príncipe, Av. Iguaçu, 333-Rebouças, Curitiba CEP 80230-020, PR, Brazil
- Correspondence: ; Tel.: +55-41-3310-1035
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Lerario AM, Mohan DR, Hammer GD. Update on Biology and Genomics of Adrenocortical Carcinomas: Rationale for Emerging Therapies. Endocr Rev 2022; 43:1051-1073. [PMID: 35551369 PMCID: PMC9695111 DOI: 10.1210/endrev/bnac012] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Indexed: 11/19/2022]
Abstract
The adrenal glands are paired endocrine organs that produce steroid hormones and catecholamines required for life. Adrenocortical carcinoma (ACC) is a rare and often fatal cancer of the peripheral domain of the gland, the adrenal cortex. Recent research in adrenal development, homeostasis, and disease have refined our understanding of the cellular and molecular programs controlling cortical growth and renewal, uncovering crucial clues into how physiologic programs are hijacked in early and late stages of malignant neoplasia. Alongside these studies, genome-wide approaches to examine adrenocortical tumors have transformed our understanding of ACC biology, and revealed that ACC is composed of distinct molecular subtypes associated with favorable, intermediate, and dismal clinical outcomes. The homogeneous transcriptional and epigenetic programs prevailing in each ACC subtype suggest likely susceptibility to any of a plethora of existing and novel targeted agents, with the caveat that therapeutic response may ultimately be limited by cancer cell plasticity. Despite enormous biomedical research advances in the last decade, the only potentially curative therapy for ACC to date is primary surgical resection, and up to 75% of patients will develop metastatic disease refractory to standard-of-care adjuvant mitotane and cytotoxic chemotherapy. A comprehensive, integrated, and current bench-to-bedside understanding of our field's investigations into adrenocortical physiology and neoplasia is crucial to developing novel clinical tools and approaches to equip the one-in-a-million patient fighting this devastating disease.
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Affiliation(s)
- Antonio Marcondes Lerario
- Department of Internal Medicine, Division of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, Michigan 48109-2200, USA
| | - Dipika R Mohan
- Medical Scientist Training Program, University of Michigan, Ann Arbor, Michigan 48109-2200, USA
| | - Gary D Hammer
- Department of Internal Medicine, Division of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, Michigan 48109-2200, USA
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan 48109-2200, USA
- Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109-2200, USA
- Department of Cell & Developmental Biology, University of Michigan, Ann Arbor, Michigan 48109-2200, USA
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9
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Heo YJ, Yoo JH, Choe YS, Park SH, Lee SB, Kim HA, Choi JY, Lee YA, Lim BC, Chueh HW. Low-dose mitotane-induced neurological and endocrinological complication in a 5-year-old girl with adrenocortical carcinoma. Ann Pediatr Endocrinol Metab 2022; 27:236-241. [PMID: 34670067 PMCID: PMC9537676 DOI: 10.6065/apem.2142044.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 05/31/2021] [Indexed: 12/02/2022] Open
Abstract
Mitotane is an adrenolytic drug that exhibits therapeutic effects within a narrow target range (14-20 μg/dL). Various complications develop if the upper limit is exceeded. We present the case of a 5-year-old girl with breast development, acne, and pubic hair who was diagnosed with an adrenal mass that was subsequently excised. The pathological finding was adrenocortical carcinoma with a high risk of malignancy, and adjuvant therapy (combined mitotane and radiation therapy) was recommended. Mitotane was initiated at a low dose to allow monitoring of the therapeutic drug level, and high-dose hydrocortisone was also administered. However, the patient exhibited elevated adrenocorticotropic hormone levels and vague symptoms such as general weakness and difficulty concentrating. It was important to determine if these symptoms were signs of the neurological complications that develop when mitotane level is elevated. Encephalopathy progression and pubertal signs appeared 6 months after diagnosis, induced by high mitotane level. The mitotane decreased to subtherapeutic level several months after its discontinuation, at which time endocrinopathy (central hypothyroidism, hypercholesterolemia, and secondary central precocious puberty) developed. The case shows that low-dose mitotane can trigger neurological and endocrinological complications in a pediatric patient, indicating that the drug dose should be individualized with frequent monitoring of the therapeutic level.
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Affiliation(s)
- You Joung Heo
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Jae Ho Yoo
- Department of Pediatrics, Dong-A University Hospital, Dong-A University College of Medicine, Busan, Korea
| | - Yun Soo Choe
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Sang Hee Park
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Seung Bok Lee
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Hyun A Kim
- Department of Pediatrics, Dong-A University Hospital, Dong-A University College of Medicine, Busan, Korea
| | - Jung Yoon Choi
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Young Ah Lee
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Byung Chan Lim
- Department of Pediatrics, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Hee Won Chueh
- Department of Pediatrics, Dong-A University Hospital, Dong-A University College of Medicine, Busan, Korea,Address for correspondence: Hee Won Chueh Department of Pediatrics, Dong-A University Hospital, Dong-A University College of Medicine, 32 Daesingongwon-ro, Seo-gu, Busan 49201, Korea
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10
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Sigala S, Bothou C, Penton D, Abate A, Peitzsch M, Cosentini D, Tiberio GAM, Bornstein SR, Berruti A, Hantel C. A Comprehensive Investigation of Steroidogenic Signaling in Classical and New Experimental Cell Models of Adrenocortical Carcinoma. Cells 2022; 11:1439. [PMID: 35563746 PMCID: PMC9103477 DOI: 10.3390/cells11091439] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 12/26/2022] Open
Abstract
Adrenocortical carcinoma is a heterogeneous and aggressive cancer that originates from steroidogenic cells within the adrenal cortex. In this study, we have assessed for the preclinical gold standard NCI-H295 in direct comparison with the more recently established MUC-1 and a here newly reported ACC cell line (TVBF-7) the mutational status of important driver genes (TP53, MEN1, PRKAR1A, CTNNB1, APC, ZNRF-3, IGF-2, EGFR, RB1, BRCA1, BRCA2, RET, GNAS and PTEN), Wnt-signaling specificities (CTNNB1 mutation vs. APC mutation vs. wildtype), steroidogenic-(CYP11A1, CYP17A1, HSD3B2, HSD17B4, CYP21A2, CYP11B1, CYP11B2, MC2R, AT1R) and nuclear-receptor-signaling (AR, ER, GCR), varying electrophysiological potentials as well as highly individual hormone secretion profiles (Cortisol, Aldosterone, DHEA, DHEAS, Testosterone, 17-OH Progesterone, among others) which were investigated under basal and stimulated conditions (ACTH, AngII, FSK). Our findings reveal important genetic and pathophysiological characteristics for these three cell lines and reveal the importance of such cell-line panels reflecting differential endocrine functionalities to thereby better reflect clinically well-known ACC patient heterogeneities in preclinical studies.
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Affiliation(s)
- Sandra Sigala
- Section of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, 25124 Brescia, Italy; (S.S.); (A.A.)
| | - Christina Bothou
- Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zurich (USZ) and University of Zurich (UZH), 8091 Zürich, Switzerland; (C.B.); (S.R.B.)
| | - David Penton
- Electrophysiology Facility (e-phac), Department of Molecular Life Sciences, University of Zurich (UZH), 8057 Zürich, Switzerland;
| | - Andrea Abate
- Section of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, 25124 Brescia, Italy; (S.S.); (A.A.)
| | - Mirko Peitzsch
- Medizinische Klinik und Poliklinik III, University Hospital Carl Gustav Carus Dresden, 01307 Dresden, Germany;
| | - Deborah Cosentini
- Medical Oncology Unit, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia at ASST Spedali Civili di Brescia, 25124 Brescia, Italy; (D.C.); (A.B.)
| | - Guido A. M. Tiberio
- Surgical Clinic, Department of Clinical and Experimental Sciences, University of Brescia at ASST Spedali Civili di Brescia, 25124 Brescia, Italy;
| | - Stefan R. Bornstein
- Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zurich (USZ) and University of Zurich (UZH), 8091 Zürich, Switzerland; (C.B.); (S.R.B.)
- Medizinische Klinik und Poliklinik III, University Hospital Carl Gustav Carus Dresden, 01307 Dresden, Germany;
- Diabetes and Nutritional Sciences, King’s College London, London WC2R 2LS, UK
- Center for Regenerative Therapies, Technische Universität Dresden, 01307 Dresden, Germany
- Paul-Langerhans-Institute Dresden, Helmholtz Center Munich, University Hospital Carl Gustav Carus, Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 636921, Singapore
| | - Alfredo Berruti
- Medical Oncology Unit, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia at ASST Spedali Civili di Brescia, 25124 Brescia, Italy; (D.C.); (A.B.)
| | - Constanze Hantel
- Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zurich (USZ) and University of Zurich (UZH), 8091 Zürich, Switzerland; (C.B.); (S.R.B.)
- Medizinische Klinik und Poliklinik III, University Hospital Carl Gustav Carus Dresden, 01307 Dresden, Germany;
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11
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Stelcer E, Komarowska H, Jopek K, Żok A, Iżycki D, Malińska A, Szczepaniak B, Komekbai Z, Karczewski M, Wierzbicki T, Suchorska W, Ruchała M, Ruciński M. Biological response of adrenal carcinoma and melanoma cells to mitotane treatment. Oncol Lett 2022; 23:120. [PMID: 35261634 PMCID: PMC8855164 DOI: 10.3892/ol.2022.13240] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 12/02/2021] [Indexed: 11/09/2022] Open
Abstract
A previous case report described an adrenal incidentaloma initially misdiagnosed as adrenocortical carcinoma (ACC), which was treated with mitotane. The final diagnosis was metastatic melanoma of unknown primary origin. However, the patient developed rapid disease progression after mitotane withdrawal, suggesting a protective role for mitotane in a non-adrenal-derived tumor. The aim of the present study was to determine the biological response of primary melanoma cells obtained from that patient, and that of other established melanoma and ACC cell lines, to mitotane treatment using a proliferation assay, flow cytometry, quantitative PCR and microarrays. Although mitotane inhibited the proliferation of both ACC and melanoma cells, its role in melanoma treatment appears to be limited. Flow cytometry analysis and transcriptomic studies indicated that the ACC cell line was highly responsive to mitotane treatment, while the primary melanoma cells showed a moderate response in vitro. Mitotane modified the activity of several key biological processes, including ‘mitotic nuclear division’, ‘DNA repair’, ‘angiogenesis’ and ‘negative regulation of ERK1 and ERK2 cascade’. Mitotane administration led to elevated levels of DNA double-strand breaks, necrosis and apoptosis. The present study provides a comprehensive insight into the biological response of mitotane-treated cells at the molecular level. Notably, the present findings offer new knowledge on the effects of mitotane on ACC and melanoma cells.
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Affiliation(s)
- Ewelina Stelcer
- Department of Histology and Embryology, Poznan University of Medical Sciences, 61‑001 Poznan, Poland
| | - Hanna Komarowska
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 60‑355 Poznan, Poland
| | - Karol Jopek
- Department of Histology and Embryology, Poznan University of Medical Sciences, 61‑001 Poznan, Poland
| | - Agnieszka Żok
- Division of Philosophy of Medicine and Bioethics, Department of Social Sciences and Humanities, Poznan University of Medical Sciences, 60‑806 Poznan, Poland
| | - Dariusz Iżycki
- Department of Cancer Immunology, Poznan University of Medical Sciences, 61‑866 Poznan, Poland
| | - Agnieszka Malińska
- Department of Histology and Embryology, Poznan University of Medical Sciences, 61‑001 Poznan, Poland
| | - Beata Szczepaniak
- Department of Histology and Embryology, Poznan University of Medical Sciences, 61‑001 Poznan, Poland
| | - Zhanat Komekbai
- Department of Histology, West Kazakhstan Marat Ospanov Medical University, Aktobe 030019, Kazakhstan
| | - Marek Karczewski
- Department of General and Transplantation Surgery, Poznan University of Medical Sciences, 60‑355 Poznan, Poland
| | - Tomasz Wierzbicki
- Department of General, Endocrinological and Gastroenterological Surgery, Poznan University of Medical Sciences, 60‑355 Poznan, Poland
| | - Wiktoria Suchorska
- Radiobiology Laboratory, Greater Poland Cancer Centre, 61‑866 Poznan, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 60‑355 Poznan, Poland
| | - Marcin Ruciński
- Department of Histology and Embryology, Poznan University of Medical Sciences, 61‑001 Poznan, Poland
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12
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Abate A, Rossini E, Tamburello M, Laganà M, Cosentini D, Grisanti S, Fiorentini C, Tiberio GAM, Scatolini M, Grosso E, Hantel C, Memo M, Berruti A, Sigala S. Ribociclib Cytotoxicity Alone or Combined With Progesterone and/or Mitotane in in Vitro Adrenocortical Carcinoma Cells. Endocrinology 2022; 163:6455501. [PMID: 34875044 DOI: 10.1210/endocr/bqab248] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Indexed: 11/19/2022]
Abstract
Mitotane is the only approved drug for treating adrenocortical carcinoma (ACC). The regimen added to mitotane is chemotherapy with etoposide, doxorubicin, and cisplatin. This pharmacological approach, however, has a limited efficacy and significant toxicity. Target-therapy agents represent a new promising approach to cancer therapy. Among these, a preeminent role is played by agents that interfere with cell-cycle progression, such as CDK4/6-inhibitors. Here, we investigate whether ribociclib could induce a cytotoxic effect both in ACC cell line and patient-derived primary cell cultures, alone or in combined settings. Cell viability was determined by 3-(4,5-dimethyl-2-thiazol)-2,5-diphenyl-2H-tetrazolium bromide assay, whereas cell proliferation was evaluated by direct count. Binary combination experiments were performed using Chou and Talalay method. Gene expression was analyzed by quantitative RT-PCR, whereas protein expression was evaluated by immunofluorescence. A double staining assay revealed that ribociclib induced a prevalent apoptotic cell death. Cell-cycle analysis was performed to evaluate the effect of ribociclib treatment on cell-cycle progression in ACC cell models. Our results indicate that ribociclib was cytotoxic and reduced the cell proliferation rate. The effect on cell viability was enhanced when ribociclib was combined with progesterone and/or mitotane. The effect of ribociclib on cell-cycle progression revealed a drug-induced cell accumulation in G2 phase. The positive relationship underlined by our results between ribociclib, progesterone, and mitotane strengthen the clinical potential of this combination.
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Affiliation(s)
- Andrea Abate
- Section of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, 25123, Italy
| | - Elisa Rossini
- Section of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, 25123, Italy
| | - Mariangela Tamburello
- Section of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, 25123, Italy
| | - Marta Laganà
- Medical Oncology Unit, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, 25123, Italy
| | - Deborah Cosentini
- Medical Oncology Unit, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, 25123, Italy
| | - Salvatore Grisanti
- Medical Oncology Unit, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, 25123, Italy
| | - Chiara Fiorentini
- Section of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, 25123, Italy
| | - Guido A M Tiberio
- Surgical Clinic, Department of Clinical and Experimental Sciences, University of Brescia at ASST Spedali Civili di Brescia, Brescia, 25123, Italy
| | - Maria Scatolini
- Molecular Oncology Laboratory, "Edo ed Elvo Tempia" Foundation, Ponderano, 13875, Biella, Italy
| | - Enrico Grosso
- Molecular Oncology Laboratory, "Edo ed Elvo Tempia" Foundation, Ponderano, 13875, Biella, Italy
| | - Constanze Hantel
- Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zurich (USZ) and University of Zurich (UZH), Zurich, Switzerland
- Medizinische Klinik und Poliklinik III, University Hospital Carl Gustav Carus Dresden, Dresden, Germany
| | - Maurizio Memo
- Section of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, 25123, Italy
| | - Alfredo Berruti
- Medical Oncology Unit, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, 25123, Italy
| | - Sandra Sigala
- Section of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, 25123, Italy
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13
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Altieri B, Lalli E, Faggiano A. Mitotane treatment in adrenocortical carcinoma: mechanisms of action and predictive markers of response to therapy. Minerva Endocrinol (Torino) 2021; 47:203-214. [PMID: 34881855 DOI: 10.23736/s2724-6507.21.03601-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Adrenocortical carcinoma (ACC) is a rare malignancy with a high risk of recurrence even in cases with complete surgical tumor resection. Mitotane represents the cornerstone of the adjuvant therapy as well as the first line of medical treatment in advanced cases. However, evidence on mitotane efficacy is mostly based on retrospective studies and the use of mitotane continues to represent a clinical challenge. EVIDENCE ACQUISITION Mitotane causes selective damage to adrenocortical cells, causing an increase of cell apoptosis through a disruption of mitochondria and the induction of the endoplasmic reticulum stress. Different clinical and molecular markers predicting response to mitotane have been proposed with uncertain results. Attainment of mitotane plasma levels within the target range of 14 to 20 mg/L represent the strongest predictor of mitotane effectiveness both in adjuvant and advanced tumor setting. The occurrence of late recurrence after primary ACC diagnosis and changes in metabolic activity on FDG-PET are only weakly associated with mitotane response. Among the proposed molecular markers associated with mitotane efficacy, the investigation of the CYP2W1*6 and CYP2B6*6 single nucleotide polymorphisms appears to be currently the most promising predictive molecular markers of mitotane therapy. However, none of the evaluated markers has been validated for clinical use. CONCLUSIONS In the era of precision medicine, a better insight into mitotane molecular mechanisms as well as the potential use in the daily clinical practice of clinical parameters and molecular markers predicting the individual response to mitotane are urgently needed.
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Affiliation(s)
- Barbara Altieri
- Division of Endocrinology and Diabetes, Department of Internal Medicine I, University Hospital, University of Würzburg, Würzburg, Germany -
| | - Enzo Lalli
- Institut de Pharmacologie Moléculaire et Cellulaire CNRS UMR 7275, Valbonne, France.,Université Côte d'Azur, Valbonne, France.,INSERM, Valbonne, France
| | - Antongiulio Faggiano
- Endocrinology Unit, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
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14
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The Challenging Pharmacokinetics of Mitotane: An Old Drug in Need of New Packaging. Eur J Drug Metab Pharmacokinet 2021; 46:575-593. [PMID: 34287806 PMCID: PMC8397669 DOI: 10.1007/s13318-021-00700-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2021] [Indexed: 01/10/2023]
Abstract
Adrenocortical carcinoma (ACC) is a malignant tumor originating from the adrenal gland cortex with a heterogeneous but overall dismal prognosis in advanced stages. For more than 50 years, mitotane has remained a cornerstone for the treatment of ACC as adjuvant and palliative therapy. It has a very poor aqueous solubility of 0.1 mg/l and high partition coefficient in octanol/water (log P) value of 6. The commercially available dosage form is 500 mg tablets (Lysodren®). Even at doses up to 6 g/day (12 tablets in divided doses) for several months, > 50% patients do not achieve therapeutic plasma concentration > 14 mg/l due to poor water solubility, large volume of distribution and inter/intra-individual variability in bioavailability. This article aims to give a concise update of the clinical challenges associated with the administration of high-dose mitotane oral therapy which encompass the issues of poor bioavailability, difficult-to-predict pharmacokinetics and associated adverse events. Moreover, we present recent efforts to improve mitotane formulations. Their success has been limited, and we therefore propose an injectable mitotane formulation instead of oral administration, which could bypass many of the main issues associated with high-dose oral mitotane therapy. A parenteral administration of mitotane could not only help to alleviate the adverse effects but also circumvent the variable oral absorption, give better control over therapeutic plasma mitotane concentration and potentially shorten the time to achieve therapeutic drug plasma concentrations considerably. Mitotane as tablet form is currently the standard treatment for adrenocortical carcinoma. It has been used for 5 decades but suffers from highly variable responses in patients, subsequent adverse effects and overall lower response rate. This can be fundamentally linked to the exceedingly poor water solubility of mitotane itself. In terms of enhancing water solubility, a few research groups have attempted to develop better formulations of mitotane to overcome the issues associated with tablet dosage form. However, the success rate was limited, and these formulations did not make it into the clinics. In this article, we have comprehensively reviewed the properties of these formulations and discuss the reasons for their limited utility. Furthermore, we discuss a recently developed mitotane nanoformulation that led us to propose a novel approach to mitotane therapy, where intravenous delivery supplements the standard oral administration. With this article, we combine the current state of knowledge as a single piece of information about the various problems associated with the use of mitotane tablets, and herein we postulate the development of a new injectable mitotane formulation, which can potentially circumvent the major problems associated to mitotane's poor water solubility.
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15
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Goyzueta Mamani LD, de Carvalho JC, Bonatto SJR, Tanobe VAO, Soccol CR. In vitro cytotoxic effect of a chitin-like polysaccharide produced by Mortierella alpina on adrenocortical carcinoma cells H295R, and its use as mitotane adjuvant. In Vitro Cell Dev Biol Anim 2021; 57:395-403. [PMID: 33904018 DOI: 10.1007/s11626-021-00560-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 03/11/2021] [Indexed: 11/29/2022]
Abstract
This study presents an in vitro evaluation of the antitumor potential of a chitin-like exopolysaccharide (EPS, produced by Mortierella alpina) on Adrenocortical carcinoma cells (ACC) compared to mitotane, a commercial drug commonly used in ACC treatment, and known for its side effects. Techniques of cellular viability determination such as MTT and fluorescence were used to measure the cytotoxic effects of the EPS and mitotane in tumoral cells (H295R) and non-tumoral cells (VERO), observing high cytotoxicity of mitotane and a 10% superior pro-apoptotic effect of the EPS compared to mitotane (p < 0.05). The cytotoxic effect of the EPS was similar to the effect of 50 μM mitotane on tumoral cells (p < 0.05). A decrement of the lysosomal volume was also noted in tumoral cells treated with the EPS. To enhance the antitumor effect, a combination of mitotane at a lower dosage and the EPS (as adjuvant) was also tested, showing a slight improvement of the cytotoxicity effect on tumoral cells. Therefore, the results indicate a cytotoxic effect of the EPS produced by Mortierella alpina on adrenocortical carcinoma, and a possible application in biomedical formulations or additional treatments.
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Affiliation(s)
- Luis Daniel Goyzueta Mamani
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, P.O. box 19011, Curitiba, Paraná, 81531-990, Brazil
| | - Júlio Cesar de Carvalho
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, P.O. box 19011, Curitiba, Paraná, 81531-990, Brazil.
| | | | - Valcineide A O Tanobe
- Department of Chemistry, Centro Universitario de Ciencias Exactas e Ingenierías-CUCEI. C.P.44430, Guadalajara University, Guadalajara, Jalisco, Mexico
| | - Carlos Ricardo Soccol
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, P.O. box 19011, Curitiba, Paraná, 81531-990, Brazil
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16
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Corso CR, Acco A, Bach C, Bonatto SJR, de Figueiredo BC, de Souza LM. Pharmacological profile and effects of mitotane in adrenocortical carcinoma. Br J Clin Pharmacol 2021; 87:2698-2710. [PMID: 33382119 DOI: 10.1111/bcp.14721] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 12/14/2020] [Accepted: 12/17/2020] [Indexed: 12/20/2022] Open
Abstract
Mitotane is the only adrenolytic drug approved by the Food and Drug Administration for treating adrenocortical carcinoma (ACC). This drug has cytotoxic effects on tumour tissues; it induces cell death and antisecretory effects on adrenal cells by inhibiting the synthesis of adrenocortical steroids, which are involved in the pathogenesis of ACC. However, high doses of mitotane are usually necessary to reach the therapeutic plasma concentration, which may result in several adverse effects. This suggests that important pharmacological processes, such as first pass metabolism, tissue accumulation and extensive time for drug elimination, are associated with mitotane administration. Few studies have reported the pharmacological aspects and therapeutic effects of mitotane. Therefore, the aim of this review was to summarize the chemistry, pharmacokinetics and pharmacodynamics, and therapeutic and toxic effects of mitotane. This review also discusses new perspectives of mitotane formulation that are currently under investigation. Understanding the pharmacological profile of mitotane can improve the monitoring and efficacy of this drug in ACC treatment and can provide useful information for the development of new drugs with specific action against ACC with fewer adverse effects.
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Affiliation(s)
- Claudia Rita Corso
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba, Brazil.,Faculdades Pequeno Príncipe, Curitiba, Brazil
| | - Alexandra Acco
- Pharmacology Department, Federal University of Paraná, Curitiba, Brazil
| | - Camila Bach
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba, Brazil.,Faculdades Pequeno Príncipe, Curitiba, Brazil
| | - Sandro José Ribeiro Bonatto
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba, Brazil.,Faculdades Pequeno Príncipe, Curitiba, Brazil
| | | | - Lauro Mera de Souza
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba, Brazil.,Faculdades Pequeno Príncipe, Curitiba, Brazil
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Paragliola RM, Corsello A, Locantore P, Papi G, Pontecorvi A, Corsello SM. Medical Approaches in Adrenocortical Carcinoma. Biomedicines 2020; 8:biomedicines8120551. [PMID: 33260476 PMCID: PMC7760807 DOI: 10.3390/biomedicines8120551] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 11/15/2020] [Accepted: 11/27/2020] [Indexed: 12/15/2022] Open
Abstract
Adrenocortical carcinoma (ACC) represents one of the most aggressive endocrine tumors. In spite of a correct therapeutic strategy based on a multidisciplinary approach between endocrinologist, surgeon and oncologist, the prognosis is often poor. Surgery is the mainstay treatment in ACC. Mitotane, a dichloro-diphenyl-trichloro-ethane derivate, represents the main medical treatment of ACC in consideration of its adrenocytolitic activity and it is mainly employed as adjuvant treatment after complete surgical resection and for the treatment of advanced ACC. However, the use of mitotane as adjuvant therapy is still controversial, also in consideration of the retrospective nature of several studies. The recurrence of disease is frequent, especially in advanced disease at the diagnosis. Therefore, in these contexts, conventional chemotherapy must be considered in association with mitotane, being the combination etoposide, doxorubicin and cisplatin (EDP) the standard of care in this setting. A more modern therapeutic approach, based on the need of a salvage therapy for advanced ACC that progresses through first-line EDP, is focused on molecular-targeted therapies. However, robust clinical trials are necessary to assess the real efficacy of these treatments.
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18
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Puglisi S, Calabrese A, Basile V, Pia A, Reimondo G, Perotti P, Terzolo M. New perspectives for mitotane treatment of adrenocortical carcinoma. Best Pract Res Clin Endocrinol Metab 2020; 34:101415. [PMID: 32179008 DOI: 10.1016/j.beem.2020.101415] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Adrenocortical carcinoma (ACC) is an aggressive cancer characterized by poor survival. Apart from radical surgery, there is a limited range of therapeutic options and mitotane remains the cornerstone of medical treatment of ACC in either adjuvant or palliative settings. The aim of adjuvant mitotane therapy is to reduce the risk of ACC recurrence following surgical removal of the tumor. Use of mitotane in an adjuvant setting is off-label, but the recent guidelines endorsed by the European Society of Endocrinology (ESE) and the European Network for the Study of Adrenal Tumors (ENSAT) recommend it in ACC patients at high risk of recurrence. The palliative use of mitotane for treatment of advanced ACC aims at controlling tumor progression and, when present, hormone secretion. In this clinical setting, mitotane is used in association with chemotherapy to treat the more aggressive forms, while mitotane monotherapy is reserved for less progressive ACC. Many years after its introduction in clinical practice, there are still uncertainties surrounding the use of this old drug and the derived benefits. Moreover, physicians who use mitotane should recognize and manage the systemic effects of the drug that need a complex supporting therapy.
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Affiliation(s)
- S Puglisi
- Internal Medicine, Department of Clinical and Biological Sciences, S. Luigi Gonzaga Hospital, University of Turin, Orbassano, Italy
| | - A Calabrese
- Internal Medicine, Department of Clinical and Biological Sciences, S. Luigi Gonzaga Hospital, University of Turin, Orbassano, Italy
| | - V Basile
- Internal Medicine, Department of Clinical and Biological Sciences, S. Luigi Gonzaga Hospital, University of Turin, Orbassano, Italy
| | - A Pia
- Internal Medicine, Department of Clinical and Biological Sciences, S. Luigi Gonzaga Hospital, University of Turin, Orbassano, Italy
| | - G Reimondo
- Internal Medicine, Department of Clinical and Biological Sciences, S. Luigi Gonzaga Hospital, University of Turin, Orbassano, Italy
| | - P Perotti
- Internal Medicine, Department of Clinical and Biological Sciences, S. Luigi Gonzaga Hospital, University of Turin, Orbassano, Italy
| | - M Terzolo
- Internal Medicine, Department of Clinical and Biological Sciences, S. Luigi Gonzaga Hospital, University of Turin, Orbassano, Italy.
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19
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Rubin B, Pilon C, Pezzani R, Rebellato A, Fallo F. The effects of mitotane and 1α,25-dihydroxyvitamin D 3 on Wnt/beta-catenin signaling in human adrenocortical carcinoma cells. J Endocrinol Invest 2020; 43:357-367. [PMID: 31587178 DOI: 10.1007/s40618-019-01127-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 09/30/2019] [Indexed: 12/11/2022]
Abstract
PURPOSE Mitotane is the only chemotherapeutic agent available for the treatment of adrenocortical carcinoma (ACC), however, the anti-neoplastic efficacy is limited due to several side-effects in vivo. There is, therefore, a need of exploring for new anti-tumoral agents which can be used either alone or in combination with mitotane. The active vitamin D metabolite 1α,25-dihydroxyvitamin D3 (1α,25(OH)2D3) acts as an anti-proliferative agent in human cancer by inhibiting the Wnt/beta-catenin pathway through the vitamin D receptor (VDR). The aim of this study was to study the effects of mitotane and 1α,25(OH)2D3, individually or in combination, in an in vitro model with H295R ACC cells, and to elucidate the molecular events behind their effects involving the Wnt/beta-catenin signaling. METHODS AND RESULTS Multiple concentrations of mitotane and 1α,25(OH)2D3, individually or in combination, were tested on H295R cells for 24-96 h, and the effects analysed by MTT. A reduction in cell growth was observed in a dose/time-dependent manner for both mitotane and 1α,25(OH)2D3. In addition, a combination of clinically sub-therapeutic concentrations of mitotane with 1α,25(OH)2D3, had an additive anti-proliferative effect (Combination Index = 1.02). In a wound healing assay, individual treatments of both mitotane and 1α,25(OH)2D3 reduced the migration ability of H295R cells, with the effect further enhanced on combining both the agents. Western blotting and qRT-PCR analysis showed a modulation of the Wnt/beta-catenin and VDR signaling pathways. CONCLUSION Our results show an additive effect of mitotane and 1α,25(OH)2D3 on the inhibition of H295R ACC cell growth and viability, and suggest that molecular mechanisms of their effects involve a functional link between VDR and Wnt/beta-catenin pathways.
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Affiliation(s)
- B Rubin
- Endocrine-Metabolic Laboratory, Clinica Medica 3, Department of Medicine (DIMED), University of Padova, Via Giustiniani 2, 35128, Padua, Italy
| | - C Pilon
- Endocrine-Metabolic Laboratory, Clinica Medica 3, Department of Medicine (DIMED), University of Padova, Via Giustiniani 2, 35128, Padua, Italy
| | - R Pezzani
- Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padua, Italy
| | - A Rebellato
- Endocrine-Metabolic Laboratory, Clinica Medica 3, Department of Medicine (DIMED), University of Padova, Via Giustiniani 2, 35128, Padua, Italy
| | - F Fallo
- Endocrine-Metabolic Laboratory, Clinica Medica 3, Department of Medicine (DIMED), University of Padova, Via Giustiniani 2, 35128, Padua, Italy.
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20
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Cerquetti L, Bucci B, Carpinelli G, Lardo P, Proietti A, Saporito R, Rindi G, Petrangeli E, Toscano V, Stigliano A. Antineoplastic Effect of a Combined Mitotane Treatment/Ionizing Radiation in Adrenocortical Carcinoma: A Preclinical Study. Cancers (Basel) 2019; 11:cancers11111768. [PMID: 31717612 PMCID: PMC6895792 DOI: 10.3390/cancers11111768] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 10/24/2019] [Accepted: 11/07/2019] [Indexed: 11/17/2022] Open
Abstract
Mitotane (MTT) is an adrenolytic drug used in adjuvant and advanced treatments of adrenocortical carcinoma (ACC). Ionizing radiation (IR) is also used in adrenal cancer treatment, even though its biological action remains unknown. To provide a reliable in vivo preclinical model of ACC, we used mouse xenografts bearing human ACC to test the effects of MTT and IR alone and in combination. We evaluated tumor growth inhibition by the RECIST criteria and analyzed the cell cycle by flow cytometry (FCM). In the xenograft ACC model treated with MTT/IR in combination, we observed a marked inhibition of tumor growth, with strong tumor regression (p < 0.0001) compared to MTT and IR given alone (p < 0.05). The MTT results confirm its antisteroidogenic activity (p < 0.05) in the xenograft ACC model, revealing its ability to render cancer cells more prone to radiotherapy treatment. In addition, to explain the biological effect of these treatments on the Mismatch Repair System (MMR), we interfered with the MSH2 gene expression in untreated and MTT/IR-treated H295R and SW13 cell lines. Moreover, we observed that upon treatment with MTT/IR to induce DNA damage, MSH2 gene inhibition in both the H295R and SW13 cell lines did not allow DNA damage repair, thus inducing cell death. In conclusion, MTT seems to have a radiosensitizing property and, when given in combination with IR, is able to promote neoplastic growth inhibition, leading to a significant reduction in tumor size due to cell death.
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Affiliation(s)
- Lidia Cerquetti
- Endocrinology, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy; (L.C.); (P.L.); (V.T.)
| | - Barbara Bucci
- UOC Pathological Clinic San Pietro Hospital Fatebenefratelli, 00189 Rome, Italy; (B.B.); (R.S.)
| | - Giulia Carpinelli
- Department of Cellular Biology and Neuroscience, Istituto Superiore di Sanità, 00161 Rome, Italy;
| | - Pina Lardo
- Endocrinology, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy; (L.C.); (P.L.); (V.T.)
| | - Antonella Proietti
- Diagnostic of Laboratory Unit, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy;
| | - Raffaele Saporito
- UOC Pathological Clinic San Pietro Hospital Fatebenefratelli, 00189 Rome, Italy; (B.B.); (R.S.)
| | - Guido Rindi
- Pathology Unit, University Catholic, 00168 Rome, Italy;
| | - Elisa Petrangeli
- CNR, Institute of Molecular Biology and Pathology, 00185 Rome, Italy;
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy
| | - Vincenzo Toscano
- Endocrinology, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy; (L.C.); (P.L.); (V.T.)
| | - Antonio Stigliano
- Endocrinology, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy; (L.C.); (P.L.); (V.T.)
- Correspondence: ; Tel.: +39-6-3377-4784; Fax: +39-6-3377-6327
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21
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Bikas A, Jensen K, Patel A, Costello J, Kaltsas G, Hoperia V, Wartofsky L, Burman K, Vasko V. Mitotane induces mitochondrial membrane depolarization and apoptosis in thyroid cancer cells. Int J Oncol 2019; 55:7-20. [PMID: 31115496 PMCID: PMC6561621 DOI: 10.3892/ijo.2019.4802] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 03/12/2019] [Indexed: 12/17/2022] Open
Abstract
Mitotane is used for the treatment of adrenocortical cancer and elicits its anticancer effects via inhibition of mitochondrial respiration. Targeting mitochondria‑dependent metabolism has emerged as a promising strategy for thyroid cancer (TC) treatment. We hypothesized that mitotane targets mitochondria and induces apoptosis in TC cells. Cell lines representative of the major histological variants of TC were chosen: Follicular (FTC‑133), poorly differentiated (BCPAP), anaplastic (SW1736 and C643) and medullary (TT) TC cells, and were treated with mitotane (0‑100 µM). Mitochondrial membrane potential, cell viability and apoptosis were examined by JC‑1 staining and by western blot analysis using an antibody against caspase‑3. The expression of mitochondrial molecules and DNA damage markers and the activation of endoplasmic reticulum (ER) stress were determined by western blotting. The expression of mitochondrial ATP synthase subunit β (ATP5B) was examined by immunostaining in 100 human TC tissue samples. Treatment with mitotane (50 µM for 24 h) decreased the viability of FTC‑133, BCPAP, SW1736, C643 and TT cells by 12, 59, 54, 31 and 66%, respectively. Morphological evidence of ER stress and overexpression of ER markers was observed in TC cells following exposure to mitotane. The treatment led to increased expression of histone γH2AX, indicating DNA damage, and to caspase‑3 cleavage. Consistent with the results of the cell viability assays, the overexpression of pro‑apoptotic genes following treatment with mitotane was more prominent in TC cells harboring mutations in the serine/threonine‑protein kinase B‑raf gene and proto‑oncogene tyrosine‑protein kinase receptor Ret. Treatment with mitotane was associated with loss of mitochondrial membrane potential and decreased expression of ATP5B, particularly in the medullary TC (MTC)‑derived TT cells. Immunohistochemical analysis of mitochondrial ATP5B in human TC specimens demonstrated its overexpression in cancer compared with normal thyroid tissue. The level of ATP5B expression was higher in MTC compared with the follicular, papillary or anaplastic types of TC. Mitotane elicited pleiotropic effects on TC cells, including induction of ER stress, inhibition of mitochondrial membrane potential and induction of apoptosis. The results of the present study suggest that mitotane could be considered as a novel agent for the treatment of aggressive types of TC.
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Affiliation(s)
- Athanasios Bikas
- Department of Pathophysiology, Laiko Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Kirk Jensen
- Department of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Aneeta Patel
- Department of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - John Costello
- Department of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Gregory Kaltsas
- Department of Pathophysiology, Laiko Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Victoria Hoperia
- Department of Fundamental Medicine, National University of Kyiv, 01033 Kyiv, Ukraine
| | - Leonard Wartofsky
- Division of Endocrinology, Department of Internal Medicine, MedStar Washington Hospital Center, Washington, DC 20010, USA
| | - Kenneth Burman
- Division of Endocrinology, Department of Internal Medicine, MedStar Washington Hospital Center, Washington, DC 20010, USA
| | - Vasyl Vasko
- Department of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
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Paragliola RM, Torino F, Papi G, Locantore P, Pontecorvi A, Corsello SM. Role of Mitotane in Adrenocortical Carcinoma - Review and State of the art. EUROPEAN ENDOCRINOLOGY 2018; 14:62-66. [PMID: 30349596 PMCID: PMC6182924 DOI: 10.17925/ee.2018.14.2.62] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 06/29/2018] [Indexed: 12/29/2022]
Abstract
Adrenocortical carcinoma (ACC) is a rare and aggressive endocrine tumour deriving from the adrenal cortex. A correct therapeutic strategy requires a multidisciplinary approach between endocrinologist, surgeon and oncologist. Surgery is the mainstay treatment in ACC while mitotane, deriving from the insecticide dichloro-diphenyl-trichloro-ethane, is the main base of the medical treatment of ACC in consideration of its adrenocytolitic activity. However, the use of mitotane as adjuvant therapy is still controversial, also in consideration of the retrospective nature of several studies. A prospective randomised trial (ADIUVO), recruiting patients with low-intermediate risk of recurrence, is evaluating the utility of adjuvant treatment with mitotane in this setting. The therapeutic response is observed with plasma levels of mitotane >14 mg/L. However, the major difficulty in the management of mitotane treatment is related to side effects and to the risk of toxicity, which is related to plasmatic levels >20 mg/L, that is considered the upper limit of the therapeutic window. Mitotane therapy results in adrenal insufficiency, and glucocorticoid replacement therapy has to be administered at higher doses than those used in other aetiologies of primary adrenal insufficiency. Furthermore, other endocrine side effects related to mitotane should be considered, in particular on thyroid hormone and testosterone metabolism. Waiting for new medical strategies on molecular targets, it will be mandatory to optimise the current knowledge by prospective trials and, in consideration of the rarity of the disease, collaborative studies between endocrinologists and oncologists are necessary.
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Affiliation(s)
- Rosa Maria Paragliola
- Unit of Endocrinology, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy
| | - Francesco Torino
- Department of Systems Medicine, Medical Oncology, University of Rome Teor Vergata, Rome, Italy
| | - Giampaolo Papi
- Unit of Endocrinology, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Pietro Locantore
- Unit of Endocrinology, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy
| | - Alfredo Pontecorvi
- Unit of Endocrinology, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy
| | - Salvatore Maria Corsello
- Unit of Endocrinology, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy
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23
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Pereira SS, Monteiro MP, Costa MM, Ferreira J, Alves MG, Oliveira PF, Jarak I, Pignatelli D. MAPK/ERK pathway inhibition is a promising treatment target for adrenocortical tumors. J Cell Biochem 2018; 120:894-906. [DOI: 10.1002/jcb.27451] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 07/25/2018] [Indexed: 01/01/2023]
Affiliation(s)
- Sofia S Pereira
- Cancer Signalling & Metabolism Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto Portugal
- Cancer Signalling & Metabolism Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP) Portugal
- Clinical and Experimental Endocrinology, Department of Anatomy Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS, University of Porto Porto Portugal
| | - Mariana P Monteiro
- Clinical and Experimental Endocrinology, Department of Anatomy Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS, University of Porto Porto Portugal
| | - Madalena M Costa
- Clinical and Experimental Endocrinology, Department of Anatomy Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS, University of Porto Porto Portugal
| | - Jorge Ferreira
- Cancer Signalling & Metabolism Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto Portugal
| | - Marco G Alves
- Biology and Genetics of Reproduction, Department of Microscopy, Laboratory of Cell Biology Multidisciplinary Unit for Biomedical Research (UMIB), ICBAS, University of Porto Porto Portugal
- Health Sciences Research Center University of Beira Interior Covilhã Portugal
| | - Pedro F Oliveira
- Cancer Signalling & Metabolism Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto Portugal
| | - Ivana Jarak
- Health Sciences Research Center University of Beira Interior Covilhã Portugal
| | - Duarte Pignatelli
- Cancer Signalling & Metabolism Instituto de Investigação e Inovação em Saúde (I3S), Universidade do Porto Portugal
- Cancer Signalling & Metabolism Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP) Portugal
- Department of Endocrinology Hospital S João Porto Portugal
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24
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CYP11B1 has no role in mitotane action and metabolism in adrenocortical carcinoma cells. PLoS One 2018; 13:e0196931. [PMID: 29734384 PMCID: PMC5937768 DOI: 10.1371/journal.pone.0196931] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 04/23/2018] [Indexed: 01/08/2023] Open
Abstract
Mitotane is the reference drug for adrenocortical carcinoma (ACC) and the metabolic activation of the drug is considered as essential for its activity. The aim of this study was to assess the role of CYP11B1 on mitotane action and metabolism in H295R ACC cells to understand whether this enzyme may influence mitotane action. The simultaneous incubation with mitotane and metyrapone, an adrenolytic molecule targeting 11-beta-hydroxylase, did not influence mitotane-mediated cytotoxic effect and metabolism in H295R ACC cells. CYP11B1 silencing confirmed the lack of a significant metyrapone effect on mitotane action. The present findings do not support the view that CYP11B1 catalyzes a crucial step in the metabolic activation of mitotane and that CYP11B1 confers the adrenal specificity to mitotane.
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25
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Reimondo G, Puglisi S, Zaggia B, Basile V, Saba L, Perotti P, De Francia S, Volante M, Zatelli MC, Cannavò S, Terzolo M. Effects of mitotane on the hypothalamic-pituitary-adrenal axis in patients with adrenocortical carcinoma. Eur J Endocrinol 2017; 177:361-367. [PMID: 28780517 DOI: 10.1530/eje-17-0452] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 07/24/2017] [Accepted: 07/31/2017] [Indexed: 01/31/2023]
Abstract
OBJECTIVE Mitotane, a drug used to treat adrenocortical cancer (ACC), inhibits multiple enzymatic steps of adrenocortical steroid biosynthesis, potentially causing adrenal insufficiency. Recent studies in vitro have also documented a direct inhibitory effect of mitotane at the pituitary level. The present study was aimed to assess the hypothalamic-pituitary-adrenal axis in patients with ACC receiving mitotane. DESIGN AND METHODS We prospectively enrolled 16 patients on adjuvant treatment with mitotane after radical surgical resection of ACC, who underwent standard hormone evaluation and h-CRH stimulation. A group of 10 patients with primary adrenal insufficiency (PAI) served as controls for the CRH test. RESULTS We demonstrated a close correlation between cortisol-binding globulin (CBG) and plasma mitotane levels, and a non-significant trend between mitotane dose and either serum or salivary cortisol in ACC patients. We did not find any correlation between the dose of cortisone acetate and either ACTH or cortisol levels. ACTH levels were significantly higher in patients with PAI than that in patients with ACC, both in baseline conditions (88.99 (11.04-275.00) vs 24.53 (6.16-121.88) pmol/L, P = 0.031) and following CRH (158.40 (34.32-275.00) vs 67.43 (8.8-179.52) pmol/L P = 0.016). CONCLUSIONS The observation of lower ACTH levels in patients with ACC than that in patients with PAI, both in basal conditions and after CRH stimulation, suggests that mitotane may play an inhibitory effect on ACTH secretion at the pituitary levels. In conclusion, the present study shows that mitotane affects the HPA axis at multiple levels and no single biomarker may be used for the assessment of adrenal insufficiency.
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Affiliation(s)
- Giuseppe Reimondo
- Internal Medicine 1Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
| | - Soraya Puglisi
- Endocrine UnitDepartment of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Barbara Zaggia
- Internal Medicine 1Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
| | - Vittoria Basile
- Internal Medicine 1Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
| | - Laura Saba
- Internal Medicine 1Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
| | - Paola Perotti
- Internal Medicine 1Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
| | | | - Marco Volante
- PathologyDepartment of Oncology, University of Turin, Orbassano, Italy
| | - Maria Chiara Zatelli
- Section of Endocrinology and Internal MedicineDepartment of Medical Science, University of Ferrara, Ferrara, Italy
| | - Salvatore Cannavò
- Endocrine UnitDepartment of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Massimo Terzolo
- Internal Medicine 1Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy
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26
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Innocenti F, Cerquetti L, Pezzilli S, Bucci B, Toscano V, Canipari R, Stigliano A. Effect of mitotane on mouse ovarian follicle development and fertility. J Endocrinol 2017; 234:29-39. [PMID: 28450646 DOI: 10.1530/joe-17-0203] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 04/27/2017] [Indexed: 11/08/2022]
Abstract
Mitotane (MTT) is an adrenolytic drug used in advanced and adjuvant treatment of adrenocortical carcinoma, in Cushing's disease and in ectopic syndrome. However, knowledge about its effects on the ovary is still scarce. The purpose of this study is to investigate the effect of MTT on the ovary using in vivo and in vitro models. The study was performed in CD1 mice and in the COV-434 human ovarian granulosa cell line. We examined ovarian morphology, follicle development, steroidogenesis and procreative function in mice and the effect of MTT on cell growth in vitro Our results revealed that treatment of CD1 mice with MTT induces a decrease in early antral follicles with a subsequent increase in the secondary follicles, measured by the increased levels of anti-Mullerian Hormone (P < 0.05) and decreased levels of FSH receptor (P < 0.05). Moreover, we observed a significant decrease in Cyp11a1 (P < 0.01) and Cyp17a1 (P < 0.001) mRNA level in MTT-treated animals. Ovulation, induced by PMSG/hCG stimulation, was also significantly impaired, with a reduction in the number of ovulated oocytes (P < 0.01) and fewer corpora lutea in treated animals. Likewise, the mating experiment demonstrated a delay in the time of conception as well as fewer pups per litter in MTT-treated mice (P < 0.05). Experiments performed on the COV-434 cell line showed a significant inhibition of growth followed by apoptosis (P < 0.01). In conclusion, our study highlights the key points of ovarian folliculogenesis affected by MTT and demonstrates impairment of the ovulation process with a negative impact on conception, which is nevertheless preserved.
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Affiliation(s)
- Federica Innocenti
- DAHFMOUnit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Lidia Cerquetti
- EndocrinologyDepartment of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - Serena Pezzilli
- EndocrinologyDepartment of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | | | - Vincenzo Toscano
- EndocrinologyDepartment of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - Rita Canipari
- DAHFMOUnit of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Antonio Stigliano
- EndocrinologyDepartment of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
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27
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Murtha TD, Brown TC, Rubinstein JC, Haglund F, Juhlin CC, Larsson C, Korah R, Carling T. Overexpression of cytochrome P450 2A6 in adrenocortical carcinoma. Surgery 2017; 161:1667-1674. [PMID: 28073588 PMCID: PMC7301492 DOI: 10.1016/j.surg.2016.11.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 09/08/2016] [Accepted: 11/22/2016] [Indexed: 01/29/2023]
Abstract
BACKGROUND Cytochrome P450-mediated metabolism of chemotherapeutic agents contributes to chemotherapy resistance in multiple malignancies. Adrenocortical carcinoma is known to have a poor response to adjuvant therapies; however, the mechanism remains unknown. Recent comprehensive genetic analyses of adrenocortical carcinomas demonstrated recurrent copy number gains in multiple cytochrome P450 genes prompting investigation into whether cytochrome P450 overexpression potentiates adrenocortical carcinoma chemoresistance. METHODS We determined the expression patterns of 6 cytochrome P450 genes (CYP2A6, CYP2A7, CYP2A13, CYP2B6, CYP2S1, and CYP4F2) predicted to be amplified in adrenocortical carcinoma (n = 29) relative to normal adrenal cortex (n = 10). Gene copy numbers were determined with the TaqMan copy number assay. Gene silencing was performed via small interfering RNA (siRNA) in the adrenocortical carcinoma cell line NCI-H295R and treated with mitotane and cisplatin. RESULTS Of the 6 cytochrome P450 genes tested, CYP2A6 was overexpressed with a 55-fold mean increase compared to normal adrenal samples (P < .05). Immunohistochemical analysis confirmed protein overexpression. Copy gains of CYP2A6 were found in 26% (7/27) of adrenocortical carcinoma specimens. Silencing of CYP2A6 in NCI-H295R cells resulted in decreased cell viability and increased chemosensitivity (P < .05). CONCLUSION Frequent upregulation in adrenocortical carcinomas and the reversal of chemoresistance in adrenocortical carcinoma cells via enforced silencing suggest a role for CYP2A6 in adrenocortical malignancy.
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Affiliation(s)
- Timothy D Murtha
- Yale Department of Surgery & Yale Endocrine Neoplasia Laboratory, Yale School of Medicine, New Haven, CT
| | - Taylor C Brown
- Yale Department of Surgery & Yale Endocrine Neoplasia Laboratory, Yale School of Medicine, New Haven, CT
| | - Jill C Rubinstein
- Yale Department of Surgery & Yale Endocrine Neoplasia Laboratory, Yale School of Medicine, New Haven, CT
| | - Felix Haglund
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - C Christofer Juhlin
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Catharina Larsson
- Department of Oncology-Pathology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Reju Korah
- Yale Department of Surgery & Yale Endocrine Neoplasia Laboratory, Yale School of Medicine, New Haven, CT
| | - Tobias Carling
- Yale Department of Surgery & Yale Endocrine Neoplasia Laboratory, Yale School of Medicine, New Haven, CT.
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Stigliano A, Cerquetti L, Lardo P, Petrangeli E, Toscano V. New insights and future perspectives in the therapeutic strategy of adrenocortical carcinoma (Review). Oncol Rep 2017; 37:1301-1311. [PMID: 28184938 DOI: 10.3892/or.2017.5427] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 12/20/2016] [Indexed: 11/06/2022] Open
Abstract
Adrenocortical carcinoma (ACC) is a rare endocrine malignancy with an incidence ranging from 0.7 to 2.0 cases/million people per year. Hypercortisolism represents the most common clinical presentation in many patients although, less frequently, some ACC secreting androgens and estrogens are even more pathognomonic compared to cortisol secretion. Currently, radical surgery, when feasible, is still the only curative therapy. Mitotane, an adrenolytic drug, is used in the adjuvant setting and in combination with chemotherapy drugs in metastatic disease. The use of radiotherapy remains controversial, being indicated only in selected cases. New targeted therapies, such as insulin growth factor-1 (IGF-1), mammalian-target of rapamycin (m-TOR), vascular endothelial growth factor (VEGF) inhibitors and others, have recently been investigated with disappointing clinical results. The partial effectiveness of current treatments mandates the need for new therapeutic strategies against this tumor.
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Affiliation(s)
- Antonio Stigliano
- Endocrinology, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Faculty of Medicine and Psychology, Sapienza University of Rome, 00189 Rome, Italy
| | - Lidia Cerquetti
- Endocrinology, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Faculty of Medicine and Psychology, Sapienza University of Rome, 00189 Rome, Italy
| | - Pina Lardo
- Endocrinology, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Faculty of Medicine and Psychology, Sapienza University of Rome, 00189 Rome, Italy
| | - Elisa Petrangeli
- CNR, Institute of Molecular Biology and Pathology, Sapienza University of Rome, 00161 Rome, Italy
| | - Vincenzo Toscano
- Endocrinology, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Faculty of Medicine and Psychology, Sapienza University of Rome, 00189 Rome, Italy
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Ma L, Yin L, Hu Q. Therapeutic compounds for Cushing's syndrome: a patent review (2012-2016). Expert Opin Ther Pat 2016; 26:1307-1323. [PMID: 27454103 DOI: 10.1080/13543776.2016.1217331] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
INTRODUCTION Endogenous Cushing's syndrome (CS) is a set of disorders caused by chronic exposure to excess glucocorticoids induced by neuroendocrine tumors in pituitary, adrenals, and infrequently other sites (ectopic ACTH syndrome). Due to various comorbidities, CS patients exhibit higher risks of cardiovascular diseases and thus increased mortality. Pharmaceutical therapy is an important constituent of treatment regimen. Areas covered: Patents published since 2012 are reviewed, which claim therapeutic compounds interfering with ACTH secretion and down-stream signal transduction, inhibiting cortisol biosynthesis and antagonizing glucocorticoid receptors. Advances focus on a) new analogues with improved efficacy and PK properties or less off-target toxicity; b) existing drugs (candidates) being repurposed to treat CS; and c) novel strategies such as selective inhibition of CYP11B1. Expert opinion: New compounds against established targets need to be developed because current drugs lack selectivity leading to off-target toxicity. Selective inhibition of CYP11B1 is a novel alternative strategy and is potentially versatile in controlling all types of hypercortisolism. Selective multi-targeting enzymes in steroidogenesis network is promising due to potential synergistic effects. However, doses toward each targets are not feasible to adjust because the corresponding intrinsic potencies are rigid. Targeting PRKACA mutations is promising in treating CS caused by adrenal adenomas.
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Affiliation(s)
- Li Ma
- a College of Pharmaceutical Sciences , Zhejiang University , Hangzhou , China PR
| | | | - Qingzhong Hu
- c Department of Chemistry , University of Cambridge , Cambridge , UK
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Scheidt HA, Haralampiev I, Theisgen S, Schirbel A, Sbiera S, Huster D, Kroiss M, Müller P. The adrenal specific toxicant mitotane directly interacts with lipid membranes and alters membrane properties depending on lipid composition. Mol Cell Endocrinol 2016; 428:68-81. [PMID: 27002491 DOI: 10.1016/j.mce.2016.03.022] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Revised: 02/26/2016] [Accepted: 03/16/2016] [Indexed: 11/20/2022]
Abstract
Mitotane (o,p'.-DDD) is an orphan drug approved for the treatment of adrenocortical carcinoma. The mechanisms, which are responsible for this activity of the drug, are not completely understood. It can be hypothesized that an impact of mitotane is mediated by the interaction with cellular membranes. However, an interaction of mitotane with (lipid) membranes has not yet been investigated in detail. Here, we characterized the interaction of mitotane and its main metabolite o,p'-dichlorodiphenyldichloroacetic acid (o,p'-DDA) with lipid membranes by applying a variety of biophysical approaches of nuclear magnetic resonance, electron spin resonance, and fluorescence spectroscopy. We found that mitotane and o,p'-DDA bind to lipid membranes by inserting into the lipid-water interface of the bilayer. Mitotane but not o,p'-DDA directly causes a disturbance of bilayer structure leading to an increased permeability of the membrane for polar molecules. Mitotane induced alterations of the membrane integrity required the presence of phosphatidylethanolamine and/or cholesterol. Collectively, our data for the first time characterize the impact of mitotane on the lipid membrane structure and dynamics, which may contribute to a better understanding of specific mitotane effects and side effects.
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Affiliation(s)
- Holger A Scheidt
- University of Leipzig, Institute of Medical Physics and Biophysics, Härtelstr. 16-18, 04107 Leipzig, Germany
| | - Ivan Haralampiev
- Humboldt University Berlin, Department of Biology, Invalidenstr. 42, 10115 Berlin, Germany
| | - Stephan Theisgen
- University of Leipzig, Institute of Medical Physics and Biophysics, Härtelstr. 16-18, 04107 Leipzig, Germany
| | - Andreas Schirbel
- University Hospital Würzburg, Department of Nuclear Medicine, Oberdürrbacher Straße 6, 97080 Würzburg, Germany
| | - Silviu Sbiera
- University Hospital Würzburg, Department of Internal Medicine I, Endocrinology and Diabetes Unit, Oberdürrbacher Straße 6, 97080 Würzburg, Germany
| | - Daniel Huster
- University of Leipzig, Institute of Medical Physics and Biophysics, Härtelstr. 16-18, 04107 Leipzig, Germany
| | - Matthias Kroiss
- University Hospital Würzburg, Department of Internal Medicine I, Endocrinology and Diabetes Unit, Oberdürrbacher Straße 6, 97080 Würzburg, Germany
| | - Peter Müller
- Humboldt University Berlin, Department of Biology, Invalidenstr. 42, 10115 Berlin, Germany.
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El Ghorayeb N, Rondeau G, Latour M, Cohade C, Olney H, Lacroix A, Perrotte P, Sabourin A, Mazzuco TL, Bourdeau I. Rapid and Complete Remission of Metastatic Adrenocortical Carcinoma Persisting 10 Years After Treatment With Mitotane Monotherapy: Case Report and Review of the Literature. Medicine (Baltimore) 2016; 95:e3180. [PMID: 27043680 PMCID: PMC4998541 DOI: 10.1097/md.0000000000003180] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Mitotane has been used for more than 5 decades as therapy for adrenocortical carcinoma (ACC). However its mechanism of action and the extent of tumor response remain incompletely understood. To date no cases of rapid and complete remission of metastatic ACC with mitotane monotherapy has been reported. A 52-year-old French Canadian man presented with metastatic disease 2 years following a right adrenalectomy for stage III nonsecreting ACC. He was started on mitotane which was well tolerated despite rapid escalation of the dose. The patient course was exceptional as he responded to mitotane monotherapy after only few months of treatment. Initiation of chemotherapy was not needed and he remained disease-free with good quality of life on low maintenance dose of mitotane during the following 10 years. A germline heterozygous TP53 exon 4 polymorphism c.215C>G (p. Pro72Arg) was found. Immunohistochemical stainings for IGF-2 and cytoplasmic β-catenin were positive. Advanced ACC is an aggressive disease with poor prognosis and the current therapeutic options remain limited. These findings suggest that mitotane is a good option for the treatment of metastatic ACC and might result in rapid complete remission in selected patients.
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Affiliation(s)
- Nada El Ghorayeb
- From the Division of Endocrinology (NEG, GR, AL, IB), Department of Medicine; Department of Pathology (ML); Division of Nuclear Medicine (CC), Department of Radiology; Division of Oncology (HO), Department of Medicine; Division of Urology (PP), Department of Surgery; Division of Endocrinology (AS), Department of Medecine, Hôpital Honoré Mercier, Saint-Hyacinthe, Québec, Canada; and Division of Endocrinology (TLM), Medical Clinical Department, Health Sciences Centre, Universidade Estadual de Londrina (UEL), Paraná, Brazil
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Slator C, Barron N, Howe O, Kellett A. [Cu(o-phthalate)(phenanthroline)] Exhibits Unique Superoxide-Mediated NCI-60 Chemotherapeutic Action through Genomic DNA Damage and Mitochondrial Dysfunction. ACS Chem Biol 2016; 11:159-71. [PMID: 26488846 DOI: 10.1021/acschembio.5b00513] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The in cellulo catalytic production of reactive oxygen species (ROS) by copper(II) and iron(II) complexes is now recognized as a major mechanistic model in the design of effective cytotoxins of human cancer. The developmental complex, [Cu(o-phthalate)(1,10-phenanthroline)] (Cu-Ph), was recently reported as an intracellular ROS-active cytotoxic agent that induces double strand breaks in the genome of human cancer cells. In this work, we report the broad-spectrum action of Cu-Ph within the National Cancer Institute's (NCI) Developmental Therapeutics Program (DTP), 60 human cancer cell line screen. The activity profile is compared to established clinical agents-via the COMPARE algorithm-and reveals a novel mode of action to existing metal-based therapeutics. In this study, we identify the mechanistic activity of Cu-Ph through a series of molecular biological studies that are compared directly to the clinical DNA intercalator and topoisomerase II poison doxorubicin. The presence of ROS-specific scavengers was employed for in vitro and intracellular evaluation of prevailing radical species responsible for DNA oxidation with superoxide identified as playing a critical role in this mechanism. The ROS targeting properties of Cu-Ph on mitochondrial membrane potential were investigated, which showed that it had comparable activity to the uncoupling ionophore, carbonyl cyanide m-chlorophenyl hydrazine. The induction and origins of apoptotic activation were probed through detection of Annexin V and the activation of initiator (8,9) and executioner caspases (3/7) and were structurally visualized using confocal microscopy. Results here confirm a unique radical-induced mechanistic profile with intracellular hallmarks of damage to both genomic DNA and mitochondria.
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Affiliation(s)
- Creina Slator
- School
of Chemical Sciences and National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Niall Barron
- School
of Chemical Sciences and National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Orla Howe
- School of Biological Sciences & Focas Research Institute, Dublin Institute of Technology, Camden Row, Dublin 8, Ireland
| | - Andrew Kellett
- School
of Chemical Sciences and National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
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Stigliano A, Chiodini I, Giordano R, Faggiano A, Canu L, Della Casa S, Loli P, Luconi M, Mantero F, Terzolo M. Management of adrenocortical carcinoma: a consensus statement of the Italian Society of Endocrinology (SIE). J Endocrinol Invest 2016; 39:103-21. [PMID: 26165270 DOI: 10.1007/s40618-015-0349-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 06/23/2015] [Indexed: 01/10/2023]
Affiliation(s)
- A Stigliano
- Endocrinology, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy.
| | - I Chiodini
- Endocrinology and Metabolic Disease Unit, IRCCS Foundation Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - R Giordano
- Department of Clinical and Biological Science, University of Turin, Turin, Italy
- Division of Endocrinology, Diabetology and Metabolism, Department of Medical Science, University of Turin, Turin, Italy
| | - A Faggiano
- Department of Clinical Medicine and Surgery, Federico II University of Naples, Naples, Italy
| | - L Canu
- Endocrinology Unit, Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
| | - S Della Casa
- Endocrinology, Department of Internal Medicine, Catholic University of Rome, Rome, Italy
| | - P Loli
- Endocrine Unit, Niguarda Cà Granda Hospital, Milan, Italy
| | - M Luconi
- Endocrinology Unit, Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
| | - F Mantero
- Endocrinology Unit, Department of Medicine-DIMED, University of Padua, Padua, Italy
| | - M Terzolo
- Internal Medicine I, Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
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Lau D, Rutledge C, Aghi MK. Cushing's disease: current medical therapies and molecular insights guiding future therapies. Neurosurg Focus 2015; 38:E11. [PMID: 25639313 DOI: 10.3171/2014.10.focus14700] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT Cushing's disease (CD) can lead to significant morbidity secondary to hormonal sequelae or mass effect from the pituitary tumor. A transsphenoidal approach to resection of the adrenocorticotropic hormone (ACTH)-secreting pituitary adenoma is the first-line treatment. However, in the setting in which patients are unable to undergo surgery, have acute hypercortisolism, or have recurrent disease, medical therapy can play an important role. The authors performed a systematic review to highlight the efficacy of medical treatment of CD and discuss novel molecular insights that could guide the development of future medical treatments of CD. METHODS A search on current medical therapies for CD was performed. After individual medical therapeutic agents for CD were identified, each agent underwent a formal systematic search. The phrase "(name of agent) and Cushing's" was used as a search term in PubMed for all years up to 2014. The abstract of each article was reviewed for studies that evaluated the efficacy of medical treatment of CD. Only studies that enrolled at least 20 patients were included in the review. RESULTS A total of 11 articles on 6 individual agents were included in this review. Specific medical therapies were categorized based on the level of action: pituitary directed (cabergoline and pasireotide), adrenal/steroidogenesis directed (ketoconazole, metyrapone, and mitotane), and end-tissue directed/cortisol receptors (mifepristone). The studies identified consisted of a mix of retrospective reviews and small clinical trials. Only pasireotide and mifepristone have undergone Phase III clinical trials, from which they garnered FDA approval for the treatment of patients with CD. Overall, agents targeting ACTH secretion and steroidogenesis were found to be quite effective in reducing urine free cortisol (UFC) to levels near normal. A significant reduction in UFC was observed in 45%-100% of patients and a majority of patients gained clinical improvement. Similarly, inhibition at the end-tissue level led to clinical improvement in 87% of patients. However, side-effect rates associated with these drugs are high (up to 88%). Ketoconazole has been shown to enhance tumor appearance on MRI to facilitate pituitary resection. Promising molecular targets have been identified, including epidermal growth factor receptor, retinoic acid receptors, and cyclin dependent kinases. These pathways have been linked to the regulation of pro-opiomelanocortin expression, ACTH secretion, and tumor growth. CONCLUSIONS Despite encouraging Phase III clinical trials leading to FDA approval of 2 agents for treatment of patients with CD, no agent has yet produced results comparable to resection. As a result, the molecular insights gained into CD pathogenesis will need to continue to be expanded until they can lead to the development of medical therapies for CD with a favorable side-effect profile and efficacy comparable to resection. Ideally these agents should also reduce tumor size, which could potentially permit their eventual discontinuation.
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Affiliation(s)
- Darryl Lau
- Department of Neurological Surgery, University of California, San Francisco, California
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Chimento A, Sirianni R, Casaburi I, Zolea F, Rizza P, Avena P, Malivindi R, De Luca A, Campana C, Martire E, Domanico F, Fallo F, Carpinelli G, Cerquetti L, Amendola D, Stigliano A, Pezzi V. GPER agonist G-1 decreases adrenocortical carcinoma (ACC) cell growth in vitro and in vivo. Oncotarget 2015; 6:19190-203. [PMID: 26131713 PMCID: PMC4662484 DOI: 10.18632/oncotarget.4241] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 05/23/2015] [Indexed: 12/26/2022] Open
Abstract
We have previously demonstrated that estrogen receptor (ER) alpha (ESR1) increases proliferation of adrenocortical carcinoma (ACC) through both an estrogen-dependent and -independent (induced by IGF-II/IGF1R pathways) manner. Then, the use of tamoxifen, a selective estrogen receptor modulator (SERM), appears effective in reducing ACC growth in vitro and in vivo. However, tamoxifen not only exerts antiestrogenic activity, but also acts as full agonist on the G protein-coupled estrogen receptor (GPER). Aim of this study was to investigate the effect of a non-steroidal GPER agonist G-1 in modulating ACC cell growth. We found that G-1 is able to exert a growth inhibitory effect on H295R cells both in vitro and, as xenograft model, in vivo. Treatment of H295R cells with G-1 induced cell cycle arrest, DNA damage and cell death by the activation of the intrinsic apoptotic mechanism. These events required sustained extracellular regulated kinase (ERK) 1/2 activation. Silencing of GPER by a specific shRNA partially reversed G-1-mediated cell growth inhibition without affecting ERK activation. These data suggest the existence of G-1 activated but GPER-independent effects that remain to be clarified. In conclusion, this study provides a rational to further study G-1 mechanism of action in order to include this drug as a treatment option to the limited therapy of ACC.
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Affiliation(s)
- Adele Chimento
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Rosa Sirianni
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Ivan Casaburi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Fabiana Zolea
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Pietro Rizza
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Paola Avena
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Rocco Malivindi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Arianna De Luca
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Carmela Campana
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Emilia Martire
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Francesco Domanico
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
| | - Francesco Fallo
- Department of Medicine-DIMED, University of Padova, Padova, Italy
| | - Giulia Carpinelli
- Department of Cell Biology and Neurosciences, National Institute of Health, Rome, Italy
| | - Lidia Cerquetti
- Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Faculty of Medicine and Psychology, Rome, Italy
| | | | - Antonio Stigliano
- Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Faculty of Medicine and Psychology, Rome, Italy
| | - Vincenzo Pezzi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende, Cosenza, Italy
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Theile D, Haefeli WE, Weiss J. Effects of adrenolytic mitotane on drug elimination pathways assessed in vitro. Endocrine 2015; 49:842-53. [PMID: 25542188 DOI: 10.1007/s12020-014-0517-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Accepted: 12/18/2014] [Indexed: 12/13/2022]
Abstract
Mitotane (1,1-dichloro-2-(o-chlorophenyl)-2-(p-chlorophenyl)ethane, o,p'-DDD) represents one of the most active drugs for the treatment of adrenocortical carcinoma. Its metabolites 1,1-(o,p'-dichlorodiphenyl) acetic acid (=o,p'-DDA) and 1,1-(o,p'-dichlorodiphenyl)-2,2 dichloroethene (=o,p'-DDE) partly contribute to its pharmacological effects. Because mitotane has a narrow therapeutic index and causes pharmacokinetic drug-drug interactions, knowledge about these compounds' effects on drug metabolizing and transporting proteins is crucial. Using quantitative real-time polymerase chain reaction, our study confirmed the strong inducing effects of o,p'-DDD on mRNA expression of cytochrome P450 3A4 (CYP3A4, 30-fold) and demonstrated that other enzymes and transporters are also induced (e.g., CYP1A2, 8.4-fold; ABCG2 (encoding breast resistance cancer protein, BCRP), 4.2-fold; ABCB1 (encoding P-glycoprotein, P-gp) 3.4-fold). P-gp induction was confirmed at the protein level. o,p'-DDE revealed a similar induction profile, however, with less potency and o,p'-DDA had only minor effects. Reporter gene assays clearly confirmed o,p'-DDD to be a PXR activator and for the first time demonstrated that o,p'-DDE and o,p'-DDA also activate PXR albeit with lower potency. Using isolated, recombinant CYP enzymes, o,p'-DDD and o,p'-DDE were shown to strongly inhibit CYP2C19 (IC50 = 0.05 and 0.09 µM). o,p'-DDA exhibited only minor inhibitory effects. In addition, o,p'-DDD, o,p'-DDE, and o,p'-DDA are demonstrated to be neither substrates nor inhibitors of BCRP or P-gp function. In summary, o,p'-DDD and o,p'-DDE might be potential perpetrators in pharmacokinetic drug-drug interactions through induction of drug-metabolizing enzymes or drug transporters and by potent inhibition of CYP2C19. In tumors over-expressing BCRP or P-gp, o,p'-DDD and its metabolites should retain their efficacy due to a lack of substrate characteristics.
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Affiliation(s)
- Dirk Theile
- Department of Clinical Pharmacology and Pharmacoepidemiology, University Hospital Heidelberg, University of Heidelberg, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany
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Kanjanapan Y, Prasanna T, Perampalam S, Yip D. The challenge of managing adrenocortical carcinoma: two case studies. INTERNATIONAL JOURNAL OF ENDOCRINE ONCOLOGY 2015. [DOI: 10.2217/ije.15.12] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Adrenocortical carcinoma is a rare entity affecting 1–2 people per million. It has a relatively poor prognosis, with an overall 5-year survival of 20–45%. The reasons include a high risk of recurrence following resection and relatively poor response to cytotoxic treatment. The use of the adrenalytic mitotane as adjuvant therapy is supported by level III evidence from cohort studies. In the metastatic setting, one randomized controlled trial provides level II evidence for a three-drug chemotherapy combination of cisplatin, etoposide and doxorubicin, with mitotane (EDP–M). We present two cases of adrenocortical carcinoma and discuss their management in light of the literature supporting the treatments. These cases illustrate the practicalities of management requiring a multidisciplinary team with the oncologist, endocrinologist, surgeon, anesthetist, radiologist and pathologist, all working in collaboration.
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Affiliation(s)
- Yada Kanjanapan
- Department of Medical Oncology, The Canberra Hospital, Garran ACT, Australia
- Australian National University Medical School, Acton, ACT, Australia
| | - Thiru Prasanna
- Department of Medical Oncology, The Canberra Hospital, Garran ACT, Australia
| | - Sumathy Perampalam
- Australian National University Medical School, Acton, ACT, Australia
- Endocrinology Department, The Canberra Hospital, Garran ACT, Australia
| | - Desmond Yip
- Department of Medical Oncology, The Canberra Hospital, Garran ACT, Australia
- Australian National University Medical School, Acton, ACT, Australia
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Hescot S, Paci A, Seck A, Slama A, Viengchareun S, Trabado S, Brailly-Tabard S, Al Ghuzlan A, Young J, Baudin E, Lombès M. The lack of antitumor effects of o,p'DDA excludes its role as an active metabolite of mitotane for adrenocortical carcinoma treatment. Discov Oncol 2014; 5:312-23. [PMID: 25026941 DOI: 10.1007/s12672-014-0189-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Accepted: 07/03/2014] [Indexed: 01/26/2023] Open
Abstract
Mitotane (o,p'DDD) is the most effective treatment of advanced adrenocortical carcinoma (ACC) but its mechanism of action remains unknown. Previous studies suggested that o,p'DDA may represent the active metabolite of mitotane. We aimed at reevaluating the potential role and pharmacological effects of o,p'DDA. Functional consequences of o,p'DDA exposure were studied on proliferation, steroidogenesis, and mitochondrial respiratory chain in human H295R and SW13 adrenocortical cells. Mitotane and its metabolites were quantified using high-performance liquid chromatography combined to an ultraviolet detection in these cells treated with o,p'DDD or o,p'DDA and in human adrenal tissues. Dose-response curves up to 300 μM showed that, as opposed to o,p'DDD, o,p'DDA did not inhibit cell proliferation nor alter respiratory chain complex IV activity, gene expression nor induce mitochondrial biogenesis, oxidative stress, or apoptosis. However, whereas mitotane drastically decreased expression of genes involved in steroidogenesis, o,p'DDA slightly reduced expression of some steroidogenic enzymes and exerts weak anti-secretory effects only at high doses. While o,p'DDD concentration was significantly reduced by 40 % in H295R cell supernatants after 48 h incubation, o,p'DDA levels remained unchanged suggesting that o,p'DDA was not efficiently transported into the cells. o,p'DDA was not detected in cell homogenates or supernatants after 48 h exposure to o,p'DDD, consistent with the absence of o,p'DDA production in these models. Finally, unlike o'p'DDD, we found that o,p'DDA content was undetectable in two ACC and one normal adrenal gland of mitotane-treated patients, suggesting a lack of cellular uptake and in situ production. Our results demonstrate that o,p'DDD, but not o,p'DDA, induces functional alterations in adrenal cells.
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Affiliation(s)
- Ségolène Hescot
- Inserm U693, Fac Med Paris Sud, 63 rue Gabriel Péri, 94276, Le Kremlin-Bicêtre Cedex, France
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Terzolo M, Zaggia B, Allasino B, De Francia S. Practical treatment using mitotane for adrenocortical carcinoma. Curr Opin Endocrinol Diabetes Obes 2014; 21:159-65. [PMID: 24732405 DOI: 10.1097/med.0000000000000056] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE OF REVIEW Description of novel findings about the mechanism of action of mitotane and its activity as an adjunctive postoperative measure, or for treatment of advanced adrenocortical carcinoma. RECENT FINDINGS Several in-vitro studies have shown that mitotane suppresses gene transcription of different enzymatic steps of the steroidogenetic pathway. Moreover, mitotane induces CYP3A4 expression, thus accelerating the metabolic clearance of a variety of drugs including steroids. Retrospective studies provided evidence that adjunctive mitotane can prolong recurrence-free survival of treated patients. The concept of a therapeutic window of mitotane plasma concentrations was confirmed also for adjunctive treatment, but the relationship between mitotane concentration and given dose is loose. Genetic variability of the P450-dependent enzymes metabolizing mitotane may explain individual differences. SUMMARY Mitotane concentration of 14-20 mg/l should be reached and maintained during treatment also in an adjunctive setting. In advanced adrenocortical carcinoma, a high-dose starting regimen should be employed when mitotane is used as monotherapy. The combination of mitotane with other drugs should consider the possibility of pharmacologic interactions due to mitotane-induced activation of drug metabolism. This concept applies also to steroid replacement in mitotane-treated patients, who need higher doses to adjust for increased steroid metabolism.
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Affiliation(s)
- Massimo Terzolo
- aInternal Medicine I bPharmacology, Department of Clinical and Biological Sciences, University of Turin, Italy
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Gentilin E, Molè D, Gagliano T, Minoia M, Ambrosio MR, Degli Uberti EC, Zatelli MC. Inhibitory effects of mitotane on viability and secretory activity in mouse gonadotroph cell lines. Reprod Toxicol 2014; 45:71-6. [PMID: 24486453 DOI: 10.1016/j.reprotox.2014.01.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 01/09/2014] [Accepted: 01/20/2014] [Indexed: 01/03/2023]
Abstract
Mitotane represents the mainstay medical treatment for metastatic, inoperable or recurrent adrenocortical carcinoma. Besides the well-known adverse events, mitotane therapy is associated also with endocrinological effects, including sexual and reproductive dysfunction. The majority of male patients undergoing adjuvant mitotane therapy show a picture of hypogonadism, characterized by low free testosterone and high sex hormone binding globulin levels and unmodified LH concentrations. Since mitotane has been shown to have direct pituitary effects, we investigated whether mitotane may influence both cell viability and function of gonadotroph cells in the settings of two pituitary cell lines. We found that mitotane reduces cell viability, induces apoptosis, modifies cell cycle phase distribution and secretion of gonadotroph cells. The present data strengthen previous evidence showing a direct mitotane effect at pituitary level and represent a possible explanation of the lack of LH increase following decrease in free testosterone in patients undergoing adjuvant mitotane therapy.
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Affiliation(s)
- Erica Gentilin
- Section of Endocrinology, Department of Medical Sciences, University of Ferrara, Italy; Laboratorio in Rete del Tecnopolo Tecnologie delle Terapie Avanzate (LTTA), University of Ferrara, Italy
| | - Daniela Molè
- Section of Endocrinology, Department of Medical Sciences, University of Ferrara, Italy
| | - Teresa Gagliano
- Section of Endocrinology, Department of Medical Sciences, University of Ferrara, Italy
| | - Mariella Minoia
- Section of Endocrinology, Department of Medical Sciences, University of Ferrara, Italy
| | | | - Ettore C Degli Uberti
- Section of Endocrinology, Department of Medical Sciences, University of Ferrara, Italy; Laboratorio in Rete del Tecnopolo Tecnologie delle Terapie Avanzate (LTTA), University of Ferrara, Italy
| | - Maria Chiara Zatelli
- Section of Endocrinology, Department of Medical Sciences, University of Ferrara, Italy; Laboratorio in Rete del Tecnopolo Tecnologie delle Terapie Avanzate (LTTA), University of Ferrara, Italy.
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Abstract
Adrenocortical carcinoma (ACC) is an orphan malignancy that has attracted increasing attention during the last decade. Here we provide an update on advances in the field since our last review published in this journal in 2006. The Wnt/β-catenin pathway and IGF-2 signaling have been confirmed as frequently altered signaling pathways in ACC, but recent data suggest that they are probably not sufficient for malignant transformation. Thus, major players in the pathogenesis are still unknown. For diagnostic workup, comprehensive hormonal assessment and detailed imaging are required because in most ACCs, evidence for autonomous steroid secretion can be found and computed tomography or magnetic resonance imaging (if necessary, combined with functional imaging) can differentiate benign from malignant adrenocortical tumors. Surgery is potentially curative in localized tumors. Thus, we recommend a complete resection including lymphadenectomy by an expert surgeon. The pathology report should demonstrate the adrenocortical origin of the lesion (eg, by steroidogenic factor 1 staining) and provide Weiss score, resection status, and quantitation of the proliferation marker Ki67 to guide further treatment. Even after complete surgery, recurrence is frequent and adjuvant mitotane treatment improves outcome, but uncertainty exists as to whether all patients benefit from this therapy. In advanced ACC, mitotane is still the standard of care. Based on the FIRM-ACT trial, mitotane plus etoposide, doxorubicin, and cisplatin is now the established first-line cytotoxic therapy. However, most patients will experience progress and require salvage therapies. Thus, new treatment concepts are urgently needed. The ongoing international efforts including comprehensive "-omic approaches" and next-generation sequencing will improve our understanding of the pathogenesis and hopefully lead to better therapies.
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Affiliation(s)
- Martin Fassnacht
- Department of Internal Medicine IV, Hospital of the University of Munich, Ziemssenstrasse 1, 80336 München, Germany.
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