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Duan H, Jiang Q, Liu L, Deng M, Lai Q, Jiang Y, Li Z, Xu B, Lin Z. Effect of prior lenalidomide or daratumumab exposure on hematopoietic stem cell collection and reconstitution in multiple myeloma. Ann Hematol 2024:10.1007/s00277-024-05683-2. [PMID: 38448787 DOI: 10.1007/s00277-024-05683-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 02/26/2024] [Indexed: 03/08/2024]
Abstract
BACKGROUND The roles of Lenalidomide (Len) and Daratumumab (Dara) in multiple myeloma treatment are well-established, yet their influences on hematopoietic stem cell harvesting and reconstitution remain disputed. METHODS We conducted a systematic database review to identify cohort studies or RCTs evaluating the effect of the use of Len or Dara on hematopoietic stem cell collection and peripheral blood count recovery in multiple myeloma patients. Effects on hematopoietic collection or reconstitution were estimated by comparing standardized mean differences (SMD) and mean differences (MD), or median differences. RESULTS Eighteen relevant studies were identified, summarizing mobilization results. For Len, data from 13 studies were summarized, including total CD34+ cell yield, collection failure rate, and time to neutrophil and platelet engraftment. Results indicated that Len exposure led to decreased stem cell collection [SMD=-0.23, 95% CI (-0.34, -0.12)]. However, collection failure (<2×106) could be mitigated by plerixafor [OR=2.14, 95% CI (0.96, 4.77)]. For Dara, two RCTs and three cohort studies were included, showing that Dara exposure resulted in a reduction in total stem cells even with optimized plerixafor mobilization [SMD=-0.75, 95% CI (-1.26, -0.23)], and delayed platelet engraftment recovery [MD=1.20, 95% CI (0.73, 1.66)]. CONCLUSIONS Our meta-analysis offers a comprehensive view of Len and Dara's impacts on hematopoietic stem cell collection and reconstitution in multiple myeloma. Len usage could lead to reduced stem cell collection, counteracted by plerixafor mobilization. Dara usage could result in diminished stem cell collection and delayed platelet engraftment.
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Affiliation(s)
- Hongpeng Duan
- Department of Hematology, School of Medicine, The First Affiliated Hospital of Xiamen University and Institute of Hematology, Xiamen University, Xiamen, 361102, People's Republic of China
- Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361102, People's Republic of China
| | - Qiuhui Jiang
- Department of Hematology, School of Medicine, The First Affiliated Hospital of Xiamen University and Institute of Hematology, Xiamen University, Xiamen, 361102, People's Republic of China
- Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361102, People's Republic of China
| | - Long Liu
- Department of Hematology, School of Medicine, The First Affiliated Hospital of Xiamen University and Institute of Hematology, Xiamen University, Xiamen, 361102, People's Republic of China
- Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361102, People's Republic of China
| | - Manman Deng
- Department of Hematology, School of Medicine, The First Affiliated Hospital of Xiamen University and Institute of Hematology, Xiamen University, Xiamen, 361102, People's Republic of China
- Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361102, People's Republic of China
| | - Qian Lai
- Department of Hematology, School of Medicine, The First Affiliated Hospital of Xiamen University and Institute of Hematology, Xiamen University, Xiamen, 361102, People's Republic of China
- Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361102, People's Republic of China
| | - Yuelong Jiang
- Department of Hematology, School of Medicine, The First Affiliated Hospital of Xiamen University and Institute of Hematology, Xiamen University, Xiamen, 361102, People's Republic of China
- Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361102, People's Republic of China
| | - Zhifeng Li
- Department of Hematology, School of Medicine, The First Affiliated Hospital of Xiamen University and Institute of Hematology, Xiamen University, Xiamen, 361102, People's Republic of China
- Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361102, People's Republic of China
| | - Bing Xu
- Department of Hematology, School of Medicine, The First Affiliated Hospital of Xiamen University and Institute of Hematology, Xiamen University, Xiamen, 361102, People's Republic of China.
- Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361102, People's Republic of China.
| | - Zhijuan Lin
- Department of Hematology, School of Medicine, The First Affiliated Hospital of Xiamen University and Institute of Hematology, Xiamen University, Xiamen, 361102, People's Republic of China.
- Key Laboratory of Xiamen for Diagnosis and Treatment of Hematological Malignancy, Xiamen, 361102, People's Republic of China.
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Bokosi FRB, Shiels OJ, Richardson C, Trevitt AJ, Keaveney ST. Divergent Reactivity of 1,2,3-Benzotriazin-4(3 H)-ones: Photocatalytic Synthesis of 3-Substituted Isoindolinones Achieved through a Nitrogen-Mediated Hydrogen Atom Shift. J Org Chem 2024; 89:1836-1845. [PMID: 38226655 DOI: 10.1021/acs.joc.3c02545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
A regioselective visible-light-mediated denitrogenative alkene insertion of 1,2,3-benzotriazin-4(3H)-ones was developed to access 3-substituted isoindolinones, an important structural motif present in many biologically active molecules and natural products. Notably, divergent reactivity was achieved by switching from reported nickel catalysis (where C3-substituted 3,4-dihydroisoquinolin-1(2H)-ones form) to photocatalysis, where photocatalytic denitrogenation and a subsequent nitrogen-mediated hydrogen atom shift lead to exclusive 3-substituted isoindolinone formation. The developed photocatalytic reaction is compatible with activated terminal alkenes and cyclic α,β-unsaturated esters and ketones, with wide functional group tolerance for N-substitution of the 1,2,3-benzotriazin-4(3H)-ones. The utility of this procedure is highlighted by a gram-scale synthesis and postsynthetic amidation. To understand the origin of this unique product selectivity, experimental and computational mechanistic studies were performed.
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Affiliation(s)
- Fostino R B Bokosi
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Oisin J Shiels
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Christopher Richardson
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Adam J Trevitt
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Sinead T Keaveney
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
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3
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Mioso G, Gnesotto L, Russo I, Piaserico S, Alaibac M. Exacerbation of psoriasis induced by lenalidomide in a patient with multiple myeloma. J DERMATOL TREAT 2023; 34:2182619. [PMID: 36809149 DOI: 10.1080/09546634.2023.2182619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Affiliation(s)
- Guido Mioso
- Unit of Dermatology, Department of Medicine (DIMED), University of Padova, 35128 Padua Italy
| | - Laura Gnesotto
- Unit of Dermatology, Department of Medicine (DIMED), University of Padova, 35128 Padua Italy
| | - Irene Russo
- Unit of Dermatology, Department of Medicine (DIMED), University of Padova, 35128 Padua Italy.,Soft-Tissue, Peritoneum and Melanoma Surgical Oncology Unit, IOV- IRCCS, 35128 Padua, Italy
| | - Stefano Piaserico
- Unit of Dermatology, Department of Medicine (DIMED), University of Padova, 35128 Padua Italy
| | - Mauro Alaibac
- Unit of Dermatology, Department of Medicine (DIMED), University of Padova, 35128 Padua Italy
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Caggiano M, Di Spirito F, Acerra A, Galdi M, Sisalli L. Multiple-Drugs-Related Osteonecrosis of the Jaw in a Patient Affected by Multiple Myeloma: A Case Report. Dent J (Basel) 2023; 11:dj11040104. [PMID: 37185482 PMCID: PMC10137621 DOI: 10.3390/dj11040104] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 03/27/2023] [Accepted: 04/04/2023] [Indexed: 05/17/2023] Open
Abstract
A 60-year-old woman suffering from multiple myeloma (MM) was treated with zoledronic acid (bisphosphonate), dexamethasone (corticosteroid), bortezomib (a chemotherapeutic agent), and lenalidomide (thalidomide analog) for about a year and with lenalidomide alone as maintenance therapy for almost two years and developed stage three medication-related osteonecrosis of the jaws (MRONJ) in the upper left dental arch approximately two weeks after tooth extraction, which was treated with a medical nonoperative conservative approach until reversion to stage one. The present case report describing the development of multi-drug-related osteonecrosis of the jaws during the pharmacologic MM maintenance phase draws attention to the complex multidisciplinary and multistage management of MM subjects and also that during disease remission, crucially involving oral healthcare providers for MRONJ prevention and pharmacovigilance. To prevent similar cases, cancer patient management should ensure proper dental care not only before starting but also throughout therapy duration and ensure continuous interdisciplinary consensus between oncologists and dentists. Moreover, also considering the independent negative and potentially synergistic effect on bone metabolism and mucosal healing processes of employed medicaments, additionally combined with the cumulative one of previous intravenous bisphosphonates, further studies should highlight the polypharmacy effect and hopefully aid in patient-specific MRONJ risk assessment in cancer patients.
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Affiliation(s)
- Mario Caggiano
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Allende, 84081 Baronissi, Italy
| | - Federica Di Spirito
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Allende, 84081 Baronissi, Italy
| | - Alfonso Acerra
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Allende, 84081 Baronissi, Italy
| | - Marzio Galdi
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Allende, 84081 Baronissi, Italy
| | - Laura Sisalli
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Via Allende, 84081 Baronissi, Italy
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Drula R, Iluta S, Gulei D, Iuga C, Dima D, Ghiaur G, Buzoianu AD, Ciechanover A, Tomuleasa C. Exploiting the ubiquitin system in myeloid malignancies. From basic research to drug discovery in MDS and AML. Blood Rev 2022; 56:100971. [PMID: 35595613 DOI: 10.1016/j.blre.2022.100971] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/02/2022] [Accepted: 05/04/2022] [Indexed: 12/19/2022]
Abstract
The ubiquitin-proteasome system is the crucial homeostatic mechanism responsible for the degradation and turnover of proteins. As such, alterations at this level are often associated with oncogenic processes, either through accumulation of undegraded pathway effectors or, conversely, excessive degradation of tumor-suppressing factors. Therefore, investigation of the ubiquitin- proteasome system has gained much attraction in recent years, especially in the context of hematological malignancies, giving rise to efficient therapeutics such as bortezomib for multiple myeloma. Current investigations are now focused on manipulating protein degradation via fine-tuning of the ubiquitination process through inhibition of deubiquitinating enzymes or development of PROTAC systems for stimulation of ubiquitination and protein degradation. On the other hand, the efficiency of Thalidomide derivates in myelodysplastic syndromes (MDS), such as Lenalidomide, acted as the starting point for the development of targeted leukemia-associated protein degradation molecules. These novel molecules display high efficiency in overcoming the limitations of current therapeutic regimens, such as refractory diseases. Therefore, in this manuscript we will address the therapeutic opportunities and strategies based on the ubiquitin-proteasome system, ranging from the modulation of deubiquitinating enzymes and, conversely, describing the potential of modern targeted protein degrading molecules and their progress into clinical implementation.
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Affiliation(s)
- Rares Drula
- Research Center for Advanced Medicine - MedFUTURE, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Sabina Iluta
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania; Department of Hematology, Ion Chiricuta Clinical Cancer Center, Cluj Napoca, Romania
| | - Diana Gulei
- Research Center for Advanced Medicine - MedFUTURE, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Cristina Iuga
- Research Center for Advanced Medicine - MedFUTURE, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania; Department of Pharmaceutical Analysis, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Delia Dima
- Department of Hematology, Ion Chiricuta Clinical Cancer Center, Cluj Napoca, Romania
| | - Gabriel Ghiaur
- Department of Oncology, The Johns Hopkins Hospital, Johns Hopkins Medicine, Baltimore, MD, United States
| | - Anca Dana Buzoianu
- Department of Pharmacology, Toxicology and Clinical Pharmacology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj Napoca, Romania
| | - Aaron Ciechanover
- Research Center for Advanced Medicine - MedFUTURE, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania; Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania; Rappaport Technion Integrated Cancer Center, Technion-Israel Institute of Technology, Haifa 3109601, Israel; Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Haifa 3109601, Israel
| | - Ciprian Tomuleasa
- Research Center for Advanced Medicine - MedFUTURE, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania; Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca, Romania; Department of Hematology, Ion Chiricuta Clinical Cancer Center, Cluj Napoca, Romania.
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Ueda Y, Usuki K, Fujita J, Matsumura I, Aotsuka N, Sekiguchi N, Nakazato T, Iwasaki H, Takahara-Matsubara M, Sugimoto S, Goto M, Naoe T, Kizaki M, Miyazaki Y, Aakashi K. Phase 1/2 Study Evaluating the Safety and Efficacy of DSP-7888 Dosing Emulsion in Myelodysplastic Syndromes. Cancer Sci 2021; 113:1377-1392. [PMID: 34932235 PMCID: PMC8990724 DOI: 10.1111/cas.15245] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 11/11/2021] [Accepted: 12/06/2021] [Indexed: 11/27/2022] Open
Abstract
DSP‐7888 is an immunotherapeutic cancer vaccine derived from the Wilms’ tumor gene 1 (WT1) protein. This phase 1/2 open‐label study evaluated the safety and efficacy of DSP‐7888 dosing emulsion in patients with myelodysplastic syndromes (MDS). DSP‐7888 was administered intradermally (3.5 or 10.5 mg) every 2 weeks for 6 months and then every 2‐4 weeks until lack of benefit. Twelve patients were treated in phase 1 (3.5 mg, n = 6; 10.5 mg, n = 6), with no dose‐limiting toxicities reported. Thus, the 10.5 mg dose was selected as the recommended phase 2 dose, and 35 patients were treated in phase 2. Forty‐seven patients received ≥1 dose of the study drug and comprised the safety analysis set. The most common adverse drug reaction (ADR) was injection site reactions (ISR; 91.5%). Grade 3 ISR were common (58.8%) in phase 1 but occurred less frequently in 2 (22.9%) following implementation of risk minimization strategies. Other common ADR were pyrexia (10.6%) and febrile neutropenia (8.5%). In the efficacy analysis set, comprising patients with higher‐risk MDS after azacitidine failure in phases 1 and 2 (n = 42), the disease control rate was 19.0%, and the median overall survival (OS) was 8.6 (90% confidence interval [CI], 6.8‐10.3) months. Median OS was 10.0 (90% CI, 7.6‐11.4) months in patients with a WT1‐specific immune response (IR; n = 33) versus 4.1 (90% CI, 2.3‐8.1) months in those without a WT1‐specific IR (n = 9; P = .0034). The acceptable safety and clinical activity findings observed support the continued development of DSP‐7888 dosing emulsion.
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Affiliation(s)
- Yasunori Ueda
- Department of Hematology/Oncology, Kurashiki Central Hospital, Okayama, Japan
| | - Kensuke Usuki
- Department of Hematology, NTT Medical Center Tokyo, Tokyo, Japan
| | - Jiro Fujita
- Department of Hematology and Oncology, Osaka University Hospital, Osaka, Japan
| | - Itaru Matsumura
- Department of Hematology and Rheumatology, Kindai University Hospital, Osaka, Japan
| | - Nobuyuki Aotsuka
- Department of Hematology Oncology, Japanese Red Cross Narita Hospital, Chiba, Japan
| | - Naohiro Sekiguchi
- Department of Hematology, National Hospital Organization Disaster Medical Center, Tokyo, Japan
| | - Tomonori Nakazato
- Department of Hematology, Yokohama Municipal Citizen's Hospital, Kanagawa, Japan
| | - Hiromi Iwasaki
- Department of Hematology, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | | | | | - Masashi Goto
- Sumitomo Dainippon Pharma Co., Ltd, Osaka, Japan
| | - Tomoki Naoe
- National Hospital Organization Nagoya Medical Center, Aichi, Japan
| | - Masahiro Kizaki
- Department of Hematology, Saitama Medical Center, Saitama, Japan
| | - Yasushi Miyazaki
- Department of Hematology, Atomic Bomb Disease and Hibakusha Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
| | - Koichi Aakashi
- Department of Medicine and Biosystemic Science Faculty of Medicine, Kyushu University, Fukuoka, Japan
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Yuan T, Zhang F, Yao Q, Liu Y, Zhu X, Chen P. Maintenance therapy for untreated diffuse large B-cell lymphoma: a systematic review and network meta-analysis. Ther Adv Hematol 2021; 12:20406207211018894. [PMID: 34104373 PMCID: PMC8165531 DOI: 10.1177/20406207211018894] [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: 01/31/2021] [Accepted: 04/27/2021] [Indexed: 11/15/2022] Open
Abstract
Background: Several clinical trials have been conducted to evaluate the role of maintenance therapy in untreated diffuse large B-cell lymphoma (DLBCL) patients with complete response or partial response following standard immunochemotherapy; however, the effect of maintenance therapy remains uncertain, and a suitable maintenance strategy has not been determined because of the lack of direct/indirect comparisons. Methods: We performed a systematic review and Bayesian network meta-analysis (NMA) to analyze and compare the effectiveness of different maintenance regimens in newly diagnosed DLBCL patients. We searched the PubMed Medline, Embase, Web of Science, Cochrane Database of Systematic Reviews, and Cochrane Central Register of Controlled Trials for relevant papers from inception to 18 March 2021. Our study was prospectively registered in the International Prospective Register of Systematic Reviews (CRD42020168864). Data on overall survival (OS) were extracted and the treatments were ranked using the surface under the cumulative ranking (SUCRA) curve. Results: Eight trials and seven treatments involving 3525 patients were analyzed. OS analysis indicated that none of the drugs showed any benefit compared with non-maintenance therapy. Maintenance therapy with lenalidomide (SUCRA 69.3%) was ranked first in terms of OS. Conclusion: Based on the OS results observed in this NMA, we do not recommend maintenance therapy in patients with newly diagnosed DLBLC after first-line therapy.
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Affiliation(s)
- Ting Yuan
- Department of Geriatrics, Department of Geriatrics Hematology and Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, P.R. China
| | - Feng Zhang
- Department of Geriatrics, Department of Geriatrics Hematology and Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, P.R. China
| | - Qingmin Yao
- Department of Geriatrics, Department of Geriatrics Hematology and Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, P.R. China
| | - Yanxia Liu
- Department of Geriatrics, Department of Geriatrics Hematology and Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, P.R. China
| | - Xiaojuan Zhu
- Hematology, Department of Geriatrics, Department of Geriatrics Hematology and Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324, Jingwu Road, Jinan, Shandong 250021, P.R. China
| | - Peng Chen
- Epidemiology and Health Statistics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No. 44-1, Wenhua Road West, Jinan, Shandong 250012, P.R. China
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8
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Bai Y, Shi L, Zheng L, Ning S, Che X, Zhang Z, Xiang J. Electroselective and Controlled Reduction of Cyclic Imides to Hydroxylactams and Lactams. Org Lett 2021; 23:2298-2302. [PMID: 33683904 DOI: 10.1021/acs.orglett.1c00430] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An efficient and practical electrochemical method for selective reduction of cyclic imides has been developed using a simple undivided cell with carbon electrodes at room temperature. The reaction provides a useful strategy for the rapid synthesis of hydroxylactams and lactams in a controllable manner, which is tuned by electric current and reaction time, and exhibits broad substrate scope and high functional group tolerance even to reduction-sensitive moieties. Initial mechanistic studies suggest that the approach heavily relies on the utilization of amines (e.g., i-Pr2NH), which are able to generate α-aminoalkyl radicals. This protocol provides an efficient route for the cleavage of C-O bonds under mild conditions with high chemoselectivity.
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Affiliation(s)
- Ya Bai
- The Center for Combinatorial Chemistry and Drug Discovery of Jilin University, The School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, P. R. China
| | - Lingling Shi
- The Center for Combinatorial Chemistry and Drug Discovery of Jilin University, The School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, P. R. China
| | - Lianyou Zheng
- The Center for Combinatorial Chemistry and Drug Discovery of Jilin University, The School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, P. R. China
| | - Shulin Ning
- The Center for Combinatorial Chemistry and Drug Discovery of Jilin University, The School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, P. R. China
| | - Xin Che
- The Center for Combinatorial Chemistry and Drug Discovery of Jilin University, The School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, P. R. China
| | - Zhuoqi Zhang
- The Center for Combinatorial Chemistry and Drug Discovery of Jilin University, The School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, P. R. China
| | - Jinbao Xiang
- The Center for Combinatorial Chemistry and Drug Discovery of Jilin University, The School of Pharmaceutical Sciences, Jilin University, 1266 Fujin Road, Changchun, Jilin 130021, P. R. China
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Ma H, Cheng B, Montanari F, Lue JK, Deng C, Marchi E, O' Connor OA, Sawas A. Low dose continuous lenalidomide in heavily pretreated patients with relapsed or refractory classical Hodgkin lymphoma: a retrospective case series. Ther Adv Hematol 2020; 11:2040620720947340. [PMID: 33062232 PMCID: PMC7534065 DOI: 10.1177/2040620720947340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 06/25/2020] [Indexed: 11/15/2022] Open
Abstract
Patients with relapsed or refractory (R/R) classical Hodgkin lymphoma (cHL) following autologous stem cell transplant (ASCT) remain a management challenge with few reliably effective treatments. Lenalidomide, an immunomodulatory drug approved for patients with myelodysplastic syndrome with del(5q), multiple myeloma, and mantle cell lymphoma, has demonstrated some activity in patients with R/R cHL, though the toxicity of traditional doses and schedules has been a barrier to consistent use. Low dose continuous (LDC) schedules have emerged as promising, with a more favorable safety profile. We report herein that LDC schedules are associated with a far more tolerable toxicity profile, and exhibit at least equivalent efficacy in this patient population. We report that patients diagnosed with R/R cHL who previously underwent, or were not candidates for, ASCT and/or clinical trials, were administered daily LDC lenalidomide (20 mg orally with dose reduction for toxicity). Among the 19 patients included in this analysis, 11% of patients achieved a partial response (PR), with no documented complete responses (CR). A total of 12 (63%) patients maintained stable disease (SD), with 7 patients (37%) remaining in SD for more than 6 months. The clinical benefit rate (comprised of CR, PR, and SD for greater than 6 months) was 47% (7 out of 19 patients). The median progression-free survival and overall survival of all patients were 9.4 months (range, 4.6–14.4 months) and 90 months (range, 63.6–166.8 months), respectively. In general, the treatment was well tolerated, with grade 3 or 4 adverse events consisting of neutropenia (n = 4), and one case each of thrombocytopenia, fatigue, rash, creatinine elevation, aspartate transaminase/alanine transaminase elevation, and treatment related secondary malignancy. In a heavily treated R/R cHL patient population, daily LDC lenalidomide was associated with a high disease control rate with a favorable toxicity profile.
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Affiliation(s)
- Helen Ma
- Center for Lymphoid Malignancies, Columbia University Irving Medical Center, New York, NY, USA
| | - Bin Cheng
- Department of Statistics, Columbia University Irving Medical Center, New York, NY, USA
| | - Francesca Montanari
- Center for Lymphoid Malignancies, Columbia University Irving Medical Center, New York, NY, USA
| | - Jennifer K Lue
- Center for Lymphoid Malignancies, Columbia University Irving Medical Center, New York, NY, USA
| | - Changchun Deng
- Center for Lymphoid Malignancies, Columbia University Irving Medical Center, New York, NY, USA
| | - Enrica Marchi
- Center for Lymphoid Malignancies, Columbia University Irving Medical Center, New York, NY, USA
| | - Owen A O' Connor
- Center for Lymphoid Malignancies, Columbia University Irving Medical Center, New York, NY, USA
| | - Ahmed Sawas
- Center for Lymphoid Malignancies, Columbia University Irving Medical Center, 51 West 51st Street Suite 200, New York, NY 10019, USA
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Gopinath R, Narenderan ST, Kumar M, Babu B. Development and validation of a liquid chromatography-tandem mass spectrometric method for the determination of lenalidomide in human plasma and its application on bioequivalence studies. J Anal Sci Technol 2019. [DOI: 10.1186/s40543-019-0195-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
AbstractA simple, sensitive, and specific liquid chromatography-tandem mass spectrophotometry (LC-MS/MS) method was developed and validated for the quantification of lenalidomide in human plasma. The separation was carried out on a symmetry, C18, 5-μm (50 × 4.6 mm) column as stationary phase and with an isocratic mobile phase of 0.1% formic acid in water-methanol in the ratio of (15:85, v/v) at a flow rate of 0.5 mL/min. Protonated ions formed by electrospray ionization in the positive mode were used to detect analyte and fluconazole (internal standard). The mass detection was made by monitoring the fragmentation of m/z 260.1/148.8 for lenalidomide and m/z 307.1/238.0 for internal standard on a triple quadrupole mass spectrometer. The developed method was validated over the concentration range of 10–1000 ng/mL for lenalidomide in human plasma with a correlation coefficient (r2) was 0.9930. The accuracy and precision values obtained from six different sets of quality control samples analyzed on separate occasions ranged from 99.41 to 106.97% and 2.88 to 4.22%, respectively. Mean extraction recoveries were 98.06% and 88.78% for the analyte and IS, respectively. The developed method was successfully applied for analyzing lenalidomide in human plasma samples.
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Dada R. Lenalidomide Maintenance after R-CHOP Therapy in Diffuse Large B-Cell Lymphoma: Can It Be a Standard of Care. Acta Haematol 2017; 138:216-220. [PMID: 29212067 DOI: 10.1159/000484515] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 10/24/2017] [Indexed: 01/02/2023]
Abstract
Diffuse large B-cell lymphoma is an aggressive non-Hodgkin lymphoma subtype which requires immediate treatment. Standard treatment is usually a combined immune chemotherapy with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP). Since R-CHOP was approved, several attempts to combine it with novel agents and/or use them as maintenance therapy failed to improve the outcome. Recently, maintenance with lenalidomide after standard immune chemotherapy showed promising results. This review discusses the most pertinent published and running studies, analyzing study design, results, and practicality.
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Affiliation(s)
- Reyad Dada
- King Faisal Specialist Hospital and Research Center, Jeddah, and College of Medicine, Al-Faisal University, Riyadh, Kingdom of Saudi Arabia
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Chan AC, Neeson P, Leeansyah E, Tainton K, Quach H, Prince HM, Harrison SJ, Godfrey DI, Ritchie D, Berzins SP. Natural killer T cell defects in multiple myeloma and the impact of lenalidomide therapy. Clin Exp Immunol 2014; 175:49-58. [PMID: 24032527 DOI: 10.1111/cei.12196] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/21/2013] [Indexed: 12/29/2022] Open
Abstract
The causes of multiple myeloma (MM) remain obscure and there are few known risk factors; however, natural killer T (NKT) cell abnormalities have been reported in patients with MM, and therapeutic targeting of NKT cells is promoted as a potential treatment. We characterized NKT cell defects in treated and untreated patients with MM and determined the impact of lenalidomide therapy on the NKT cell pool. Lenalidomide is an immunomodulatory drug with co-stimulatory effects on NKT cells in vitro and is an approved treatment for MM, although its mode of action in that context is not well defined. We find that patients with relapsed/progressive MM had a marked deficiency in NKT cell numbers. In contrast, newly diagnosed patients had relatively normal NKT cell frequency and function prior to treatment, although a specific NKT cell deficiency emerged after high-dose melphalan and autologous stem cell transplantation (ASCT) regimen. This also impacted NK cells and conventional T cells, but the recovery of NKT cells was considerably delayed, resulting in a prolonged, treatment-induced NKT cell deficit. Longitudinal analysis of individual patients revealed that lenalidomide therapy had no in-vivo impact on NKT cell numbers or cytokine production, either as induction therapy, or as maintenance therapy following ASCT, indicating that its clinical benefits in this setting are independent of NKT cell modulation.
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Affiliation(s)
- A C Chan
- Department of Microbiology and Immunology, University of Melbourne, Parkville, Vic., Australia
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Torino F, Barnabei A, Paragliola R, Baldelli R, Appetecchia M, Corsello SM. Thyroid dysfunction as an unintended side effect of anticancer drugs. Thyroid 2013; 23:1345-66. [PMID: 23750887 DOI: 10.1089/thy.2013.0241] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Several of the currently used anticancer drugs may variably affect thyroid function, with impairment ranging from modified total but not free concentration of thyroid hormones to overt thyroid disease. SUMMARY Cytotoxic agents seem to alter thyroid function in a relatively small proportion of adult patients. Anticancer hormone drugs may mainly alter serum levels of thyroid hormone-binding proteins without clinically relevant thyroid dysfunction. Old immunomodulating drugs, such as interferon-α and interleukin-2, are known to induce variably high incidence of autoimmune thyroid dysfunction. Newer immune checkpoint inhibitors, such as anti-CTLA4 monoclonal antibodies, are responsible for a relatively low incidence of thyroiditis and may induce secondary hypothyroidism resulting from hypophysitis. Central hypothyroidism is a well-recognized side effect of bexarotene. Despite their inherent selectivity, tyrosine kinase inhibitors may cause high rates of thyroid dysfunction. Notably, thyroid toxicity seems to be restricted to tyrosine kinase inhibitors targeting key kinase-receptors in angiogenic pathways, but not other kinase-receptors (e.g., epidermal growth factor receptors family or c-KIT). In addition, a number of these agents may also increase the levothyroxine requirement in thyroidectomized patients. CONCLUSIONS The pathophysiology of thyroid toxicity induced by many anticancer agents is not fully clarified and for others it remains speculative. Thyroid dysfunction induced by anticancer agents is generally manageable and dose reduction or discontinuation of these agents is not required. The prognostic relevance of thyroid autoimmunity, overt and subclinical hypothyroidism induced by anticancer drugs, the value of thyroid hormone replacement in individuals with abnormal thyrotropin following anticancer systemic therapy, and the correct timing of replacement therapy in cancer patients need to be defined more accurately in well-powered prospective clinical trials.
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Affiliation(s)
- Francesco Torino
- 1 Department of Systems Medicine, Tor Vergata University of Rome , Rome, Italy
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Khalil NY, Darwish IA, Wani TA, Al-Majed ARA. Trace determination of lenalidomide in plasma by non-extractive HPLC procedures with fluorescence detection after pre-column derivatization with fluorescamine. Chem Cent J 2013; 7:52. [PMID: 23497635 PMCID: PMC3618069 DOI: 10.1186/1752-153x-7-52] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2012] [Accepted: 02/11/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Lenalidomide (LND) is a new potent drug used for treatment of multiple myeloma. For its pharmacokinetic studies and therapeutic monitoring, a proper analytical method was required. RESULTS In this study, a non extractive and simple pre-column derivatization procedures have been proposed, for the for trace determination of lenalidomide (LND) in human plasma by HPLC with fluorescence detection. Plasma samples were treated with acetonitrile for protein precipitation then treated with copper acetate to form stable complexes with the biogenic amines and mask their interference with the derivatization reaction of LND. Treated plasma samples containing LND was derivatized with fluorescamine (FLC) in aqueous media at ambient temperature. Separation of the derivatized LND was performed on Hypersil BDS C18 column (250 × 4.6 mm, 5 μm particle size) using a mobile phase consisting of phosphate buffer (pH 4):methanol: tetrahydrofuran (70:10:20, v/v) at a flow rate of 1.0 mL/min. The derivatized samples were monitored at an emission wavelength of 495 nm after excitation at a wavelength of 382 nm. Under the optimum chromatographic conditions, a linear relationship with good correlation coefficient (r = 0.9997, n = 9) was found between the peak area and LND concentrations in the range of 2-100 ng/mL. The limits of detection and quantitation were 0.8 and 2.30 ng/mL, respectively. The intra- and inter-assay precisions were satisfactory and the accuracy of the method was proved. The recovery of LND from the spiked human plasma was 99.30 ± 2.88. CONCLUSIONS The proposed method had high throughput as the analysis involved simple sample pre-treatment procedure and a relatively short run-time (< 15 min). The results demonstrated that the method would have a great value when it is applied in the therapeutic monitoring and pharmacokinetic studies for LND.
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Affiliation(s)
- Nasr Y Khalil
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P,O, Box 2457, Riyadh, 11451, Saudi Arabia.
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Iqbal M, Wani TA, Khalil NY, Darwish IA. Development and validation of ultra-performance liquid chromatographic method with tandem mass spectrometry for determination of lenalidomide in rabbit and human plasma. Chem Cent J 2013; 7:7. [PMID: 23316845 PMCID: PMC3608328 DOI: 10.1186/1752-153x-7-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2012] [Accepted: 01/10/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Lenalidomide (LND) is a potent novel thalidomide analog which demonstrated remarkable clinical activity in treatment of multiple myeloma disease via a multiple-pathways mechanism. Validated sensitive method with high throughput is required for the determination of lenalidomide for pharmacokinetics and toxicokinetic studies. Ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) is a preeminent analytical tool for rapid biomedical analysis. RESULTS A simple, highly sensitive UPLC-MS/MS method was developed and validated for the determination of LND in rabbit and human plasma. After a simple protein precipitation using methanol, LND and carbamazepine (IS) were separated on Acquity UPLC BEH™ C18 column (50 × 2.1 mm, i.d. 1.7 μm, Waters, USA) using a mobile phase consisted of acetonitrile:water:formic acid (65:35:0.1%, v/v/v) pumped at a flow rate of 0.2 mL/min. LND and IS were eluted at 0.71 and 1.92 min, respectively. The mass spectrometric determination was carried out using an electrospray interface operated in the positive mode with multiple reaction monitoring (MRM) mode. The precursor to product ion transitions of m/z 260.1 > 149.0 and m/z 237.0 > 179.0 were used to quantify LND and IS, respectively. The method was linear in the concentration range of 0.23-1000 ng/mL with a limit of quantitation of 0.23 ng/mL. All the validation parameters were in the ranges acceptable by the guidelines of analytical method validation. CONCLUSION The proposed UPLC-MS/MS method is simple, rapid and highly sensitive, and hence it could be reliable for pharmacokinetic and toxicokinetic study in both animals and humans.
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Affiliation(s)
- Muzaffar Iqbal
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, 11451, Riyadh, Saudi Arabia
| | - Tanveer A Wani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, 11451, Riyadh, Saudi Arabia
| | - Nasr Y Khalil
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, 11451, Riyadh, Saudi Arabia
| | - Ibrahim A Darwish
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, 11451, Riyadh, Saudi Arabia
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Darwish IA, Alzoman NZ, Abuhejail RM, El-Samani TE. Synthesis of hapten and preparation of specific polyclonal antibody with high affinity for lenalidomide, the potent drug for treatment of multiple myeloma. Chem Cent J 2012; 6:125. [PMID: 23101764 PMCID: PMC3496571 DOI: 10.1186/1752-153x-6-125] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2012] [Accepted: 10/23/2012] [Indexed: 11/18/2022] Open
Abstract
UNLABELLED BACKGROUND For therapeutic monitoring and pharmacokinetic studies of lenalidomide (LND), the potent drug for treatment of multiple myeloma (MM), a specific antibody was required for the development of a sensitive immunoassay system for the accurate determination of LND in plasma. RESULTS In this study, a hapten of LND (N-glutaryl-LND) was synthesized by introducing the glutaryl moiety, as a spacer, into the primary aromatic amine site of the LND molecular structure. The structure of the hapten (G-LND) was confirmed by mass, 1H-NMR, and 13C spectrometric techniques. G-LND was coupled to each of bovine serum albumin (BSA) and keyhole limpet hemocyanin (KLH) proteins by ethyl-3-(3-dimethylaminopropyl) carbodiimide as a coupling reagent. LND-KLH conjugate was used as an immunogen. Four female 2-3 months old New Zealand white rabbits were immunized with an emulsion of LND-KLH with Freund`s adjuvant. The immune response of the rabbits was monitored by direct enzyme-linked immunosorbent assay (ELISA) using LND-BSA immobilized onto microwell plates as a solid phase. The rabbit that showed the highest antibody titer and affinity to LND was scarified and its sera were collected. The IgG fraction was isolated and purified by affinity chromatography on protein A column. The specificity of the purified antibody for LND was evaluated by indirect competitive ELISA using dexamethasone as a competitor as it is used with LND in a combination therapy. CONCLUSIONS The high affinity of the antibody (IC50 = 10 ng/mL) will be useful in the development of an immunoassay system for the determination of plasma LND concentrations. Current research is going to optimize the assay conditions and validate the procedures for the routine application in clinical laboratories.
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Affiliation(s)
- Ibrahim A Darwish
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Nourh Z Alzoman
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Reem M Abuhejail
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Tilal E El-Samani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
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Darwish IA, Khalil NY, Bakheit AH, Alzoman NZ. A highly sensitive fluorimetric method for determination of lenalidomide in its bulk form and capsules via derivatization with fluorescamine. Chem Cent J 2012; 6:118. [PMID: 23068782 PMCID: PMC3537752 DOI: 10.1186/1752-153x-6-118] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Accepted: 10/11/2012] [Indexed: 11/10/2022] Open
Abstract
UNLABELLED BACKGROUND Lenalidomide (LND) is a potent novel thalidomide analog which demonstrated remarkable clinical activity in treatment of multiple myeloma disease via a multiple-pathways mechanism. The strong evidences-based clinical success of LND in patients has led to its recent approval by US-FDA under the trade name of Revlimid® capsules by Celgene Corporation. Fluorimetry is a convenient technique for pharmaceutical quality control, however there was a fluorimetric method for determination of LND in its bulk and capsules. RESULTS A novel highly sensitive and simple fluorimetric method has been developed and validated for the determination of lenalidmide (LND) in its bulk and dosage forms (capsules). The method was based on nucleophilic substitution reaction of LND with fluorescamine (FLC) in aqueous medium to form a highly fluorescent derivative that was measured at 494 nm after excitation at 381 nm. The factors affecting the reaction were carefully studied and optimized. The kinetics of the reaction was investigated, and the reaction mechanism was postulated. Under the optimized conditions, linear relationship with good correlation coefficient (0.9999) was found between the fluorescence intensity and LND concentration in the range of 25-300 ng/mL. The limits of detection and quantitation for the method were 2.9 and 8.7 ng/mL, respectively. The precision of the method was satisfactory; the values of relative standard deviations did not exceed 1.4%. The proposed method was successfully applied to the determination of LND in its bulk form and pharmaceutical capsules with good accuracy; the recovery values were 97.8-101.4 ± 1.08-2.75%. CONCLUSIONS The proposed method is selective and involved simple procedures. In conclusion, the method is practical and valuable for routine application in quality control laboratories for determination of LND.
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Affiliation(s)
- Ibrahim A Darwish
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University,, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Nasr Y Khalil
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University,, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Ahmed H Bakheit
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University,, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Nourh Z Alzoman
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University,, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
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Dimeski G, Wood P. Sudden significant total protein concentration change: not an analytical problem. J Clin Lab Anal 2011; 25:330-1. [PMID: 21919066 DOI: 10.1002/jcla.20478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Goce Dimeski
- Department of Chemical Pathology, Pathology Queensland, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia.
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Berzins SP, Smyth MJ, Baxter AG. Presumed guilty: natural killer T cell defects and human disease. Nat Rev Immunol 2011; 11:131-42. [PMID: 21267014 DOI: 10.1038/nri2904] [Citation(s) in RCA: 276] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Natural killer T (NKT) cells are important regulatory lymphocytes that have been shown in mouse studies, to have a crucial role in promoting immunity to tumours, bacteria and viruses, and in suppressing cell-mediated autoimmunity. Many clinical studies have indicated that NKT cell deficiencies and functional defects might also contribute to similar human diseases, although there is no real consensus about the nature of the NKT cell defects or whether NKT cells could be important for the diagnosis and/or treatment of these conditions. In this Review, we describe the approaches that have been used to analyse the NKT cell populations of various patient groups, suggest new strategies to determine how (or indeed, if) NKT cell defects contribute to human disease, and discuss the prospects for using NKT cells for therapeutic benefit.
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Affiliation(s)
- Stuart P Berzins
- Department of Microbiology & Immunology, University of Melbourne, Parkville, Victoria 3010, Australia.
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Chan AC, Neeson P, Leeansyah E, Tainton K, Quach H, Prince HM, Godfrey DI, Ritchie D, Berzins SP. Testing the NKT cell hypothesis in lenalidomide-treated myelodysplastic syndrome patients. Leukemia 2010; 24:592-600. [PMID: 20072154 DOI: 10.1038/leu.2009.279] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Myelodysplastic syndrome (MDS) comprises a group of clonal bone marrow disorders characterized by ineffective hematopoiesis and increased predisposition to acute myeloid leukemia. The causes of MDS remain poorly defined, but several studies have reported the NKT cell compartment of patients with MDS is deficient in number and functionally defective. In support of a central role for NKT cells, a pilot clinical study reported that lenalidomide (an approved treatment for MDS) increased NKT cell numbers in patients with MDS, and several in vitro studies showed lenalidomide specifically promoted NKT cell proliferation and cytokine production. We tested this in a much larger study and confirm a moderate in vitro augmentation of some NKT cell functions by lenalidomide, but find no impact on the NKT cell compartment of patients treated with lenalidomide, despite a consistently positive clinical response. We further show that the frequency and cytokine production of NKT cells is normal in patients with MDS before treatment and remains stable throughout 10 months of lenalidomide therapy. Collectively, our data challenge the concept that NKT cell defects contribute to the development of MDS, and show that a clinical response to lenalidomide is not dependent on modulation of NKT cell frequency or function.
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Affiliation(s)
- A C Chan
- Department of Microbiology and Immunology, University of Melbourne, Parkville, Victoria, Australia
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