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Blanchet B, Xu-Vuilard A, Jouinot A, Puisset F, Combarel D, Huillard O, Le Louedec F, Thomas F, Teixeira M, Flippot R, Mourey L, Albiges L, Pudlarz T, Joly C, Tournigand C, Chauvin J, Puszkiel A, Chatelut E, Decleves X, Vidal M, Goldwasser F, Oudard S, Medioni J, Vano YA. Exposure-response relationship of cabozantinib in patients with metastatic renal cell carcinoma treated in routine care. Br J Cancer 2024; 130:961-969. [PMID: 38272963 PMCID: PMC10950854 DOI: 10.1038/s41416-024-02585-y] [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: 09/28/2023] [Revised: 01/08/2024] [Accepted: 01/12/2024] [Indexed: 01/27/2024] Open
Abstract
BACKGROUND Interindividual pharmacokinetic variability may influence the clinical benefit or toxicity of cabozantinib in metastatic renal cell carcinoma (mRCC). We aimed to investigate the exposure-toxicity and exposure-response relationship of cabozantinib in unselected mRCC patients treated in routine care. METHODS This ambispective multicenter study enrolled consecutive patients receiving cabozantinib in monotherapy. Steady-state trough concentration (Cmin,ss) within the first 3 months after treatment initiation was used for the PK/PD analysis with dose-limiting toxicity (DLT) and survival outcomes. Logistic regression and Cox proportional-hazards models were used to identify the risk factors of DLT and inefficacy in patients, respectively. RESULTS Seventy-eight mRCC patients were eligible for the statistical analysis. Fifty-two patients (67%) experienced DLT with a median onset of 2.1 months (95%CI 0.7-8.2). In multivariate analysis, Cmin,ss was identified as an independent risk factor of DLT (OR 1.46, 95%CI [1.04-2.04]; p = 0.029). PFS and OS were not statistically associated with the starting dose (p = 0.81 and p = 0.98, respectively). In the multivariate analysis of PFS, Cmin, ss > 336 ng/mL resulted in a hazard ratio of 0.28 (95%CI, 0.10-0.77, p = 0.014). By contrast, Cmin, ss > 336 ng/mL was not statistically associated with longer OS. CONCLUSION Early plasma drug monitoring may be useful to optimise cabozantinib treatment in mRCC patients treated in monotherapy, especially in frail patients starting at a lower than standard dose.
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Affiliation(s)
- Benoit Blanchet
- Université de Paris, CNRS, INSERM, CiTCoM, U1268, F-75006, Paris, France.
- Biologie du Médicament - Toxicologie, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France.
- Groupe de Pharmacologie Clinique Oncologique GPCO-Unicancer, Paris, France.
| | - Alexandre Xu-Vuilard
- Department of Medical Oncology, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Georges Pompidou, Paris, France
| | - Anne Jouinot
- Department of Medical Oncology, ARIANE, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
- Université Paris Cité, Institut Cochin, Inserm U1016, CNRS UMR8104, Paris, France
| | - Florent Puisset
- Groupe de Pharmacologie Clinique Oncologique GPCO-Unicancer, Paris, France
- Oncopole Claudius-Regaud, Institut Universitaire du Cancer de Toulouse-Oncopole, 31059, Toulouse, France
| | - David Combarel
- Groupe de Pharmacologie Clinique Oncologique GPCO-Unicancer, Paris, France
- Department of Medical Biology and Pathology, Gustave Roussy, Villejuif, France
- Faculté de pharmacie, Université Paris Saclay, Orsay, France
- Medical School, University of Paris XI, Saclay, France
| | - Olivier Huillard
- Department of Medical Oncology, ARIANE, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
| | - Félicien Le Louedec
- Groupe de Pharmacologie Clinique Oncologique GPCO-Unicancer, Paris, France
- Oncopole Claudius-Regaud, Institut Universitaire du Cancer de Toulouse-Oncopole, 31059, Toulouse, France
| | - Fabienne Thomas
- Groupe de Pharmacologie Clinique Oncologique GPCO-Unicancer, Paris, France
- Oncopole Claudius-Regaud, Institut Universitaire du Cancer de Toulouse-Oncopole, 31059, Toulouse, France
- CRCT, Cancer Research Center of Toulouse, Inserm U1037, Université Paul Sabatier, 31037, Toulouse, France
| | - Marcus Teixeira
- Department of Oncological Medicine, Gustave Roussy, Villejuif, France
- Medical School, University of Paris XI Saclay, Saclay, France
| | - Ronan Flippot
- Department of Oncological Medicine, Gustave Roussy, Villejuif, France
- Medical School, University of Paris XI Saclay, Saclay, France
- Laboratoire d'immunomonitoring en oncologie, CNRS3655 & INSERM US23, Université Paris Saclay, Paris, France
| | - Loic Mourey
- Oncopole Claudius-Regaud, Institut Universitaire du Cancer de Toulouse-Oncopole, 31059, Toulouse, France
| | - Laurence Albiges
- Department of Oncological Medicine, Gustave Roussy, Villejuif, France
- Medical School, University of Paris XI Saclay, Saclay, France
| | - Thomas Pudlarz
- Department of Medical Oncology, Assistance Publique Hôpitaux de Paris, Hôpital Saint Antoine, Paris, France
| | - Charlotte Joly
- Department of Medical Oncology, Assistance Publique Hôpitaux de Paris, Hôpital Henri Mondor, Université de Paris Est, Créteil, France
| | - Christophe Tournigand
- Department of Medical Oncology, Assistance Publique Hôpitaux de Paris, Hôpital Henri Mondor, Université de Paris Est, Créteil, France
| | | | - Alicja Puszkiel
- Biologie du Médicament - Toxicologie, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
- Groupe de Pharmacologie Clinique Oncologique GPCO-Unicancer, Paris, France
- Université Paris Cité, Inserm, UMR-S1144, Paris, France
| | - Etienne Chatelut
- Groupe de Pharmacologie Clinique Oncologique GPCO-Unicancer, Paris, France
- Oncopole Claudius-Regaud, Institut Universitaire du Cancer de Toulouse-Oncopole, 31059, Toulouse, France
- CRCT, Cancer Research Center of Toulouse, Inserm U1037, Université Paul Sabatier, 31037, Toulouse, France
| | - Xavier Decleves
- Biologie du Médicament - Toxicologie, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
- Groupe de Pharmacologie Clinique Oncologique GPCO-Unicancer, Paris, France
- Université Paris Cité, Inserm, UMR-S1144, Paris, France
| | - Michel Vidal
- Université de Paris, CNRS, INSERM, CiTCoM, U1268, F-75006, Paris, France
- Biologie du Médicament - Toxicologie, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
| | - François Goldwasser
- Department of Medical Oncology, ARIANE, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Cochin, Paris, France
| | - Stéphane Oudard
- Department of Medical Oncology, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Georges Pompidou, Paris, France
- Université de Paris Cité, INSERM U970, PARCC, Paris, France
| | - Jacques Medioni
- Department of Medical Oncology, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Georges Pompidou, Paris, France
| | - Yann-Alexandre Vano
- Department of Medical Oncology, Institut du Cancer Paris CARPEM, Assistance Publique Hôpitaux de Paris, Hôpital Georges Pompidou, Paris, France
- Université de Paris Cité, UMR_S1138-INSERM, Paris, France
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Gross-Goupil M, Bodnar L, Campbell MT, Michael A, Venugopal B, Żołnierek J, Dutailly P, Procopio G, Albiges L. Cabozantinib in the Routine Management of Renal Cell Carcinoma: A Systematic Literature Review of Real-World Evidence. Clin Genitourin Cancer 2024; 22:84-97. [PMID: 38101983 DOI: 10.1016/j.clgc.2023.11.001] [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: 10/05/2023] [Revised: 11/01/2023] [Accepted: 11/02/2023] [Indexed: 12/17/2023]
Abstract
Real-world cabozantinib use has increased since its approval to treat patients with advanced renal cell carcinoma (RCC) in 2016. We reviewed cabozantinib use in real-world clinical practice and compared outcomes with pivotal cabozantinib randomized control trials (RCTs). This PRISMA-standard systematic literature review evaluated real-world effectiveness and tolerability of cabozantinib in patients with RCC (PROSPERO registration: CRD42021245854). Systematic MEDLINE, Embase, and Cochrane database searches were conducted on November 2, 2022. Eligible publications included ≥ 20 patients with RCC receiving cabozantinib. After double-screening for eligibility, standardized data were abstracted, qualitatively summarized, and assessed for risk of bias using the Newcastle-Ottawa Scale. Of 353 screened publications, 41 were included, representing approximately 11,000 real-world patients. Most publications reported cabozantinib monotherapy cohort studies (40/41) of retrospective (39/41) and multicenter (32/41) design; most included patients from North America and/or Europe (30/41). Baseline characteristics were demographically similar between real-world and pivotal RCT populations, but real-world populations showed greater variation in prevalence of prior nephrectomy, multiple-site/brain metastasis, and nonclear-cell RCC histology. Cabozantinib activity was reported across real-world treatment lines and tumor types. Overall survival, progression-free survival, and objective response rate values from pivotal RCTs were within the ranges reported for equivalent outcomes across real-world studies. Common real-world grade ≥ 3 adverse events were consistent with those in pivotal RCTs (fatigue, palmar-plantar erythrodysesthesia syndrome, diarrhea, hypertension), but less frequent. No new tolerability concerns were identified. Real-world RCC survival outcomes for cabozantinib monotherapy were broadly consistent with pivotal RCTs, despite greater heterogeneity in real-world populations.
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Affiliation(s)
| | - Lubomir Bodnar
- University of Natural Sciences and Humanities in Siedlce, Institute of Health Sciences, Siedlce, Poland
| | | | - Agnieszka Michael
- University of Surrey, School of Biosciences and Medicine, Guildford, UK
| | - Balaji Venugopal
- Beatson West of Scotland Cancer Centre and University of Glasgow, Glasgow, UK
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Borriello R, Cerrito L, Gasbarrini A, Ponziani FR. Pharmacokinetic considerations for angiogenesis inhibitors used to treat hepatocellular carcinoma: an overview. Expert Opin Drug Metab Toxicol 2023; 19:785-794. [PMID: 37847538 DOI: 10.1080/17425255.2023.2272598] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 10/16/2023] [Indexed: 10/18/2023]
Abstract
INTRODUCTION Hepatocellular carcinoma (HCC) is the fifth malignancy in terms of frequency and the fourth malignancy in terms of cancer-related death worldwide. Systemic therapy of advanced HCC has probably gone through the greatest wave of change in the last decade, with the introduction of several anti-angiogenic drugs and immune checkpoint inhibitors, able to significantly improve patients' prognosis. AREAS COVERED In this review, we summarize the pharmacokinetic characteristic of the antiangiogenic drugs currently approved for the treatment of HCC, from oral tyrosine kinase inhibitors (sorafenib, lenvatinib, regorafenib and cabozantinib) to monoclonal antibodies (bevacizumab and ramucirumab), focusing on the main aspects that differ among compounds from the same class, on factors that can exert an influence on pharmacokinetic parameters and the main issues that could limit their clinical use. EXPERT OPINION Anti-angiogenic drugs have different profiles in terms of bioavailability, metabolism, elimination and interindividual variability in their pharmacokinetics and effectiveness. More studies should be developed to address the intrinsic and extrinsic factors influencing pharmacokinetics parameters to improve the individual therapeutic response and, furthermore, to evaluate the benefit and the harm of systemic therapy for advanced HCC in selected patients with liver impairment.
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Affiliation(s)
- Raffaele Borriello
- Digestive Disease Center-CEMAD, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Lucia Cerrito
- Digestive Disease Center-CEMAD, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Antonio Gasbarrini
- Digestive Disease Center-CEMAD, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Francesca Romana Ponziani
- Digestive Disease Center-CEMAD, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
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Yasu T, Gando Y, Nishijima R, Ikuta R, Suzuki M, Shirota M. Plasma Cabozantinib Level Measurement in Patients with Renal Cell and Hepatocellular Carcinomas Using a Simple HPLC-UV Method Suitable for Clinical Application. Curr Oncol 2023; 30:4871-4879. [PMID: 37232825 DOI: 10.3390/curroncol30050367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/02/2023] [Accepted: 05/06/2023] [Indexed: 05/27/2023] Open
Abstract
Cabozantinib, which is used to treat renal cell and hepatocellular carcinomas, is often associated with dose-dependent adverse events. Monitoring the levels of cabozantinib in the blood may maximize the therapeutic effect and prevent serious adverse events. In this study, we developed a high-performance liquid chromatography-ultraviolet (HPLC-UV) method of measuring plasma cabozantinib concentration. Human plasma samples (50 µL) were processed by simple deproteinization with acetonitrile, followed by chromatographic separation on a reversed-phase column with an isocratic mobile phase of 0.5% KH₂PO4 (pH 4.5) and acetonitrile (43:57, v/v) at a flow rate of 1.0 mL/min, with a 250 nm ultraviolet detector. The calibration curve was linear over the concentration range (0.05-5 µg/mL) with a coefficient of determination of 0.99999. The accuracy of the assay ranged from -4.35% to 0.98%, and recovery was >96.04%. The measurement time was 9 min. These findings confirm the effectiveness of this HPLC-UV method for cabozantinib quantification in human plasma, which is sufficiently simple for use for monitoring patients in clinical settings.
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Affiliation(s)
- Takeo Yasu
- Department of Medicinal Therapy Research, Pharmaceutical Education and Research Center, Meiji Pharmaceutical University, Tokyo 204-8588, Japan
- Bokutoh Hospital-Meiji Pharmaceutical University Joint Research Center, Tokyo 130-8575, Japan
| | - Yoshito Gando
- Department of Medicinal Therapy Research, Pharmaceutical Education and Research Center, Meiji Pharmaceutical University, Tokyo 204-8588, Japan
| | - Ryosuke Nishijima
- Department of Medicinal Therapy Research, Pharmaceutical Education and Research Center, Meiji Pharmaceutical University, Tokyo 204-8588, Japan
| | - Risa Ikuta
- Bokutoh Hospital-Meiji Pharmaceutical University Joint Research Center, Tokyo 130-8575, Japan
- Department of Clinical Laboratory, Tokyo Metropolitan Bokutoh Hospital, Tokyo 130-8575, Japan
| | - Motofumi Suzuki
- Department of Urology, Tokyo Metropolitan Bokutoh Hospital, Tokyo 130-8575, Japan
| | - Mikio Shirota
- Bokutoh Hospital-Meiji Pharmaceutical University Joint Research Center, Tokyo 130-8575, Japan
- Department of Pharmacy, Tokyo Metropolitan Bokutoh Hospital, Tokyo 130-8575, Japan
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Ben Ghezala I, Luu M, Bardou M. An update on drug-drug interactions associated with proton pump inhibitors. Expert Opin Drug Metab Toxicol 2022; 18:337-346. [PMID: 35787720 DOI: 10.1080/17425255.2022.2098107] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Proton pump inhibitors (PPIs) block the gastric H/K-ATPase, therefore inhibiting acid gastric secretion, leading to an increased pH (>4). They account for an extremely high number of prescriptions worldwide. Numerous drug-drug interactions have been described with PPIs, but all the described interactions do not have clinical significance. AREAS COVERED This review will discuss the latest updates on drug-drug interactions with PPIs, focusing on the last ten-year publications in the following areas: anti-infective agents, anticancer drugs, antiplatelet agents and anticoagulants, and antidiabetics. EXPERT OPINION Although pharmacokinetic interactions of PPIs have been described with many drugs, their clinical relevance remains controversial. However, given the extremely high number of people being treated with PPIs, clinicians should remain vigilant for interactions that may be clinically significant and require dose adjustment or therapeutic monitoring. Interestingly, not all PPIs have the same pharmacokinetic and pharmacodynamic profile, with some having a strong potential to inhibit CYP2C19, such as omeprazole, esomeprazole and lansoprazole, while others, pantoprazole, rabeprazole and dexlansoprazole, are weak CYP2C19 inhibitors. These may be preferred depending on co-prescribed treatments.In addition, new formulations have been developed to prevent some of the gastric pH-dependent drug interactions and should be evaluated in further large-scale prospective comparative studies.
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Affiliation(s)
- Inès Ben Ghezala
- INSERM, CIC1432, Plurithematic Unit, 21079 Dijon, France.,Centre d'Investigations Cliniques, Dijon Bourgogne University Hospital, 21079 Dijon, France.,Ophthalmology Department, Dijon Bourgogne University Hospital, 21079 Dijon, France
| | - Maxime Luu
- INSERM, CIC1432, Plurithematic Unit, 21079 Dijon, France.,Centre d'Investigations Cliniques, Dijon Bourgogne University Hospital, 21079 Dijon, France
| | - Marc Bardou
- INSERM, CIC1432, Plurithematic Unit, 21079 Dijon, France.,Centre d'Investigations Cliniques, Dijon Bourgogne University Hospital, 21079 Dijon, France.,Gastroenterology Department, Dijon Bourgogne University Hospital, 21079 Dijon, France
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Iaxx R, Lefort F, Domblides C, Ravaud A, Bernhard JC, Gross-Goupil M. An Evaluation of Cabozantinib for the Treatment of Renal Cell Carcinoma: Focus on Patient Selection and Perspectives. Ther Clin Risk Manag 2022; 18:619-632. [PMID: 35677148 PMCID: PMC9169675 DOI: 10.2147/tcrm.s251673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 05/22/2022] [Indexed: 12/09/2022] Open
Abstract
Cabozantinib is an oral tyrosine kinase inhibitor (TKI) with activity against several receptors involved in the angiogenesis pathway, including vascular endothelial growth factor receptor (VEGFR), c-MET and AXL. The antiangiogenic properties of cabozantinib led to its use as a monotherapy for the treatment of metastatic renal cell cancer (RCC), and quickly resulted in this treatment becoming part of the standard of care for these tumors. Since the advent of immune checkpoint inhibitors (ICIs), new standards of care have emerged in first-line settings, involving dual ICI or ICI–VEGF-TKI (including ICI–cabozantinib) combination treatments, and leading to a more complex algorithm of care. Cabozantinib remains an option in second-line settings and is still a first-line standard of care treatment in cases where the use of ICIs is contraindicated. This review focuses on the selection of patients who may benefit most from cabozantinib therapy, including those with bone and brain metastases and those with a non-clear cell RCC histology. The need to consider disease-related symptoms, comorbidities, age, drug interactions and biomarker analyses in the choice of therapeutic strategy is also highlighted. Finally, the perspectives for the use of cabozantinib in RCC treatment are discussed.
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Affiliation(s)
- Romain Iaxx
- Department of Medical Oncology, Hôpital Saint-André, Bordeaux University Hospital, Bordeaux, France
| | - Felix Lefort
- Department of Medical Oncology, Hôpital Saint-André, Bordeaux University Hospital, Bordeaux, France
- Bordeaux University, Bordeaux, France
| | - Charlotte Domblides
- Department of Medical Oncology, Hôpital Saint-André, Bordeaux University Hospital, Bordeaux, France
- Bordeaux University, Bordeaux, France
- ImmunoConcEpt, CNRS UMR 5164, Bordeaux University, Bordeaux, 33076, France
| | - Alain Ravaud
- Department of Medical Oncology, Hôpital Saint-André, Bordeaux University Hospital, Bordeaux, France
- Bordeaux University, Bordeaux, France
| | - Jean-Christophe Bernhard
- Bordeaux University, Bordeaux, France
- Department of Urology, Hôpital Pellegrin, Bordeaux University Hospital, Bordeaux, France
| | - Marine Gross-Goupil
- Department of Medical Oncology, Hôpital Saint-André, Bordeaux University Hospital, Bordeaux, France
- Correspondence: Marine Gross-Goupil, Hôpital Saint-André, 1 rue Jean Burguet, Bordeaux Cedex, 33076, France, Tel +33556795808, Fax +33556795896, Email
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Bridoux M, Simon N, Turpin A. Proton Pump Inhibitors and Cancer: Current State of Play. Front Pharmacol 2022; 13:798272. [PMID: 35359844 PMCID: PMC8963837 DOI: 10.3389/fphar.2022.798272] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 02/04/2022] [Indexed: 12/11/2022] Open
Abstract
Background: Proton pump inhibitors (PPIs) are one of the most widely used drugs worldwide and are overprescribed in patients with cancer; there is increasing evidence of their effects on cancer development and survival. The objective of this narrative review is to comprehensively identify cancer medications that have clinically meaningful drug–drug interactions (DDIs) with PPIs, including loss of efficacy or adverse effects, and to explore the association between PPIs and cancer.Methods: A PubMed search of English language studies published from 1 January 2016, to 1 June 2021 was conducted. The search terms included “proton pump inhibitors,” “cancer,” “chemotherapy,” “immunotherapy,” “hormonotherapies,” “targeted therapies,” “tyrosine kinase inhibitors,” and “gut microbiome”. Recent and relevant clinical trials, meta-analyses, and reviews were included.Results: PPIs may have pro-tumor activity by increasing plasma gastrin levels or anti-tumor activity by inhibiting V-ATPases. However, their impact on cancer survival remains unclear. PPIs may decrease the efficacy of some antineoplastic agents through direct DDIs (e.g., some tyrosine kinase inhibitors, capecitabine, irinotecan, methotrexate). More complex DDIs seem to exist for immunotherapies with indirect interactions through the microbiome. PPIs worsen hypomagnesemia, bone loss, iron, and vitamin B12 deficiencies but may have a protective effect on the renal system.Discussion/Conclusions: PPIs may interact with the cancer microbiome and the efficacy of various antineoplastic agents, although only a few DDIs involving PPIs are clinically significant. Further pharmaco-epidemiological studies are warranted, but physicians should be aware of the potential consequences of PPI use, which should be dose appropriate and prescribed according to guidelines.
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Affiliation(s)
- Marie Bridoux
- University of Lille, Lille, France
- Medical Oncology Department, Lille University Hospital, Lille, France
| | - Nicolas Simon
- CHU Lille, ULR 7365—GRITA—Groupe de Recherche sur les Formes Injectables et les Technologies Associées, University of Lille, Lille, France
| | - Anthony Turpin
- Medical Oncology Department, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, UMR9020—UMR-S 1277—CANTHER-Cancer Heterogeneity, Plasticity and Resistance to Therapies, CHU Lille, University of Lille, Lille, France
- *Correspondence: Anthony Turpin, , orcid.org/0000-0002-2282-0101
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Association of cabozantinib pharmacokinetics, progression and toxicity in metastatic renal cell carcinoma patients: results from a pharmacokinetics/pharmacodynamics study. ESMO Open 2021; 6:100312. [PMID: 34864351 PMCID: PMC8645912 DOI: 10.1016/j.esmoop.2021.100312] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/13/2021] [Accepted: 10/25/2021] [Indexed: 11/26/2022] Open
Abstract
Background Cabozantinib is a tyrosine kinase inhibitor with a substantial efficacy in metastatic renal cell carcinoma, and is associated with a challenging toxicity profile leading to frequent drug discontinuations. Whereas an exposure/safety relationship was demonstrated for this drug, an exposure/efficacy relationship is still unknown. Patients and methods We carried out a monocentric, observational, pharmacokinetics/pharmacodynamics (PK/PD) study in patients with metastatic renal cell carcinoma (INDS MR 5612140520). We used measured blood concentrations of cabozantinib (Cmeas) to determine the area under the curve (AUC), apparent clearance (Cl/F) and residual blood concentration (Ctrough). Best overall response according to RECIST 1.1 and relevant toxicity (adverse event grade 3-4 or grade 2 requiring dose reduction or discontinuation) were assessed according to Cmeas, Ctrough, AUC and Cl/F. Results We enrolled 76 patients, including 35 who experienced disease progression and 30 with grade 3-4 toxicity. Patients with progressive disease had a significantly lower median Ctrough (406 versus 634 ng/ml, P = 0.001), Cl/F (2 versus 2.9 l/h, P = 0.002) and AUC (16 versus 20 μg h/ml, P = 0.037) compared with patients who had disease control as best response. Patients with relevant toxicity had a significantly higher Cmeas (732 versus 531 ng/ml, P = 0.006), Ctrough (693 versus 521 ng/ml, P = 0.005) and AUC (21 versus 16 μg h/ml, P = 0.046) compared with patients who did not experience any grade relevant toxicity. Receiver operating characteristic curves obtained from our study defined a threshold for drug efficacy of 536.8 ng/ml and of 617.7 ng/ml for toxicity. Conclusion We first demonstrate the PK/PD relationship for cabozantinib. Severe toxicities are associated with a higher drug exposure, whereas inefficacy is associated with a lower drug exposure. Cabozantinib plasma drug monitoring may be useful to optimize clinical practice. Cabozantinib is a widely used TKI for mRCC for which there is no clearly noted pharmacokinetics/pharmacodynamics relationship. We demonstrated that a lower Ctrough AUC and a higher drug apparent clearance (Cl/F) are associated with progressive disease. We demonstrated that a dose-limiting toxicity is associated with a higher Ctrough and a lower clearance.
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