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Hamimed M, Devillier R, Weiller PJ, Marin C, Schiano JM, Belmecheri N, Etienne-Grimaldi MC, Ciccolini J, Harbi S. Life-threatening toxicities upon Pembrolizumab intake: could pharmacokinetics be the bad guy? Cancer Chemother Pharmacol 2024; 93:627-632. [PMID: 37957436 DOI: 10.1007/s00280-023-04611-x] [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: 07/15/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023]
Abstract
PURPOSE We report the case of an adult patient diagnosed with Hodgkin's lymphoma who was scheduled for Pembrolizumab after failure of standard therapy. After three well-tolerated courses of Pembrolizumab, a PET scan showed a favorable outcome and a fourth course of Pembrolizumab was started. Unexpectedly, extremely severe toxicities (i.e., autoimmune peripheral hypothyroidism, rhabdomyolysis and severe acute renal failure) occurred after this last course, requiring transfer to the intensive care unit. METHODS Therapeutic drug monitoring was performed to measure residual Pembrolizumab levels at intervals from the last dose (i.e., 120 and then 170 days), as well as pharmacogenetics investigations on the FCγR gene. RESULTS Pembrolizumab plasma concentrations that were still pharmacologically active months after the last administration, suggesting impaired elimination of Pembrolizumab in this patient. Further pharmacokinetic modeling based on the population approach showed that both half-life (47.8 days) and clearance (0.12 L/day) values were significantly different from the standard values usually reported in patients. Further in silico simulations showed that pharmacologically active concentrations of Pembrolizumab were maintained for up to 136 days after the last dose. The search for possible polymorphisms affecting the genes coding for FCγR (i.e., rs1801274 on FCGR2A and rs396991 on FCGR3A gene) was negative. Further TDM showed that Pembrolizumab could be detected up to 263 days after the last administration. CONCLUSION This case report suggests that persistent overexposure in plasma could lead to life-threatening toxicities with Pembrolizumab.
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MESH Headings
- Humans
- Antibodies, Monoclonal, Humanized/adverse effects
- Antibodies, Monoclonal, Humanized/pharmacokinetics
- Antibodies, Monoclonal, Humanized/administration & dosage
- Antineoplastic Agents, Immunological/adverse effects
- Antineoplastic Agents, Immunological/pharmacokinetics
- Antineoplastic Agents, Immunological/administration & dosage
- Drug Monitoring/methods
- Hodgkin Disease/drug therapy
- Male
- Acute Kidney Injury/chemically induced
- Rhabdomyolysis/chemically induced
- Receptors, IgG/genetics
- Hypothyroidism/chemically induced
- Adult
- Middle Aged
- Half-Life
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Affiliation(s)
- Mourad Hamimed
- SMARTc Unit, CRCM Inserm U1068, Aix Marseille Univ, Marseille, France
- COMPO, CRCM Inserm U1068 and INRIA Sophia Antipolis, Aix Marseille Univ, Marseille, France
| | | | | | - Clémence Marin
- SMARTc Unit, CRCM Inserm U1068, Aix Marseille Univ, Marseille, France
- Clinical Pharmacokinetics Laboratory, La Timone University Hospital of Marseille, Marseille, France
| | | | | | | | - Joseph Ciccolini
- SMARTc Unit, CRCM Inserm U1068, Aix Marseille Univ, Marseille, France.
- COMPO, CRCM Inserm U1068 and INRIA Sophia Antipolis, Aix Marseille Univ, Marseille, France.
- Clinical Pharmacokinetics Laboratory, La Timone University Hospital of Marseille, Marseille, France.
| | - Samia Harbi
- Hematology Unit, Paoli Calmettes Institute, Marseille, France
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2
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Mathiot L, Combarel D, Cagnat J, Delahousse J, Ouali K, Marabelle A, Loriot Y, Ponce S, Champiat S, Broutin S, Danlos FX. Phase 1 first-in-human dose-escalation study of ANV419 in patients with relapsed/refractory advanced solid tumors. J Immunother Cancer 2024; 12:e008847. [PMID: 38702147 PMCID: PMC11086524 DOI: 10.1136/jitc-2024-008847] [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] [Accepted: 04/23/2024] [Indexed: 05/06/2024] Open
Abstract
Patients with advanced cancer, previously treated with immune checkpoint blockade therapy, may retain residual treatment when undergoing the initial infusion of experimental monotherapy in phase 1 clinical trials. ANV419, an antibody-cytokine fusion protein, combines interleukin-2 (IL-2) with an anti-IL-2 monoclonal antibody, aiming to stimulate the expansion of CD8 T and natural killer lymphocytes while restricting regulatory T lymphocytes. In the recent publication of the phase 1 dose escalation study of ANV419, a notable gap exists in detailed information regarding patients' prior antitumoral treatments, specifically programmed death-1/programmed death-ligand 1 (PD-1/PD-L1) targeted monoclonal antibodies. Some patients likely retained residual anti-PD-1/PD-L1 monoclonal antibodies, potentially influencing the outcomes of ANV419. In a separate clinical cohort, we retrospectively measured the residual concentration of nivolumab and pembrolizumab, revealing persistent serum concentrations of anti-PD-1/PD-L1 antibodies even months after treatment cessation. This underscores the importance of comprehensively documenting prior immunotherapy details in clinical trials. Such information is crucial for understanding potential interactions that may impact both immunological and clinical effects.
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Affiliation(s)
- Laurent Mathiot
- Drug Development Department, Gustave Roussy, Villejuif, Île-de-France, France
| | - David Combarel
- Laboratoire de pharmacologie, Département de Biologie et Pathologie Médicales, Gustave Roussy, Villejuif, Île-de-France, France
- Faculté de pharmacie, Université Paris-Saclay, Orsay, France
| | - Justin Cagnat
- Drug Development Department, Gustave Roussy, Villejuif, Île-de-France, France
| | - Julia Delahousse
- Laboratoire de pharmacologie, Département de Biologie et Pathologie Médicales, Gustave Roussy, Villejuif, Île-de-France, France
| | - Kaissa Ouali
- Drug Development Department, Gustave Roussy, Villejuif, Île-de-France, France
| | - Aurelien Marabelle
- Drug Development Department, Gustave Roussy, Villejuif, Île-de-France, France
- Faculté de médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France
- U1015, INSERM, Villejuif, France
- Centre d'Investigations Cliniques Biothérapies pour une immunisation in situ (BIOTHERIS) CIC1428, INSERM, Villejuif, France
| | - Yohann Loriot
- Drug Development Department, Gustave Roussy, Villejuif, Île-de-France, France
- Faculté de médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France
- U981, INSERM, Villejuif, France
| | - Santiago Ponce
- Drug Development Department, Gustave Roussy, Villejuif, Île-de-France, France
| | - Stephane Champiat
- Drug Development Department, Gustave Roussy, Villejuif, Île-de-France, France
- U1015, INSERM, Villejuif, France
- Centre d'Investigations Cliniques Biothérapies pour une immunisation in situ (BIOTHERIS) CIC1428, INSERM, Villejuif, France
| | - Sophie Broutin
- Laboratoire de pharmacologie, Département de Biologie et Pathologie Médicales, Gustave Roussy, Villejuif, Île-de-France, France
- Faculté de pharmacie, Université Paris-Saclay, Orsay, France
| | - Francois-Xavier Danlos
- Drug Development Department, Gustave Roussy, Villejuif, Île-de-France, France
- Faculté de médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France
- U1015, INSERM, Villejuif, France
- Centre d'Investigations Cliniques Biothérapies pour une immunisation in situ (BIOTHERIS) CIC1428, INSERM, Villejuif, France
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3
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Puszkiel A, Bianconi G, Pasquiers B, Balakirouchenane D, Arrondeau J, Boudou-Rouquette P, Bretagne MC, Salem JE, Declèves X, Vidal M, Kramkimel N, Guegan S, Aractingi S, Huillard O, Alexandre J, Wislez M, Goldwasser F, Blanchet B. Extending the dosing intervals of nivolumab: model-based simulations in unselected cancer patients. Br J Cancer 2024; 130:1866-1874. [PMID: 38532102 PMCID: PMC11130267 DOI: 10.1038/s41416-024-02659-x] [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: 10/03/2023] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024] Open
Abstract
BACKGROUND Reducing nivolumab dose intensity could increase patients' life quality and decrease the financial burden while maintaining efficacy. The aims of this study were to develop a population PK model of nivolumab based on data from unselected metastatic cancer patients and to simulate extended-interval regimens allowing to maintain minimal effective plasma concentrations (MEPC). METHODS Concentration-time data (992 plasma nivolumab concentrations, 364 patients) were modeled using a two-compartment model with linear elimination clearance in Monolix software. Extended-interval regimens allowing to maintain steady-state trough concentrations (Cmin,ss) above the MEPC of 2.5 mg/L or 1.5 mg/L in >90% of patients were simulated. RESULTS Increasing 3-times the dosing interval from 240 mg every two weeks (Q2W) to Q6W and 2-times from 480 mg Q4W to Q8W resulted in Cmin,ss above 2.5 mg/L in 95.8% and 95.4% of patients, respectively. 240 mg Q8W and 480 mg Q10W resulted in Cmin,ss above 1.5 mg/L in 91.0% and 91.8% of patients, respectively. Selection of a 240 mg Q6W regimen would decrease by 3-fold the annual treatment costs compared to standard regimen of 240 mg Q2W (from 78,744€ to 26,248€ in France). CONCLUSIONS Clinical trials are warranted to confirm the non-inferiority of extended-interval compared to standard regimen.
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Affiliation(s)
- Alicja Puszkiel
- Université Paris Cité, Faculté de Pharmacie de Paris, INSERM UMR-S1144, Paris, France.
- Biologie du Médicament - Toxicologie, Cochin University Hospital, AP-HP, Paris, France.
| | - Guillaume Bianconi
- Biologie du Médicament - Toxicologie, Cochin University Hospital, AP-HP, Paris, France
| | - Blaise Pasquiers
- Université Paris Cité, Faculté de Pharmacie de Paris, INSERM UMR-S1144, Paris, France
- PhinC Development, Massy, France
| | | | - Jennifer Arrondeau
- Department of Medical Oncology, Cochin University Hospital, Institut du Cancer Paris CARPEM, AP-HP, Paris, France
| | - Pascaline Boudou-Rouquette
- Department of Medical Oncology, Cochin University Hospital, Institut du Cancer Paris CARPEM, AP-HP, Paris, France
| | - Marie-Claire Bretagne
- Department of Pharmacology, Pharmacovigilance Unit, Pitié-Salpêtrière Hospital, AP-HP, Paris, France
| | - Joe-Elie Salem
- Department of Pharmacology, Pharmacovigilance Unit, Pitié-Salpêtrière Hospital, AP-HP, Paris, France
- INSERM, CIC-1901, Sorbonne Université, Paris, France
| | - Xavier Declèves
- Université Paris Cité, Faculté de Pharmacie de Paris, INSERM UMR-S1144, Paris, France
- Biologie du Médicament - Toxicologie, Cochin University Hospital, AP-HP, Paris, France
| | - Michel Vidal
- Biologie du Médicament - Toxicologie, Cochin University Hospital, AP-HP, Paris, France
- Université Paris Cité, Faculté de Pharmacie de Paris, UMR8038 CNRS CiTCoM, U1268 INSERM, CARPEM, Paris, France
| | - Nora Kramkimel
- Department of Dermatology, Cochin University Hospital, AP-HP, Paris, France
| | - Sarah Guegan
- Department of Dermatology, Cochin University Hospital, AP-HP, Paris, France
| | - Selim Aractingi
- Department of Dermatology, Cochin University Hospital, AP-HP, Paris, France
| | - Olivier Huillard
- Department of Medical Oncology, Cochin University Hospital, Institut du Cancer Paris CARPEM, AP-HP, Paris, France
| | - Jérôme Alexandre
- Department of Medical Oncology, Cochin University Hospital, Institut du Cancer Paris CARPEM, AP-HP, Paris, France
- Université Paris Cité, INSERM, Centre de Recherche des Cordeliers, Équipe labélisée Ligue Contre le Cancer, CNRS SNC 5096, Sorbonne Université, Paris, France
| | - Marie Wislez
- Department of Pneumology, Cochin University Hospital, AP-HP, Paris, France
| | - François Goldwasser
- Department of Medical Oncology, Cochin University Hospital, Institut du Cancer Paris CARPEM, AP-HP, Paris, France
- Université Paris Cité, Faculté de Médecine, INSERM, U1016, Institut Cochin, Paris, France
| | - Benoit Blanchet
- Biologie du Médicament - Toxicologie, Cochin University Hospital, AP-HP, Paris, France
- Université Paris Cité, Faculté de Pharmacie de Paris, UMR8038 CNRS CiTCoM, U1268 INSERM, CARPEM, Paris, France
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4
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Bashari N, Safaei Lari M, Darvishi A, Daroudi R. Cost-utility analysis of Pembrolizumab compared to other alternative immunotherapy and chemotherapy treatments for patients with advanced melanoma in Iran. Expert Rev Pharmacoecon Outcomes Res 2024; 24:273-284. [PMID: 37750606 DOI: 10.1080/14737167.2023.2263164] [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: 06/22/2023] [Accepted: 09/07/2023] [Indexed: 09/27/2023]
Abstract
OBJECTIVES Immunotherapy drugs like Pembrolizumab have shown significant improvements in treatment outcomes of advanced melanoma. This study aimed to evaluate the cost-utility of Pembrolizumab compared to other immunotherapy and chemotherapy drugs in the first-line treatment of advanced melanoma in Iran. METHODS A partitioned-survival model, based on data from a recent randomized phase 3 study (KEYNOTE-006) and recent meta-analysis, was used to divide Overall survival (OS) time into Progression-free survival (PFS) and post-progression survival for Pembrolizumab, Nivolumab, Ipilimumab, Dacarbazine, Temozolomide, Carboplatin, and Paclitaxel combination. Quality Life Years (QALY) and Incremental Cost-Effectiveness Ratio (ICER) were considered as the final outcome. RESULTS The ICER of Ipilimumab, Nivolumab, Nivolumab & Ipilimumab, and Pembrolizumab compared to Temozolomide was calculated as $40,365.53, $19,591.13, $24,578, and $47,324.2 per QALY, respectively. Scenario analysis demonstrated if the price of one vial of Nivolumab 100 is $90.51, each vial of Pembrolizumab is $119.20, and each vial of Ipilimumab is $101.54, they will be cost-effective in Iran. CONCLUSION None of the immunotherapy drugs studied were found to be cost-effective when considering the cost-effectiveness threshold of $3,532. Therefore, a cost reduction of more than 90% in the prices of immunotherapy drugs would be necessary for them to be considered cost-effective in Iran.
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Affiliation(s)
- Negin Bashari
- National Center for Health Insurance Research, Tehran, Iran
- Department of Health Management, Policy and Economics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Majid Safaei Lari
- Department of Health Management, Policy and Economics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Darvishi
- Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Rajabali Daroudi
- National Center for Health Insurance Research, Tehran, Iran
- Department of Health Management, Policy and Economics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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5
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Wesevich A, Goldstein DA, Paydary K, Peer CJ, Figg WD, Ratain MJ. Interventional pharmacoeconomics for immune checkpoint inhibitors through alternative dosing strategies. Br J Cancer 2023; 129:1389-1396. [PMID: 37542109 PMCID: PMC10628132 DOI: 10.1038/s41416-023-02367-y] [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: 01/09/2023] [Revised: 05/05/2023] [Accepted: 07/12/2023] [Indexed: 08/06/2023] Open
Abstract
Immune checkpoint inhibitors (ICIs) are approved for the treatment of a variety of cancer types. The doses of these drugs, though approved by the Food and Drug Administration (FDA), have never been optimised, likely leading to significantly higher doses than required for optimal efficacy. Dose optimisation would hypothetically decrease the risk, severity, and duration of immune-related adverse events, as well as provide an opportunity to reduce costs through interventional pharmacoeconomic strategies such as off-label dose reductions or less frequent dosing. We summarise existing evidence for ICI dose optimisation to advocate for the role of interventional pharmacoeconomics.
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Affiliation(s)
- Austin Wesevich
- Section of Hematology/Oncology, Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Daniel A Goldstein
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Davidoff Cancer Center, Rabin Medical Center, Petah Tikva, Israel
- Clalit Health Service, Tel Aviv, Israel
- Optimal Cancer Care Alliance, Chicago, IL, USA
| | - Koosha Paydary
- Section of Hematology/Oncology, Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Cody J Peer
- Clinical Pharmacology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - William D Figg
- Clinical Pharmacology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Mark J Ratain
- Section of Hematology/Oncology, Department of Medicine, University of Chicago, Chicago, IL, USA.
- Optimal Cancer Care Alliance, Chicago, IL, USA.
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6
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Liu D, Hu L, Shao H. Therapeutic drug monitoring of immune checkpoint inhibitors: based on their pharmacokinetic properties and biomarkers. Cancer Chemother Pharmacol 2023:10.1007/s00280-023-04541-8. [PMID: 37410155 DOI: 10.1007/s00280-023-04541-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 05/03/2023] [Indexed: 07/07/2023]
Abstract
As a new means of oncology treatment, immune checkpoint inhibitors (ICIs) can improve survival rates in patients with resistant or refractory tumors. However, there are obvious inter-individual differences in the unsatisfactory response rate, drug resistance rate and the occurrence of immune-related adverse events (irAE). These questions have sparked interest in researchers looking for a way to screen sensitive populations and predict efficacy and safety. Therapeutic drug monitoring (TDM) is a way to ensure the safety and effectiveness of medication by measuring the concentration of drugs in body fluids and adjusting the medication regimen. It has the potential to be an adjunctive means of predicting the safety and efficacy of ICIs treatment. In this review, the author outlined the pharmacokinetic (PK) characteristics of ICIs in patients. The feasibility and limitations of TDM of ICIs were discussed by summarizing the relationships between the pharmacokinetic parameters and the efficacy, toxicity and biomarkers.
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Affiliation(s)
- Dongxue Liu
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Linlin Hu
- Department of Pharmacy, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
- Office of Medication Clinical Institution, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Hua Shao
- Office of Medication Clinical Institution, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China.
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7
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Rutkowski P, Czarnecka AM. Pembrolizumab for the adjuvant treatment of IIB or IIC melanoma. Expert Rev Anticancer Ther 2023; 23:897-902. [PMID: 37573515 DOI: 10.1080/14737140.2023.2247565] [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: 12/04/2022] [Accepted: 08/09/2023] [Indexed: 08/15/2023]
Abstract
INTRODUCTION Up to 30% of patients with stage IIB and 50% of stage IIC melanoma experience recurrence within 5 years after radical surgery. Adjuvant treatment is expected to improve this prognosis. AREAS COVERED Pembrolizumab (MK-3475) is a humanized monoclonal antibody that acts against the programmed cell death 1 (PD-1) receptor. Pembrolizumab was first approved in monotherapy for the treatment of unresectable/metastatic melanoma based on the results of the prospective KEYNOTE-001, KEYNOTE-002, and KEYNOTE-006 trials. KEYNOTE-716 is the randomized phase III trial of pembrolizumab treatment in resected stage II melanoma. Treatment with pembrolizumab is statistically significant, reducing the risk of recurrence as well as distant metastases risk after primary tumor resection. Pembrolizumab treatment has a 24-month RFS rate of 81.2% (HR 0.64 vs placebo) and a DMFS rate of 88.1%. EXPERT OPINION 1-year adjuvant pembrolizumab treatment of stage IIB/C melanoma patients significantly reduces recurrence or death risk. The safety profile of adjuvant treatment is not different from previously reported and is manageable. Longer follow-up is required to fully understand the efficacy and safety of adjuvant therapy for stage II melanoma, as the number of patients needed to treat is twice as high as for stage III patients.
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Affiliation(s)
- Piotr Rutkowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Anna M Czarnecka
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
- Department of Experimental Pharmacology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
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8
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Peer CJ, Schmidt KT, Arisa O, Richardson WJ, Paydary K, Goldstein DA, Gulley JL, Figg WD, Ratain MJ. In Silico Re-Optimization of Atezolizumab Dosing Using Population Pharmacokinetic Simulation and Exposure-Response Simulation. J Clin Pharmacol 2023; 63:672-680. [PMID: 36624662 PMCID: PMC10175103 DOI: 10.1002/jcph.2203] [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: 10/06/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023]
Abstract
Atezolizumab, a humanized monoclonal antibody against programmed cell death ligand 1 (PD-L1), was initially approved in 2016, around the same time that the sponsor published the minimum serum concentration to maintain the saturation of receptor occupancy (6 μg/mL). The initially approved dose regimen of 1200 mg every 3 weeks (q3w) was subsequently modified to 840 mg q2w or 1680 mg q4w through pharmacokinetic simulations. Yet, each standard regimen yields steady-state trough concentrations (CMIN,SS ) far exceeding (≈ 40-fold) the stated target concentration. Additionally, the steady-state area under the plasma drug concentration-time curve (AUCSS ) at 1200 mg q3w was significantly (P = .027) correlated with the probability of adverse events of special interest (AESIs) in patients with non-small cell lung cancer (NSCLC) and, coupled with excess exposure, this provides incentive to explore alternative dose regimens to lower the exposure burden while maintaining an effective CMIN,SS . In this study, we first identified 840 mg q6w as an extended-interval regimen that could robustly maintain a serum concentration of 6 μg/mL (≥99% of virtual patients simulated, n = 1000), then applied this regimen to an approach that administers 2 "loading doses" of standard-interval regimens for a future clinical trial aiming to personalize dose regimens. Each standard dose was simulated for 2 loading doses, then 840 mg q6w thereafter; all yielded cycle-7 CMIN,SS values of >6 μg/mL in >99% of virtual patients. Further, the AUCSS from 840 mg q6w resulted in a flattening (P = .63) of the exposure-response relationship with adverse events of special interest (AESIs). We next aim to verify this in a clinical trial seeking to validate extended-interval dosing in a personalized approach using therapeutic drug monitoring.
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Affiliation(s)
- Cody J. Peer
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, MD, USA
| | - Keith T. Schmidt
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, MD, USA
| | - Oluwatobi Arisa
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, MD, USA
| | | | - Koosha Paydary
- Department of Medicine, Section of Hematology/Oncology, and Committee on Clinical Pharmacology & Pharmacogenomics, The University of Chicago, Chicago, IL, USA
| | - Daniel A. Goldstein
- Faculty of Medicine, Tel Aviv University, Israel
- Davidoff Cancer Center, Rabin Medical Center, Israel
- Clalit Health Services, Tela Aviv, Israel
| | - James L. Gulley
- Genitourinary Malignancies Branch, National Cancer Institute, Bethesda, MD, USA
| | - William D. Figg
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, MD, USA
| | - Mark J. Ratain
- Department of Medicine, Section of Hematology/Oncology, and Committee on Clinical Pharmacology & Pharmacogenomics, The University of Chicago, Chicago, IL, USA
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9
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Tannock IF, Bouche G, Goldstein DA, Goto Y, Lichter AS, Prabhash K, Ranganathan P, Saltz LB, Sonke GS, Strohbehn GW, von Moos R, Ratain MJ. Patient-centred, self-funding dose optimisation trials as a route to reduce toxicity, lower cost and improve access to cancer therapy. Ann Oncol 2023:S0923-7534(23)00687-7. [PMID: 37230253 DOI: 10.1016/j.annonc.2023.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 05/27/2023] Open
Affiliation(s)
- Ian F Tannock
- Division of Medical Oncology, Princess Margaret Cancer Centre and University of Toronto, Toronto, ON, Canada; Optimal Cancer Care Alliance, Ann Arbor, MI, USA.
| | - Gauthier Bouche
- Anticancer Fund, Meise, Belgium; Medical Research Council Clinical Trials Unit at University College London, London, United Kingdom
| | - Daniel A Goldstein
- Optimal Cancer Care Alliance, Ann Arbor, MI, USA; Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yasushi Goto
- Department of Thoracic Oncology, National Cancer Center Hospital, Chuo-ku, Tokyo, Japan
| | | | - Kumar Prabhash
- Tata Memorial Centre, Homi Bhabha National Institute, Mumbai, India
| | | | - Leonard B Saltz
- Optimal Cancer Care Alliance, Ann Arbor, MI, USA; Gastrointestinal Oncology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Gabe S Sonke
- Department of Medical Oncology, Antoni van Leeuwenhoek/Netherlands Cancer Institute, & University of Amsterdam, Amsterdam, The Netherlands
| | - Garth W Strohbehn
- Optimal Cancer Care Alliance, Ann Arbor, MI, USA; Rogel Cancer Center, University of Michigan; Section of Hematology Oncology, Veterans Affairs Ann Arbor Healthcare System; Veterans Affairs Center for Clinical Management Research, Ann Arbor, MI, USA
| | - Roger von Moos
- Department of Oncology/Hematology, Kantonsspital Graubünden, Chur, Switzerland & SAKK Competence Center, Bern
| | - Mark J Ratain
- Optimal Cancer Care Alliance, Ann Arbor, MI, USA; Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, IL, USA
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10
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de Vries F, Smit AAJ, Wolbink G, de Vries A, Loeff FC, Franssen EJF. Case report: Pharmacokinetics of pembrolizumab in a patient with stage IV non-small cell lung cancer after a single 200 mg administration. Front Oncol 2023; 12:960116. [PMID: 36713570 PMCID: PMC9875126 DOI: 10.3389/fonc.2022.960116] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 12/16/2022] [Indexed: 01/13/2023] Open
Abstract
Background Pembrolizumab is a well-tolerated biologic agent with a potentially stable and durable anti-tumor response. Unfortunately, discontinuation of therapy can occur as a consequence of immune-related adverse effects (irAEs). These irAEs appear independent of dose and exposure. However, such irAEs might also result from pembrolizumab's highly specific mechanism of action and current dosing regimens. However, the currently available pharmacokinetic (PK) and pharmacodynamic (PD) data to reassess dosing strategies are insufficient.To highlight the importance of additional PK/PD studies, we present a case describing the complexity of pembrolizumab's PK/PD after a single 200 mg pembrolizumab dose in a treatment-naive patient with non-small cell lung cancer (NSCLC). Case description A 72-year-old man with stage IV NSCLC presented hepatotoxic symptoms 19 days after receiving the first 200 mg pembrolizumab dose. Hence, pembrolizumab therapy was paused, and prednisolone therapy was initiated, which successfully inhibited the toxic effect of pembrolizumab. However, repeated flare-ups due to prednisolone tapering suggest that the toxic effect of pembrolizumab outlasts the presence of pembrolizumab in the bloodstream. This further suggests that the T-cell-mediated immune response outlasts the programmed cell death protein 1 (PD-1) receptor occupancy by pembrolizumab, which challenges the need for the current fixed-interval strategies and their stop criteria.Furthermore, a validated ELISA quantified pembrolizumab levels in 15 samples within 123 days after administration. A shift in the pembrolizumab clearance rate was evident ensuing day 77 (0.6 µg/mL) after administration. Pembrolizumab levels up to day 77 (9.1-0.6 µg/mL) strongly exhibited a linear, first-order clearance (R2 = 0.991), whereas after day 77, an accelerated non-linear clearance was observed. This transition from a linear to non-linear clearance was most likely a result of full target receptor saturation to non-full target receptor saturation, in which the added effect of target-mediated drug disposition occurs. This suggests that pembrolizumab's targets were fully saturated at levels above 0.6 µg/mL, which is 43 to 61 times lower than the steady-state trough levels (Ctrough,ss) of the currently registered fixed-dosing regimens (3-5).
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Affiliation(s)
- Fenna de Vries
- Department of Pharmacy, OLVG Hospital, Amsterdam, Netherlands,*Correspondence: Fenna de Vries,
| | | | - Gertjan Wolbink
- Department of Rheumatology, Amsterdam Rheumatology and Immunology Centre, Amsterdam, Netherlands
| | - Annick de Vries
- Diagnostic Services, Sanquin Health Solutions, Amsterdam, Netherlands
| | - Floris C. Loeff
- Diagnostic Services, Sanquin Health Solutions, Amsterdam, Netherlands
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11
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Mitchell AP, Goldstein DA. Cost Savings and Increased Access With Ultra-Low-Dose Immunotherapy. J Clin Oncol 2023; 41:170-172. [PMID: 36265102 PMCID: PMC9839306 DOI: 10.1200/jco.22.01711] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/03/2022] [Accepted: 08/12/2022] [Indexed: 01/19/2023] Open
Affiliation(s)
- Aaron P. Mitchell
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Daniel A. Goldstein
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Davidoff Cancer Center, Rabin Medical Center, Petah Tikva, Israel
- Clalit Health Service, Tel Aviv-Yafo, Israel
- Optimal Cancer Care Alliance, Ann Arbor, MI
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12
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Merrick S, Nankivell M, Quartagno M, Clarke CS, Joharatnam-Hogan N, Waddell T, O'Carrigan B, Seckl M, Ghorani E, Banks E, Edmonds K, Bray G, Woodward R, Bennett R, Badrock J, Hudson W, Langley RE, Vasudev N, Pickering L, Gilbert DC. REFINE (REduced Frequency ImmuNE checkpoint inhibition in cancers): A multi-arm phase II basket trial testing reduced intensity immunotherapy across different cancers. Contemp Clin Trials 2023; 124:107030. [PMID: 36519749 PMCID: PMC7614585 DOI: 10.1016/j.cct.2022.107030] [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: 07/25/2022] [Revised: 10/13/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Immune checkpoint inhibitors (ICI) have revolutionised treating advanced cancers. ICI are administered intravenously every 2-6 weeks for up to 2 years, until cancer progression/unacceptable toxicity. Physiological efficacy is observed at lower doses than those used as standard of care (SOC). Pharmacodynamic studies indicate sustained target occupancy, despite a pharmacological half-life of 2-3 weeks. Reducing frequency of administration may be possible without compromising outcomes. The REFINE trial aims to limit individual patient exposure to ICI whilst maintaining efficacy, with potential benefits in quality of life and reduced drug treatment/attendance costs. METHODS/DESIGN REFINE is a randomised phase II, multi-arm, multi-stage (MAMS) adaptive basket trial investigating extended interval administration of ICIs. Eligible patients are those responding to conventionally dosed ICI at 12 weeks. In stage I, patients (n = 160 per tumour-specific cohort) will be randomly allocated (1:1) to receive maintenance ICI at SOC vs extended dose interval. REFINE is currently recruiting UK patients with locally advanced or metastatic renal cell carcinoma (RCC) who have tolerated and responded to initial nivolumab/ipilimumab, randomised to receive maintenance nivolumab SOC (480 mg 4 weekly) vs extended interval (480 mg 8 weekly). Additional tumour cohorts are planned. Subject to satisfactory outcomes (progression-free survival) stage II will investigate up to 5 different treatment intervals. Secondary outcome measures include overall survival, quality-of-life, treatment-related toxicity, mean incremental pathway costs and quality-adjusted life-years per patient. REFINE is funded by the Jon Moulton Charity Trust and Medical Research Council, sponsored by University College London (UCL), and coordinated by the MRC CTU at UCL. Trial Registration ISRCTN79455488. NCT04913025 EUDRACT #: 2021-002060-47. CTA 31330/0008/001-0001; MREC approval: 21/LO/0593. REFINE Protocol version 4.0.
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Affiliation(s)
- Sophie Merrick
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials & Methodology, 2nd Floor 90 High Holborn, London WC1V 6LJ, UK
| | - Matthew Nankivell
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials & Methodology, 2nd Floor 90 High Holborn, London WC1V 6LJ, UK
| | - Matteo Quartagno
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials & Methodology, 2nd Floor 90 High Holborn, London WC1V 6LJ, UK
| | - Caroline S Clarke
- University College London (UCL) Research Department of Primary Care and Population Health, Upper 3rd Floor, UCL Medical School, Royal Free Campus, London NW3 2PF, UK
| | - Nalinie Joharatnam-Hogan
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials & Methodology, 2nd Floor 90 High Holborn, London WC1V 6LJ, UK
| | - Tom Waddell
- The Christie NHS Foundation Trust, Wilmslow Road, Manchester M20 4BX, UK
| | - Brent O'Carrigan
- Department of Oncology, Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus Hill's Road, Cambridge CB2 0QQ, UK
| | - Michael Seckl
- Imperial College London, Division of Cancer, 2nd floor U201 Hammersmith Hospital Campus, London W12 0NN, UK
| | - Ehsan Ghorani
- Imperial College London, Division of Cancer, 2nd floor U201 Hammersmith Hospital Campus, London W12 0NN, UK
| | - Emma Banks
- Leeds Teaching Hospitals NHS Trust, Beckett Street, Leeds LS9 7TF, UK
| | - Kim Edmonds
- Royal Marsden Hospital, 203 Fulham Rd, Chelsea, London SW3 6JJ, UK
| | - George Bray
- University College London (UCL) Research Department of Primary Care and Population Health, Upper 3rd Floor, UCL Medical School, Royal Free Campus, London NW3 2PF, UK
| | - Rose Woodward
- Action Kidney Cancer, 11th Floor, 3 Piccadilly Place, Manchester M1 3BN, UK
| | - Rachel Bennett
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials & Methodology, 2nd Floor 90 High Holborn, London WC1V 6LJ, UK
| | - Jonathan Badrock
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials & Methodology, 2nd Floor 90 High Holborn, London WC1V 6LJ, UK
| | - Will Hudson
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials & Methodology, 2nd Floor 90 High Holborn, London WC1V 6LJ, UK
| | - Ruth E Langley
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials & Methodology, 2nd Floor 90 High Holborn, London WC1V 6LJ, UK
| | - Naveen Vasudev
- Leeds Teaching Hospitals NHS Trust, Beckett Street, Leeds LS9 7TF, UK
| | - Lisa Pickering
- Royal Marsden Hospital, 203 Fulham Rd, Chelsea, London SW3 6JJ, UK
| | - Duncan C Gilbert
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials & Methodology, 2nd Floor 90 High Holborn, London WC1V 6LJ, UK.
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13
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Jiang M, Hu Y, Lin G, Chen C. Dosing Regimens of Immune Checkpoint Inhibitors: Attempts at Lower Dose, Less Frequency, Shorter Course. Front Oncol 2022; 12:906251. [PMID: 35795044 PMCID: PMC9251517 DOI: 10.3389/fonc.2022.906251] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 05/24/2022] [Indexed: 12/19/2022] Open
Abstract
Immune checkpoint inhibitors (ICIs) are a revolutionary breakthrough in the field of cancer by modulating patient's own immune system to exert anti-tumor effects. The clinical application of ICIs is still in its infancy, and their dosing regimens need to be continuously adjusted. Pharmacokinetic/pharmacodynamic studies showed a significant plateau in the exposure-response curve, with high receptor occupancy and plasma concentrations achieved at low dose levels. Coupled with concerns about drug toxicity and heavy economic costs, there has been an ongoing quest to reevaluate the current ICI dosing regimens while preserving maximum clinical efficacy. Many clinical data showed remarkable anticancer effects with ICIs at the doses far below the approved regimens, indicating the possibility of dose reduction. Our review attempts to summarize the clinical evidence for ICIs regimens with lower-dose, less-frequency, shorter-course, and provide clues for further ICIs regimen optimization.
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Affiliation(s)
| | | | | | - Chao Chen
- Department of Radiotherapy, The First Affiliated Hospital of Zhejiang Chinese Medical University, Zhejiang Provincial Hospital of Traditional Chinese Medicine, Hangzhou, China
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14
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Peer CJ, Zimmerman SM, Figg WD, Goldstein DB, Ratain MJ. Subcutaneous Atezolizumab: A Jab Without a Benefit. Clin Pharmacol Drug Dev 2021; 11:134-135. [PMID: 34951144 DOI: 10.1002/cpdd.1061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 11/23/2021] [Indexed: 11/06/2022]
Affiliation(s)
- Cody J Peer
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, Maryland, USA
| | - Sara M Zimmerman
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, Maryland, USA
| | - William D Figg
- Clinical Pharmacology Program, National Cancer Institute, Bethesda, Maryland, USA
| | - Daniel B Goldstein
- Tel Aviv University, Tel Aviv, Israel.,Davidoff Cancer Center, Rabin Medical Center, Petah Tikva, Israel.,Department of Health Policy and Management, Gillings School of Public Health, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Mark J Ratain
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, Illinois, USA
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