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Ignatiadis M, Poulakaki F, Spanic T, Brain E, Lacombe D, Sonke GS, Vincent-Salomon A, Van Duijnhoven F, Meattini I, Kaidar-Person O, Aftimos P, Lecouvet F, Cardoso F, Retèl VP, Cameron D. EBCC-14 manifesto: Addressing disparities in access to innovation for patients with metastatic breast cancer across Europe. Eur J Cancer 2024; 207:114156. [PMID: 38861756 DOI: 10.1016/j.ejca.2024.114156] [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: 04/11/2024] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 06/13/2024]
Abstract
The European Breast Cancer Council (EBCC) traditionally identifies controversies or major deficiencies in the management of patients with breast cancer and selects a multidisciplinary expert team to collaborate in setting crucial principles and recommendations to improve breast cancer care. The 2024 EBCC manifesto focuses on disparities in the care of patients with metastatic breast cancer. There are several reasons for existing disparities both between and within countries. Our recommendations aim to address the stigma of metastatic disease, which has led to significant disparities in access to innovative care regardless of the gross national income of a country. These recommendations are for different stakeholders to promote the care of patients with metastatic breast cancer across Europe and worldwide.
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Affiliation(s)
- Michail Ignatiadis
- Department of Medical Oncology, Institut Bordet, Hôpital Universitaire de Bruxelles, Brussels, Belgium.
| | - Fiorita Poulakaki
- Breast Surgery Department, Athens Medical Center, Athens, Greece; Europa Donna - The European Breast Cancer Coalition, Milan, Italy
| | - Tanja Spanic
- Europa Donna - The European Breast Cancer Coalition, Milan, Italy; Europa Donna Slovenia, Ljubljana, Slovenia
| | - Etienne Brain
- Department of Medical Oncology, Institut Curie, Saint Cloud, France
| | - Denis Lacombe
- European Organisation for Research and Treatment of Cancer (EORTC), Brussels, Belgium
| | - Gabe S Sonke
- University of Amsterdam, Amsterdam, the Netherlands
| | - Anne Vincent-Salomon
- Department of Diagnostic and Theragnostic Medicine, Institut Curie Hospital Group, Paris, France
| | - Frederieke Van Duijnhoven
- Department of Surgical Oncology, Netherlands Cancer Institute - Antoni van Leeuwenhoek, Amsterdam, the Netherlands
| | - Icro Meattini
- Department of Experimental and Clinical Biomedical Sciences "M. Serio", University of Florence, Florence, Italy; Radiation Oncology & Breast Unit, Oncology Department, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy
| | - Orit Kaidar-Person
- Department of Radiation Oncology, Sheba Medical Center, Ramat Gan, Israel; Tel Aviv School of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Philippe Aftimos
- Department of Medical Oncology, Institut Bordet, Hôpital Universitaire de Bruxelles, Brussels, Belgium
| | - Frederic Lecouvet
- Institut du Cancer Roi Albert II (IRA2), Institut de Recherche Expérimentale et Clinique, UCLouvain, Brussels, Belgium; Department of Medical Imaging, Cliniques Universitaires Saint Luc, Brussels, Belgium
| | - Fatima Cardoso
- Breast Unit, Champalimaud Clinical Center/Champalimaud Foundation, Lisbon, Portugal
| | - Valesca P Retèl
- Department of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, the Netherlands; Erasmus School of Health Policy and Management, Erasmus University Rotterdam (ESHPM), Rotterdam, the Netherlands
| | - David Cameron
- Edinburgh University Cancer Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
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Strohbehn GW, Stadler WM, Boonstra PS, Ratain MJ. Optimizing the doses of cancer drugs after usual dose finding. Clin Trials 2024; 21:340-349. [PMID: 38148731 DOI: 10.1177/17407745231213882] [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] [Indexed: 12/28/2023]
Abstract
Since the middle of the 20th century, oncology's dose-finding paradigm has been oriented toward identifying a drug's maximum tolerated dose, which is then carried forward into phase 2 and 3 trials and clinical practice. For most modern precision medicines, however, maximum tolerated dose is far greater than the minimum dose needed to achieve maximal benefit, leading to unnecessary side effects. Regulatory change may decrease maximum tolerated dose's predominance by enforcing dose optimization of new drugs. Dozens of already approved cancer drugs require re-evaluation, however, introducing a new methodologic and ethical challenge in cancer clinical trials. In this article, we assess the history and current landscape of cancer drug dose finding. We provide a set of strategic priorities for postapproval dose optimization trials of the future. We discuss ethical considerations for postapproval dose optimization trial design and review three major design strategies for these unique trials that would both adhere to ethical standards and benefit patients and funders. We close with a discussion of financial and reporting considerations in the realm of dose optimization. Taken together, we provide a comprehensive, bird's eye view of the postapproval dose optimization trial landscape and offer our thoughts on the next steps required of methodologies and regulatory and funding regimes.
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Affiliation(s)
- Garth W Strohbehn
- Veterans Affairs Center for Clinical Management Research, Ann Arbor, MI, USA
- Division of Medical Oncology, Lieutenant Colonel Charles S. Kettles VA Medical Center, Ann Arbor, MI, USA
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI, USA
- Institute for Health Policy and Innovation, University of Michigan, Ann Arbor, MI, USA
| | - Walter M Stadler
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Philip S Boonstra
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI, USA
- Department of Biostatistics, University of Michigan, Ann Arbor, MI, USA
| | - Mark J Ratain
- Section of Hematology/Oncology, Department of Medicine, The University of Chicago, Chicago, IL, USA
- Committee on Clinical Pharmacology and Pharmacogenomics, The University of Chicago, Chicago, IL, USA
- Center for Personalized Therapeutics, The University of Chicago, Chicago, IL, USA
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3
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Kuo HY, Khan KA, Kerbel RS. Antiangiogenic-immune-checkpoint inhibitor combinations: lessons from phase III clinical trials. Nat Rev Clin Oncol 2024; 21:468-482. [PMID: 38600370 DOI: 10.1038/s41571-024-00886-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/18/2024] [Indexed: 04/12/2024]
Abstract
Antiangiogenic agents, generally antibodies or tyrosine-kinase inhibitors that target the VEGF-VEGFR pathway, are currently among the few combination partners clinically proven to improve the efficacy of immune-checkpoint inhibitors (ICIs). This benefit has been demonstrated in pivotal phase III trials across different cancer types, some with practice-changing results; however, numerous phase III trials have also had negative results. The rationale for using antiangiogenic drugs as partners for ICIs relies primarily on blocking the multiple immunosuppressive effects of VEGF and inducing several different vascular-modulating effects that can stimulate immunity, such as vascular normalization leading to increased intratumoural blood perfusion and flow, and inhibition of pro-apoptotic effects of endothelial cells on T cells, among others. Conversely, VEGF blockade can also cause changes that suppress antitumour immunity, such as increased tumour hypoxia, and reduced intratumoural ingress of co-administered ICIs. As a result, the net clinical benefits from antiangiogenic-ICI combinations will be determined by the balance between the opposing effects of VEGF signalling and its inhibition on the antitumour immune response. In this Perspective, we summarize the results from the currently completed phase III trials evaluating antiangiogenic agent-ICI combinations. We also discuss strategies to improve the efficacy of these combinations, focusing on aspects that include the deleterious functions of VEGF-VEGFR inhibition on antitumour immunity, vessel co-option as a driver of non-angiogenic tumour growth, clinical trial design, or the rationale for drug selection, dosing and scheduling.
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Affiliation(s)
- Hung-Yang Kuo
- Department of Oncology, National Taiwan University Hospital, and Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei, Taiwan.
| | - Kabir A Khan
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada.
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada.
| | - Robert S Kerbel
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada.
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada.
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Squicciarini T, Villani R, Apollonio B, Fucci L, Zambetti M, Rossini M, Pinto R, Tommasi S, De Roma I, Strippoli S, Guida M. Case report: Is severe toxicity the price to pay for high sensitivity to checkpoint inhibitors immunotherapy in desmoplastic melanoma? Front Immunol 2024; 15:1369531. [PMID: 38799429 PMCID: PMC11117064 DOI: 10.3389/fimmu.2024.1369531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 04/23/2024] [Indexed: 05/29/2024] Open
Abstract
Background Desmoplastic melanoma (DM) is a rare subtype of melanoma characterized by high immunogenicity which makes it particularly suitable for immune checkpoint inhibitors (ICIs) treatment. Case presentation We report the case of a 53-year-old man with metastatic DM successfully treated with the combination of anti-CTLA-4 and anti-PD-1 antibodies, who developed serious immune-related adverse events (irAEs). The primary tumor was characterized by absent PD-L1 expression and no-brisk lymphocytes infiltration. NGS showed absence of BRAF mutation, a high tumor mutational burden, and an UV-induced DNA damage signature. Metastatic lesions regressed rapidly after few cycles of ICIs until complete response, however the patient developed serious irAEs including hypothyroidism, adrenal deficiency, and acute interstitial nephritis which led to the definitive suspension of treatment. Currently, the patient has normal renal functionality and no disease relapse after 26 months from starting immunotherapy, and after 9 months from its definitive suspension. Conclusion Efficacy and toxicity are two sides of the same coin of high sensitivity to ICIs in DM. For this reason, these patients should be closely monitored during ICIs therapy to promptly identify serious side effects and to correctly manage them.
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Affiliation(s)
- Teresa Squicciarini
- Rare Tumors and Melanoma Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Rossella Villani
- Rare Tumors and Melanoma Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Benedetta Apollonio
- Rare Tumors and Melanoma Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Livia Fucci
- Pathology Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Milena Zambetti
- Pathology Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Michele Rossini
- Nephrology, Dialysis and Transplantation, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari, Bari, Italy
| | - Rosamaria Pinto
- Molecular Diagnostics and Pharmacogenetics Unit, IRCCS Istituto Tumouri “Giovanni Paolo II”, Bari, Italy
| | - Stefania Tommasi
- Molecular Diagnostics and Pharmacogenetics Unit, IRCCS Istituto Tumouri “Giovanni Paolo II”, Bari, Italy
| | - Ileana De Roma
- Rare Tumors and Melanoma Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Sabino Strippoli
- Rare Tumors and Melanoma Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
| | - Michele Guida
- Rare Tumors and Melanoma Unit, IRCCS Istituto Tumori Giovanni Paolo II, Bari, Italy
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Fetter T, Fietz S, Bertlich M, Braegelmann C, de Vos-Hillebrand L, Wenzel J, Heine A, Landsberg J, Jansen P. Severe autoimmune hemolytic anemia following immunotherapy with checkpoint inhibitors in two patients with metastatic melanoma: a case report. Front Immunol 2024; 15:1342845. [PMID: 38571955 PMCID: PMC10987708 DOI: 10.3389/fimmu.2024.1342845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 02/27/2024] [Indexed: 04/05/2024] Open
Abstract
Introduction Over the past decade, immune checkpoint inhibitors such as antibodies against cytotoxicity T-lymphocyte-associated protein 4 (CTLA-4) and programmed cell death protein 1 (PD-1) have become an important armamentarium against a broad spectrum of malignancies. However, these specific inhibitors can cause adverse autoimmune reactions by impairing self-tolerance. Hematologic side effects of immune checkpoint inhibitors, including autoimmune hemolytic anemia (AIHA), are rare but can be life-threatening. Case report Herein, we report two patients on immune checkpoint inhibitors for metastatic melanoma who developed AIHA with symptoms of dyspnea and fatigue. In the first patient, symptoms alleviated after discontinuation of combined anti CTLA-4 and anti-PD-1 therapy, initiation of corticosteroids and application of a single red blood cell transfusion. Due to subsequent progress of melanoma, combinational anti-PD-1 and tyrosine kinase inhibitor therapy was initiated based on multidisciplinary tumor board decision. After two months, she again developed the described hematological and clinical signs of AIHA leading to cessation of anti-PD-1 therapy and initiation of corticosteroids, which again resulted in an alleviation of her symptoms. Due to further progression, the patient received dacarbazine for several months before she decided to stop any therapy other than palliative supportive care. In the second patient, discontinuation of anti-PD-1 therapy and initiation of corticosteroids entailed a complete alleviation of his symptoms. After refusing chemotherapy due to subsequent melanoma progression, he received radiotherapy of bone metastases and is currently enrolled in a clinical trial. The patient did not develop AIHA ever since. Conclusion Hematologic immune-related adverse events due to treatment with immune checkpoint inhibitors are rare but can have life-threatening consequences. If dyspnea and other clinical symptoms are present, AIHA should be considered as a potential cause and treated promptly in a multidisciplinary setting. An expanded comprehension of risk factors and pathogenesis of AIHA is needed to identify high-risk patients beforehand, leading to more effective predictive and reactive treatment approaches.
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Affiliation(s)
- Tanja Fetter
- Center of Dermatooncology and Phlebology, University Hospital Bonn, Bonn, Germany
| | - Simon Fietz
- Center of Dermatooncology and Phlebology, University Hospital Bonn, Bonn, Germany
| | - Maya Bertlich
- Center of Dermatooncology and Phlebology, University Hospital Bonn, Bonn, Germany
| | | | | | - Joerg Wenzel
- Center of Dermatooncology and Phlebology, University Hospital Bonn, Bonn, Germany
| | - Annkristin Heine
- Department of Oncology, Hematology and Rheumatology, University Hospital Bonn, Bonn, Germany
| | - Jennifer Landsberg
- Center of Dermatooncology and Phlebology, University Hospital Bonn, Bonn, Germany
| | - Philipp Jansen
- Center of Dermatooncology and Phlebology, University Hospital Bonn, Bonn, Germany
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Hilton CB, Lander S, Gibson MK. An Ailment with Which I Will Contend: A Narrative Review of 5000 Years of Esophagogastric Cancers and Their Treatments, with Special Emphasis on Recent Advances in Immunotherapeutics. Cancers (Basel) 2024; 16:618. [PMID: 38339368 PMCID: PMC10854527 DOI: 10.3390/cancers16030618] [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: 11/22/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024] Open
Abstract
Esophagogastric cancers are among the most common and deadly cancers worldwide. This review traces their chronology from 3000 BCE to the present. The first several thousand years were devoted to palliation, before advances in operative technique and technology led to the first curative surgery in 1913. Systemic therapies were introduced in 1910, and radiotherapy shortly thereafter. Operative technique improved massively over the 20th century, with operative mortality rates reducing from over 50% in 1933 to less than 5% by 1981. In addition to important roles in palliation, endoscopy became a key nonsurgical curative option for patients with limited-stage disease by the 1990s. The first nonrandomized studies on combination therapies (chemotherapy ± radiation ± surgery) were reported in the early 1980s, with survival benefit only for subsets of patients. Randomized trials over the next decades had similar overall results, with increasing nuance. Disparate conclusions led to regional variation in global practice. Starting with the first FDA approval in 2017, multiple immunotherapies now encompass more indications and earlier lines of therapy. As standards of care incorporate these effective yet expensive therapies, care must be given to disparities and methods for increasing access.
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Affiliation(s)
- C. Beau Hilton
- Vanderbilt Ingram Cancer Center, Vanderbilt University Medical Center, 2220 Pierce Ave, Nashville, TN 37232, USA
| | - Steven Lander
- Internal Medicine Residency Program, University of Tennessee Health Sciences Center, 920 Madison Ave, Suite 531, Memphis, TN 38163, USA;
| | - Michael K. Gibson
- Vanderbilt Ingram Cancer Center, Vanderbilt University Medical Center, 2220 Pierce Ave, Nashville, TN 37232, USA
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Chintapally N, Nuwayhid M, Arroju V, Muddu VK, Gao P, Reddy BY, Sunkavalli C. State of cancer care in India and opportunities for innovation. Future Oncol 2023; 19:2593-2606. [PMID: 37675499 DOI: 10.2217/fon-2023-0047] [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] [Indexed: 09/08/2023] Open
Abstract
Cancer is one of the leading causes of morbidity and mortality in India. Despite recent medical and technological advances, the cancer burden in India remains high and continues to rise. Moreover, substantial regional disparities in cancer incidence and access to essential medical resources exist throughout the country. While innovative and effective cancer therapies hold promise for improving patient outcomes, several barriers hinder their development and utilization in India. Here we provide an overview of these barriers, including challenges related to patient awareness, inadequate infrastructure, scarcity of trained oncology professionals, and the high cost of cancer care. Furthermore, we discuss the limited availability of cancer clinical trials in the country, along with an examination of potential avenues to enhance cancer care in India. By confronting these hurdles head-on and implementing innovative, pragmatic solutions, we take an indispensable step toward a future where every cancer patient in the country can access quality care.
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Affiliation(s)
- Neha Chintapally
- Pi Health USA, Cambridge, MA, USA
- Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | | | | | - Vamshi K Muddu
- Asian Institute of Gastroenterology (AIG) Hospitals, Hyderabad, Telangana, India
| | - Peng Gao
- Pi Health USA, Cambridge, MA, USA
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Gravis G, Marino P, Olive D, Penault-LLorca F, Delord JP, Simon C, Lamrani-Ghaouti A, Sabatier R, Ciccolini J, Boher JM. A non-inferiority randomized phase III trial of standard immunotherapy by checkpoint inhibitors vs. reduced dose intensity in responding patients with metastatic cancer: the MOIO protocol study. BMC Cancer 2023; 23:393. [PMID: 37131154 PMCID: PMC10155443 DOI: 10.1186/s12885-023-10881-8] [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: 02/20/2023] [Accepted: 04/24/2023] [Indexed: 05/04/2023] Open
Abstract
BACKGROUND Immunotherapy (IO) has become a standard of care for treating various types of metastatic cancers and has significantly improved clinical outcome. With the exception of metastatic melanoma in complete response for which treatment can be stopped at 6 months, these treatments are currently administered until either disease progression for some IO, 2 years for others, or unacceptable toxicity. However, a growing number of studies are reporting maintenance of response despite discontinuation of therapy. There is currently no evidence of a dose effect of IO in pharmacokinetic studies. Maintaining efficacy despite a reduction in treatment intensity by decreasing the frequency of administration in patients with highly selected metastatic cancer, is the hypothesis evaluated in the MOIO study. METHOD/DESIGN This non-inferiority, randomized phase III study aims to compare the standard regimen to a 3 monthly regimen of variousIO drugs in adult patients with metastatic cancer in partial (PR) or complete response (CR) after 6 months of standard IO dosing (except melanoma in CR). This is a French national study conducted in 36 centers. The main objective is to demonstrate that the efficacy of a three-monthly administration is not unacceptably less efficacious than a standard administration. Secondary objectives are cost-effectiveness, quality of life (QOL), anxiety, fear of relapse, response rate, overall survival and toxicity. After 6 months of standard IO, patients with partial or complete response will be randomized 1:1 between standard IO or a reduced intensity dose of IO, administered every 3 months. The randomization will be stratified on therapy line,, tumor type, IO type and response status. The primary endpoint is the hazard ratio of progression-free survival. With a planned study duration of 6 years, including 36 months enrolment time, 646 patients are planned to demonstrate with a statistical level of evidence of 5% that the reduced IO regimen is non-inferior to the standard IO regimen, with a relative non-inferiority margin set at 1.3. DISCUSSION Should the hypothesis of non-inferiority with an IO reduced dose intensity be validated, alternate scheduling could preserve efficacy while being cost-effective and allowing a reduction of the toxicity, with an increase in patient's QOL. TRIAL REGISTRATION NCT05078047.
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Affiliation(s)
- Gwenaelle Gravis
- Department of Medical Oncology, Institut Paoli-Calmettes, Aix-Marseille University, CRCM,, Marseille, France.
| | - Patricia Marino
- Institut Paoli-Calmettes SESSTIM UMR 1252, INSERM, IRD, Aix Marseille University, Marseille, France
| | - Daniel Olive
- Institut Paoli Calmettes, Aix Marseille Université, CRCM, Inserm U1068, Marseille, France
| | - Frederique Penault-LLorca
- Centre Jean Perrin, Université Clermont Auvergne, INSERM, U1240 Imagerie Moléculaire Et Stratégies Théranostiques, Clermont Ferrand, France
| | | | | | | | - Renaud Sabatier
- Institut Paoli Calmettes, Aix Marseille Université, CRCM, Inserm U1068, Marseille, France
| | | | - Jean-Marie Boher
- Department of Biostatistics and Methodology, Institut Paoli Calmettes, and Aix-Marseille University, Unité Mixte de Recherche S1252, Institut de Recherche Pour Le Développement, 13009, Marseille, France
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Meriggi F, Zaniboni A, Zaltieri A. Low-Dose Immunotherapy: Is It Just an Illusion? Biomedicines 2023; 11:biomedicines11041032. [PMID: 37189650 DOI: 10.3390/biomedicines11041032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/17/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023] Open
Abstract
The development and use of immunotherapy in the last decade have led to a drastic improvement in results in the onco-haematological field. This has implied, on the one hand, the need for clinicians to manage a new type of adverse event and, on the other hand, a significant increase in costs. However, emerging scientific evidence suggests that, as with other drugs in the recent past, the registry dosage can be drastically reduced for immunotherapies without penalizing their effectiveness. This would also lead to an important reduction in costs, expanding the audience of cancer patients who could access immunotherapy-based treatments. In this “Commentary”, we analyze the available evidence of pharmacokinetics and pharmacodynamics and the most recent literature in favor of low-dose immunotherapy.
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