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Chiu JWY, Lee SC, Ho JCM, Park YH, Chao TC, Kim SB, Lim E, Lin CH, Loi S, Low SY, Teo LLS, Yeo W, Dent R. Clinical Guidance on the Monitoring and Management of Trastuzumab Deruxtecan (T-DXd)-Related Adverse Events: Insights from an Asia-Pacific Multidisciplinary Panel. Drug Saf 2023; 46:927-949. [PMID: 37552439 PMCID: PMC10584766 DOI: 10.1007/s40264-023-01328-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/16/2023] [Indexed: 08/09/2023]
Abstract
Trastuzumab deruxtecan (T-DXd)-an antibody-drug conjugate targeting the human epidermal growth factor receptor 2 (HER2)-improved outcomes of patients with HER2-positive and HER2-low metastatic breast cancer. Guidance on monitoring and managing T-DXd-related adverse events (AEs) is an emerging unmet need as translating clinical trial experience into real-world practice may be difficult due to practical and cultural considerations and differences in health care infrastructure. Thus, 13 experts including oncologists, pulmonologists and a radiologist from the Asia-Pacific region gathered to provide recommendations for T-DXd-related AE monitoring and management by using the latest evidence from the DESTINY-Breast trials, our own clinical trial experience and loco-regional health care considerations. While subgroup analysis of Asian (excluding Japanese) versus overall population in the DESTINY-Breast03 uncovered no major differences in the AE profile, we concluded that proactive monitoring and management are essential in maximising the benefits with T-DXd. As interstitial lung disease (ILD)/pneumonitis is a serious AE, patients should undergo regular computed tomography scans, but the frequency may have to account for the median time of ILD/pneumonitis onset and access. Trastuzumab deruxtecan appears to be a highly emetic regimen, and prophylaxis with serotonin receptor antagonists and dexamethasone (with or without neurokinin-1 receptor antagonist) should be considered. Health care professionals should be vigilant for treatable causes of fatigue, and patients should be encouraged to use support groups and practice low-intensity exercises. To increase treatment acceptance, patients should be made aware of alopecia risk prior to starting T-DXd. Detailed monitoring and management recommendations for T-DXd-related AEs are discussed further.
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Affiliation(s)
- Joanne Wing Yan Chiu
- The University of Hong Kong, Hong Kong, Hong Kong Special Administrative Region Hong Kong
| | - Soo Chin Lee
- National University Cancer Institute Singapore, National University Health System, Singapore, Singapore
| | - James Chung-man Ho
- The University of Hong Kong, Hong Kong, Hong Kong Special Administrative Region Hong Kong
| | - Yeon Hee Park
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Ta-Chung Chao
- Division of Medical Oncology, Department of Oncology, Faculty of Medicine, Taipei Veterans General Hospital, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Sung-Bae Kim
- Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Elgene Lim
- Faculty of Medicine and Health, Garvan Institute of Medical Research and St Vincent’s Clinical School, University of New South Wales, Sydney, NSW Australia
| | - Ching-Hung Lin
- Cancer Center Branch, National Taiwan University Hospital, Taipei, Taiwan
| | - Sherene Loi
- Division of Cancer Research, Peter MacCallum Cancer Centre, Melbourne, Australia
- Sir Peter MacCallum Department of Medical Oncology, University of Melbourne, Melbourne, Australia
| | - Su Ying Low
- Department of Respiratory and Critical Care Medicine, Singapore General Hospital, Singapore, Singapore
| | | | - Winnie Yeo
- The Chinese University of Hong Kong, Sha Tin, Hong Kong Special Administrative Region Hong Kong
| | - Rebecca Dent
- National Cancer Centre Singapore, Singapore, Singapore
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Arsène S, Couty C, Faddeenkov I, Go N, Granjeon-Noriot S, Šmít D, Kahoul R, Illigens B, Boissel JP, Chevalier A, Lehr L, Pasquali C, Kulesza A. Modeling the disruption of respiratory disease clinical trials by non-pharmaceutical COVID-19 interventions. Nat Commun 2022; 13:1980. [PMID: 35418135 PMCID: PMC9008035 DOI: 10.1038/s41467-022-29534-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 03/21/2022] [Indexed: 02/07/2023] Open
Abstract
Respiratory disease trials are profoundly affected by non-pharmaceutical interventions (NPIs) against COVID-19 because they perturb existing regular patterns of all seasonal viral epidemics. To address trial design with such uncertainty, we developed an epidemiological model of respiratory tract infection (RTI) coupled to a mechanistic description of viral RTI episodes. We explored the impact of reduced viral transmission (mimicking NPIs) using a virtual population and in silico trials for the bacterial lysate OM-85 as prophylaxis for RTI. Ratio-based efficacy metrics are only impacted under strict lockdown whereas absolute benefit already is with intermediate NPIs (eg. mask-wearing). Consequently, despite NPI, trials may meet their relative efficacy endpoints (provided recruitment hurdles can be overcome) but are difficult to assess with respect to clinical relevance. These results advocate to report a variety of metrics for benefit assessment, to use adaptive trial design and adapted statistical analyses. They also question eligibility criteria misaligned with the actual disease burden.
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Affiliation(s)
| | | | | | | | | | | | | | - Ben Illigens
- Novadiscovery SA, Lyon, France
- Dresden International University, Dresden, Germany
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Courcelles E, Boissel JP, Massol J, Klingmann I, Kahoul R, Hommel M, Pham E, Kulesza A. Solving the Evidence Interpretability Crisis in Health Technology Assessment: A Role for Mechanistic Models? FRONTIERS IN MEDICAL TECHNOLOGY 2022; 4:810315. [PMID: 35281671 PMCID: PMC8907708 DOI: 10.3389/fmedt.2022.810315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 01/17/2022] [Indexed: 01/11/2023] Open
Abstract
Health technology assessment (HTA) aims to be a systematic, transparent, unbiased synthesis of clinical efficacy, safety, and value of medical products (MPs) to help policymakers, payers, clinicians, and industry to make informed decisions. The evidence available for HTA has gaps-impeding timely prediction of the individual long-term effect in real clinical practice. Also, appraisal of an MP needs cross-stakeholder communication and engagement. Both aspects may benefit from extended use of modeling and simulation. Modeling is used in HTA for data-synthesis and health-economic projections. In parallel, regulatory consideration of model informed drug development (MIDD) has brought attention to mechanistic modeling techniques that could in fact be relevant for HTA. The ability to extrapolate and generate personalized predictions renders the mechanistic MIDD approaches suitable to support translation between clinical trial data into real-world evidence. In this perspective, we therefore discuss concrete examples of how mechanistic models could address HTA-related questions. We shed light on different stakeholder's contributions and needs in the appraisal phase and suggest how mechanistic modeling strategies and reporting can contribute to this effort. There are still barriers dissecting the HTA space and the clinical development space with regard to modeling: lack of an adapted model validation framework for decision-making process, inconsistent and unclear support by stakeholders, limited generalizable use cases, and absence of appropriate incentives. To address this challenge, we suggest to intensify the collaboration between competent authorities, drug developers and modelers with the aim to implement mechanistic models central in the evidence generation, synthesis, and appraisal of HTA so that the totality of mechanistic and clinical evidence can be leveraged by all relevant stakeholders.
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Affiliation(s)
| | | | - Jacques Massol
- Phisquare Institute, Transplantation Foundation, Paris, France
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Boissel JP, Pérol D, Décousus H, Klingmann I, Hommel M. Using numerical modeling and simulation to assess the ethical burden in clinical trials and how it relates to the proportion of responders in a trial sample. PLoS One 2021; 16:e0258093. [PMID: 34634062 PMCID: PMC8504716 DOI: 10.1371/journal.pone.0258093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 09/21/2021] [Indexed: 01/24/2023] Open
Abstract
In order to propose a more precise definition and explore how to reduce ethical losses in randomized controlled clinical trials (RCTs), we set out to identify trial participants who do not contribute to demonstrating that the treatment in the experimental arm is superior to that in the control arm. RCTs emerged mid-last century as the gold standard for assessing efficacy, becoming the cornerstone of the value of new therapies, yet their ethical grounds are a matter of debate. We introduce the concept of unnecessary participants in RCTs, the sum of non-informative participants and non-responders. The non-informative participants are considered not informative with respect to the efficacy measured in the trial in contrast to responders who carry all the information required to conclude on the treatment's efficacy. The non-responders present the event whether or not they are treated with the experimental treatment. The unnecessary participants carry the burden of having to participate in a clinical trial without benefiting from it, which might include experiencing side effects. Thus, these unnecessary participants carry the ethical loss that is inherent to the RCT methodology. On the contrary, responders to the experimental treatment bear its entire efficacy in the RCT. Starting from the proportions observed in a real placebo-controlled trial from the literature, we carried out simulations of RCTs progressively increasing the proportion of responders up to 100%. We show that the number of unnecessary participants decreases steadily until the RCT's ethical loss reaches a minimum. In parallel, the trial sample size decreases (presumably its cost as well), although the trial's statistical power increases as shown by the increase of the chi-square comparing the event rates between the two arms. Thus, we expect that increasing the proportion of responders in RCTs would contribute to making them more ethically acceptable, with less false negative outcomes.
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Affiliation(s)
| | - David Pérol
- Department of Biostatistics, Centre Léon Bérard, Lyon, France
| | - Hervé Décousus
- INSERM, CIC 1408—F Crin, INNOVTE, CHU Saint-Etienne, Hôpital Nord, Service Médecine Vasculaire et Thérapeutique, Saint Etienne, France
| | - Ingrid Klingmann
- European Forum for Good Clinical Practice (EFGCP), Brussels, Belgium
| | - Marc Hommel
- Novadiscovery, Lyon, France
- University Hospital Grenoble, Grenoble, EA 4407 AGEIS UGA, France
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Patil VM, Abraham G, Noronha V, Joshi A, Menon N, Singh GK, Dhumal S, Prabhash K. The Pattern of Care of Use of Nivolumab in Head and Neck Cancers - Audit From a Tertiary Cancer Centre. Clin Oncol (R Coll Radiol) 2021; 33:342. [PMID: 33526335 DOI: 10.1016/j.clon.2021.01.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 01/07/2021] [Indexed: 11/29/2022]
Affiliation(s)
- V M Patil
- Department of Medical Oncology, Tata Memorial Centre and HBNI, Mumbai, India
| | - G Abraham
- Department of Medical Oncology, Tata Memorial Centre and HBNI, Mumbai, India
| | - V Noronha
- Department of Medical Oncology, Tata Memorial Centre and HBNI, Mumbai, India
| | - A Joshi
- Department of Medical Oncology, Tata Memorial Centre and HBNI, Mumbai, India
| | - N Menon
- Department of Medical Oncology, Tata Memorial Centre and HBNI, Mumbai, India
| | - G K Singh
- Department of Medical Oncology, Tata Memorial Centre and HBNI, Mumbai, India
| | - S Dhumal
- Department of Medical Oncology, Tata Memorial Centre and HBNI, Mumbai, India
| | - K Prabhash
- Department of Medical Oncology, Tata Memorial Centre and HBNI, Mumbai, India
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