Cost-Effectiveness of Pembrolizumab as First-Line Treatment in Patients with Persistent, Recurrent, or Metastatic Cervical Cancer in the United States.
Bradley J Monk, Sophie van Mens, Oliver Hale, Jennifer Boer, Frank van Hees, Shilpi Swami, Dominic Muston, Cumhur Tekin, Steve Keefe, Matthew Monberg
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引用次数: 0
Abstract
Introduction: First-line treatment of persistent, recurrent, or metastatic (advanced) cervical cancer in patients who have a combined positive score (CPS) ≥ 1 with pembrolizumab + chemotherapy versus standard-of-care chemotherapy provides meaningful improvements in overall survival. We conducted a cost-effectiveness analysis from a US payer perspective. A societal perspective scenario was also considered, including productivity gains.
Methods: The cost-effectiveness of pembrolizumab + chemotherapy versus chemotherapy was assessed using a state-transition model comprising the health states "pre-progression," "post-progression," and "death," with a 1-week cycle length and 50-year time horizon. Patient-level KEYNOTE-826 data informed the efficacy, safety, and health-related quality of life of pembrolizumab + chemotherapy versus chemotherapy at first-line and subsequent treatments. Real-world data were sought to cost subsequent treatments according to US clinical practice. Transition probabilities were derived from parametric survival models fit to time-to-progression, progression-free survival, and post-progression survival patient-level KEYNOTE-826 data. Sensitivity analyses explored the impact on outcomes from variables such as bevacizumab use.
Results: According to the state-transition model, pembrolizumab + chemotherapy extended mean life expectancy versus chemotherapy from 1.8 to 6.7 life-years. The mean gain of 4.9 life-years/patient was mostly caused by pembrolizumab delaying progression. Total discounted quality-adjusted life-years (QALY) were 5.0 and 1.3 per patient for pembrolizumab + chemotherapy and chemotherapy, respectively (mean gain: 3.7 QALY/patient). Pembrolizumab + chemotherapy had comparable safety outcomes to chemotherapy alone. Total costs incurred were US $320,247 (pembrolizumab + chemotherapy) versus US $105,446 (chemotherapy; mean incremental costs: US $214,801/patient). The incremental cost-effectiveness ratio of pembrolizumab + chemotherapy versus chemotherapy was US $58,446/QALY. Sensitivity analyses showed results were insensitive to bevacizumab use. Including productivity gains led to an incremental cost-effectiveness ratio of US $58,385 per QALY.
Conclusions: Our model-based analysis suggests that first-line treatment of pembrolizumab + chemotherapy in advanced cervical cancer with a CPS ≥ 1 offers a substantial clinical benefit over standard-of-care chemotherapy alone and is cost-effective at a willingness-to-pay threshold of US $150,000. The approximate doubling of life-years and QALYs associated with pembrolizumab + chemotherapy represents a step improvement in the treatment of advanced cervical cancer.
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Aims and Scope
Oncology and Therapy is an international, peer reviewed, rapid-publication (peer review in 2 weeks, published 3–4 weeks from acceptance) journal dedicated to the publication of high-quality pre-clinical, clinical (all phases), observational, real-world, and health outcomes research around the discovery, development, and use of therapeutics and interventions (including devices) across all therapeutic areas. Studies relating to diagnostics and diagnosis, pharmacoeconomics, public health, epidemiology, quality of life, and patient care, management, and education are also encouraged.
The journal is of interest to a broad audience of healthcare professionals and publishes original research, reviews, communications and letters. The journal is read by a global audience and receives submissions from all over the world. Oncology and Therapy will consider all scientifically sound research be it positive, confirmatory or negative data. Submissions are welcomed whether they relate to an international and/or a country-specific audience, something that is crucially important when researchers are trying to target more specific patient populations. This inclusive approach allows the journal to assist in the dissemination of all scientifically and ethically sound research.
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The journal’s rapid publication timelines aim for a peer review decision within 2 weeks of submission. If an article is accepted it will be published online 3-4 weeks from acceptance. These rapid timelines are achieved through the combination of a dedicated in-house editorial team, who closely manage article workflow, and an extensive Editorial and Advisory Board who assist with rapid peer review. This allows the journal to support the rapid dissemination of research, whilst still providing robust peer review. Combined with the journal’s open access model this allows for the rapid and efficient communication of the latest research and reviews, allowing the advancement of clinical therapies.
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The journal’s dedicated in-house editorial team offer a personal “concierge service” meaning that authors will always have a personal point of contact able to update them on the status of their manuscript. The editorial team check all manuscripts to ensure that articles conform to the most recent COPE, GPP and ICMJE publishing guidelines. This supports the publication of ethically sound and transparent research. We also encourage pre-submission enquiries and are always happy to provide a confidential assessment of manuscripts.
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Upon submission, manuscripts are assessed by the editorial team to ensure they fit within the aims and scope of the journal and are also checked for plagiarism. All suitable submissions are then subject to a comprehensive single-blind peer review. Reviewers are selected based on their relevant expertise and publication history in the subject area. The journal has an extensive pool of editorial and advisory board members who have been selected to assist with peer review based on the afore-mentioned criteria.
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For more information about the journal, including pre-submission enquiries, please contact managing editor Lydia Alborn at lydia.alborn@springer.com.
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