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Introduction <p>Elranatamab is a bispecific anti-B-cell maturation antigen (BCMA) and -CD3 antibody recently approved in Spain for the treatment of adult patients with triple-class exposed relapsed and refractory multiple myeloma (TCE-RRMM). The objective of this analysis was to assess its cost-effectiveness versus teclistamab, another recently approved bispecific antibody, and a treatment basket representing current physician’s choice of&#xa0;treatment (PCT).</p> Methods <p>A partitioned survival model with three health states was adapted to the Spanish setting. Efficacy data were obtained from the MagnetisMM-3 clinical trial for elranatamab, and from a matching adjusted indirect comparison (MAIC) of elranatamab versus teclistamab and PCT. Utility values were gathered from the MagnetisMM-3 trial for each health state. Only direct costs (2024 €) were considered. Deterministic and probabilistic sensitivity analyses were conducted to assess the uncertainty of the variables and determine the robustness of the results.</p> Results <p>Treatment with elranatamab is cost-effective compared to PCT, generating 0.92 additional quality-adjusted life years (QALYs) and an additional €17,860 over a lifetime horizon, yielding an incremental cost-effectiveness ratio (ICER) of €24,754/QALY. Elranatamab is dominant (less costly, more effective) versus teclistamab, providing 0.60 additional QALYs and generating cost savings (− €101,026). Sensitivity analyses confirmed the direction of the base case results.</p> Conclusion <p>Elranatamab is a cost-effective treatment versus PCT and dominant over teclistamab for the treatment of adult patients with TCE-RRMM in the Spanish setting.</p>

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Cost-Effectiveness of Elranatamab Versus Current Therapies for the Management of Patients with Triple-Class Exposed, Relapsed and Refractory Multiple Myeloma, Including Other Bispecific and Physician’s Choice of Treatment in Spain

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月7日

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  • Cristina Encinas,
  • Virginia Lozano,
  • Patrick Hlavacek,
  • Julia Llinares,
  • Sofía Toribio-Castelló,
  • David Carcedo,
  • Jordi Asís-Montalt,
  • Joaquín Martínez-López

摘要

Introduction

Elranatamab is a bispecific anti-B-cell maturation antigen (BCMA) and -CD3 antibody recently approved in Spain for the treatment of adult patients with triple-class exposed relapsed and refractory multiple myeloma (TCE-RRMM). The objective of this analysis was to assess its cost-effectiveness versus teclistamab, another recently approved bispecific antibody, and a treatment basket representing current physician’s choice of treatment (PCT).

Methods

A partitioned survival model with three health states was adapted to the Spanish setting. Efficacy data were obtained from the MagnetisMM-3 clinical trial for elranatamab, and from a matching adjusted indirect comparison (MAIC) of elranatamab versus teclistamab and PCT. Utility values were gathered from the MagnetisMM-3 trial for each health state. Only direct costs (2024 €) were considered. Deterministic and probabilistic sensitivity analyses were conducted to assess the uncertainty of the variables and determine the robustness of the results.

Results

Treatment with elranatamab is cost-effective compared to PCT, generating 0.92 additional quality-adjusted life years (QALYs) and an additional €17,860 over a lifetime horizon, yielding an incremental cost-effectiveness ratio (ICER) of €24,754/QALY. Elranatamab is dominant (less costly, more effective) versus teclistamab, providing 0.60 additional QALYs and generating cost savings (− €101,026). Sensitivity analyses confirmed the direction of the base case results.

Conclusion

Elranatamab is a cost-effective treatment versus PCT and dominant over teclistamab for the treatment of adult patients with TCE-RRMM in the Spanish setting.