ArticleGynecologic oncology2025
Patient outcomes in advanced ovarian cancer treated with an anti-FOLR1 antibody-drug conjugate.
Article in Gynecologic oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Real-world outcomes after Mirvetuximab Soravtansine treatment for recurrent ovarian Cancer: Results from a university setting.Gynecologic oncology reports · 2026Article
- Characterizing therapeutic target antigen expression in anaplastic carcinoma of the ovary.Gynecologic oncology reports · 2026Article
- Targeting VEGF, PARP, and FRα Pathways in Ovarian Cancer: Clinical Advances with Bevacizumab, Rucaparib, and Mirvetuximab Soravtansine.Journal of clinical medicine · 2026Review
- Antibody-drug conjugates and beyond in platinum-resistant ovarian cancer: A comprehensive review of emergent strategies.Therapeutic advances in medical oncology · 2026Review
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19 authors.
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Abstract
backgroundMirvetuximab soravtansine-gynx (MIRV) is a FOLR1-binding antibody-drug conjugate (ADC) with a microtubule inhibitor payload. We investigated MIRV's efficacy, toxicity profile, and determinants of resistance in a cohort of patients with recurrent/persistent high FOLR1-expressing high-grade serous ovarian cancer (HGSOC).
methodsThis retrospective study included 170 patients with recurrent/persistent FOLR1-high (≥75 % of tumor cells with ≥2+ membranous staining intensity) HGSOC who received standard-of-care MIRV monotherapy. We evaluated progression-free survival (PFS) and overall survival (OS) using the Kaplan-Meier method and multivariable Cox proportional hazards models. We classified adverse events using CTCAE v5.0.
resultsOverall, median PFS was 3.5 months (95 % CI, 3.0-4.1). However, 22.4 % had PFS ≥6 months and were less likely to have progressed on or within one month of prior taxane-based therapy (P = 0.008). Patients with previous progression on a taxane had worse PFS (HR, 1.69; 95 % CI, 1.19-2.40; adjusted P = 0.003) and OS (HR, 2.34; 95 % CI, 1.45-3.77; adjusted P = 0.0005). FOLR1 expression was lower in post-MIRV samples (n = 12; P = 0.005). New or worsening neuropathy was observed in 37.6 % of patients. Among the 34.1 % who experienced ocular toxicity, median onset was 42.5 days. Treatment was discontinued in 5.3 % of patients due to toxicity. DISCUSSION: MIRV confers meaningful PFS benefit for a subset of individuals with HGSOC. Resistance may be associated with decreased FOLR1 target expression or payload resistance. FOLR1-targeted ADCs with a different payload should be evaluated for patients who progress on MIRV but retain high tumor FOLR1 expression.
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