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    Association details:
    Biomarker:FOLR1 expression
    Cancer:Peritoneal Cancer
    Drug:Elahere (mirvetuximab soravtansine-gynx) (Microtubule inhibitor, Folate receptor 1-targeted antibody-drug conjugate)
    Direction:Sensitive
    Evidence:
    Evidence Level:
    Sensitive: A2 - Guideline
    New
    Source:
    NCCN
    Excerpt:
    Acceptable Recurrence Therapies for Epithelial Ovarian (including LCOC)/Fallopian Tube/Primary Peritoneal Cancer….Recurrence Therapy for Platinum-Resistant Disease….Preferred Regimens...Targeted Therapy added: Mirvetuximab soravtansine-gynx (for FRα expressing tumors).
    Evidence Level:
    Sensitive: C2 – Inclusion Criteria
    New
    Source:
    clinicaltrials.gov
    Title:

    Mirvetuximab Soravtansine With Bevacizumab Versus Bevacizumab as Maintenance in Platinum-sensitive Ovarian, Fallopian Tube, or Peritoneal Cancer (GLORIOSA)

    Excerpt:
    ...Patients must be willing to provide an archival tumor tissue block or slides, or must undergo a procedure to obtain a new biopsy using a low-risk, medically routine procedure for IHC confirmation of high FRα expression (reported as "positive") as defined by the Ventana FOLR1 Assay....
    Trial ID:
    GLORIOSA
    Evidence Level:
    Sensitive: C2 – Inclusion Criteria
    New
    Source:
    clinicaltrials.gov
    Title:

    IMGN853 With Carboplatin in Second-line Treatment of FRα Expressing, Platinum-sensitive Epithelial Ovarian Cancer

    Excerpt:
    ...Patients must provide an archival tumor tissue block or slides, or undergo procedure to obtain a new biopsy using a low-risk, medically routine procedure for immunohistochemistry (IHC) confirmation of FRα positivity; FRα-expressing tumors will be defined and classified by the Ventana FOLR1 Assay into low, medium, and high expressions defined as 25%-49%, 50%-74%, and ≥ 75% of tumor cells with PS2+ staining intensity, respectively....
    Trial ID:
    NCT05456685
    More C2 evidence
    Evidence Level:
    Sensitive: C2 – Inclusion Criteria
    New
    Source:
    clinicaltrials.gov
    Title:

    Mirvetuximab Soravtansine Monotherapy in Platinum-Sensitive Epithelial, Peritoneal, and Fallopian Tube Cancers (PICCOLO)

    Excerpt:
    ...Patient's tumor must be positive for FRα expression as defined by the Ventana FOLR1 Assay 9....
    Trial ID:
    PICCOLO
    Evidence Level:
    Sensitive: C2 – Inclusion Criteria
    New
    Source:
    clinicaltrials.gov
    Title:

    Study of Carboplatin and Mirvetuximab Soravtansine in First-Line Treatment of Patients Receiving Neoadjuvant Chemotherapy With Advanced-Stage Ovarian, Fallopian Tube or Primary Peritoneal Cancer

    Excerpt:
    ...- Patient's tumor must be positive for FRα expression as defined by a score of PS2+ intensity in >75% of cells...
    Trial ID:
    NCT04606914
    Evidence Level:
    Sensitive: C2 – Inclusion Criteria
    New
    Source:
    clinicaltrials.gov
    Title:

    A Study of Mirvetuximab Soravtansine vs. Investigator's Choice of Chemotherapy in Platinum-Resistant, Advanced High-Grade Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancers With High Folate Receptor-Alpha Expression

    Excerpt:
    ...Patient's tumor must be positive for FRα expression as defined by the Ventana FOLR1 (FOLR-2.1) CDx assay 7....
    Trial ID:
    MIRASOL