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| Gene | RAD51B |
| Variant | fusion |
| Impact List | fusion |
| Protein Effect | unknown |
| Gene Variant Descriptions | RAD51B fusion indicates a fusion of the RAD51B gene, but the fusion partner is unknown. |
| Associated Drug Resistance | |
| Category Variants Paths |
RAD51B mutant RAD51B rearrange RAD51B fusion |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| RAD51B rearrange | prostate cancer | predicted - sensitive | Rucaparib | Case Reports/Case Series | Actionable | In a Phase II trial (TRITON2), a patient with metastatic castrate-resistant prostate cancer harboring a RAD51B rearrangement demonstrated a PSA response and partial radiographic response after treatment with Rubraca (rucaparib), which were ongoing at the time of visit cutoff (PMID: 32086346; NCT02952534). | 32086346 |
| RAD51B mutant | ovary serous adenocarcinoma | predicted - sensitive | Cediranib + Olaparib | Clinical Study - Cohort | Actionable | In a Phase II trial, Cediranib (AZD-2171) and Lynparza (olaparib) treatment was well tolerated, and resulted in an objective response (OR) of 9% (all partial), a 16-week progression-free survival (PFS) of 47%, and a disease control rate (DCR) of 68% in heavily pretreated high-grade serous ovarian cancer patients (n=34), and a median PFS of 4.8 months in patients (n=14) harboring mutations in either BRCA1, BRCA2, or RAD51B (PMID: 32444417; NCT02681237). | 32444417 |