Study of SBRT/Olaparib Followed by Pembrolizumab/Olaparib in Gastric Cancers

Study of SBRT/Olaparib Followed by Pembrolizumab/Olaparib in Gastric Cancers
Experimental: HR deficient cohort

Pre-identified presence of somatic or germline deleterious mutation, as determined by NGS only, in at least one gene critical to DNA repair through homologous recombination, including but not limited to: ARID1A, ATM, ATRX, MRE11A, NBN, PTEN, RAD50/51/51B, BARD1, BLM, BRCA1, BRCA2, BRIP1, FANCA/C/D2/E/F/G/L, PALB2, WRN, CHEK2, CHEK1, BAP1, FAM175A, SLX4, MLL2 or XRCC.

Drug: Pembrolizumab

Pembrolizumab 200mg IV every 3 weeks starting C2D1

Other Name: Keytruda

Drug: Olaparib

Olaparib 200mg orally twice daily starting C1D1 concurrently with radiation. Starting C2D1, Olaparib 300mg orally twice with Pembrolizumab

Other Name: Lynparza

Radiation: Stereotactic Body Radiation Therapy

Stereotactic Body Radiation Therapy Dose 25Gy in 5 fractions daily (M-F) for 5 days starting C1D1 with Olaparib

Other Name: SBRT

Source: View full study details on

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January 6, 2023Comments | Gastroenterology Clinical Trials | Gastroenterology Studies | US National Library of Medicine