{"entity":{"id":"nct03972657","kind":"trial","name":"A Trial to Find Out if REGN5678 (Nezastomig) is Safe and How Well it Works Alone or in Combination With Cemiplimab for Adult Participants With Metasta","aka":[],"tldr":"A phase 1/2 trial of Cemiplimab in prostate cancer and renal cell carcinoma, run by Regeneron Pharmaceuticals, now recruiting.","summary":"A Trial to Find Out if REGN5678 (Nezastomig) is Safe and How Well it Works Alone or in Combination With Cemiplimab for Adult Participants With Metastatic Castration-Resistant Prostate Cancer and Other Tumors is a phase 1/2 interventional study registered as NCT03972657 by Regeneron Pharmaceuticals, with 345 participants planned, started 2019-08-12 and due to reach its primary completion in 2027-11-15. Interventions recorded: REGN5678, Cemiplimab. Conditions listed: Metastatic Castration-Resistant Prostate Cancer (mCRPC), Clear Cell Renal Cell Carcinoma (ccRCC). No results are recorded here; the registry entry is the source.","status":"recruiting","asOf":"2026-09-16","links":[{"label":"ClinicalTrials.gov NCT03972657","url":"https://clinicaltrials.gov/study/NCT03972657"}],"tags":["ctgov-ingest"],"related":[],"cancers":["prostate","rcc"],"sections":[],"technologies":[],"targets":[],"drugs":["cemiplimab"],"companies":["regeneron"],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"notes":[],"nct":"NCT03972657","phase":"1/2","setting":"A Phase 1/2 Study of REGN5678 (Anti-PSMAxCD28) With or Without Cemiplimab (Anti-PD-1) in Patients With Metastatic Castration-Resistant Prostate Cancer and Other Tumors Associated With PSMA Expression","sponsor":"Regeneron Pharmaceuticals","enrolled":345,"outcomes":[]},"route":"/trials/nct03972657/","neighbours":{"cancer":[{"id":"prostate","kind":"cancer","name":"Prostate cancer","route":"/cancers/prostate/"},{"id":"rcc","kind":"cancer","name":"Renal cell carcinoma","route":"/cancers/rcc/"}],"drug":[{"id":"cemiplimab","kind":"drug","name":"Cemiplimab","route":"/drugs/cemiplimab/"}],"company":[{"id":"regeneron","kind":"company","name":"Regeneron","route":"/companies/regeneron/"}]}}