{"entity":{"id":"nct06710847","kind":"trial","name":"A Study to Investigate the Safety, Pharmacokinetics, and Preliminary Effectiveness of GSK4418959 Alone or in Combination With Other Anti-cancer Agents in Participants With Solid Tumors","aka":["SYLVER"],"tldr":"A phase 1/2 trial of GSK4418959 in colorectal cancer and endometrial cancer, run by GlaxoSmithKline, active and no longer recruiting.","summary":"A Study to Investigate the Safety, Pharmacokinetics, and Preliminary Effectiveness of GSK4418959 Alone or in Combination With Other Anti-cancer Agents in Participants With Solid Tumors is a phase 1/2 interventional study registered as NCT06710847 by GlaxoSmithKline, with 14 participants enrolled, started 2024-12-13 and due to reach its primary completion in 2026-06-22. Interventions recorded: GSK4418959 and PD-1 inhibitor.","status":"active","asOf":"2026-09-16","links":[{"label":"ClinicalTrials.gov NCT06710847","url":"https://clinicaltrials.gov/study/NCT06710847"}],"tags":["pipeline","ctgov-ingest"],"related":[],"cancers":["colorectal","endometrial","msi-high-colorectal","endometrial-mmr-deficient"],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":["gsk","ideaya-biosciences"],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"nct":"NCT06710847","phase":"1/2","setting":"A Phase 1/2 First-Time-in-Human, Open-label, Multicenter, Dose Escalation and Expansion Study of the Oral DNA Helicase Werner Inhibitor (WRNi) GSK4418959 Alone or in Combination With Other Anti-cancer Agents in Adult Participants With Mismatch Repair-deficient (dMMR) or Microsatellite Instability-High (MSI-H) Solid Tumors (SYLVER)","sponsor":"GlaxoSmithKline","started":"2024-12-13","startedType":"actual","enrolled":14,"enrolledBasis":"registry","outcomes":[]},"route":"/trials/nct06710847/","neighbours":{"cancer":[{"id":"colorectal","kind":"cancer","name":"Colorectal cancer","route":"/cancers/colorectal/"},{"id":"endometrial","kind":"cancer","name":"Endometrial cancer","route":"/cancers/endometrial/"},{"id":"msi-high-colorectal","kind":"cancer","name":"Mismatch-repair deficient (MSI-high) colorectal cancer","route":"/cancers/msi-high-colorectal/"},{"id":"endometrial-mmr-deficient","kind":"cancer","name":"Mismatch-repair-deficient endometrial cancer","route":"/cancers/endometrial-mmr-deficient/"}],"company":[{"id":"gsk","kind":"company","name":"GSK","route":"/companies/gsk/"},{"id":"ideaya-biosciences","kind":"company","name":"IDEAYA Biosciences","route":"/companies/ideaya-biosciences/"}]}}