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Clinical trial · no report yet · Phase 3

TOPAZ-1

Durvalumab or Placebo in Combination With Gemcitabine/Cisplatin in Patients With 1st Line Advanced Biliary Tract Cancer (TOPAZ-1)

We haven't built a report for this trial yet. This page shows the registry record and the public commentary we found that names the trial. A report reads that commentary and sets out what clinicians said about the trial, each point linked to its source. How reports are made.

Preliminary discovery

Commentary in our index that names this trial so far

Podcasts, YouTube videos and X posts we have indexed. A report screens them, searches for more and cites what clinicians said when it is built, so final coverage is set at build.

ChannelFound
X threads88
YouTube48
Podcasts47

The trial

ClinicalTrials.gov
Official title
A Phase III Randomized, Double-Blind Placebo Controlled, Multi-Regional, International Study of Durvalumab in Combination With Gemcitabine Plus Cisplatin Versus Placebo in Combination With Gemcitabine Plus Cisplatin for Patients With First-Line Advanced Biliary Tract Cancers
Phase
Phase 3
Status
Active, not recruiting
Conditions
Biliary Tract Neoplasms
Interventions
Durvalumab; Placebo
Arms
  • Treatment Arm · Experimental
  • Placebo Arm · Placebo comparator
Enrollment
810
Primary outcomes
  • Overall Survival (OS)
  • Overall Survival (OS) Rate at 18 Months
  • Overall Survival (OS) Rate at 24 Months
Sponsor
AstraZeneca
Start
Apr 16, 2019
Primary completion
Aug 11, 2021
Results posted
Yes
Registry record
NCT03875235 · updated Aug 26, 2026

Publications

linked from the registry
  • Oh DY, He AR, Qin S, Chen LT, Okusaka T, Griffin R, Wang J, Xynos I, Vogel A, Valle JW. Durvalumab Plus Chemotherapy for Advanced Biliary Tract Cancer: A Post Hoc Analysis of the TOPAZ-1 Randomized Clinical Trial. JAMA Oncol. 2026 Jul 9:e262204. doi: 10.1001/jamaoncol.2026.2204. Online ahead of print. PubMed 42424063
  • Antonuzzo L, Takahashi H, Park JO, Sookprasert A, Gillmore R, Yang SS, Cundom J, Petrova M, Vaccaro G, Holmblad M, Zotkiewicz M, Wang J, Rokutanda N, Oh DY. Immune-mediated adverse events in the randomized phase 3 TOPAZ-1 study of durvalumab plus gemcitabine and cisplatin in advanced biliary tract cancer. Oncologist. 2025 Jul 4;30(7):oyaf148. doi: 10.1093/oncolo/oyaf148. PubMed 40622010
  • Oh DY, He AR, Qin S, Chen LT, Okusaka T, Kim JW, Suksombooncharoen T, Lee MA, Kitano M, Burris HA, Bouattour M, Tanasanvimon S, Zaucha R, Avallone A, Cundom J, Kuzko A, Wang J, Xynos I, Vogel A, Valle JW. Durvalumab plus chemotherapy in advanced biliary tract cancer: 3-year overall survival update from the phase III TOPAZ-1 study. J Hepatol. 2025 Nov;83(5):1092-1101. doi: 10.1016/j.jhep.2025.05.003. Epub 2025 May 15. PubMed 40381735
  • Oh DY, He AR, Bouattour M, Okusaka T, Qin S, Chen LT, Kitano M, Lee CK, Kim JW, Chen MH, Suksombooncharoen T, Ikeda M, Lee MA, Chen JS, Potemski P, Burris HA 3rd, Ostwal V, Tanasanvimon S, Morizane C, Zaucha RE, McNamara MG, Avallone A, Cundom JE, Breder V, Tan B, Shimizu S, Tougeron D, Evesque L, Petrova M, Zhen DB, Gillmore R, Gupta VG, Dayyani F, Park JO, Buchschacher GL Jr, Rey F, Kim H, Wang J, Morgan C, Rokutanda N, Zotkiewicz M, Vogel A, Valle JW. Durvalumab or placebo plus gemcitabine and cisplatin in participants with advanced biliary tract cancer (TOPAZ-1): updated overall survival from a randomised phase 3 study. Lancet Gastroenterol Hepatol. 2024 Aug;9(8):694-704. doi: 10.1016/S2468-1253(24)00095-5. Epub 2024 May 29. PubMed 38823398
  • Burris HA 3rd, Okusaka T, Vogel A, Lee MA, Takahashi H, Breder V, Blanc JF, Li J, Bachini M, Zotkiewicz M, Abraham J, Patel N, Wang J, Ali M, Rokutanda N, Cohen G, Oh DY. Durvalumab plus gemcitabine and cisplatin in advanced biliary tract cancer (TOPAZ-1): patient-reported outcomes from a randomised, double-blind, placebo-controlled, phase 3 trial. Lancet Oncol. 2024 May;25(5):626-635. doi: 10.1016/S1470-2045(24)00082-2. PubMed 38697156
  • Keller HR, Fluke L, Forrester JA, Wolf RF. Identifying Indications for Neoadjuvant Therapy in Cholangiocarcinoma. Oncology (Williston Park). 2024 Apr 11;38(4):160-162. doi: 10.46883/2024.25921017. PubMed 38661512
  • Oh DY, Ruth He A, Qin S, Chen LT, Okusaka T, Vogel A, Kim JW, Suksombooncharoen T, Ah Lee M, Kitano M, Burris H, Bouattour M, Tanasanvimon S, McNamara MG, Zaucha R, Avallone A, Tan B, Cundom J, Lee CK, Takahashi H, Ikeda M, Chen JS, Wang J, Makowsky M, Rokutanda N, He P, Kurland JF, Cohen G, Valle JW. Durvalumab plus Gemcitabine and Cisplatin in Advanced Biliary Tract Cancer. NEJM Evid. 2022 Aug;1(8):EVIDoa2200015. doi: 10.1056/EVIDoa2200015. Epub 2022 Jun 1. PubMed 38319896