Study of Durvalumab and Tremelimumab as First-line Treatment in Patients With Advanced Hepatocellular Carcinoma

NCT03298451 · HIMALAYA Phase 3Active, not recruiting

Lead sponsor
AstraZeneca (Industry)
Enrollment
1,324 (actual)
Start date
11 Oct 2017
Primary completion
27 Aug 2021 (actual)
Study completion
31 Dec 2027
Last update posted
7 Oct 2026

Design

Study type
Interventional
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel
Masking
None
Arms
4

Interventions

  • Durvalumab Drug
  • Tremelimumab (Regimen 1) Drug
  • Tremelimumab (Regimen 2) Drug
  • Sorafenib Drug
  • Durvalumab (Regimen 1) Drug
  • Durvalumab (Regimen 2) Drug

Conditions and primary outcome

  • Hepatocellular Carcinoma

Primary outcome

Overall Survival (OS) - Treme 300 mg x1 Dose + Durva 1500 mg vs Sora 400 mg (From the date of randomization until death due to any cause, assessed up to the data cut-off date (27Aug2021, to a maximum of approximately 46 months).)

Posted results on ClinicalTrials.gov

Source: ClinicalTrials.gov results for NCT03298451 (opens in a new tab)· Licence: public-domain

First posted · Last update posted · Imported from ClinicalTrials.gov download 2026-10-25

Primary outcomes with a statistical analysis

  1. Overall Survival (OS) - Treme 300 mg x1 Dose + Durva 1500 mg vs Sora 400 mg

    Time frame
    From the date of randomization until death due to any cause, assessed up to the data cut-off date (27Aug2021, to a maximum of approximately 46 months).
    Measure
    Median
    Unit
    months
    • Treme 300 mg x1 Dose + Durva 1500 mg vs Sora 400 mgSuperiority

      The analysis was performed using stratified log-rank test adjusting for treatment, etiology of liver disease (HBV versus HCV versus others), ECOG (0 versus 1), and macro-vascular invasion (yes versus no). The values of the stratification factors were obtained from IVRS.

      Estimate
      Not given
      CI
      Not given
      p-value
      0.0035
      Method
      Log Rank
    • Treme 300 mg x1 Dose + Durva 1500 mg vs Sora 400 mgSuperiority

      The analysis was performed using a Cox proportional hazards model adjusting for treatment, etiology of liver disease (HBV versus HCV versus others), ECOG (0 versus 1), and macro-vascular invasion (yes versus no). Values of the variables used for adjustment were obtained from IVRS.

      Estimate
      0.78Hazard Ratio (HR)
      95% CI, two-sided
      0.66 to 0.92
      p-value
      Not given
      Method
      Regression, Cox

Serious adverse events

Time frame: All treatment-emergent adverse events (TEAEs) were collected up to the final analysis DCO (27Aug2021, to a maximum of approximately 46 months).

Participants with serious adverse events per group for HIMALAYA, as posted
GroupAffectedAt risk
Durva 1500 mg115388
Treme 300 mg x1 Dose + Durva 1500 mg157388
Treme 75 mg x4 Doses + Durva 1500 mg52152
Sora 400 mg111374

Posted results as ClinicalTrials.gov prints them: primary outcome analyses and serious adverse event totals only. Registry facts, not reviewed by HealthTrade and not investment advice; filing-derived results are listed separately.

Source: ClinicalTrials.gov, U.S. National Library of Medicine. Listing a study does not mean NLM has evaluated it.

Results from company and journal sources

No editor-confirmed results are on record for this study.

Publications

8 on PubMed
  1. Plain language summary of five-year overall survival update from the HIMALAYA study of tremelimumab plus durvalumab in unresectable hepatocellular carcinoma (liver cancer).

    Future oncology (London, England) · 2026 May

  2. Early Safety Results from the Phase 3b SIERRA Study of Durvalumab and Tremelimumab as First-Line Treatment for Participants with Unresectable Hepatocellular Carcinoma and a Poor Prognosis.

    Liver cancer · 2025 Dec 18

  3. Five-year overall survival update from the HIMALAYA study of tremelimumab plus durvalumab in unresectable HCC.

    Journal of hepatology · 2025 Oct

  4. Outcomes in the Asian subgroup of the phase III randomised HIMALAYA study of tremelimumab plus durvalumab in unresectable hepatocellular carcinoma.

    Journal of hepatology · 2025 Feb

  5. Patient-Reported Outcomes From the Phase III HIMALAYA Study of Tremelimumab Plus Durvalumab in Unresectable Hepatocellular Carcinoma.

    Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2024 Aug 10

  6. FDA Approval Summary: Tremelimumab in Combination with Durvalumab for the Treatment of Patients with Unresectable Hepatocellular Carcinoma.

    Clinical cancer research : an official journal of the American Association for Cancer Research · 2024 Jan 17

  7. Addendum 1: Society for Immunotherapy of Cancer (SITC) clinical practice guideline on immunotherapy for the treatment of hepatocellular carcinoma.

    Journal for immunotherapy of cancer · 2023 Sep

  8. Tremelimumab plus Durvalumab in Unresectable Hepatocellular Carcinoma.

    NEJM evidence · 2022 Aug

Citations from PubMed, U.S. National Library of Medicine; abstracts are not stored. A publication lists this study’s NCT number and may be a review that cites many studies.

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Data integrity

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Drugs on HealthTrade

Source

Source: ClinicalTrials.gov, U.S. National Library of Medicine. Listing a study does not mean NLM has evaluated it.

Nothing on this page is medical or investment advice.