NCT05211895 · AstraZeneca
A Global Study to Assess the Effects of Durvalumab + Domvanalimab Following Concurrent Chemoradiation in Participants With Stage III Unresectable NSCLC
(PACIFIC-8)
What this study is about
This is a Phase III, randomised, where neither patients nor doctors know which treatment is given, compared against an inactive treatment, multicentre, international study assessing the effectiveness and safety of durvalumab (MEDI4736) and domvanalimab (AB154) compared with durvalumab plus placebo in adults with locally advanced (Stage III), unresectable NSCLC whose disease has not progressed following definitive platinum-based cCRT.
View original scientific description
This is a Phase III, randomised, double-blind, placebo-controlled, multicentre, international study assessing the efficacy and safety of durvalumab (MEDI4736) and domvanalimab (AB154) compared with durvalumab plus placebo in adults with locally advanced (Stage III), unresectable NSCLC whose disease has not progressed following definitive platinum-based cCRT.
Interventions
DRUG
Durvalumab
Durvalumab IV (Intravenous infusion)
DRUG
Domvanalimab
Domvanalimab IV (Intravenous infusion)
OTHER
Placebo
Placebo IV (Intravenous infusion)
Primary outcome measures
Progression Free Survival (PFS)
Time frame: Up to 8 years after randomization
Defined as time from randomisation until progression per RECIST 1.1 as assessed by Blinded Independent Central Review (BICR), or death due to any cause in participants with PD-L1 TC ≥ 50%.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- Participant must be ≥ 18 years at the time of screening. 2. Histologically- or cytologically-documented NSCLC and have been treated with concurrent CRT for locally advanced, unresectable (Stage III) disease 3. Provision of a tumour tissue sample obtained prior to CRT 4. Documented tumour PD-L1 status ≥ 1% by central lab 5. Documented EGFR and ALK wild-type status (local or central). 6. Patients must not have progressed following definitive, platinum-based, concurrent chemoradiotherapy 7. Participants must have received at least 2 cycles of platinum-based chemotherapy concurrent with radiation therapy 8. Participants must have received a total dose of radiation of 60 Gy ±10% (54 Gy to 66 Gy) as part of the chemoradiation therapy, to be randomised. Radiation therapy should be administered by intensity modulated RT (preferred) or 3D-conforming technique. 9. WHO performance status of 0 or 1 at randomization 10. Adequate organ and marrow function
Where
- Chandler, Arizona
- Phoenix, Arizona
- Fountain Valley, California
- Santa Rosa, California
- Washington D.C., District of Columbia
- Jacksonville, Florida
- Orlando, Florida
- Saint Augustine, Florida
- Macon, Georgia
- Elmhurst, Illinois
- Maywood, Illinois
- Naperville, Illinois
And 28 more locations — see the full list below.
Collaborators
Arcus Biosciences, Inc.
Related conditions & keywords
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Jun 10, 2026 · Source of record for eligibility and locations