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Clinical trial · no report yet · Phase 3

PACIFIC-4

Durvalumab With Stereotactic Body Radiation Therapy (SBRT) vs Placebo With SBRT in Early Stage Unresected Non-small Cell Lung Cancer (NSCLC) Patients/ Osimertinib Following SBRT in Patients With Early Stage Unresected NSCLC Harboring an EGFR Mutation

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 threads23
Podcasts6
Bluesky threads1

The trial

ClinicalTrials.gov
Official title
A Phase III, Randomized, Placebo-controlled, Double-blind, Multi-center, International Study of Durvalumab With Stereotactic Body Radiation Therapy (SBRT) for the Treatment of Patients With Unresected Stage I/II, Lymph-node Negative Non-small Cell Lung Cancer (PACIFIC-4/RTOG-3515) Osimertinib Following SBRT, a Single Arm Cohort for Patients With Unresected Stage I/II, Lymph Node Negative NSCLC Harboring a Sensitizing EGFR Mutation
Phase
Phase 3
Status
Active, not recruiting
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Durvalumab; Placebo; (Osimertinib cohort, single-arm, open-label separate cohort)
Arms
  • SoC SBRT + Durvalumab Therapy (Main Cohort) · Experimental
  • SoC SBRT + Placebo Therapy (Main Cohort) · Placebo comparator
  • SoC SBRT + Osimertinib Therapy (Osimertinib cohort, single-arm, open-label separate cohort) · Experimental
Enrollment
724
Primary outcomes
  • Progression-Free Survival (PFS) assessed by Blinded Independent Central Review (BICR) according to RECIST 1.1 in subpopulation of patients with Stage I/II NSCLC
  • 4-year Progression-Free Survival (4y-PFS) by ICR according to RECIST 1.1 criteria
Sponsor
AstraZeneca
Start
Mar 6, 2019
Primary completion
Oct 31, 2028 (estimated)
Results posted
No
Registry record
NCT03833154 · updated Jul 20, 2026