A Study to Evaluate Chemotherapy Plus Osimertinib Against Chemotherapy Plus Placebo in Patients With Non-small Cell Lung Cancer (NSCLC) (COMPEL)

March 31, 2026 updated by: AstraZeneca

A Phase III, Randomized, Double-Blind, Placebo-Controlled Study of Platinum Plus Pemetrexed Chemotherapy Plus Osimertinib Versus Platinum Plus Pemetrexed Chemotherapy Plus Placebo in Patients With EGFRm, Locally Advanced or Metastatic NSCLC Who Have Progressed Extracranially Following First-Line Osimertinib Therapy (COMPEL)

The study will evaluate the efficacy and safety of treatment with chemotherapy in combination with osimertinib compared to chemotherapy in combination with placebo in patients whose disease has progressed extracranially following first-line osimertinib treatment.

Study Overview

Detailed Description

This is a Phase III, randomized, double-blind, placebo-controlled study of platinum plus pemetrexed chemotherapy plus osimertinib versus platinum plus pemetrexed chemotherapy plus placebo in patients with epidermal growth factor receptor mutation-positive (EGFRm), locally advanced or metastatic NSCLC with or wihout stable brain metastases who responded to first-line osimertinib therapy (complete response [CR] or partial response [PR]) or stable disease (SD) for ≥ 6 months during first-line osimertinib treatment, and subsequently experienced radiological, extracranial disease progression. Approximately 204 patients were to be randomized in a 1:1 ratio to treatment with platinum plus pemetrexed chemotherapy plus osimertinib (Treatment Arm A) or platinum plus pemetrexed chemotherapy plus placebo (Treatment Arm B). However, the number of patients has been reduced to approximately 80 patients due to treatment landscape changes which outpaced study recruitment. Patients will be stratified based on the presence of brain metastases (stable brain metastases based on central nervous system (CNS) Response Evaluation Criteria in Solid Tumors, Version 1.1 [RECIST 1.1] assessments versus no brain metastases).

The 2 randomized treatment regimens are as follows:

  • Treatment Arm A: Osimertinib 80 mg once daily (QD) with pemetrexed (500 mg/m^2) (with pre-treatment) plus either cisplatin (75 mg/m^2) or carboplatin (area under the concentration-time curve [AUC] 5), both administered on Day 1 of 21-day cycles for 4 cycles, followed by osimertinib 80 mg QD plus pemetrexed maintenance (500 mg/m^2) on Day 1 of 21-day cycles
  • Treatment Arm B: Placebo QD with pemetrexed (500 mg/m^2) (with pre-treatment) plus either cisplatin (75 mg/m^2) or carboplatin (AUC5), both administered on Day 1 of 21-day cycles for 4 cycles, followed by placebo QD plus pemetrexed maintenance (500 mg/m^2) on Day 1 of 21-day cycles.

Study Type

Interventional

Enrollment (Actual)

98

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Beijing, China, 100142
        • Research Site
      • Beijing, China, 100005
        • Research Site
      • Ganzhou, China, 341099
        • Research Site
      • Guangzhou, China, 510080
        • Research Site
      • Jinan, China, 250013
        • Research Site
      • Shenyang, China, 110001
        • Research Site
      • Tianjin, China, 300060
        • Research Site
      • Zhengzhou, China, 450008
        • Research Site
      • Berlin, Germany, 12351
        • Research Site
      • Cologne, Germany, 50937
        • Research Site
      • Cologne, Germany, 51109
        • Research Site
      • Hanover, Germany, 30625
        • Research Site
      • München, Germany, D-80336
        • Research Site
      • Beersheba, Israel, 84101
        • Research Site
      • Jerusalem, Israel, 9112001
        • Research Site
      • Jerusalem, Israel, 9103102
        • Research Site
      • Kfar Saba, Israel, 4428164
        • Research Site
      • Tel Aviv, Israel, 6423906
        • Research Site
      • Tel Litwinsky, Israel, 52621
        • Research Site
      • Florence, Italy, 50134
        • Research Site
      • Meldola, Italy, 47014
        • Research Site
      • Messina, Italy, 98158
        • Research Site
      • Naples, Italy, 80131
        • Research Site
      • Padova, Italy, 35128
        • Research Site
      • Roma, Italy, 00168
        • Research Site
      • Terni, Italy, 05100
        • Research Site
      • Verona, Italy, 37124
        • Research Site
      • Alicante, Spain, 03010
        • Research Site
      • Barcelona, Spain, 08907
        • Research Site
      • Córdoba, Spain, 14004
        • Research Site
      • León, Spain, 24071
        • Research Site
      • Madrid, Spain, 28040
        • Research Site
      • Murcia, Spain, 30008
        • Research Site
      • Málaga, Spain, 29010
        • Research Site
      • Oviedo, Spain, 33011
        • Research Site
      • Palma de Mallorca, Spain, 07010
        • Research Site
      • Seville, Spain, 41013
        • Research Site
      • Valencia, Spain, 46010
        • Research Site
    • Maryland
      • Silver Spring, Maryland, United States, 20910
        • Research Site
    • Massachusetts
      • Boston, Massachusetts, United States, 02114
        • Research Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 130 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Capable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the informed consent form and in this protocol.
  2. Pathologically confirmed non-squamous NSCLC.
  3. Locally advanced (clinical stage IIIB or IIIC) or metastatic NSCLC (clinical stage IVA or IVB) or recurrent NSCLC, not amenable to curative surgery or radiotherapy.
  4. Evidence of radiological extracranial disease progression following (Investigator-assessed) response or SD for ≥ 6 months during first-line osimertinib treatment, but who have not received further, subsequent treatment.
  5. Tumor known to harbor 1 of the 2 or both common epidermal growth factor receptor (EGFR) mutations known to be associated with EGFR tyrosine kinase inhibitor (TKI) sensitivity (Ex19del or L858R), either alone or in combination with other EGFR mutations, which may include T790M.
  6. World Health Organization performance status of 0 to 1 at screening with no clinically significant deterioration in the previous 2 weeks.
  7. Life expectancy >12 weeks at Day 1.
  8. At least 1 lesion, not previously irradiated, that can be accurately measured.
  9. Females must be using highly effective contraceptive measures, and must have a negative pregnancy test prior to start of dosing if of childbearing potential, or must have evidence of non-childbearing potential by fulfilling criteria at screening.
  10. Male patients must be willing to use barrier contraception

Exclusion Criteria:

  1. Clinical or radiological evidence of CNS progression on first-line osimertinib.
  2. Past medical history of interstitial lung disease (ILD)/pneumonitis, drug-induced ILD/pneumonitis, radiation pneumonitis that required steroid treatment, or any evidence of clinically active ILD/pneumonitis.
  3. Any evidence of severe or uncontrolled systemic diseases.
  4. Any of the following cardiac criteria:

    i) Mean resting QTc >470 msec ii) Any clinically important abnormalities in rhythm, conduction, or morphology of resting electrocardiogram iii) Any factors that increase the risk of QTc prolongation or risk of arrhythmic events

  5. Any concurrent and/or other active malignancy that has required treatment within 2 years of first dose of investigational product (IP).
  6. Any unresolved toxicities from prior therapy.
  7. Refractory nausea and vomiting, chronic gastrointestinal diseases, inability to swallow the formulated product, or previous significant bowel resection that would preclude adequate absorption of osimertinib.
  8. More than 4 weeks elapsed since last dose of osimertinib by date of randomization.
  9. Unable to tolerate osimertinib 80 mg first-line therapy.
  10. Prior treatment with any systemic anti-cancer therapy.
  11. Major surgery within 4 weeks of the first dose of IP.
  12. Radiotherapy treatment to more than 30% of the bone marrow or with a wide field of radiation within 4 weeks of the first dose of IP.
  13. Current use of medications or herbal supplements known to be strong inducers of cytochrome P450 (CYP) 3A4.
  14. Participation in another clinical study with an IP other than first-line osimertinib during the 4 weeks prior to Day 1.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Treatment Arm A
All randomized patients will receive osimertinib 80 mg QD with pemetrexed (500 mg/m^2) (with pre-treatment) plus either cisplatin (75 mg/m^2) or carboplatin ([AUC] 5), both administered on Day 1 of 21-day cycles for 4 cycles, followed by osimertinib 80 mg QD plus pemetrexed maintenance (500 mg/m^2) on Day 1 of 21-day cycles
Randomized patients will receive oral dose of osimertinib with intravenous (IV) pemetrexed plus either IV cisplatin or IV carboplatin
Placebo Comparator: Treatment Arm B
All randomized patients will receive placebo QD with pemetrexed (500 mg/m^2) (with pre-treatment) plus either cisplatin (75 mg/m^2) or carboplatin (AUC5), both administered on Day 1 of 21-day cycles for 4 cycles, followed by placebo QD plus pemetrexed maintenance (500 mg/m^2) on Day 1 of 21-day cycles
Randomized patients will receive oral dose of placebo matching osimertinib with IV pemetrexed plus either IV cisplatin or IV carboplatin

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Progression Free Survival (PFS)
Time Frame: From date of first dose (Day 1) until date of progression at local site or death due to any cause or data cut-off date whichever occurred first (up to 3 years 1 month)
Progression free survival is defined as time from randomization until progression (intracranial or extracranial, whichever occurs first) per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 (for extracranial progression) and Central nervous system (CNS) RECIST 1.1 (for intracranial progression) as assessed by the Investigator at local site or death due to any cause.
From date of first dose (Day 1) until date of progression at local site or death due to any cause or data cut-off date whichever occurred first (up to 3 years 1 month)

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Extracranial Progression Free-survival
Time Frame: From date of first dose (Day 1) until date of extracranial progression at local site or death due to any cause or data cut-off date whichever occurred first (up to 3 years 1 month)
Extracranial PFS is defined as time from randomization until extracranial progression per RECIST 1.1 as assessed by the Investigator at local site or death due to any cause.
From date of first dose (Day 1) until date of extracranial progression at local site or death due to any cause or data cut-off date whichever occurred first (up to 3 years 1 month)
Overall Survival (OS)
Time Frame: From date of first dose (Day 1) until post progression survival follow-up (up to 3 years 1 month)
Overall survival is defined as the length of time from randomization until the date of death due to any cause.
From date of first dose (Day 1) until post progression survival follow-up (up to 3 years 1 month)
Intracranial Progression Free Survival in Participants With Brain Metastases at Baseline
Time Frame: Assessed from date of first dose (Day 1) until date of intracranial progression at local site or death due to any cause or data cut off date whichever occurred first (up to 3 years 1 month), data for 6 months reported

Intracranial PFS (IC-PFS) is defined as time from randomization until intracranial progression per CNS RECIST 1.1 as assessed by the Investigator at local site or death due to any cause.

For participants with brain metastases at baseline, the IC-PFS rate at specified timepoints was estimated using the Kaplan-Meier method which indicated the percentage of these participants who remain alive and free from intracranial progression per CNS RECIST 1.1 as assessed by the Investigator. The data was calculated throughout the study as per the below timeframe but IC-PFS rate at 6 months has been presented as it was clinically relevant.

Assessed from date of first dose (Day 1) until date of intracranial progression at local site or death due to any cause or data cut off date whichever occurred first (up to 3 years 1 month), data for 6 months reported
Intracranial Progression Free Survival in Participants Without Brain Metastases at Baseline
Time Frame: Assessed from date of first dose (Day 1) until date of intracranial progression at local site or death due to any cause or data cut off date whichever occurred first (up to 3 years 1 month), data for 6 months reported

Intracranial PFS (IC-PFS) is defined as time from randomization until intracranial progression per CNS RECIST 1.1 as assessed by the Investigator at local site or death due to any cause.

For participants without brain metastases at baseline, the IC-PFS rate at specified timepoints was estimated using the Kaplan-Meier method which indicated the percentage of these participants who remain alive and free from intracranial progression per CNS RECIST 1.1 as assessed by the Investigator. The data was calculated throughout the study as per the below timeframe but IC-PFS rate at 6 months has been presented as it was clinically relevant.

Assessed from date of first dose (Day 1) until date of intracranial progression at local site or death due to any cause or data cut off date whichever occurred first (up to 3 years 1 month), data for 6 months reported

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Collaborators

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 12, 2021

Primary Completion (Actual)

October 28, 2024

Study Completion (Estimated)

June 2, 2027

Study Registration Dates

First Submitted

February 11, 2021

First Submitted That Met QC Criteria

February 19, 2021

First Posted (Actual)

February 21, 2021

Study Record Updates

Last Update Posted (Actual)

April 21, 2026

Last Update Submitted That Met QC Criteria

March 31, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Qualified researchers can request access to anonymized individual patient-level data from AstraZeneca group of companies sponsored clinical trials via the request portal Vivli.org. All requests will be evaluated as per the AZ disclosure commitment:

https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure.

"Yes", indicates that AZ are accepting requests for IPD, but this does not mean all requests will be approved.

IPD Sharing Time Frame

AstraZeneca will meet or exceed data availability as per the commitments made to the EFPIA/PhRMA Data-Sharing Principles. For details of our timelines, please refer to our disclosure commitment at

https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure.

IPD Sharing Access Criteria

When a request has been approved AstraZeneca will provide access to the anonymized individual patient-level data via secure research environment Vivli.org. A Signed Data Usage Agreement (non-negotiable contract for data accessors) must be in place before accessing requested information.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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