NCT07486648

Brief Summary

The goal of this clinical trial is to learn if Osimertinib plus Capivasertib works to treat EGFRm advanced non-small cell lung cancer (NSCLC) in participants with PIK3CA/AKT1/PTEN alterations after progression on first-line Osimertinib (monotherapy or plus chemotherapy). The main questions it aims to answer are: Part A:

  • Number of Dose-limiting toxicities (DLTs)
  • Adverse events (AEs)/serious adverse events (SAEs) (graded by CTCAE Version 5.0)
  • Recommended combined dose (RCD) Part B:Confirmed ORR assessed by the Investigator per RECIST 1.1 criteria. Participants will: Part A:Take Capivasertib twice daily from day 1 to 4 of a 7-day cycle, Osimertinib will be given orally QD(once daily) at 80 mg throughout the study treatment period. Part B: Take Osimertinib (80mg QD, continuously) and Capivasertib(RCD,orally BID from day1-day 4 in 7-day cycle , 4 days on /3 days off) till disease progression (PD) or unacceptable toxicity.

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
53

participants targeted

Target at P50-P75 for phase_1

Timeline
31mo left

Started May 2026

Typical duration for phase_1

Geographic Reach
1 country

2 active sites

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress3%
May 2026Dec 2028

First Submitted

Initial submission to the registry

February 25, 2026

Completed
23 days until next milestone

First Posted

Study publicly available on registry

March 20, 2026

Completed
2 months until next milestone

Study Start

First participant enrolled

May 15, 2026

Completed
2.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 15, 2028

Expected
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2028

Last Updated

March 24, 2026

Status Verified

March 1, 2026

Enrollment Period

2.4 years

First QC Date

February 25, 2026

Last Update Submit

March 23, 2026

Conditions

Keywords

NSCLCOsimertinib plus Capivasertib

Outcome Measures

Primary Outcomes (4)

  • Part A Number of Dose-limiting toxicities (DLTs)

    A DLT is defined as any toxicity related to study drug and not attributable to the disease or disease-related processes under investigation, which occurs from the first dose of study treatment (Day 1, Cycle 0) up to the last day of Cycle 1 (28 days after start of dosing)

    28 days post first dose of study treatment

  • Part A Adverse events (AEs)/serious adverse events (SAEs) (graded by CTCAE Version 5.0)

    From the time of signature of informed consent form up to 44 months

  • Part A Recommended combined dose (RCD)

    The RCD is defined as the optimal dose combination of study drugs, established based on integrated assessment of safety and relevant available data from dose escalation phase

    From first dose of study treatment up to 12 months

  • Part B Confirmed ORR assessed by the Investigator per RECIST 1.1 criteria

    ORR is defined as the percentage of participants who have at least one confirmed response of CR or PR prior to any evidence of progression (as determined by investigator at local site per RECIST 1.1)

    5 months post first dose of study treatment

Secondary Outcomes (8)

  • Part A Confirmed ORR assessed by the Investigator per RECIST 1.1 criteria

    5 months post first dose of study treatment

  • Part B Progression-free survival(PFS)

    From first dose of study treatment up to 27 months

  • Part B Duration of response(DoR )

    From 1 months post first dose of study treatment up to 27 months

  • Part B Disease control rate(DCR)

    From 2 months post first dose of study treatment up to 27 months

  • Part B Overall survival(OS)

    From first dose of study treatment up to 27 months

  • +3 more secondary outcomes

Study Arms (1)

Capivasertib 320/400 mg in combination with Osimertinib 80mg

EXPERIMENTAL

Capivasertib 320/400 mg (twice daily from day 1 to 4 of a 7-day cycle ),Osimertinib 80 mg( once daily continuously),28 days per cycle

Drug: Capivasertib in combination with Osimertinib

Interventions

Capivasertib 320/400 mg(twice daily from day 1 to 4 of a 7-day cycle ),Osimertinib 80 mg(once daily continuously),28 days per cycle

Capivasertib 320/400 mg in combination with Osimertinib 80mg

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Informed consent
  • Provision of signed and dated, written informed consent form (ICF) prior to any mandatory and non-mandatory study-specific procedures, sampling and analyses
  • Age
  • Male or female age ≥18 years at the time of signing the ICF.
  • Type of participant and disease characteristics
  • Histologically or cytologically confirmed non-squamous locally advanced or metastatic NSCLC which is not amenable to curative therapy.
  • Documented EGFR sensitive mutations (exon19 deletion, L858R mutation) prior to the first-line EGFR-TKI therapy.
  • Documented radiologic progression on first-line treatment with Osimertinib monotherapy or Osimertinib plus chemotherapy:
  • Participants treated with Osimertinib in the adjuvant setting can be included if progression occurred \< 6 months after last dose.
  • Participants must be immunotherapy (i.e., programmed cell death protein 1 \[PD-1\] inhibitor, programmed cell death protein 1 ligand 1 \[PD-L1\] inhibitor, Cytotoxic T-lymphocyte associated protein 4 inhibitor) naïve in the metastatic setting.
  • Prior immunotherapy in the neoadjuvant or adjuvant setting is acceptable providing treatment was completed more than 6 months before metastatic/recurrent disease was diagnosed.
  • Mandatory provision of the required number of FFPE tumour tissue samples for PIK3CA mutations and/or AKT1 mutations and/or PTEN loss-of-function (LOF) mutations testing, which fulfils the following requirements:
  • Obtained following progression on previous Osimertinib monotherapy or Osimertinib plus chemotherapy as first-line treatment.
  • Specimen to meet the requirements defined in the Central Laboratory Manual and Diagnostic Testing Manual.
  • Have PIK3CA and/or AKT1 and/or PTEN alterations as determined by NGS testing by a sponsor designated central laboratory on tumour specimen collected following progression on prior Osimertinib treatment.
  • +28 more criteria

You may not qualify if:

  • Medical conditions
  • Patients harbouring concurrent actionable driver mutations with locally approved targeted therapies (e.g., MET amplification) will be excluded.
  • Past medical history of interstitial lung disease (ILD), drug-induced ILD, radiation pneumonitis which required steroid treatment, or any evidence of clinically active ILD.
  • Clinically significant abnormalities of glucose metabolism as defined by any of the following:
  • Fasting glucose ≥7.0 mmol/L (126 mg/dL) or 2 hours after glucose solution intake, blood glucose ≥11.1 mmol/L (200 mg/dL).
  • HbA1c ≥8.0% (63.9 mmol/mol) at screening. Note: for any patient with evidence of impaired glucose control or insulin resistance refer to the Capivasertib Toxicity Management Guidelines.
  • Any evidence of severe or uncontrolled systemic diseases, including uncontrolled hypertension and active bleeding diatheses, which in the investigator's opinion makes it undesirable for the patient to participate in the trial or which would jeopardize compliance with the protocol, or active infection (e.g. patients receiving treatment for infection) including hepatitis C and human immunodeficiency virus (HIV), or active uncontrolled hepatitis B virus (HBV) infection, or active tuberculosis infection (clinical evaluation that may include clinical history, physical examination and radiographic findings, or tuberculosis testing in line with local practice) .
  • Screening for chronic conditions is not required.
  • Spinal cord compression, leptomeningeal metastasis, or brain metastases unless asymptomatic, stable, and not requiring steroids for at least 4 weeks prior to start of study intervention.
  • Any of the following cardiac criteria:
  • Mean resting corrected QTc \>470 msec, obtained from triplicate electrocardiograms (ECGs), using the screening clinic ECG machine derived QTc value.
  • History of QT prolongation associated with other medications that required discontinuation of that medication.
  • Any clinically important abnormalities in rhythm, conduction or morphology of resting ECG e.g., complete left bundle branch block, third degree heart block and second-degree heart block.
  • Medical history significant for arrhythmia (e.g., multifocal premature ventricular contractions, bigeminy, trigeminy, ventricular tachycardia), which is symptomatic or requires treatment (Common Terminology Criteria for Adverse Events \[CTCAE\] Grade 3), symptomatic or uncontrolled atrial fibrillation despite treatment, or asymptomatic sustained ventricular tachycardia. Participants with atrial fibrillation controlled by medication or arrhythmias controlled by pacemakers may be permitted to enter the study based on the Investigator judgement with cardiologist consultation recommended.
  • Patient with any factors that increase the risk of QTc prolongation or risk of arrhythmic events such as electrolyte abnormalities including:
  • +21 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Cancer Hospital Chinese Academy of Medical Sciences

Beijing, Beijing Municipality, China

Location

Shanxi Cancer Hospital

Taiyuan, Shanxi, China

Location

Related Publications (36)

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Related Links

MeSH Terms

Conditions

Lung NeoplasmsCarcinoma, Non-Small-Cell Lung

Interventions

capivasertibosimertinib

Condition Hierarchy (Ancestors)

Respiratory Tract NeoplasmsThoracic NeoplasmsNeoplasms by SiteNeoplasmsLung DiseasesRespiratory Tract DiseasesCarcinoma, BronchogenicBronchial Neoplasms

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SEQUENTIAL
Model Details: The study includes 2 parts:Part A:Dose escalation; Part B:Dose expansion
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 25, 2026

First Posted

March 20, 2026

Study Start

May 15, 2026

Primary Completion (Estimated)

October 15, 2028

Study Completion (Estimated)

December 31, 2028

Last Updated

March 24, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will not share

Locations