MedPath

A Pilot Study of Dacomitinib With or Without Osimertinib for Patients With Metastatic EGFR Mutant Lung Cancers With Disease Progression on Osimertinib.

Early Phase 1
Completed
Conditions
EGFR Gene Mutation
Lung Cancer Metastatic
Lung Cancer
Interventions
Registration Number
NCT03755102
Lead Sponsor
Memorial Sloan Kettering Cancer Center
Brief Summary

The purpose of this study is to assess whether dacomitinib after osimertinib is effective in participants with metastatic EGR-mutant lung cancers.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
17
Inclusion Criteria
  • Written informed consent

  • Advanced biopsy-proven metastatic non-small cell lung cancer

  • Somatic activating mutation in EGFR in a tumor biopsy or plasma cfDNA liquid biopsy

  • Prior treatment with osimertinib with response followed by disease progression

  • No prior first or second generation EGFR inhibitor treatment (gefitinib, afatinib, erlotinib)

  • Archival tissue available from a tumor biopsy done after disease progression on osimertinib or willing to undergo a tumor biopsy or liquid biopsy after disease progression on osimertinib prior to study initiation

  • Measurable (RECIST 1.1) indicator lesion not previously irradiated

  • Karnofsky performance status (KPS) >/= 70%

  • Age >/= 18 years old

  • Ability to swallow oral medication

  • Adequate organ function

    • AST, ALT </= 3 x ULN
    • Total bilirubin </= 1.5x ULN
    • Creatinine </= 1.5x ULN OR calculated creatinine clearance >/= 60ml/min
    • Absolute neutrophil count (ANC) >/= 1000 cells/mm3
    • Hemoglobin>/=8.0 g/dL
    • Platelets >/=75,000/mm3
Exclusion Criteria
  • Pregnant or lactating women
  • Any radiotherapy within 1 week of starting treatment on protocol.
  • Any major surgery within 1 weeks of starting treatment on protocol.
  • Any evidence of active clinically significant interstitial lung disease
  • Continue to have unresolved > grade 1 toxicity from any previous treatment Treatment
  • Patients with a known mechanism of resistance to osimertinib that will clearly not respond to dacomitinib therapy (i.e. known MET amplification, ALK fusion, RET fusion).
  • Symptomatic brain metastases or leptomeningeal disease requiring escalating doses of steroids

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Cohort 1: Participants treated with dacomitinib aloneDacomitinibParticipants in this cohort have a somatic activating mutation in EGFR in a tumor biopsy or plasma cfDNA liquid biopsy.
Cohort 2: Participants treated with dacomitinib in combination with osimertinibDacomitinibParticipants in this cohort have a secondary acquired EGFR mutation in addition to the sensitizing mutation
Cohort 2: Participants treated with dacomitinib in combination with osimertinibOsimertinibParticipants in this cohort have a secondary acquired EGFR mutation in addition to the sensitizing mutation
Primary Outcome Measures
NameTimeMethod
Overall Response Rate1 year

Overall response rate (partial and complete responses) of dacomitinib in participants with EGFR-mutant lung cancers and disease progression on osimertinib

Secondary Outcome Measures
NameTimeMethod
Progression-free survival1 year
Overall survival1 year

Trial Locations

Locations (8)

Memorial Sloan Kettering Basking Ridge

🇺🇸

Basking Ridge, New Jersey, United States

Memorial Sloan Kettering Monmouth

🇺🇸

Middletown, New Jersey, United States

Memorial Sloan Kettering Bergen

🇺🇸

Montvale, New Jersey, United States

Memorial Sloan Kettering Commack

🇺🇸

Commack, New York, United States

Memorial Sloan Kettering Westchester

🇺🇸

Harrison, New York, United States

Memorial Sloan Kettering Cancer Center

🇺🇸

New York, New York, United States

Memorial Sloan Kettering Rockville Centre

🇺🇸

Rockville Centre, New York, United States

Memorial Sloan Kettering Nassau

🇺🇸

Uniondale, New York, United States

Memorial Sloan Kettering Basking Ridge
🇺🇸Basking Ridge, New Jersey, United States

MedPath

Empowering clinical research with data-driven insights and AI-powered tools.

© 2025 MedPath, Inc. All rights reserved.