Phase 3 Study to Evaluate the Efficacy and Safety of HER2/Neu Peptide GLSI-100 (GP2 + GM-CSF) in HER2/Neu Positive Subjects

This is a prospective, randomized, double-blinded, placebo-controlled, multi-center, Phase 3 study of GLSI-100 immunotherapy in HLA-A\*02 positive and HER2/neu positive subjects who are at high risk for disease recurrence and have completed both neoadjuvant and postoperative adjuvant standard of care therapy. Treatment consists of 6 intradermal injections, Primary Immunization Series (PIS), over the first 6 months of treatment and 5 booster intradermal injections spaced 6 months apart. A third open-label arm will explore GLSI-100 immunotherapy in non-HLA-A\*02 positive and HER2/neu positive su

Trial Details

NCT ID
NCT05232916
Phase
PHASE3
Sponsor
Greenwich LifeSciences, Inc.
Status
RECRUITING
Cancer Type
HER2 Positive Breast Cancer
Interventions
  • Placebo
  • GLSI-100
Locations (sample)
  • Mobile, Alabama, United States|30.69436,-88.04305
  • Goodyear, Arizona, United States|33.43532,-112.35821
  • Tucson, Arizona, United States|32.22174,-110.92648
  • Duarte, California, United States|34.13945,-117.97729
  • Fullerton, California, United States|33.87029,-117.92534

Key Eligibility Criteria

  • Histologically confirmed diagnosis of HER2/neu positive primary breast cancer for all tumors biopsied at diagnosis (multifocal, multicentric, or sy…
  • Completion of both neoadjuvant and adjuvant trastuzumab-based standard of care breast cancer therapy
  • Stage I, II, or III at presentation with pathologic evidence of residual invasive carcinoma in the breast or axillary lymph nodes (residual disease…
  • The subject can begin study therapy within one year of completion of adjuvant trastuzumab-based therapy and any other standard therapies, but, stud…

For full eligibility, visit ClinicalTrials.gov.

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