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Clinical Trial ● Currently Recruiting Phase I NCT05573126

Phase 1/2 Study to Evaluate EP0062 as Monotherapy and in Combination in Patients With Advanced or Metastatic AR+/HER-2-/ER+ Breast Cancer

Phase 1/2 Study to Evaluate EP0062 as Monotherapy and in Combination in Patients With Advanced or Metastatic AR+/HER-2-/ER+ Breast Cancer — Recruiting • Phase I • Oncology •…

📅 22 Jun 2026 ⏱ 2 min read
Currently Recruiting
This trial is actively seeking participants in the UK. Discuss eligibility with your patient before referring.
Status
Currently Recruiting
Phase
Phase I
NCT ID
NCT05573126
Sponsor
Ellipses Pharma
Start
2023-01-11
ClinicaliQ Trial Snapshot
  • Phase 1/2 Study to Evaluate EP0062 as Monotherapy and in Combination in Patients With Advanced or Metastatic AR+/HER-2-/ER+ Breast Cancer — Recruiting • Phase I • Oncology • NCT05573126.
  • What is being tested: EP0062, a novel therapeutic agent, is being evaluated as a single agent and in combination with standard-of-care treatments to determine optimal dosing, safety profile, and anti-tumour efficacy in advanced breast cancer.
  • Patient eligibility overview: The trial recruits patients with relapsed, locally advanced, or metastatic breast cancer that is androgen receptor-positive (AR+), HER-2 negative (HER-2-), and oestrogen receptor-positive (ER+), representing a specific molecular subtype requiring targeted investigation.
Use This Page For
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  • Connecting this trial to nearby guidelines, Drug Science and education.
What This Trial Is Studying

The aim of this study is to identify the optimal dose for EP0062 as monotherapy and in combination with standard-of-care therapies to assess its Safety, Tolerability, Pharmacokinetics, and Efficacy in Patients with Relapsed Locally Advanced or Metastatic AR+/HER-2-/ER+ Breast Cancer

Eligibility Snapshot
  • : 1. Women 18 years or older at the time of informed consent 2. Histologically proven diagnosis of breast cancer with evidence of metastatic or locally advanced breast adenocarcinoma as defined by the American Joint Committee on Cancer/Union for International Cancer Control/Tumour Node Metastases (AJCC/UICC TNM) staging classification (8th Ed, 2017) and where no conventional therapy is available or considered appropriate by the Investigator or is declined by the patient 3. Availability of archival tumour sample (formalin-fixed, paraffin-embedded block(s) or slides from a primary tumour or biopsy of a metastatic tumour lesion or lesions); in the absence of an archival tumour sample, or if only archival bone tissue is available, a fresh biopsy will need to be collected 4. Biopsy-proven AR+ and ER+ breast cancer * For Module A, AR+ breast cancer is defined as ≥ 10% AR nuclei staining by central immunohistochemistry (IHC) using the Ventana assay * For Modules B and C, AR+ breast cancer is defined as ≥ 30% AR nuclei staining by central IHC using the Ventana assay 5. HER2-negative breast cancer, defined as negative by fluorescence in situ hybridisation (FISH) or IHC score of 0 or 1+. If IHC is equivocal at 2+, a…

Use the source registry for the full inclusion and exclusion criteria before discussing referral or enrolment.

Full Trial Details
View this trial on the source registry
Eligibility criteria, protocol, and results when available
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