Skip to content

A Study of Chemotherapy With or Without Enzalutamide in Patients With Androgen Receptor-Positive Triple-Negative Metastatic Breast Cancer.

Chemotherapy with Enzalutamide or placebo in patients with androgen receptor positive, triple-negative metastatic breast cancer: A randomized phase II/III trial. - ICEBERG

Status
Active, not recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/01/102272
Enrollment
387
Registered
2026-01-28
Start date
Unknown
Completion date
Unknown
Last updated
2026-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: C509- Malignant neoplasm of breast of unspecified site

Interventions

Intervention1: Enzalutamide 160mg Obynx + Chemotherapy: Chemotherapy includes (Capecitabine, Paclitaxel / Nab-paclitaxel, Gemcitabine, Eribulin) Enzalutamide is initiated on Day 1 of chemotherapy and

Sponsors

Zydus Lifesciences
Lead Sponsor
Tata Memorial Hospital
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: Subjects must have histologically or cytologically confirmed invasive breast carcinoma. Disease must be locally advanced unresectable or metastatic breast cancer. Tumor must be triple negative breast cancer defined as estrogen receptor and progesterone receptor less than one percent by immunohistochemistry and HER2 negative defined as HER2 IHC 0 or 1 plus or IHC 2 plus with FISH negative. Tumor must be androgen receptor positive defined as androgen receptor expression greater than or equal to ten percent by immunohistochemistry. Subjects must be chemotherapy naive for the advanced or metastatic setting. Eastern Cooperative Oncology Group performance status must be zero to two. Subjects must have adequate hematologic hepatic renal and pulmonary function as defined in the protocol. Women of childbearing potential must have a negative pregnancy test at screening and agree to use effective contraception during treatment and for the protocol specified period after treatment. Male subjects with partners of childbearing potential must agree to use effective contraception during treatment and for the protocol specified period after treatment. Subjects must be able to understand and willing to provide written informed consent.

Exclusion criteria

Exclusion criteria: Subjects receiving any other concurrent investigational agents are excluded. Subjects previously exposed to anti androgen therapy after the diagnosis of breast cancer are excluded. Subjects with symptomatic brain metastases or brain metastases requiring active treatment are excluded. Subjects with active infection requiring systemic therapy are excluded. Subjects with hepatitis B virus infection with positive surface antigen and elevated HBV DNA or hepatitis C virus infection with positive anti HCV antibody and elevated HCV RNA are excluded. Subjects with known severe hypersensitivity to the investigational product or any component of its formulation are excluded. Subjects with clinically significant active cardiovascular disease including unstable angina congestive heart failure New York Heart Association class two or higher serious uncontrolled cardiac arrhythmia or asymptomatic individuals with left ventricular ejection fraction less than fifty percent are excluded. Subjects with other severe acute or chronic medical conditions including inflammatory bowel disease pneumonitis chronic kidney disease chronic liver disease pulmonary fibrosis known peripheral neuropathy greater than grade one as per CTCAE version five or significant psychiatric illness including recent or active suicidal ideation or behavior are excluded. Pregnant women are excluded from the study. Subjects with any other concomitant malignancy within the last five years except adequately treated basal cell carcinoma squamous cell carcinoma of the skin or carcinoma in situ of the cervix are excluded.

Design outcomes

Primary

MeasureTime frame
Phase II Primary Outcome: Progression Free Survival defined as the time from the date of randomization to the date of documented disease progression as per RECIST version 1.1 or death from any cause whichever occurs first. Phase III Primary Outcome: Overall Survival defined as the time from the date of randomization to death from any cause or last follow up for surviving patients.Timepoint: Baseline and every 3 months

Secondary

MeasureTime frame
Overall Response Rate (ORR) Clinical Benefit Rate (CBR) Safety and Tolerability Quality of Life (QOL)Timepoint: ORR and CBR assessed every 12 weeks from randomization

Countries

India

Contacts

Public ContactDr Sushmita Rath

Tata Memorial Hospital

sushmitarath73@gmail.com09869154396

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 7, 2026