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OncoMatch/Clinical Trials/NCT06364267

Low Dose Exemestane vs Low Dose Tamoxifen in Post-menopausal Women at High Risk for Breast Cancer.

Is NCT06364267 recruiting? Yes, currently enrolling (May 2026). This Phase 2 trial studies multiple treatments including Tamoxifen 10 MG and Exemestane 25 MG for breast cancer.

Phase 2RecruitingAndrea DeCensiNCT06364267Data as of May 2026

Treatment: Tamoxifen 10 MG · Exemestane 25 MGThe purpose of the study is to to compare low dose of exemestane (babyexe) versus low dose of tamoxifen (babytam) in terms of change of quality of life from baseline to 12 months.

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Extracted eligibility criteria

Cancer type

Breast Carcinoma

Biomarker criteria

Required: ESR1 overexpression (>5%)

ER+ve (>5%) DCIS

Allowed: CHEK2 germline pathogenic/likely pathogenic variant

Known carriers of a germline pathogenic/likely pathogenetic variant in the following moderate penetrance genes (CHEK2 or ATM)

Allowed: ATM germline pathogenic/likely pathogenic variant

Known carriers of a germline pathogenic/likely pathogenetic variant in the following moderate penetrance genes (CHEK2 or ATM)

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

Must have received: breast-conserving therapy (lumpectomy with negative margins and radiotherapy) — DCIS

patients with DCIS should have undergone breast-conserving therapy i.e. lumpectomy to remove the tumor with negative surgical margins followed by radiotherapy

Cannot have received: antiestrogen

Prior use of antiestrogens within 12 months from the date of the trial consent form signature

Cannot have received: hormone replacement therapy

Use of hormone replacement therapy (HRT) within 3 months from the date of the trial consent form signature

Lab requirements

Blood counts

normal blood cell count

Kidney function

patients with moderate or severe renal impairment [excluded]

Liver function

normal liver function tests

Structured fields extracted by AI. May contain errors — verify against the official protocol.

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