A Trial to Evaluate Ovarian Suppression Following Subcutaneous ZOLADEX 10.8 mg in Premenopausal Women With HR+, HER2- Advanced Breast Cancer

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexFemale
Age18-55
SponsorTerSera Therapeutics LLC

About this trial

The primary objective of this trial is to evaluate ovarian suppression following treatment with ZOLADEX 10.8 mg by luteinizing hormone (LH).

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Gonadotropin-releasing Hormone (GnRH) treatment-naïve: Female participants aged 18 to 55 years, inclusive.

GnRH treatment-exposed <6 months: Female participants aged 18 to 55 years, inclusive, if GnRH treatment started within <6 months of signing the informed consent.

Advanced or metastatic breast cancer: Histological confirmation of breast cancer with evidence of locally advanced or metastatic disease, which is not amenable to surgical resection or radiation therapy with curative intent per investigator's assessment.

HR+: Either estrogen receptor positive (ER+) or progesterone receptor positive (PR+) breast cancer, defined as 1% to 100% of tumor nuclei are positive for ER or PR via immunohistochemistry.

Disqualifiers

Postmenopausal: Naturally or surgically postmenopausal (regardless of age).

Body mass index (BMI): <18 kg/m² or >35.0 kg/m².

Prior surgical or radiation procedures: History of bilateral oophorectomy or prior radiotherapy to the ovaries.

Radiotherapy for breast cancer within 4 weeks prior to trial enrollment.

Trial design

Design model

Single group

Treatments tested in this trial

  • ZOLADEX

    Drug

    Participants will receive ZOLADEX as a subcutaneous (SC) injection on Day 1 (Week 1), and Day 85 (Week 12) for a total of 2 treatments.

Treatment groups

88 Participants
are divided into 1 treatment group
Group A: ZOLADEX 10.8 mgExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Percentage of Participants with LH Values Below a Specified Threshold at Week 6

Time frame
Week 6

Secondary outcomes

1

Percentage of Participants with LH Values below a Specified Threshold at Weeks 12, 18, and 24

Time frame
Weeks 12, 18, and 24
2

Percentage of Participants with Estradiol (E2) Suppression at Weeks 6, 12, 18, and 24

Time frame
Weeks 6, 12, 18, and 24
3

Percentage of Participants with Absence of Menses at Weeks 6, 12, 18, and 24

Time frame
Weeks 6, 12, 18, and 24

Other outcomes

Sponsors and contacts

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