T-VEC With Chemotherapy or Endocrine Therapy in Treating Participants With HER2- Negative Breast Cancer

T-VEC With Chemotherapy or Endocrine Therapy in Treating Participants With HER2- Negative Breast Cancer

PRIMARY OBJECTIVES:
I. To evaluate the safety and tolerability of intra-lesional talimogene laherparepvec injections in combination with chemotherapy or endocrine therapy in patients with metastatic, unresectable, or locoregionally recurrent HER2-negative breast cancer who have injectable sites of disease.
SECONDARY OBJECTIVES:
To evaluate the efficacy of talimogene laherparepvec in combination with chemotherapy or endocrine therapy in the study population
OUTLINE: Patients are assigned to 1 of 2 cohorts.
COHORT I (CHEMOTHERAPY): Patients receive talimogene laherparepvec intra-tumorally (IT) on day 1 of cycle 1, on days 1 and 15 of cycle 2, on day 8 of cycle 3, then on day 1 of subsequent cycles. Patients also receive paclitaxel or nab-paclitaxel intravenously (IV) over 60 minutes on days 1, 8, and possibly 15, or gemcitabine IV over 30-60 minutes and carboplatin IV over 30-60 minutes on days 1 and 8. Cycles repeat every 21 days in the absence of disease progression or unacceptable toxicity.
COHORT II (ENDOCRINE THERAPY): Patients receive talimogene laherparepvec IT every 2 weeks for the first 10 weeks and then every 3 weeks thereafter. Patients also receive letrozole orally (PO), anastrazole PO, exemestane PO, tamoxifen PO on days 1-28 or fulvestrant intramuscularly (IM) every 2 weeks for 3 doses then every 4 weeks for the subsequent cycles. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up for 30 days.

Source: View full study details on ClinicalTrials.gov

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January 11, 2023Comments OffClinicalTrials.gov | Endocrinology Clinical Trials | Endocrinology Studies | US National Library of Medicine
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