# Prospective Observational Study of Adjuvant Hormone Treatment in Estrogen-receptor Positive Premenopausal Early Breast Cancer Patients

> **NCT05730647** · — · ACTIVE_NOT_RECRUITING · sponsor: **Consorzio Oncotech** · enrollment: 600 (actual)

## Conditions studied

- Early Breast Cancer

## Interventions

- **OTHER:** None intervention (observational study)

## Key facts

- **NCT ID:** NCT05730647
- **Lead sponsor:** Consorzio Oncotech
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2019-10-24
- **Primary completion:** 2022-08-01
- **Final completion:** 2032-07-31
- **Target enrollment:** 600 (ACTUAL)
- **Last updated:** 2023-02-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05730647

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05730647, "Prospective Observational Study of Adjuvant Hormone Treatment in Estrogen-receptor Positive Premenopausal Early Breast Cancer Patients". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05730647. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*