# Text and telephone support for endocrine therapy

Source: https://onco.cc/trials/nct04379570/  
OnCo record `nct04379570` (Trial). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

This study compares usual care with text reminders and telephone counseling to support taking prescribed hormone therapy. It studies medication use rather than a new hormone drug.

## Summary

This study compares usual care with text reminders and telephone counseling to support taking prescribed hormone therapy. It studies medication use rather than a new hormone drug.

Interventional study registered as NCT04379570, sponsored by Alliance for Clinical Trials in Oncology. Registry phase: 3. Registry enrollment is 1,167 participants (actual). Registry status checked October 10, 2026: active not recruiting. UCSF lists this study as closed to local enrollment; local availability and overall registry status are separate. See the registry for full eligibility and current sites.

## Fields

- Kind: Trial
- Status: active
- Last checked: 2026-10-10
- Also known as: Additional Support Program Via Text Messaging and Telephone-Based Counseling for Breast Cancer Patients Receiving Hormonal Therapy
- Tags: ucsf-breast-coverage; interventional
- Registry id: NCT04379570
- Phase: 3
- Setting: Breast cancer patients prescribed endocrine therapy
- Sponsor: Alliance for Clinical Trials in Oncology
- Enrolled: 1167

## Sources

- ClinicalTrials.gov NCT04379570: https://clinicaltrials.gov/study/NCT04379570
- UCSF study listing and local availability: https://clinicaltrials.ucsf.edu/trial/NCT04379570

## Connected records

- cancers: [Breast cancer (all types)](https://onco.cc/cancers/breast-cancer/)
- institutions: [UCSF Helen Diller Family Comprehensive Cancer Center](https://onco.cc/institutions/ucsf/)

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