# A Phase I Trial of Tamoxifen and 9-Cis-Retinoic Acid in Breast Cancer Patients

> **NCT00001504** · PHASE1 · COMPLETED · sponsor: **National Cancer Institute (NCI)** · enrollment: 18 (—)

## Conditions studied

- Breast Cancer
- Breast Neoplasm

## Interventions

- **DRUG:** 9-cis-Retinoic Acid

## Key facts

- **NCT ID:** NCT00001504
- **Lead sponsor:** National Cancer Institute (NCI)
- **Sponsor class:** NIH
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 1996-05
- **Primary completion:** —
- **Final completion:** 2002-01
- **Target enrollment:** 18 (—)
- **Last updated:** 2008-03-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00001504

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00001504, "A Phase I Trial of Tamoxifen and 9-Cis-Retinoic Acid in Breast Cancer Patients". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT00001504. Licensed CC0.

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