# Tamoxifen Versus Estradiol for Unscheduled Bleeding in Etonogestrel Implant Users, a Randomized Pilot Trial

> **NCT04933240** · PHASE4 · WITHDRAWN · sponsor: **Virginia Commonwealth University**

## Conditions studied

- Vaginal Bleeding

## Interventions

- **DRUG:** Tamoxifen Citrate 10Mg Tab
- **DRUG:** Estradiol
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04933240
- **Lead sponsor:** Virginia Commonwealth University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2022-05
- **Primary completion:** 2024-06
- **Final completion:** 2024-12
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Anticipated funding was not received
- **Last updated:** 2022-06-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04933240

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04933240, "Tamoxifen Versus Estradiol for Unscheduled Bleeding in Etonogestrel Implant Users, a Randomized Pilot Trial". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04933240. Licensed CC0.

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