# Metformin Use and Clinical Pregnancy Rate in Women With Unexplained Infertility

> **NCT03681197** · EARLY_PHASE1 · UNKNOWN · sponsor: **Elham Raafat** · enrollment: 170 (estimated)

## Conditions studied

- Infertility

## Interventions

- **DRUG:** Metformin
- **DRUG:** Placebo
- **DRUG:** Clomiphene Citrate

## Key facts

- **NCT ID:** NCT03681197
- **Lead sponsor:** Elham Raafat
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-06-15
- **Primary completion:** 2019-04
- **Final completion:** 2019-05
- **Target enrollment:** 170 (ESTIMATED)
- **Last updated:** 2019-03-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03681197

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03681197, "Metformin Use and Clinical Pregnancy Rate in Women With Unexplained Infertility". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT03681197. Licensed CC0.

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