# Effect of Sildenafil Citrate Compared to Estrogen as Adjuvant Therapy for Unexplained Infertility

> **NCT05753098** · PHASE4 · COMPLETED · sponsor: **Beni-Suef University** · enrollment: 148 (actual)

## Conditions studied

- Subfertility, Female

## Interventions

- **DRUG:** estrogen therapy
- **DRUG:** Sildenafil
- **DRUG:** Clomiphene Citrate 50mg

## Key facts

- **NCT ID:** NCT05753098
- **Lead sponsor:** Beni-Suef University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-01-15
- **Primary completion:** 2023-01-31
- **Final completion:** 2023-01-31
- **Target enrollment:** 148 (ACTUAL)
- **Last updated:** 2023-04-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05753098

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05753098, "Effect of Sildenafil Citrate Compared to Estrogen as Adjuvant Therapy for Unexplained Infertility". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05753098. Licensed CC0.

---

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