Unknown PHASE1/PHASE2 INTERVENTIONAL 3-arm NCT03192709

Sildenafil and Outcome of IVF/ICSI Cycles

The Effect of Vaginal Sildenafil on the Outcome of IVF/ICSI Cycles in Patients With Repeated IVF/ICSI Failure: a Pilot Study

Sponsor: Royan Institute

Conditions Infertility, Female

Interventions Sildenafil vaginal suppositories vaginal placebo

Updated 7 times since 2017 Last updated: Jun 18, 2017 Started: Feb 28, 2015 Primary completion: Aug 31, 2017 Completion: Sep 30, 2017

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE1/PHASE2 clinical study on Infertility, Female, this trial is ongoing. The trial is conducted by Royan Institute and has accumulated 7 data snapshots since 2015. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Unknown PHASE1/PHASE2
Sep 2024 — Sep 2025 [monthly]

Unknown PHASE1/PHASE2
Jul 2024 — Sep 2024 [monthly]

Unknown PHASE1/PHASE2

Status: Unknown Status → Unknown · Phase: PHASE1_PHASE2 → PHASE1/PHASE2
Jan 2021 — Jul 2024 [monthly]

Unknown Status PHASE1_PHASE2
May 2019 — Jan 2021 [monthly]

Unknown Status PHASE1_PHASE2

Status: Recruiting → Unknown Status

▶ Show 2 earlier versions

Jun 2018 — May 2019 [monthly]

Recruiting PHASE1_PHASE2
Jul 2017 — Jun 2018 [monthly]

Recruiting PHASE1_PHASE2

First recorded

Feb 2015

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Royan Institute
Tehran University of Medical Sciences

Data source: Royan Institute

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Tehrān, Iran