Completed PHASE4 INTERVENTIONAL 4-arm NCT01577472

Efficacy Study Comparing the Effect of Clomiphencitrate to an Antagonist Protocol (CANTAPOR)

Prospective Randomized Phase IV Study Comparing the Effect of Adding Clomiphencitrate Versus Placebo to a High Dose Versus a Minimal Dose GnRH Antagonist Protocol on the Number of Oocytes Collected From Women That Are Poor Responders

Sponsor: University Hospital, Basel, Switzerland

Conditions Female Infertility Ovarian Insufficiency

Interventions High Dose Clomiphencitrat High Dose Placebo Low Dose Clomiphencitrat Low dose Placebo

Updated 7 times since 2017 Last updated: Dec 3, 2018 Started: Aug 31, 2013 Primary completion: Nov 14, 2017 Completion: Nov 14, 2017

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

This PHASE4 trial investigates Female Infertility and Ovarian Insufficiency and is currently completed. University Hospital, Basel, Switzerland leads this study, which shows 7 recorded versions since 2013 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

7 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2021 — Jul 2024 [monthly]

Completed PHASE4
Jan 2019 — Jan 2021 [monthly]

Completed PHASE4
Jun 2018 — Jan 2019 [monthly]

Completed PHASE4

▶ Show 2 earlier versions

Feb 2018 — Jun 2018 [monthly]

Completed PHASE4

Status: Recruiting → Completed
Jan 2017 — Feb 2018 [monthly]

Recruiting PHASE4

First recorded

Aug 2013

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University Hospital, Basel, Switzerland

Data source: University Hospital, Basel, Switzerland

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

Study Locations

• Basel, Switzerland