Unknown PHASE2/PHASE3 INTERVENTIONAL 4-arm NCT03058536

Progesterone and Cervical Pessary in Twins (PRECEPET)

Progesterone and Cervical Pessary in Twins : A Prospective and Randomized Study to Prevent Preterm Birth (PRECEPT)

Sponsor: Mario Henrique Burlacchini de Carvalho

Conditions Preterm Birth Twin Pregnancy With Antenatal Problem

Interventions Arabin Pessary Arabin Pessary and Progesterone Vaginal Progesterone

Updated 7 times since 2017 Last updated: Mar 13, 2017 Started: Feb 21, 2017 Primary completion: Mar 31, 2019 Completion: Mar 31, 2019

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

This PHASE2/PHASE3 trial investigates Preterm Birth and Twin Pregnancy With Antenatal Problem and is currently ongoing. Mario Henrique Burlacchini de Carvalho leads this study, which shows 7 recorded versions since 2017 — 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 2025 — Present [monthly]

Unknown PHASE2/PHASE3
Sep 2024 — Sep 2025 [monthly]

Unknown PHASE2/PHASE3
Jul 2024 — Sep 2024 [monthly]

Unknown PHASE2/PHASE3

Status: Unknown Status → Unknown · Phase: PHASE2_PHASE3 → PHASE2/PHASE3
Jan 2021 — Jul 2024 [monthly]

Unknown Status PHASE2_PHASE3
Apr 2019 — Jan 2021 [monthly]

Unknown Status PHASE2_PHASE3

Status: Recruiting → Unknown Status

▶ Show 2 earlier versions

Jun 2018 — Apr 2019 [monthly]

Recruiting PHASE2_PHASE3
Apr 2017 — Jun 2018 [monthly]

Recruiting PHASE2_PHASE3

First recorded

Feb 2017

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Mario Henrique Burlacchini de Carvalho

Data source: University of Sao Paulo

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

Study Locations

• São Paulo, Brazil