deltatrials
Completed PHASE1 INTERVENTIONAL 2-arm NCT03512860

Estetrol (E4)/Drospirenone (DRSP) Drug-drug Interaction (DDI) Study

An Open-label, Two-way Cross-over Study to Determine the Effect of Multiple Doses of Valproic Acid on the Pharmacokinetics and Safety of a Single Oral Dose of Estetrol/Drospirenone in Healthy Female Subjects

Sponsor: Estetra

Conditions Contraception
Interventions E4/DRSP VAL
Updated 5 times since 2018 Last updated: Dec 13, 2018 Started: Apr 12, 2018 Primary completion: Oct 8, 2018 Completion: Oct 8, 2018
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE1 clinical study on Contraception, this trial is completed. The trial is conducted by Estetra and has accumulated 5 data snapshots since 2018. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jun 2018 – ~Jan 2019 · 7 months · monthly snapshotRecruiting~Jan 2019 – ~Jan 2021 · 24 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

5 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed PHASE1

  2. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE1

  3. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE1

  4. Jan 2019 — Jan 2021 [monthly]

    Completed PHASE1

    Status: RecruitingCompleted

  5. Jun 2018 — Jan 2019 [monthly]

    Recruiting PHASE1

    First recorded

Apr 2018

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Estetra
  • Quotient Sciences
Data source: Estetra

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

Study Locations