deltatrials
Completed PHASE3 INTERVENTIONAL 2-arm NCT01297465

PERgoveriS In Stratified Treatment for Assisted Reproductive Technique (PERSIST)

A Phase IIIB, Multicentre, Multinational, Randomized, Open-label Trial to Compare the Efficacy and Safety of Ovarian Stimulation With GONAL-f® Day 1 to Day 5 Followed by Pergoveris® Starting Day 6 to Pergoveris® Starting Day 1 in Women Between 36 and 40 Years of Age Undergoing Assisted Reproductive Technique (ART)

Sponsor: LLC Merck, Russia

Updated 8 times since 2017 Last updated: May 4, 2021 Started: May 31, 2011 Primary completion: Oct 31, 2012 Completion: Oct 31, 2012
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE3 clinical study on Assisted Reproductive Techniques and Reproductive Technology, Assisted, this trial is completed. The trial is conducted by LLC Merck, Russia and has accumulated 8 data snapshots since 2011. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Jun 2018 · 17 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2019 · 7 months · monthly snapshotCompleted~Jan 2019 – ~Jan 2021 · 24 months · monthly snapshotCompleted~Jan 2021 – ~Jun 2021 · 5 months · monthly snapshotCompleted~Jun 2021 – ~Jul 2024 · 37 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 12 months · monthly snapshotCompleted

Change History

8 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  4. Jun 2021 — Jul 2024 [monthly]

    Completed PHASE3

  5. Jan 2021 — Jun 2021 [monthly]

    Completed PHASE3

Show 3 earlier versions
  1. Jan 2019 — Jan 2021 [monthly]

    Completed PHASE3

  2. Jun 2018 — Jan 2019 [monthly]

    Completed PHASE3

  3. Jan 2017 — Jun 2018 [monthly]

    Completed PHASE3

    First recorded

May 2011

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • LLC Merck, Russia
  • Merck A.E., Greece
  • Merck A/S, Denmark
  • Merck B.V., Netherlands
  • Merck KGaA, Darmstadt, Germany
  • Merck OY, Finland
  • Merck Pharma, K.S., Slovakia
  • Merck SP. Z.O.O., Poland
  • Merck Serono GmbH, Germany
  • Merck Serono S.A., Geneva
  • Merck Serono S.A.S, France
  • Merck Serono S.P.A., Italy
  • Merck Services U.K. Ltd, UK
  • Merck spol. s r.o., Slovakia
Data source: Merck KGaA, Darmstadt, Germany

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