deltatrials
Completed PHASE2 INTERVENTIONAL 4-arm NCT03692403

Randomized Trial Assessing Quinagolide Vaginal Ring for Endometriosis-related Pain (RAQUEL)

A Randomized, Double-blind, Placebo-controlled, Phase 2 Trial Assessing the Efficacy, Safety and Dose-response of Quinagolide Extended-release Vaginal Rings Administered Sequentially for 4 Menstrual Cycles in Women With Moderate to Severe Endometriosis-related Pain

Sponsor: Ferring Pharmaceuticals

Conditions Endometriosis-related Pain
Interventions Placebo Quinagolide 1080 µg Quinagolide 360 µg Quinagolide 720 µg
Updated 33 times since 2018 Last updated: Aug 16, 2023 Started: Dec 26, 2018 Primary completion: Feb 14, 2022 Completion: Feb 14, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2 trial investigates Endometriosis-related Pain and is currently completed. Ferring Pharmaceuticals leads this study, which shows 33 recorded versions since 2018 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Nov 2018 – ~Dec 2018 · 30 days · monthly snapshot~Dec 2018 – ~Jan 2019 · 31 days · monthly snapshot~Jan 2019 – ~Feb 2019 · 31 days · monthly snapshot~Feb 2019 – ~Mar 2019 · 28 days · monthly snapshot~Mar 2019 – ~Apr 2019 · 31 days · monthly snapshot~Apr 2019 – ~May 2019 · 30 days · monthly snapshot~May 2019 – ~Jun 2019 · 31 days · monthly snapshot~Jun 2019 – ~Jul 2019 · 30 days · monthly snapshot~Jul 2019 – ~Aug 2019 · 31 days · monthly snapshot~Aug 2019 – ~Sep 2019 · 31 days · monthly snapshot~Sep 2019 – ~Oct 2019 · 30 days · monthly snapshot~Oct 2019 – ~Dec 2019 · 2 months · monthly snapshot~Dec 2019 – ~Jan 2020 · 31 days · monthly snapshot~Jan 2020 – ~Mar 2020 · 2 months · monthly snapshot~Mar 2020 – ~Apr 2020 · 31 days · monthly snapshot~Apr 2020 – ~Oct 2020 · 6 months · monthly snapshot~Oct 2020 – ~Nov 2020 · 31 days · monthly snapshot~Nov 2020 – ~Dec 2020 · 30 days · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Mar 2021 · 28 days · monthly snapshot~Mar 2021 – ~Apr 2021 · 31 days · monthly snapshot~Apr 2021 – ~May 2021 · 30 days · monthly snapshot~May 2021 – ~Jun 2021 · 31 days · monthly snapshot~Jun 2021 – ~Nov 2021 · 5 months · monthly snapshot~Nov 2021 – ~Dec 2021 · 30 days · monthly snapshot~Dec 2021 – ~May 2022 · 5 months · monthly snapshot~May 2022 – ~Nov 2022 · 6 months · monthly snapshot~Nov 2022 – ~Sep 2023 · 10 months · monthly snapshot~Sep 2023 – ~Jul 2024 · 10 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

33 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed PHASE2

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE2

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

  4. Sep 2023 — Jul 2024 [monthly]

    Completed PHASE2

  5. Nov 2022 — Sep 2023 [monthly]

    Completed PHASE2

    Status: Active Not Recruiting → Completed

▶ Show 28 earlier versions

  1. May 2022 — Nov 2022 [monthly]

    Active Not Recruiting PHASE2

  2. Dec 2021 — May 2022 [monthly]

    Active Not Recruiting PHASE2

    Status: Recruiting → Active Not Recruiting

  3. Nov 2021 — Dec 2021 [monthly]

    Recruiting PHASE2

  4. Jun 2021 — Nov 2021 [monthly]

    Recruiting PHASE2

  5. May 2021 — Jun 2021 [monthly]

    Recruiting PHASE2

  6. Apr 2021 — May 2021 [monthly]

    Recruiting PHASE2

  7. Mar 2021 — Apr 2021 [monthly]

    Recruiting PHASE2

  8. Feb 2021 — Mar 2021 [monthly]

    Recruiting PHASE2

  9. Jan 2021 — Feb 2021 [monthly]

    Recruiting PHASE2

  10. Dec 2020 — Jan 2021 [monthly]

    Recruiting PHASE2

  11. Nov 2020 — Dec 2020 [monthly]

    Recruiting PHASE2

  12. Oct 2020 — Nov 2020 [monthly]

    Recruiting PHASE2

    Status: Suspended → Recruiting

  13. Apr 2020 — Oct 2020 [monthly]

    Suspended PHASE2

    Status: Recruiting → Suspended

  14. Mar 2020 — Apr 2020 [monthly]

    Recruiting PHASE2

  15. Jan 2020 — Mar 2020 [monthly]

    Recruiting PHASE2

  16. Dec 2019 — Jan 2020 [monthly]

    Recruiting PHASE2

  17. Oct 2019 — Dec 2019 [monthly]

    Recruiting PHASE2

  18. Sep 2019 — Oct 2019 [monthly]

    Recruiting PHASE2

  19. Aug 2019 — Sep 2019 [monthly]

    Recruiting PHASE2

  20. Jul 2019 — Aug 2019 [monthly]

    Recruiting PHASE2

  21. Jun 2019 — Jul 2019 [monthly]

    Recruiting PHASE2

  22. May 2019 — Jun 2019 [monthly]

    Recruiting PHASE2

  23. Apr 2019 — May 2019 [monthly]

    Recruiting PHASE2

  24. Mar 2019 — Apr 2019 [monthly]

    Recruiting PHASE2

  25. Feb 2019 — Mar 2019 [monthly]

    Recruiting PHASE2

  26. Jan 2019 — Feb 2019 [monthly]

    Recruiting PHASE2

    Status: Not Yet Recruiting → Recruiting

  27. Dec 2018 — Jan 2019 [monthly]

    Not Yet Recruiting PHASE2

  28. Nov 2018 — Dec 2018 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Ferring Pharmaceuticals
Data source: Ferring Pharmaceuticals

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

Study Locations

Ankeny, United States , Austin, United States , Baltimore, United States , Brooklyn, United States , Bryn Mawr, United States , Charleston, United States , Charlotte, United States , Chicago, United States , Corpus Christi, United States , DeBary, United States and 29 more locations