deltatrials
Completed PHASE2 INTERVENTIONAL 2-arm NCT04874636

Chronic Pain Master Protocol (CPMP): A Study of LY3556050 in Participants With Chronic Low Back Pain

Randomized, Placebo-Controlled, Phase 2 Clinical Trial to Evaluate LY3556050 for the Treatment of Chronic Low Back Pain

Sponsor: Eli Lilly and Company

Updated 13 times since 2021 Last updated: Oct 9, 2023 Started: May 20, 2021 Primary completion: Feb 9, 2022 Completion: Feb 9, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04874636, this PHASE2 trial focuses on Chronic Low-back Pain and remains completed. Sponsored by Eli Lilly and Company, it has been updated 13 times since 2021, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jun 2021 – ~Sep 2021 · 3 months · monthly snapshot~Sep 2021 – ~Oct 2021 · 30 days · monthly snapshot~Oct 2021 – ~Nov 2021 · 31 days · monthly snapshot~Nov 2021 – ~Dec 2021 · 30 days · monthly snapshot~Dec 2021 – ~Jan 2022 · 31 days · monthly snapshot~Jan 2022 – ~Feb 2022 · 31 days · monthly snapshot~Feb 2022 – ~Apr 2022 · 59 days · monthly snapshot~Apr 2022 – ~Mar 2023 · 11 months · monthly snapshot~Mar 2023 – ~Dec 2023 · 9 months · monthly snapshot~Dec 2023 – ~Jul 2024 · 7 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

13 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. Dec 2023 — Jul 2024 [monthly]

    Completed PHASE2

  5. Mar 2023 — Dec 2023 [monthly]

    Completed PHASE2

Show 8 earlier versions
  1. Apr 2022 — Mar 2023 [monthly]

    Completed PHASE2

    Status: RecruitingCompleted

  2. Feb 2022 — Apr 2022 [monthly]

    Recruiting PHASE2

  3. Jan 2022 — Feb 2022 [monthly]

    Recruiting PHASE2

  4. Dec 2021 — Jan 2022 [monthly]

    Recruiting PHASE2

  5. Nov 2021 — Dec 2021 [monthly]

    Recruiting PHASE2

  6. Oct 2021 — Nov 2021 [monthly]

    Recruiting PHASE2

  7. Sep 2021 — Oct 2021 [monthly]

    Recruiting PHASE2

    Status: Not Yet RecruitingRecruiting

  8. Jun 2021 — Sep 2021 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

May 2021

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Eli Lilly and Company
Data source: Eli Lilly and Company

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