deltatrials
Completed PHASE2 INTERVENTIONAL 2-arm NCT06176196

Evaluation of Efficacy and Safety of VX-548 for Painful Lumbosacral Radiculopathy (PLSR)

A Phase 2, Randomized, Double-blind, Placebo-controlled, Parallel-design Study of the Efficacy and Safety of VX-548 in Subjects With Painful Lumbosacral Radiculopathy

Sponsor: Vertex Pharmaceuticals Incorporated

Interventions Placebo VX-548
Updated 10 times since 2024 Last updated: Sep 30, 2025 Started: Dec 13, 2023 Primary completion: Oct 2, 2024 Completion: Oct 16, 2024
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 Painful Lumbosacral Radiculopathy and is currently completed. Vertex Pharmaceuticals Incorporated leads this study, which shows 10 recorded versions since 2023 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2024 – ~Feb 2024 · 31 days · monthly snapshot~Feb 2024 – ~Mar 2024 · 29 days · monthly snapshot~Mar 2024 – ~Apr 2024 · 31 days · monthly snapshot~Apr 2024 – ~Jun 2024 · 2 months · monthly snapshot~Jun 2024 – ~Jul 2024 · 30 days · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Oct 2024 · 30 days · monthly snapshot~Oct 2024 – ~Nov 2024 · 31 days · monthly snapshot~Nov 2024 – ~Nov 2025 · 12 months · monthly snapshotCompleted~Nov 2025 – present · 8 months · monthly snapshotCompleted

Change History

10 versions recorded
  1. Nov 2025 — Present [monthly]

    Completed PHASE2

  2. Nov 2024 — Nov 2025 [monthly]

    Completed PHASE2

    Status: Active Not RecruitingCompleted

  3. Oct 2024 — Nov 2024 [monthly]

    Active Not Recruiting PHASE2

  4. Sep 2024 — Oct 2024 [monthly]

    Active Not Recruiting PHASE2

    Status: RecruitingActive Not Recruiting

  5. Jul 2024 — Sep 2024 [monthly]

    Recruiting PHASE2

Show 5 earlier versions
  1. Jun 2024 — Jul 2024 [monthly]

    Recruiting PHASE2

  2. Apr 2024 — Jun 2024 [monthly]

    Recruiting PHASE2

  3. Mar 2024 — Apr 2024 [monthly]

    Recruiting PHASE2

  4. Feb 2024 — Mar 2024 [monthly]

    Recruiting PHASE2

    Status: Not Yet RecruitingRecruiting

  5. Jan 2024 — Feb 2024 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Dec 2023

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Vertex Pharmaceuticals Incorporated
Data source: Vertex Pharmaceuticals Incorporated

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