Status:

COMPLETED

A Clinical Trial to Investigate Efficacy and Safety of NT 201 Injections Compared With Placebo Injections in Participants Aged 18 Years and Older With Chronic Nerve Pain After Shingles or Nerve Injury

Lead Sponsor:

Merz Therapeutics GmbH

Conditions:

Moderate to Severe Chronic Peripheral Neuropathic Pain (PNP) Due to Postherpetic Neuralgia (PHN) or Peripheral Nerve Injury

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

In this clinical trial, participants with nerve pain after shingles or nerve injury will receive injections with NT 201 or placebo. The purpose is to measure the decrease of nerve pain with NT 201 com...

Eligibility Criteria

Inclusion

  • Chronic peripheral neuropathic pain that persists for at least 6 months by the time of the screening visit and is plausibly related to either an episode of herpes zoster or a peripheral nerve injury (caused by surgery or mechanical trauma).
  • Documented diagnosis of either chronic neuropathic pain after peripheral nerve injury (i.e., postsurgical/post-traumatic neuropathic pain) or postherpetic neuralgia with at least probable level of certainty according to the NeuPSIG/IASP (Neuropathic Pain Special Interest Group / International Association on the Study of Pain) grading system.
  • A score of at least 4 out of 10 points on the Neuropathic Pain 4 Questions (DN4) questionnaire.

Exclusion

  • Complex Regional Pain Syndrome Type 1 and Type 2.
  • Any other painful condition or disease that requires treatment (only mild to moderate episodic migraine treated with triptans and/or non-steroidal anti- inflammatory drugs (NSAIDs), if any, is acceptable).
  • Postsurgical/post-traumatic neuropathic pain due to amputation and/or phantom limb pain.

Key Trial Info

Start Date :

November 22 2023

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

July 4 2025

Estimated Enrollment :

123 Patients enrolled

Trial Details

Trial ID

NCT06091020

Start Date

November 22 2023

End Date

July 4 2025

Last Update

July 24 2025

Active Locations (31)

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Page 1 of 8 (31 locations)

1

Merz Investigational Site #3590004

Plovdiv, Bulgaria, 4000

2

Merz Investigational Site #3590006

Sofia, Bulgaria, 1113

3

Merz Investigational Site #3590005

Sofia, Bulgaria, 1606

4

Merz Investigational Site #3590002

Sofia, Bulgaria, 1784