Study to Evaluate the Efficacy and Safety of Oral Difelikefalin for Moderate to Severe Pruritus in Subjects With Notalgia Paresthetica

• Status: Recruiting
• Trial end date: 2026-05-01
• Target enrollment: 0
• Participant gender: All

Summary

This is a 2-part, multicenter, randomized, double-blind, placebo-controlled study to evaluate the efficacy and safety of twice-daily (BID) oral difelikefalin for moderate-to-severe pruritus in adult subjects with NP.

• Phase: Phase 2/Phase 3
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Cara Therapeutics, Inc.

Criteria

Key Inclusion Criteria:

To be eligible for inclusion into the study, a patient must meet the following criteria:

• Subject has clinically confirmed diagnosis of active Notalgia Paresthetica;

• Subject has a history of chronic pruritus due to Notalgia Paresthetica;

• Subject has moderate to severe pruritus;

• Female subject is not pregnant or nursing during any period of the study.

Key Exclusion Criteria:

A patient will be excluded from the study if any of the following criteria are met:

• Subject has pruritus attributed to a cause other than Notalgia Paresthetica;

• Subject has any clinically significant medical condition or physical/laboratory/ECG/vital signs abnormality that would, in the opinion of the investigator, put the subject at undue risk or interfere with interpretation of study results.