A Study of CLE-400 (Topical Gel) for the Treatment of Chronic Pruritus in Adult Subjects With Notalgia Paresthetica

NCT ID: NCT06262607

Last Updated: 2025-11-18

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

59 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-01-29

Study Completion Date

2024-11-19

Brief Summary

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This is a Phase 2, randomized, double-blind, vehicle-controlled study to assess the efficacy and safety of CLE-400 topical gel for the treatment of chronic pruritus in adult subjects with Notalgia Paresthetica (NP).

Detailed Description

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Study to assess the efficacy and safety of CLE-400 topical gel applied once daily for the treatment of moderate-severe chronic pruritus in adult subjects with NP. The study comprises a screening phase of up to 37 days, including a 7-day run-in period, a 4-week double-blind treatment period, and a 2-week follow-up period.

Conditions

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Chronic Pruritus in Adult Subjects With Notalgia Paresthetica (NP)

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

54 subjects, 2 arms, parallel
Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators
double

Study Groups

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CLE-400 (Detomidine topical gel)

Topical CLE-400 gel 0.28% once daily

Group Type EXPERIMENTAL

CLE-400

Intervention Type DRUG

Topical CLE400 gel 0.28% administered once daily

Vehicle

Topical vehicle gel once daily

Group Type PLACEBO_COMPARATOR

Vehicle

Intervention Type DRUG

Topical vehicle gel administered once daily

Interventions

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CLE-400

Topical CLE400 gel 0.28% administered once daily

Intervention Type DRUG

Vehicle

Topical vehicle gel administered once daily

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Subject has a confirmed diagnosis of Notalgia Paresthetica.
* Subject has a history of chronic pruritus (itch) due to Notalgia Paresthetica.
* Subject has moderate to severe pruritus.
* Subject is able and competent to read and sign the informed consent form (ICF).

Exclusion Criteria

* Subject has chronic pruritus that is related to a condition other than Notalgia Paresthetica.
* Subject with known or suspected history of a clinically significant systemic disease, unstable medical disorders, life-threatening disease, including physical/laboratory/ECG/vital signs abnormality that would put the subject at undue risk or interfere with interpretation of study results
* Subject is a female who is breastfeeding, pregnant, or who is planning to become pregnant during the study.
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Clexio Biosciences Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Clinical site 11

Bryant, Arkansas, United States

Site Status

Clinical Site 21

Fremont, California, United States

Site Status

Clinical site 01

Coral Gables, Florida, United States

Site Status

Clinical Site 13

Margate, Florida, United States

Site Status

Clinical Site 10

North Miami Beach, Florida, United States

Site Status

Clinical Site 02

Indianapolis, Indiana, United States

Site Status

Clinical Site 23

Methuen, Massachusetts, United States

Site Status

Clinical Site 20

Portsmouth, New Hampshire, United States

Site Status

Clinical Site 15

New York, New York, United States

Site Status

Clinical site 03

High Point, North Carolina, United States

Site Status

Clinical Site 09

Dublin, Ohio, United States

Site Status

Clinical site 16

Houston, Texas, United States

Site Status

Clinical Site 06

San Antonio, Texas, United States

Site Status

Countries

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United States

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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CLE400-NP-201

Identifier Type: -

Identifier Source: org_study_id

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