ClinicalTrials.Veeva

Menu

A Multiple-Dose Study of BLU-5937 in Chronic Pruritus Associated With Atopic Dermatitis (BLUEPRINT)

B

Bellus Health

Status and phase

Completed
Phase 2

Conditions

Atopic Dermatitis
Chronic Pruritus

Treatments

Drug: Placebo
Drug: BLU-5937

Study type

Interventional

Funder types

Industry

Identifiers

NCT04693195
CL-PR-5937-01

Details and patient eligibility

About

This is a multicenter, randomized, double-blind, placebo-controlled, parallel design study of BLU-5937 for the treatment of chronic pruritus in adult subjects with atopic dermatitis (AD).

Full description

The study will consist of a 37-day Screening period (including a 7-day Run-In period), a 4-week Treatment period followed by a Follow-Up visit approximately 2 weeks after the last dose of study drug.

Enrollment

142 patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Willing to participate and is capable of giving informed consent
  • Clinically confirmed diagnosis of active AD with at least a 6-month history of AD
  • Chronic pruritus related to AD for at least 3 months
  • Moderate to severe itch associated with mild to moderate AD
  • Female of childbearing potential must agree to use a highly effective contraceptive method during the study and until at least 4 weeks after the last study drug administration

Exclusion criteria

  • History of skin disease or presence of skin condition that would interfere with the study assessments
  • Clearly defined etiology for pruritus other than AD, including but not limited to: urticaria, psoriasis, or other non-atopic dermatologic conditions, hepatic or renal disease, psychogenic pruritus, drug reaction, uncontrolled hyperthyroidism, and infection
  • Presence of any acute skin condition other than AD which may risk inducing a pruritus flare/worsening during the course of the study, including but not limited to: impetigo, active herpes simplex infection, or allergic contact dermatitis
  • Subject is >65 years of age and has developed pruritus at age of ≥50 years
  • History of cancer or lymphoproliferative disease within 5 years with the exception of successfully treated nonmetastatic cutaneous squamous cell or basal cell carcinoma and/or localized carcinoma in situ of the cervix
  • Known history of, or active, parasitic infection, including skin parasites such as scabies within 12 months prior to Screening
  • Known history of chronic infectious disease (e.g. hepatitis B, hepatitis C, or human immunodeficiency virus [HIV])
  • Known history of clinically significant drug or alcohol abuse in the last year
  • Previous participation in a BLU-5937 trial

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

142 participants in 2 patient groups, including a placebo group

BLU-5937 oral tablet
Experimental group
Description:
Eligible participants will receive BLU-5937 twice a day (BID) orally for 4 weeks.
Treatment:
Drug: BLU-5937
Placebo oral tablet
Placebo Comparator group
Description:
Eligible participants will receive matching Placebo BID orally for 4 weeks.
Treatment:
Drug: Placebo

Trial contacts and locations

33

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2025 Veeva Systems