Dupilumab for Chronic Itch
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial tests a new treatment called dupilumab, an injectable medication, to determine its effectiveness in reducing chronic itch caused by lichen simplex chronicus (LSC). Participants will receive injections of either the actual treatment or a placebo, a non-active substance. The trial seeks individuals who have experienced moderate-to-severe LSC for at least six months, with a history of intense itching and no relief from other treatments. As a Phase 3 trial, this study represents the final step before potential FDA approval, offering participants the opportunity to contribute to the development of a promising new treatment.
Will I have to stop taking my current medications?
The trial does not specify if you must stop taking your current medications, but it mentions a 'washout period' for those who have had systemic treatment for LSC in the past 6 months. It's best to discuss your specific medications with the trial team.
Is there any evidence suggesting that this trial's treatments are likely to be safe?
Research has shown that dupilumab is generally safe for people. It treats conditions like eczema and asthma, which involve certain types of inflammation. In these studies, most participants did not experience serious side effects.
For example, one study with adults who had moderate-to-severe eczema found that 85% of patients had good results with dupilumab and did not experience severe side effects. Another study found that dupilumab is safe for treating prurigo nodularis, a skin condition that causes itchy bumps.
Overall, these findings suggest that dupilumab is safe for treating chronic itch, with no serious safety concerns reported in past research. However, like any treatment, some people might experience mild side effects. It's always important to discuss potential risks with a healthcare provider before joining a clinical trial.12345Why do researchers think this study treatment might be promising?
Dupilumab is unique because it targets the IL-4 and IL-13 pathways, which play a key role in chronic itch. Unlike traditional treatments that often focus on symptom relief through antihistamines or corticosteroids, Dupilumab addresses the underlying inflammation more directly. Researchers are excited because it offers a new mechanism of action that could provide relief for patients who don't respond well to existing therapies.
What evidence suggests that dupilumab might be an effective treatment for chronic itch?
Research has shown that dupilumab, which participants in this trial may receive, helps reduce chronic itching. In one study, 41% of adults using dupilumab experienced a significant reduction in itchiness, compared to only 12% of those taking a placebo. Another review found that dupilumab also improved symptoms in skin conditions like prurigo nodularis, which causes long-lasting itch. These findings suggest that dupilumab can greatly relieve symptoms for people with conditions that cause persistent itching.12356
Are You a Good Fit for This Trial?
This trial is for adults with Lichen Simplex Chronicus (LSC) who've had it for at least 6 months, have severe skin lesions, and experience chronic itching. Participants must have tried and failed a course of topical treatments or be unable to use them. They should also practice appropriate contraception.Inclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Treatment
Participants receive dupilumab or placebo subcutaneous injections for the treatment of pruritus in Lichen Simplex Chronicus
Follow-up
Participants are monitored for safety and effectiveness after treatment
What Are the Treatments Tested in This Trial?
Interventions
- Dupilumab
Trial Overview
The study compares the effects of Dupilumab injections versus placebo on reducing itchiness in LSC patients over a period of up to 24 weeks, followed by a 12-week observation phase. The participants will visit the clinic six times throughout the study.
How Is the Trial Designed?
2
Treatment groups
Experimental Treatment
Placebo Group
Dupilumab subcutaneous injection as per protocol
Placebo subcutaneous injection as per protocol
Dupilumab is already approved in United States, European Union for the following indications:
- Atopic dermatitis
- Asthma
- Chronic rhinosinusitis with nasal polyps
- Eosinophilic esophagitis
- Atopic dermatitis
- Asthma
- Chronic rhinosinusitis with nasal polyps
- Eosinophilic esophagitis
Find a Clinic Near You
Who Is Running the Clinical Trial?
Sanofi
Lead Sponsor
Paul Hudson
Sanofi
Chief Executive Officer since 2019
Degree in Economics from Manchester Metropolitan University
Christopher Corsico
Sanofi
Chief Medical Officer
MD from Cornell University, MPH in Chronic Disease Epidemiology from Yale University
Regeneron Pharmaceuticals
Industry Sponsor
Leonard Schleifer
Regeneron Pharmaceuticals
Chief Executive Officer since 1988
MD and PhD in Medicine
George Yancopoulos
Regeneron Pharmaceuticals
Chief Medical Officer since 1997
MD from Harvard Medical School
Published Research Related to This Trial
Citations
NCT02277769 | Study of Dupilumab (REGN668/ ...
This is a randomized, double-blind, placebo-controlled, parallel-group study to confirm the efficacy and safety of Dupilumab monotherapy in adults with moderate ...
Dupilumab for the treatment of prurigo nodularis
The objective of this study was to systematically review dupilumab-related treatment outcomes in prurigo nodularis.
Dupilumab Treatment in Adults with Moderate-to-Severe ...
The results of the 12-week study of dupilumab monotherapy reproduced and extended the 4-week findings: 85% of patients in the dupilumab group, ...
4.
investor.regeneron.com
investor.regeneron.com/news-releases/news-release-details/sanofi-and-regeneron-report-positive-proof-concept-dataSanofi and Regeneron Report Positive Proof-of-Concept ...
Treatment with four weekly subcutaneous injections of dupilumab at either 150 milligrams (mg) or 300mg per week, significantly improved the signs and symptoms ...
Adult Peak Pruritus NRS Efficacy Results
41 % of adults treated with DUPIXENT (n=213) achieved ≥4-point reduction in Peak Pruritus NRS vs 12% with placebo at Week 16 in SOLO 1 (n=212; P<0.001)
NCT02260986 | Study to Assess the Efficacy and Long- ...
The Safety Data of Dupilumab for the Treatment of Moderate-to-Severe Atopic Dermatitis in Infants, Children, Adolescents, and Adults. Am J Clin Dermatol ...
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