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Proof of Concept of VLY-686 in Subjects With Treatment-Resistant Pruritus Associated With Atopic Dermatitis

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT02004041
Recruitment Status : Completed
First Posted : December 6, 2013
Last Update Posted : June 3, 2015
Information provided by (Responsible Party):
Vanda Pharmaceuticals

Brief Summary:
The purpose of this study is to test whether VLY-686 can reduce chronic pruritus in subjects with treatment-resistant pruritus associated with atopic dermatitis in comparison with placebo.

Condition or disease Intervention/treatment Phase
Treatment-resistant Pruritus Associated With Atopic Dermatitis Drug: VLY-686 Drug: Placebo Phase 2

Detailed Description:
This is randomized, double-blind, placebo-controlled study to be conducted at two sites in Germany. Sixty-eight (68) subjects with chronic pruritus associated with atopic dermatitis, will be randomized to either the placebo group or the active treatment group with VLY-686. The study is divided into three phases: the screening phase, the evaluation phase, and the post-therapy follow-up phase. The screening phase comprises a screening visit when subjects' preliminary eligibility for the study will be evaluated and a wash-out period when subjects will stop use of any current topical or systemic treatment. The evaluation period comprises 4 weeks of randomized double-blind treatment. The post-therapy follow-up period consists of a wash-out followed by a clinic visit for safety assessments and to check for residual efficacy of the treatment.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 69 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Placebo-Controlled, Proof of Concept, Antipruritic Study of the Neurokinin-1 Receptor Antagonist VLY-686 in Subjects With Treatment-Resistant Pruritus Associated With Atopic Dermatitis
Study Start Date : December 2013
Actual Primary Completion Date : February 2015
Actual Study Completion Date : February 2015

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Eczema Itching

Arm Intervention/treatment
Experimental: VLY-686 x mg
Single dose, X mg VLY-686, administered as X 50 mg VLY-686 oral capsule(s)
Drug: VLY-686
capsules containing 50 mg VLY-686

Placebo Comparator: Placebo
Single dose, placebo, administered as X 50 mg oral capsule(s)
Drug: Placebo
Sugar capsule to mimic VLY-686 50 mg capsule

Primary Outcome Measures :
  1. Efficacy of VLY-686 on reducing chronic pruritus using Verbal Rating Scale (VRS) score and item 'pruritus' of Patient Global Assessment (PGA) Likert scale [ Time Frame: 4 weeks ]
  2. Efficacy of VLY-686 on reducing chronic pruritus using Visual Analog Scale (VAS) [ Time Frame: 4 weeks ]

Secondary Outcome Measures :
  1. Efficacy of VLY-686 on reducing atopic dermatitis skin lesions using SCORAD [ Time Frame: 4 weeks ]
  2. Evaluate time course changes in VRS scores [ Time Frame: 4 weeks ]
  3. Effect of VLY-686 on physiology of skin as measured by TransEpidermal Water Loss (TEWL) [ Time Frame: 4 weeks ]
  4. Effect of VLY-686 on the subjective measure of Patient Benefit Index (PBI). [ Time Frame: 4 weeks ]
  5. Measurement of nerve fiber density and NK-1 receptor density in exploratory skin biopsies. [ Time Frame: 4 weeks ]
  6. Number of adverse events in subjects taking placebo [ Time Frame: 4 weeks ]
  7. Explore the contribution of genetic factors on safety outcomes (e.g. number of adverse events, changes in vital signs, changes in laboratory values). [ Time Frame: 4 weeks ]
  8. Evaluate time course changes in VAS scores [ Time Frame: 4 weeks ]
  9. Explore the contribution of genetic factors on efficacy outcomes (e.g. VRS, VAS, SCORAD) [ Time Frame: 4 weeks ]
  10. Number of adverse events in subjects taking VLY-686 [ Time Frame: 4 weeks ]
  11. Effect of VLY-686 on physiology of skin as measured by Skin Hydration. [ Time Frame: 4 weeks ]
  12. Efficacy of VLY-686 on reducing atopic dermatitis skin lesions using Eczema Area and Severity Index (EASI) [ Time Frame: 4 weeks ]
  13. Effect of VLY-686 on the subjective measure of Dermatology Life Quality Index (DLQI). [ Time Frame: 4 weeks ]
  14. Effect of VLY-686 on the Clinical Global Impression-Change (CGI-C). [ Time Frame: 4 weeks ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 65 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Men and women ages 18 - 65 years, inclusive; suffering from atopic dermatitis with a SCORAD index at inclusion ≤80;
  • With atopic lesions on arms, legs, trunk and neck;
  • Chronic pruritus with pruritus being actively present for at least 6 weeks prior to screening;
  • Subjects who have treatment-resistant pruritus; pruritus duration of > 6 weeks despite the use of antihistamines or corticosteroids;
  • Pruritus VAS intensity ≥70 mm (mean intensity during one of the two days preceding inclusion into the study / Baseline Visit)and patient assessment of pruritus (PGA Likert scale item "pruritus") at inclusion ≥3;
  • Subjects with Body Mass Index (BMI) of ≥18 and ≤35 kg/m2 (BMI = weight (kg)/ [height (m)]2);
  • Males, non-fecund females, or females of child-bearing potential using 2 independent highly effective barrier methods of birth control when used correctly for a period of 35 days before the first dosing, during the study and for one month after the last dose and must have a negative pregnancy test at the screening and baseline visits;
  • Vital signs (after 3 minutes resting in a sitting or semi-supine position) which are within the following ranges: Body temperature between 35.5-37.8 °C, -Systolic blood pressure between 91-130 mmHg, Diastolic blood pressure between 51-90 mmHg, Pulse rate between 50-100 bpm;
  • Ability and acceptance to provide written informed consent;
  • Willing and able to comply with study requirements and restrictions including the discontinuation of all current therapies for pruritus;
  • Willing to not participate in any other clinical trials for the duration of the VLY-686 trial;
  • Subjects must be in good health as determined by past medical history, physical examination, electrocardiogram, clinical laboratory tests and urinalysis.

Exclusion Criteria:

  • Chronic pruritus due to conditions other than atopic dermatitis (AD) including the following conditions: Prurigo nodularis, Lichen simplex chronicus, Bullous pemphigoid;
  • Other non-AD subjects (notalgia paresthetica, brachioradial pruritus, somatoform prurigo, dilusional parasitosis, depression associated prurigo);
  • Acute superinfection of AD;
  • Current and past systematic use of topical or systemic antihistamines (2 weeks prior to the Baseline Visit, topical steroids (2 weeks prior to the Baseline Visit), systemic steroids (6 weeks prior to the Baseline Visit), cytotoxic treatment (4 weeks prior to the Baseline Visit), cyclosporin A and other immunosuppressants (8 weeks prior to the Baseline Visit), naltrexone, paroxetine, fluvoxamine, amitriptyline, gabapentin, pregabalin (prescribed for the pruritus treatment, 4 weeks prior to the Baseline Visit), topical calcineurin inhibitors, topical antibiotics, antiseptic bathes and cleansing lotions (8 weeks prior to the Baseline Visit);
  • Under actual medical treatment for a skin disease with a therapy listed in the prohibited medications section that may influence the results of the study;
  • History of recent (within six months) drug or alcohol abuse as defined in DSM V, Diagnostic Criteria for Drug and Alcohol Abuse or evidence of such abuse as indicated by the laboratory assays conducted during the Screening or Baseline Visits;
  • Patients who are currently at imminent risk of harm to self or others will be excluded;
  • Any major surgery within three months of the Baseline Visit or any minor surgery within one month;
  • Current clinically significant cardiovascular, respiratory, neurologic, hepatic, hematopoietic, renal, gastrointestinal or metabolic dysfunction unless currently controlled and stable; Uncontrolled diabetes mellitus defined as HbA1c >7% or fasting glucose levels >130 mg/dL; Positive hepatitis C antibody test (anti-HCV); Positive hepatitis B surface antigen (HBsAg);
  • History (including family history) or current evidence of congenital long QT syndrome or known acquired QT interval prolongation;
  • Exposure to any investigational medication, including placebo, within 60 days of the Baseline Visit;
  • Exposure (within 2 weeks of the Baseline Visit) to any over-the-counter medications including melatonin, dietary supplements and/or herbal remedies;
  • Treatment with any medication known to cause major organ system toxicity (e.g., chloramphenicol or tamoxifen) during the 60 days preceding the Screening visit;
  • History of intolerance and/or hypersensitivity to medications similar to VLY-686 and its accompanying excipients; Participation in a previous LY686017 or VLY-686 trial;
  • Significant illness within the two weeks prior to the Baseline Visit;
  • Pregnant or lactating females;
  • Have a history of cirrhosis or laboratory evidence of hepatocellular injury, as evidenced by elevated levels of serum alanine aminotransferase (ALT) or serum aspartate aminotransferase (AST) greater than 2 times the upper limit of normal (2X ULN);
  • Not willing to accept information-transfer concerning participation in the study, or information regarding his/her health (e.g. laboratory results or medical history);
  • Anyone affiliated with the site or sponsor and/or anyone who may consent under duress;
  • Any other sound medical reason as determined by the clinical Investigator.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT02004041

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Dusseldorf, Germany
Kiel, Germany
Munster, Germany
Sponsors and Collaborators
Vanda Pharmaceuticals
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Responsible Party: Vanda Pharmaceuticals Identifier: NCT02004041    
Other Study ID Numbers: VP-VLY-686-2101
2013-002931-25 ( EudraCT Number )
First Posted: December 6, 2013    Key Record Dates
Last Update Posted: June 3, 2015
Last Verified: January 2015
Keywords provided by Vanda Pharmaceuticals:
atopic dermatitis
Additional relevant MeSH terms:
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Dermatitis, Atopic
Skin Diseases
Skin Diseases, Genetic
Genetic Diseases, Inborn
Skin Diseases, Eczematous
Hypersensitivity, Immediate
Immune System Diseases
Skin Manifestations
Signs and Symptoms