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ClinicalTrials.gov public records Last synced Sep 29, 2026, 12:46 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Conditions
Pruritus, Atopic Dermatitis
Interventions
difelikefalin 0.25 mg, difelikefalin 0.5 mg, TCS Cream, Placebo, Vehicle Cream
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
61
States / cities
Scottsdale, Arizona • Fort Smith, Arkansas • Rogers, Arkansas + 56 more
Conditions
Uremic Pruritus
Interventions
CR845 0.5 mcg/kg, Placebo
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
57
States / cities
Homewood, Alabama • Huntsville, Alabama • Bakersfield, California + 52 more
Conditions
Uremic Pruritus
Interventions
CR845
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
26
States / cities
Chula Vista, California • El Centro, California • Long Beach, California + 21 more
Conditions
Chronic Pruritus of Unknown Origin
Interventions
nemolizumab, Placebo
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
25
States / cities
Birmingham, Alabama • Tucson, Arizona • Fountain Valley, California + 22 more
Conditions
Pruritus, Notalgia Paresthetica
Interventions
difelikefalin 2.0 mg tablets, difelikefalin 1.0 mg tablets, difelikefalin 0.25 mg tablets, Placebo tablets
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
38
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fayetteville, Arkansas + 34 more
Conditions
Uremic Pruritus, Pruritus
Interventions
nalbuphine HCl ER tablets 60 mg BID, nalbuphine HCl ER tablets 120mg BID, Placebo tablets BID
Drug
Lead sponsor
Trevi Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
373 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
41
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 35 more
Conditions
Prurigo Nodularis, Pruritus, Chronic Pruritus, Chronic Prurigo, Skin Diseases
Interventions
Abrocitinib
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Uremic Pruritus
Interventions
CR845 0.5 mcg/kg
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
33
States / cities
Escondido, California • Riverside, California • San Diego, California + 26 more
Conditions
Atopic Dermatitis
Interventions
Tradipitant, Placebo
Drug
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
70
States / cities
Birmingham, Alabama • Tempe, Arizona • Encino, California + 60 more
Conditions
Chronic Pruritus in Adult Subjects With Notalgia Paresthetica (NP)
Interventions
CLE-400, Vehicle
Drug
Lead sponsor
Clexio Biosciences Ltd.
Industry
Eligibility
18 Years to 80 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
13
States / cities
Bryant, Arkansas • Fremont, California • Coral Gables, Florida + 10 more
Conditions
Chronic Spontaneous Urticaria
Interventions
Ritlecitinib 50 mg, Ritlecitinib 100 mg, Placebo - 50 mg, Placebo - 100 mg
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
15
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Bakersfield, California + 12 more
Conditions
Uremic Pruritus
Interventions
PA101B, Placebo
Drug
Lead sponsor
Patara Pharma
Industry
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
13
States / cities
Phoenix, Arizona • Pine Bluff, Arkansas • Northridge, California + 10 more
Conditions
Atopic Dermatitis, Pruritus, Pruritus Chronic, Dermatitis
Interventions
Naltrexone, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Pruritus
Interventions
Dupilumab 300Mg Solution for Injection
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Chronic Spontaneous Urticaria
Interventions
barzolvolimab, Matching placebo
Biological
Lead sponsor
Celldex Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
963 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
58
States / cities
Birmingham, Alabama • Fountain Valley, California • Inglewood, California + 50 more
Conditions
Prurigo Nodularis
Interventions
Povorcitinib, Placebo
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years to 75 Years
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Fayetteville, Arkansas + 26 more
Conditions
Urticaria
Interventions
abatacept (Orencia ®)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Chronic Spontaneous Urticaria
Interventions
Ligelizumab
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
1,033 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
39
States / cities
Birmingham, Alabama • Gilbert, Arizona • Litchfield Park, Arizona + 36 more
Conditions
Burn Injury, Chronic Pain, Pruritus, Itching
Interventions
Transcranial direct current stimulation (tDCS)
Device
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Chronic Spontaneous Urticaria
Interventions
LOU064 (blinded), Placebo, LOU064 (open-label)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
30
States / cities
Birmingham, Alabama • Litchfield Park, Arizona • Little Rock, Arkansas + 27 more
Conditions
Psoriasis
Interventions
CP-690,550, Placebo/CP-690,550
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
901 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
32
States / cities
Birmingham, Alabama • Irvine, California • San Diego, California + 25 more
Conditions
Psoriasis
Interventions
CP-690,550
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
666 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
50
States / cities
Mobile, Alabama • Tucson, Arizona • Fremont, California + 33 more
Conditions
Chronic Spontaneous Urticaria
Interventions
Ligelizumab, Omalizumab, Placebo
Biological · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
1,078 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
34
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 29 more
Conditions
Cutaneous Nerves CNS Itch
Interventions
Clonidine, Naltrexone
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota