Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 10, 2026, 8:29 AM EDT

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Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
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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 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
Chronic Kidney Disease Associated Moderate to Severe Pruritus
Interventions
Nemolizumab, Placebo
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
47
States / cities
Bakersfield, California • Glendale, California • La Palma, California + 40 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 Kidney Diseases, Pruritus
Interventions
Difelikefalin 1 mg Oral Tablet, Placebo Oral Tablet
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
286 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
83
States / cities
Huntsville, Alabama • Phoenix, Arizona • Surprise, Arizona + 76 more
Conditions
Uremic Pruritus
Interventions
CR845 0.5 mcg/kg, Placebo
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
473 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
29
States / cities
Chula Vista, California • Fountain Valley, California • Northridge, California + 25 more
Conditions
Chronic Kidney Diseases, Pruritus
Interventions
Difelikefalin 1 mg Oral Tablet, Placebo Oral Tablet
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
9
States / cities
Northridge, California • Miami, Florida • Miami Lakes, Florida + 5 more
Conditions
Chronic Kidney Diseases, Pruritus
Interventions
CR845 0.25 mg Oral Tablet, CR845 0.5 mg Oral Tablet, CR845 1 mg Oral Tablet, Placebo Oral Tablet
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
60
States / cities
Birmingham, Alabama • Florence, Alabama • Phoenix, Arizona + 52 more