Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 22, 2026, 4:01 PM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
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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
Conditions
Post Abdominal Surgery Pain
Interventions
CR845 IV 1 mcg/kg, CR845 IV 0.5 mcg/kg, Placebo IV
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
21 Years and older
Enrollment
451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
23
States / cities
Sheffield, Alabama • New Haven, Connecticut • Bradenton, Florida + 20 more
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
Pruritus, Atopic Dermatitis
Interventions
difelikefalin 0.25 mg, difelikefalin 0.5 mg, difelikefalin 1.0 mg, Placebo
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
401 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
38
States / cities
Anniston, Alabama • Birmingham, Alabama • Scottsdale, Arizona + 31 more
Conditions
Healthy
Interventions
CR845 0.5 mcg/kg IV, CR845 3 mcg/kg IV, Moxifloxacin 400 mg Oral Tablet, Placebo
Drug · Other
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Dallas, Texas