Trial · NCT03995212
Study to Evaluate the Safety and Efficacy of Oral CR845 (Difelikefalin) in Patients With Primary Biliary Cholangitis (PBC) and Moderate-to-Severe Pruritus
NCT03995212, Phase 2, Terminated, Cara Therapeutics, Inc.
3 sourcestrials-2026-11-12-0.5.0
Cite this record
ConductScience Library. Study to Evaluate the Safety and Efficacy of Oral CR845 (Difelikefalin) in Patients With Primary Biliary Cholangitis (PBC) and Moderate-to-Severe Pruritus. Trials, record NCT03995212. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT03995212
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- Study to Evaluate the Safety and Efficacy of Oral CR845 (Difelikefalin) in Patients With Primary Biliary Cholangitis (PBC) and Moderate-to-Severe Pruritus
- NCT number
- NCT03995212
- Status
- Terminated
- Phases
- Phase 2
- Enrollment
- 14 participants, actual
- Lead sponsor
- Cara Therapeutics, Inc.
- Conditions
- Cholestatic Pruritus
- Interventions
- CR845 1.0 mg, Placebo
- First posted
- 2019-06-21
- Last updated
- 2023-07-03
Source ClinicalTrials.gov
Registered outcomes4
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | Change from baseline to Week 16 with respect to the weekly mean of the daily 24-hour Worst Itching Intensity Numeric Rating Scale (WI-NRS) score. | Baseline, Week 16 | Intensity of itch will be measured using an NRS used to indicate the intensity of the worst itching over the past 24 hours using a 0 to 10 numeric rating scale, where "0" represents "no itching" and "10" represents "worst itching imaginable". |
| Secondary | Improvement in itch-related quality of life as assessed by the change from baseline to Week 16 in total Skindex-10 Scale score | Baseline, Week 16 | The Skindex-10 Scale is a multidimensional questionnaire which assesses itch-related quality of life over the past week. The questions cover 3 domains: disease, mood/emotional distress, and social functioning domain. A lower total score represents better quality of life. |
| Secondary | Improvement in itch-related quality of life as assessed by the change from baseline to Week 16 in 5-D Itch Scale score | Baseline, Week 16 | The 5-D Itch Scale is a multidimensional questionnaire which assesses itch-related quality of life over the past 2 weeks. The questions cover five dimensions of itch including the degree, duration of itch/day, direction (improvement/worsening), disability (impact on activities such as work), and body distribution of itch. A lower total score represents better quality of life. |
| Secondary | Reduction of itch intensity as assessed by the proportion of patients achieving an improvement from baseline ≥3 points with respect to the weekly mean of the daily 24-hour WI-NRS score at Week 16 | Week 16 | Intensity of itch will be measured using an NRS used to indicate the intensity of the worst itching over the past 24 hours using a 0 to 10 numeric rating scale, where "0" represents "no itching" and "10" represents "worst itching imaginable". |
Source ClinicalTrials.gov
Outcomes0
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
None in this release.
Results by group0
Each measurement the trial posted, group by group, in the words and numbers it posted.
None in this release.
Participant flow0
How many started, completed or left each group, period by period.
None in this release.
Adverse events0
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
None in this release.
Adverse event totals0
The totals the trial posted for each group.
None in this release.
Papers0
The papers the trial lists on ClinicalTrials.gov.
None in this release.
Grants0
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
None in this release.
Trial comparisons0
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
None in this release.
Tests0
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
None in this release.
Data dates
The day each source was copied for this release.
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
- NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
For software
Read this trial from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/trials/v1/NCT03995212
GET https://conductscience.org/api/trials/v1/NCT03995212/registered