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CR845 /kg

Phase 3

Uremic Pruritus | Small molecule | Dermatology |Cara Therapeutics, Inc.|Last Updated: Apr 26, 2022

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials5
Total Enrollment1,587
FDA Designations
No designations recorded
Clinical Trials (5)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03998163CR845-CLIN3105: A Study to Evaluate the Safety and Effectiveness of CR845 in Hemodialysis Patients With Moderate-to-Severe PruritusPHASE3 COMPLETED 222May 6, 2019Mar 6, 2020Oct 15, 202147 United States, Czechia +2
NCT03636269CR845-CLIN3103: A Global Study to Evaluate the Safety and Efficacy of CR845 in Hemodialysis Patients With Moderate-to-Severe PruritusPHASE3 COMPLETED 473Jul 17, 2018Mar 30, 2020Apr 26, 202292 United States, Australia +9
NCT03422653A Study to Evaluate the Safety and Efficacy of CR845 in Hemodialysis Patients With Moderate-to-Severe Pruritus (KALM-1)PHASE3 COMPLETED 378Feb 20, 2018Mar 26, 2020Apr 26, 202257 United States
NCT03281538Extension Study to Evaluate IV CR845 in Hemodialysis Patients With Moderate-to-Severe PruritusPHASE3 COMPLETED 288Aug 14, 2017Feb 11, 2020Oct 14, 202127 United States, Puerto Rico
NCT02858726Study to Evaluate IV CR845 in Hemodialysis Patients With Moderate-to-Severe PruritusPHASE2 COMPLETED 226Jun 1, 2016Mar 14, 2017Jul 29, 202029 United States
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Study Endpoints
Primary Endpoints
Number of Participants With AEs.
Up to Follow-Up Visit (Week 13-14)

Assessed by monitoring of adverse events.

Reduction of Itch Intensity as Assessed by the Percentage of Patients Achieving an Improvement From Baseline ≥3 Points With Respect to the Weekly Mean of the Daily 24-hour Worst Itching Intensity Numerical Rating Scale (NRS) Score at Week 12
Week 12

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". LS means estimated percent, odds ratio and P value used a logistic regression model.

Number of Participants With AEs
Up to 52 weeks

Assessed by physical examination, monitoring of adverse events, vital signs and laboratory assessments

Change From Baseline in the Weekly Mean of the Daily 24-hour Worst Itching Intensity NRS Score During Week 8
Baseline, Week 8

Intensity of itch was measured using a numerical rating scale (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". Higher scores meant worse itch intensity.

Secondary Endpoints
Reduction of Itch Intensity as Assessed by the Percentage of Patients Achieving an Improvement From Baseline ≥4 Points With Respect to the Weekly Mean of the Daily 24-hour Worst Itching Intensity NRS Score at Week 12
Week 12
Improvement in Itch-related Quality of Life as Assessed by the Change From Baseline in Total Skindex-10 Scale Score at the End of Week 12
Baseline, Week 12
Improvement in Itch-related Quality of Life as Assessed by the Change From Baseline in 5-D Itch Scale Score at the End of Week 12
Baseline, Week 12
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
CR845 0.5mcg/kgEXPERIMENTALIV CR845 0.5 mcg/kg administered after each dialysis session (3 times/week)
PlaceboPLACEBO_COMPARATORIV Placebo administered after each dialysis session (3 times/week)
CR845 1 mcg/kgEXPERIMENTALPart A of study: IV CR845 1 mcg/kg administered after each dialysis session (3 times/week)
CR845 1.5mcg/kgEXPERIMENTALPart A of study: IV CR845 1.5 mcg/kg administered after each dialysis session (3 times/week)
Interventions
NameTypeDescription
CR845 0.5 mcg/kgDRUGIV CR845 0.5 mcg/kg administered three times/week
PlaceboDRUGIV placebo administered three times/week
CR845DRUGIV CR845 0.5 mcg/kg administered after each dialysis session (3 times/week)
CR845 1 mcg/kgDRUGIV medication delivered three times/week
CR845 1.5mcg/kgDRUGIV medication delivered three times/week
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Eligibility Criteria
Age Range18 Years — 85 Years
SexALL
Healthy VolunteersNo
Study Sites47

Key Inclusion Criteria: To be eligible for inclusion into the study, a patient must meet the following criteria: * Has end-stage renal disease (ESRD) and has been on hemodialysis 3 times per week for at least 3 months prior to the start of screening; * Has at least 2 single-pool Kt/V measurements ...

Countries:United StatesCzechiaHungaryPolandAustraliaCanadaGermanyNew ZealandSouth KoreaTaiwanUnited KingdomPuerto Rico
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