Overview

CR845-CLIN3105: A Study to Evaluate the Safety and Effectiveness of CR845 in Hemodialysis Patients With Moderate-to-Severe Pruritus

Status:
Completed
Trial end date:
2020-03-06
Target enrollment:
0
Participant gender:
All
Summary
This is a multicenter, open-label study to evaluate the safety and effectiveness of intravenous (IV) CR845 at a dose of 0.5 mcg/kg administered after each dialysis session. The study includes an up to 12-week Treatment Period.
Phase:
Phase 3
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Cara Therapeutics, Inc.
Criteria
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 ≥1.2, or at least 2 urea reduction ratio
measurements ≥65%, or 1 single pool Kt/V measurement ≥1.2 and 1 urea reduction ratio
measurement ≥65% on different dialysis days during the 3 months period prior to
screening;

- Prior to Treatment:

- Has completed at least 3 Worst Itching Intensity NRS questionnaires from the
start of the Run-in Period up to and including the pre-dose assessment on Day 1;

Key Exclusion Criteria:

A patient will be excluded from the study if any of the following criteria are met:

- Known noncompliance with dialysis treatment that in the opinion of the investigator
would impede completion or validity of the study;

- Scheduled to receive a kidney transplant during the study;

- New or change of treatment received for itch including antihistamines and
corticosteroids (oral, IV, or topical) within 14 days prior to screening;

- New or change of prescription for opioids, gabapentin, or pregabalin within 14 days
prior to screening;

- Received another investigational drug within 30 days or five half-lives (whichever is
longer) prior to the start of dosing or is planning to participate in another
interventional clinical study while enrolled in this study;

- Has pruritus only during the dialysis session (by patient report);

- Is receiving ongoing ultraviolet B treatment and/or anticipates receiving such
treatment during the study;

- Participated in a previous clinical study with CR845.