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

Primary Purpose

Uremic Pruritus

Status
Completed
Phase
Phase 3
Locations
International
Study Type
Interventional
Intervention
CR845 0.5 mcg/kg
Sponsored by
Cara Therapeutics, Inc.
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Uremic Pruritus focused on measuring Hemodialysis, Pruritus, Uremic Pruritus, Dialysis, CR845, Chronic Itch, CKD, CKD-associated pruritus, CKD-aP, ESRD (end stage renal disease), difelikefalin, Itch, Itching, KALM, Chronic Kidney Disease, Kidney failure, chronic, Kidney dysfunction, Generalized pruritus

Eligibility Criteria

18 Years - 85 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

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.

Sites / Locations

  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site 2
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site 2
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site 2
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site 3
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site 2
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site
  • Cara Therapeutics Study Site

Arms of the Study

Arm 1

Arm Type

Experimental

Arm Label

CR845 0.5mcg/kg

Arm Description

IV CR845 0.5 mcg/kg administered after each dialysis session (3 times/week)

Outcomes

Primary Outcome Measures

Number of Participants With AEs.
Assessed by monitoring of adverse events.

Secondary Outcome Measures

Full Information

First Posted
May 7, 2019
Last Updated
September 21, 2021
Sponsor
Cara Therapeutics, Inc.
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1. Study Identification

Unique Protocol Identification Number
NCT03998163
Brief Title
CR845-CLIN3105: A Study to Evaluate the Safety and Effectiveness of CR845 in Hemodialysis Patients With Moderate-to-Severe Pruritus
Official Title
An Open-Label, Multicenter Study to Evaluate the Safety and Effectiveness of Intravenous CR845 in Hemodialysis Patients With Moderate-to-Severe Pruritus
Study Type
Interventional

2. Study Status

Record Verification Date
September 2021
Overall Recruitment Status
Completed
Study Start Date
May 6, 2019 (Actual)
Primary Completion Date
February 26, 2020 (Actual)
Study Completion Date
March 6, 2020 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Cara Therapeutics, Inc.

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief 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.
Detailed Description
Screening Period: The Screening Period includes a Screening Visit and a Run-In Period. Informed consent will be obtained prior to performing any study-specific procedures. The Screening Visit will occur within 21 days prior to the start of the Run-in Period. Patients will start the Run-in Period during the week prior to Treatment Period to complete eligibility verification. Treatment Period: All scheduled study visits during the Treatment Period will be conducted on dialysis days. Patients will be administered CR845 as an IV bolus after the end of their dialysis during a Treatment Period of up to 12 weeks so that each patient will receive CR845 3 times weekly for a total of up to 36 doses. End of treatment (EOT) is defined as the first day of dialysis following the last dose of drug. The EOT procedures will be conducted on the dialysis visit following the last dose of study drug. Follow-up Visit: A final safety Follow up Visit will be conducted 7-10 days after the EOT/Early Termination Visit.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Uremic Pruritus
Keywords
Hemodialysis, Pruritus, Uremic Pruritus, Dialysis, CR845, Chronic Itch, CKD, CKD-associated pruritus, CKD-aP, ESRD (end stage renal disease), difelikefalin, Itch, Itching, KALM, Chronic Kidney Disease, Kidney failure, chronic, Kidney dysfunction, Generalized pruritus

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 3
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
222 (Actual)

8. Arms, Groups, and Interventions

Arm Title
CR845 0.5mcg/kg
Arm Type
Experimental
Arm Description
IV CR845 0.5 mcg/kg administered after each dialysis session (3 times/week)
Intervention Type
Drug
Intervention Name(s)
CR845 0.5 mcg/kg
Other Intervention Name(s)
CR845, Difelikefalin
Intervention Description
IV CR845 0.5 mcg/kg administered three times/week
Primary Outcome Measure Information:
Title
Number of Participants With AEs.
Description
Assessed by monitoring of adverse events.
Time Frame
Up to Follow-Up Visit (Week 13-14)

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
85 Years
Accepts Healthy Volunteers
No
Eligibility 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.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Frédérique Menzaghi, PhD
Organizational Affiliation
Cara Therapeutics
Official's Role
Study Director
Facility Information:
Facility Name
Cara Therapeutics Study Site
City
Escondido
State/Province
California
ZIP/Postal Code
92025
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Riverside
State/Province
California
ZIP/Postal Code
92505
Country
United States
Facility Name
Cara Therapeutics Study Site
City
San Diego
State/Province
California
ZIP/Postal Code
92111
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Victorville
State/Province
California
ZIP/Postal Code
92395
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Denver
State/Province
Colorado
ZIP/Postal Code
80230
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Middlebury
State/Province
Connecticut
ZIP/Postal Code
06762
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Norwich
State/Province
Connecticut
ZIP/Postal Code
06382
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Coral Gables
State/Province
Florida
ZIP/Postal Code
33134
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Fort Lauderdale
State/Province
Florida
ZIP/Postal Code
33308
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Hollywood
State/Province
Florida
ZIP/Postal Code
33024
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Miami
State/Province
Florida
ZIP/Postal Code
33169
Country
United States
Facility Name
Cara Therapeutics Study Site 2
City
Tampa
State/Province
Florida
ZIP/Postal Code
33614
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Tampa
State/Province
Florida
ZIP/Postal Code
33614
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Albany
State/Province
Georgia
ZIP/Postal Code
31701
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Boston
State/Province
Massachusetts
ZIP/Postal Code
02111
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Roseville
State/Province
Michigan
ZIP/Postal Code
48066
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Minneapolis
State/Province
Minnesota
ZIP/Postal Code
55404
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Kansas City
State/Province
Missouri
ZIP/Postal Code
64131
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Las Vegas
State/Province
Nevada
ZIP/Postal Code
89106
Country
United States
Facility Name
Cara Therapeutics Study Site 2
City
Las Vegas
State/Province
Nevada
ZIP/Postal Code
89128
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Great Neck
State/Province
New York
ZIP/Postal Code
11021
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Philadelphia
State/Province
Pennsylvania
ZIP/Postal Code
19140
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Spartanburg
State/Province
South Carolina
ZIP/Postal Code
29302
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Knoxville
State/Province
Tennessee
ZIP/Postal Code
37920
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Austin
State/Province
Texas
ZIP/Postal Code
78751
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Duncanville
State/Province
Texas
ZIP/Postal Code
75137
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Greenville
State/Province
Texas
ZIP/Postal Code
75402
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Mansfield
State/Province
Texas
ZIP/Postal Code
76063
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Mesquite
State/Province
Texas
ZIP/Postal Code
75080
Country
United States
Facility Name
Cara Therapeutics Study Site 2
City
San Antonio
State/Province
Texas
ZIP/Postal Code
78221
Country
United States
Facility Name
Cara Therapeutics Study Site
City
San Antonio
State/Province
Texas
ZIP/Postal Code
78251
Country
United States
Facility Name
Cara Therapeutics Study Site 3
City
San Antonio
State/Province
Texas
ZIP/Postal Code
78258
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Temple
State/Province
Texas
ZIP/Postal Code
76502
Country
United States
Facility Name
Cara Therapeutics Study Site
City
Havlíčkův Brod
Country
Czechia
Facility Name
Cara Therapeutics Study Site
City
Nové Město Na Moravě
Country
Czechia
Facility Name
Cara Therapeutics Study Site
City
Praha
Country
Czechia
Facility Name
Cara Therapeutics Study Site
City
Sokolov
Country
Czechia
Facility Name
Cara Therapeutics Study Site 2
City
Budapest
Country
Hungary
Facility Name
Cara Therapeutics Study Site
City
Budapest
Country
Hungary
Facility Name
Cara Therapeutics Study Site
City
Dunaújváros
Country
Hungary
Facility Name
Cara Therapeutics Study Site
City
Kaposvár
Country
Hungary
Facility Name
Cara Therapeutics Study Site
City
Kistarcsa
Country
Hungary
Facility Name
Cara Therapeutics Study Site
City
Nyíregyháza
Country
Hungary
Facility Name
Cara Therapeutics Study Site
City
Szombathely
Country
Hungary
Facility Name
Cara Therapeutics Study Site
City
Ostrołęka
Country
Poland
Facility Name
Cara Therapeutics Study Site
City
Radom
Country
Poland
Facility Name
Cara Therapeutics Study Site
City
Sochaczew
Country
Poland

12. IPD Sharing Statement

Plan to Share IPD
No
Citations:
PubMed Identifier
36185706
Citation
Weiner DE, Vervloet MG, Walpen S, Schaufler T, Munera C, Menzaghi F, Wen W, Bhaduri S, Germain MJ; trial investigators. Safety and Effectiveness of Difelikefalin in Patients With Moderate-to-Severe Pruritus Undergoing Hemodialysis: An Open-Label, Multicenter Study. Kidney Med. 2022 Aug 24;4(10):100542. doi: 10.1016/j.xkme.2022.100542. eCollection 2022 Oct.
Results Reference
derived
PubMed Identifier
36039153
Citation
Fishbane S, Wen W, Munera C, Lin R, Bagal S, McCafferty K, Menzaghi F, Goncalves J. Safety and Tolerability of Difelikefalin for the Treatment of Moderate to Severe Pruritus in Hemodialysis Patients: Pooled Analysis From the Phase 3 Clinical Trial Program. Kidney Med. 2022 Jun 28;4(8):100513. doi: 10.1016/j.xkme.2022.100513. eCollection 2022 Aug.
Results Reference
derived

Learn more about this trial

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

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