Skip to content

Study · Randomized controlled trial · n = 1,306 · 2022

14 results

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.

Fishbane S, Wen W, Munera C, Lin R, Bagal S, McCafferty K, Menzaghi F, Goncalves J

Kidney medicine28 Jun 2022Cited by 38 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: CC BY-NC-ND. Results still quote short attributed sentences.

Results from this study14

14 results from studies that gave the peptide. 14 results from people.

  1. 01HumanRandomized controlled trialSafety outcome

    In hemodialysis patients, diarrhea occurred in 9.0% with difelikefalin versus 5.7% with placebo.

    In plain wordsIn hemodialysis patients, diarrhea occurred in 9.0% with difelikefalin versus 5.7% with placebo.

    Outcome
    IncreaseDiarrhea
    Study

    n = 848

    Comparator
    Placebo
    Outcome group
    Gastrointestinal adverse events · Gastrointestinal
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Measurements

    Incidence of treatment-emergent diarrhea
    9%
    difelikefalin
    Incidence of treatment-emergent diarrhea
    5.7%
    placebo

    Source sentences

    Summary
    diarrhea (9.0% and 5.7%, respectively)
    4 context sentences
    Summary · context
    occurring in ≥2% of participants receiving difelikefalin and with a ≥1% higher incidence than placebo
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  2. 02HumanRandomized controlled trialSafety outcome

    In hemodialysis patients, dizziness occurred in 6.8% with difelikefalin versus 3.8% with placebo.

    In plain wordsIn hemodialysis patients, dizziness occurred in 6.8% with difelikefalin versus 3.8% with placebo.

    Outcome
    IncreaseDizziness
    Study

    n = 848

    Comparator
    Placebo
    Outcome group
    Adverse events · Nervous system and cognition
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Measurements

    Incidence of treatment-emergent dizziness
    6.8%
    difelikefalin
    Incidence of treatment-emergent dizziness
    3.8%
    placebo

    Source sentences

    Summary
    dizziness (6.8% and 3.8%, respectively)
    4 context sentences
    Summary · context
    occurring in ≥2% of participants receiving difelikefalin and with a ≥1% higher incidence than placebo
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  3. 03HumanRandomized controlled trialSafety outcome

    In hemodialysis patients, nausea occurred in 6.6% with difelikefalin versus 4.5% with placebo.

    In plain wordsIn hemodialysis patients, nausea occurred in 6.6% with difelikefalin versus 4.5% with placebo.

    Outcome
    IncreaseNausea
    Study

    n = 848

    Comparator
    Placebo
    Outcome group
    Gastrointestinal adverse events · Gastrointestinal
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Measurements

    Incidence of treatment-emergent nausea
    6.6%
    difelikefalin
    Incidence of treatment-emergent nausea
    4.5%
    placebo

    Source sentences

    Summary
    nausea (6.6% and 4.5%, respectively)
    4 context sentences
    Summary · context
    occurring in ≥2% of participants receiving difelikefalin and with a ≥1% higher incidence than placebo
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  4. 04HumanRandomized controlled trialSafety outcome

    In hemodialysis patients, gait disturbances including falls occurred in 6.6% with difelikefalin versus 5.4% with placebo.

    In plain wordsIn hemodialysis patients, gait disturbances including falls occurred in 6.6% with difelikefalin versus 5.4% with placebo.

    Outcome
    IncreaseGait disturbances including falls
    Study

    n = 848

    Comparator
    Placebo
    Outcome group
    Adverse events · Nervous system and cognition
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Measurements

    Incidence of treatment-emergent gait disturbances, including falls
    6.6%
    difelikefalin
    Incidence of treatment-emergent gait disturbances, including falls
    5.4%
    placebo

    Source sentences

    Summary
    gait disturbances, including falls (6.6% and 5.4%, respectively)
    4 context sentences
    Summary · context
    occurring in ≥2% of participants receiving difelikefalin and with a ≥1% higher incidence than placebo
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  5. 05HumanRandomized controlled trialSafety outcome

    In hemodialysis patients, hyperkalemia occurred in 4.7% with difelikefalin versus 3.5% with placebo.

    In plain wordsIn hemodialysis patients, high potassium occurred in 4.7% with difelikefalin versus 3.5% with placebo.

    Outcome
    IncreaseHyperkalemia
    Study

    n = 848

    Comparator
    Placebo
    Outcome group
    Adverse events · Kidney and urinary
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Measurements

    Incidence of treatment-emergent hyperkalemia
    4.7%
    difelikefalin
    Incidence of treatment-emergent hyperkalemia
    3.5%
    placebo

    Source sentences

    Summary
    hyperkalemia (4.7% and 3.5%, respectively)
    4 context sentences
    Summary · context
    occurring in ≥2% of participants receiving difelikefalin and with a ≥1% higher incidence than placebo
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  6. 06HumanRandomized controlled trialSafety outcome

    In hemodialysis patients, headache occurred in 4.5% with difelikefalin versus 2.6% with placebo.

    In plain wordsIn hemodialysis patients, headache occurred in 4.5% with difelikefalin versus 2.6% with placebo.

    Outcome
    IncreaseHeadache
    Study

    n = 848

    Comparator
    Placebo
    Outcome group
    Adverse events · Nervous system and cognition
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Measurements

    Incidence of treatment-emergent headache
    4.5%
    difelikefalin
    Incidence of treatment-emergent headache
    2.6%
    placebo

    Source sentences

    Summary
    headache (4.5% and 2.6%, respectively)
    4 context sentences
    Summary · context
    occurring in ≥2% of participants receiving difelikefalin and with a ≥1% higher incidence than placebo
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  7. 07HumanRandomized controlled trialSafety outcome

    In hemodialysis patients, somnolence occurred in 4.2% with difelikefalin versus 2.4% with placebo.

    In plain wordsIn hemodialysis patients, sleepiness occurred in 4.2% with difelikefalin versus 2.4% with placebo.

    Outcome
    IncreaseSomnolence
    Study

    n = 848

    Comparator
    Placebo
    Outcome group
    Adverse events · Nervous system and cognition
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Measurements

    Incidence of treatment-emergent somnolence
    4.2%
    difelikefalin
    Incidence of treatment-emergent somnolence
    2.4%
    placebo

    Source sentences

    Summary
    somnolence (4.2% and 2.4%, respectively)
    4 context sentences
    Summary · context
    occurring in ≥2% of participants receiving difelikefalin and with a ≥1% higher incidence than placebo
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  8. 08HumanRandomized controlled trialSafety outcome

    In hemodialysis patients, mental status changes occurred in 3.3% with difelikefalin versus 1.4% with placebo.

    In plain wordsIn hemodialysis patients, mental status changes occurred in 3.3% with difelikefalin versus 1.4% with placebo.

    Outcome
    IncreaseMental status changes
    Study

    n = 848

    Comparator
    Placebo
    Outcome group
    Adverse events · Nervous system and cognition
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Measurements

    Incidence of treatment-emergent mental status changes
    3.3%
    difelikefalin
    Incidence of treatment-emergent mental status changes
    1.4%
    placebo

    Source sentences

    Summary
    mental status changes (3.3% and 1.4%, respectively).
    4 context sentences
    Summary · context
    occurring in ≥2% of participants receiving difelikefalin and with a ≥1% higher incidence than placebo
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  9. 09HumanRandomized controlled trialSafety outcome

    In hemodialysis patients, 3 difelikefalin recipients (0.7%) and 5 placebo recipients (1.2%) died during the study.

    In plain wordsIn hemodialysis patients, deaths occurred in 0.7% with difelikefalin versus 1.2% with placebo.

    Outcome
    DecreaseDeaths
    Study

    n = 848

    Comparator
    Placebo
    Outcome group
    Mortality · Whole body
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Measurements

    Deaths
    3 participants
    difelikefalin group
    Deaths
    0.7%
    difelikefalin group
    Deaths
    5 participants
    placebo group
    Deaths
    1.2%
    placebo group

    Source sentences

    Summary
    Three participants (0.7%) in the difelikefalin group and 5 participants (1.2%) in the placebo group died during the study.
    3 context sentences
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  10. 10HumanNon-randomized trialSafety outcome

    In hemodialysis patients, treatment-emergent adverse event rates did not increase with long-term difelikefalin exposure.

    In plain wordsIn hemodialysis patients, adverse event rates did not increase with longer difelikefalin exposure.

    Outcome
    No significant changeLong-term treatment-emergent adverse event rates
    Study

    n = 1,306

    Comparator
    Shorter exposure
    Outcome group
    Adverse events · Whole body
    Studied dose
    0.5 mcg/kg · intravenous · up to 64 weeksAs given in this study (human).

    Source sentences

    Summary
    Incidence rates of TEAEs, serious TEAEs, and discontinuations because of TEAEs did not increase with long-term exposure.
    3 context sentences
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  11. 11HumanNon-randomized trialSafety outcome

    In hemodialysis patients, serious treatment-emergent adverse event rates did not increase with long-term difelikefalin exposure.

    In plain wordsIn hemodialysis patients, serious adverse event rates did not increase with longer difelikefalin exposure.

    Outcome
    No significant changeLong-term serious treatment-emergent adverse event rates
    Study

    n = 1,306

    Comparator
    Shorter exposure
    Outcome group
    Adverse events · Whole body
    Studied dose
    0.5 mcg/kg · intravenous · up to 64 weeksAs given in this study (human).

    Source sentences

    Summary
    Incidence rates of TEAEs, serious TEAEs, and discontinuations because of TEAEs did not increase with long-term exposure.
    3 context sentences
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  12. 12HumanNon-randomized trialSafety outcome

    In hemodialysis patients, discontinuation rates because of treatment-emergent adverse events did not increase with long-term difelikefalin exposure.

    In plain wordsIn hemodialysis patients, discontinuation rates from adverse events did not increase with longer difelikefalin exposure.

    Outcome
    No significant changeLong-term discontinuation rates because of adverse events
    Study

    n = 1,306

    Comparator
    Shorter exposure
    Outcome group
    Adverse events · Whole body
    Studied dose
    0.5 mcg/kg · intravenous · up to 64 weeksAs given in this study (human).

    Source sentences

    Summary
    Incidence rates of TEAEs, serious TEAEs, and discontinuations because of TEAEs did not increase with long-term exposure.
    3 context sentences
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  13. 13HumanNon-randomized trialSafety outcome

    In hemodialysis patients, the common difelikefalin adverse events were mostly mild or moderate.

    In plain wordsIn hemodialysis patients, common adverse events with difelikefalin were mostly mild or moderate.

    Outcome
    Not applicableAdverse event severity
    Study

    n = 424

    Outcome group
    Adverse events · Whole body
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Source sentences

    Summary
    These were mostly mild or moderate, with few leading to discontinuation.
    3 context sentences
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.
  14. 14HumanNon-randomized trialSafety outcome

    In hemodialysis patients, few common difelikefalin adverse events led to discontinuation.

    In plain wordsIn hemodialysis patients, few common adverse events with difelikefalin led to treatment discontinuation.

    Outcome
    Direction not reportedDiscontinuation from common adverse events
    Study

    n = 424

    Outcome group
    Adverse events · Whole body
    Studied dose
    0.5 mcg/kg · intravenousAs given in this study (human).

    Source sentences

    Summary
    These were mostly mild or moderate, with few leading to discontinuation.
    3 context sentences
    Summary · context
    KALM-1 and KALM-2 were randomized, double-blind, placebo-controlled, pivotal phase 3 studies; CLIN3101 (52 weeks) and CLIN3105 (12 weeks) were open-label studies.
    Summary · context
    Adults with moderate to severe CKD-aP treated by hemodialysis in North America, Europe, and the Asia-Pacific region.
    Summary · context
    At least 1 intravenous placebo or difelikefalin dose of 0.5 mcg/kg for up to 64 weeks.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Registered trials4

Trials this study reports on, or that list this study as a reference. Registry data from ClinicalTrials.gov.

4 trials · 4 completed · 4 with posted results · source ClinicalTrials.gov (opens in a new tab)

CompletedPhase 3Results postedNCT03998163

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

Cara Therapeutics, Inc.n = 2226 May 2019 to 6 Mar 2020

Uremic Pruritus

Trial pageClinicalTrials.govUpdated 15 Oct 2021
CompletedPhase 3Results postedNCT03636269

CR845-CLIN3103: A Global Study to Evaluate the Safety and Efficacy of CR845 in Hemodialysis Patients With Moderate-to-Severe Pruritus

Cara Therapeutics, Inc.n = 47317 Jul 2018 to 30 Mar 2020

Uremic Pruritus

Trial pageClinicalTrials.govUpdated 26 Apr 2022
CompletedPhase 3Results postedNCT03422653

A Study to Evaluate the Safety and Efficacy of CR845 in Hemodialysis Patients With Moderate-to-Severe Pruritus (KALM-1)

Cara Therapeutics, Inc.n = 37820 Feb 2018 to 26 Mar 2020

Uremic Pruritus

Trial pageClinicalTrials.govUpdated 26 Apr 2022
CompletedPhase 3Results postedNCT03281538

Extension Study to Evaluate IV CR845 in Hemodialysis Patients With Moderate-to-Severe Pruritus

Cara Therapeutics, Inc.n = 28814 Aug 2017 to 11 Feb 2020

Uremic Pruritus

Trial pageClinicalTrials.govUpdated 14 Oct 2021

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    28 Oct 2026, 02:03 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:35 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.