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The Efficacy of Hemp-containing Cream Versus Placebo in the Treatment of Uremic Pruritus

T

Thammasat University Hospital

Status and phase

Completed
Phase 2
Phase 1

Conditions

Uremic Pruritus

Treatments

Drug: Hemp
Drug: Placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT06159686
074/2566

Details and patient eligibility

About

Uremic pruritus is a significant burden on hemodialysis patients, affecting approximately 46% of individuals undergoing dialysis. Various mechanisms, including inadequate dialysis, increased uremic toxins, inflammatory cytokines, parathyroid hormone, phosphorus, dry skin, mast cell histamine secretion, and nerve stimulation through μ-opioid receptors and nociceptors, contribute to uremic pruritus. Current treatments include antihistamines, gabapentin, moisturizer creams, and capsaicin creams, with limited success, as only 10% of patients find relief. Cannabinoids were also mentioned in uremic pruritus treatment but are less commonly used and there are no randomised controlled trial. Cannabinoid binding to CB1 and CB2 receptors inhibits mast cell differentiation, aggregation, and histamine release, whereas cannabinoid binding to TRP-iron receptors reduces peripheral nerve activation. Thus, cannabinoid seem to effective in relieving pruritus via various mechanisms.

This study aims to assess the effectiveness of a hemp-containing cream in comparison to a placebo for treating uremic pruritus among hemodialysis patients.

Full description

Eligible participants is randomly assigned in a 1:1 ratio to receive either a hemp-containing cream or a placebo. then, they are assessed for the severity of itching symptoms using the WI-NRS and their itch-related quality of life using the Skindex-10 score at baseline, week 2, and week 4 of the study. Additionally, adverse effects are documented. Data is collected by the research assistant and recorded in computer with locking password and also was validated with second assistant.

We planned for a sample size of 60 participants to detect differences in itchinEligible participants is randomly assigned in a 1:1 ratio to receive either a hemp-containing cream or a placebo. then, they are assessed for the severity of itching symptoms using the WI-NRS and their itch-related quality of life using the Skindex-10 score at baseline, week 2, and week 4 of the study. Additionally, adverse effects are documented. Data is collected by the research assistant and recorded in computer with locking password and also is validated with second assistant.

For statistical analysis, continuous variables are compared using an unpaired t-test or Mann-Whitney U test, as appropriate. Categorical variables are compared using a Chi-square test or Fisher's exact test. The adjusted mean difference is used Analysis of Covariance (ANCOVA) , adjusted by score at baseline.

All statistical analyses were performed using Stata v.17.0 (StataCorp, Texas).

Enrollment

60 patients

Sex

All

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Adults ≥ 18 years old, diagnosed with end-stage kidney disease
  • Undergoing thrice-weekly chronic hemodialysis for more than 90 days
  • Exhibit a WI-NRS score of 3 or higher

Exclusion criteria

  • Ahistory of hemp allergy
  • Pregnancy or breastfeeding
  • Dermatologic diseases
  • Adjustments to medications for controlling itch within the 14 days preceding the study.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

60 participants in 2 patient groups, including a placebo group

hemp group
Experimental group
Description:
They was assigned to apply the hemp-containing cream.
Treatment:
Drug: Hemp
Control group
Placebo Comparator group
Description:
They was assigned to apply the placebo cream.
Treatment:
Drug: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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