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NCT04741477 · ClinicalTrials.gov registry record · Phase 1

The Pharmacokinetics and Pharmacodynamics of Hemp-based Topical Cannabinoid Products

A Phase 1 study, sponsored by Johns Hopkins University.

Completed
Registry status
Phase 1
Development phase
47
Enrollment target

NCT04741477: Completed Phase 1 study, sponsored by Johns Hopkins University.

NCT04741477 is a Phase 1 study that has completed, run by Johns Hopkins University. The registered enrollment target is 47 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (22% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

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The verdict

NCT04741477, a Phase 1 study, has completed, sponsored by Johns Hopkins University.

COMPLETED
Registry status
Phase 1
Development phase
47 participants
Enrollment target

Study Summary

This study will evaluate the pharmacokinetic and pharmacodynamic effects of hemp-based Cannabidiol (CBD) topical products (e.g., lotions, creams, patches) that contain low levels of delta-9-tetrahydrocannabinol (THC).

Primary Outcome

Concentration of cannabinoids will be measured in urine (unit of measurement: nanograms/mL)

Interventions

  • DRUG Placebo
  • DRUG THC
  • DRUG CBD

Trial Details

FieldValue
Enrollment Target 47 participants
Start Date 2021-07-14
Est. Completion 2022-09-16
Phase Phase 1
Johns Hopkins University

1,448 total trials

What the finished NCT04741477 record still lists

NCT04741477 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 47 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (22% lower).

The record links to 0 conditions, and to 3 interventions - of which Placebo is the first listed.

NCT04741477 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04741477 about?

NCT04741477 is a clinical study titled "The Pharmacokinetics and Pharmacodynamics of Hemp-based Topical Cannabinoid Products". This study will evaluate the pharmacokinetic and pharmacodynamic effects of hemp-based Cannabidiol (CBD) topical products (e.g., lotions, creams, patches) that contain low levels of delta-9-tetrahydrocannabinol (THC).

What is the current status of trial NCT04741477?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 47 participants. The study started on 2021-07-14. Estimated completion is 2022-09-16.

What interventions are being tested in trial NCT04741477?

The interventions under investigation include: Placebo (DRUG), THC (DRUG), CBD (DRUG).

Who is sponsoring clinical trial NCT04741477?

This trial is sponsored by Johns Hopkins University, which has 1,448 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04741477's enrollment target sits among peer trials

47 1053rd of 2000 higher than 943 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT04741477, the US trial registry maintained by the National Library of Medicine. NCT04741477 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.