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NCT04204772 · ClinicalTrials.gov registry record · Early Phase 1

A Pilot Feasibility Study of Activated Charcoal in Healthy Volunteers

A Early Phase 1 study, sponsored by Masonic Cancer Center, University of Minnesota.

Completed
Registry status
Early Phase 1
Development phase
12
Enrollment target

NCT04204772: Completed Early Phase 1 study, sponsored by Masonic Cancer Center, University of Minnesota.

NCT04204772 is a Early Phase 1 study that has completed, run by Masonic Cancer Center, University of Minnesota. The registered enrollment target is 12 participants, below the 53-participant average among 2,764 other Early Phase 1 trials with a reported enrollment target (77% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04204772, a Early Phase 1 study, has completed, sponsored by Masonic Cancer Center, University of Minnesota.

COMPLETED
Registry status
Early Phase 1
Development phase
12 participants
Enrollment target

Study Summary

This is a pilot study designed to test feasibility, tolerability, and safety of medical grade oral Activated Charcoal (AC) in 12 healthy volunteers. To determine the two most palatable and tolerable AC combinations. There will be a total of 4 combinations (2 AC doses and 2 solutions) in stage 1. Each participant will drink an assigned combination every day for 3 consecutive days (Monday, Tuesday, Wednesday, "M/T/W") and switch to a different assigned combination M/T/W the following week. AC solution assignments will be defined before the study using a balanced incomplete block design. Each subject will rate their experience using a 5-point scale every day for the 12 days they are on study.

Primary Outcome

Each healthy volunteer will rate their experience using a 5-point scale (1=terrible, 2=bad, 3=okay, 4=good, 5=great) every day.

Interventions

  • BIOLOGICAL Activated charcoal and Tap Water
  • BIOLOGICAL Activated Charcoal and Apple Juice

Trial Details

FieldValue
Enrollment Target 12 participants
Start Date 2020-01-22
Est. Completion 2021-03-31
Phase Early Phase 1

What the finished NCT04204772 record still lists

NCT04204772 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 12 participants, a relatively small participant target, below the 53-participant average among 2,764 other Early Phase 1 trials with a reported enrollment target (77% lower).

The record links to 0 conditions, and to 2 interventions - of which Activated charcoal and Tap Water is the first listed.

NCT04204772 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04204772 about?

NCT04204772 is a clinical study titled "A Pilot Feasibility Study of Activated Charcoal in Healthy Volunteers". This is a pilot study designed to test feasibility, tolerability, and safety of medical grade oral Activated Charcoal (AC) in 12 healthy volunteers. To determine the two most palatable and tolerable AC combinations. There will be a total of 4 combinations (2 AC doses and 2 solutions) in stage 1. Eac...

What is the current status of trial NCT04204772?

This trial is currently completed. It is a Early Phase 1 study. The enrollment target is 12 participants. The study started on 2020-01-22. Estimated completion is 2021-03-31.

What interventions are being tested in trial NCT04204772?

The interventions under investigation include: Activated charcoal and Tap Water (BIOLOGICAL), Activated Charcoal and Apple Juice (BIOLOGICAL).

Who is sponsoring clinical trial NCT04204772?

This trial is sponsored by Masonic Cancer Center, University of Minnesota, which has 249 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04204772's enrollment target sits among peer trials

12 1530th of 2000 higher than 401 of 2,000 other Early Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Early 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 NCT04204772, the US trial registry maintained by the National Library of Medicine. NCT04204772 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.