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NCT01289561 · ClinicalTrials.gov registry record · Phase 1

Combined Effects of Alcohol and Caffeine

A Phase 1 study, sponsored by Johns Hopkins University.

Completed
Registry status
Phase 1
Development phase
20
Enrollment target

NCT01289561: Completed Phase 1 study, sponsored by Johns Hopkins University.

NCT01289561 is a Phase 1 study that has completed, run by Johns Hopkins University. The registered enrollment target is 20 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (67% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

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The verdict

NCT01289561, a Phase 1 study, has completed, sponsored by Johns Hopkins University.

COMPLETED
Registry status
Phase 1
Development phase
20 participants
Enrollment target

Study Summary

The purpose of this study is to investigate the effects of caffeine on the self-administration of alcohol. The study will also examine the combined effects of alcohol and caffeine on behavioral performance, participant ratings of behavioral performance, and self-reported subjective effects.

Primary Outcome

The primary outcome measure is the total volume of beverage consumed during alcohol + caffeine sessions and alcohol + caffeine-placebo sessions.

Interventions

  • DRUG Alcohol + Caffeine Beverage
  • DRUG Alcohol + Caffeine-placebo

Trial Details

FieldValue
Enrollment Target 20 participants
Start Date 2011-01
Est. Completion 2015-01
Phase Phase 1
Johns Hopkins University

1,448 total trials

What the finished NCT01289561 record still lists

NCT01289561 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 20 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (67% lower).

The record links to 0 conditions, and to 2 interventions - of which Alcohol + Caffeine Beverage is the first listed.

NCT01289561 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01289561 about?

NCT01289561 is a clinical study titled "Combined Effects of Alcohol and Caffeine". The purpose of this study is to investigate the effects of caffeine on the self-administration of alcohol. The study will also examine the combined effects of alcohol and caffeine on behavioral performance, participant ratings of behavioral performance, and self-reported subjective effects.

What is the current status of trial NCT01289561?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 20 participants. The study started on 2011-01. Estimated completion is 2015-01.

What interventions are being tested in trial NCT01289561?

The interventions under investigation include: Alcohol + Caffeine Beverage (DRUG), Alcohol + Caffeine-placebo (DRUG).

Who is sponsoring clinical trial NCT01289561?

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 NCT01289561's enrollment target sits among peer trials

20 1629th of 2000 higher than 285 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 NCT01289561, the US trial registry maintained by the National Library of Medicine. NCT01289561 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.