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NCT03819231 · ClinicalTrials.gov registry record · Phase 2

Mindfulness Training Plus Oxytocin Effects on Smoking Behavior

A Phase 2 study, sponsored by University of Southern California.

Terminated
Registry status
Phase 2
Development phase
20
Enrollment target

NCT03819231: Clinical Trial Phase 2 study, sponsored by University of Southern California.

NCT03819231 is a Phase 2 study that was terminated before completion, run by University of Southern California. The registered enrollment target is 20 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (85% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03819231, a Phase 2 study, was terminated before completion, sponsored by University of Southern California.

TERMINATED
Registry status
Phase 2
Development phase
20 participants
Enrollment target

Study Summary

The purpose of this study is to examine the effects of mindfulness training and a drug called oxytocin on smoking.

Primary Outcome

This task measures ability to resist the temptation to initiate smoking under conditions in which it is advantageous to remain abstinent. The "delay score" is the number of minutes before participants begin smoking (0-50 min).

Interventions

  • DRUG Oxytocin
  • BEHAVIORAL Mindfulness
  • DRUG Saline Solution
  • BEHAVIORAL Sham mindfulness

Trial Details

FieldValue
Enrollment Target 20 participants
Start Date 2018-10-10
Est. Completion 2023-12-31
Phase Phase 2
University of Southern California

617 total trials

Why NCT03819231 stopped before completion

NCT03819231 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 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (85% lower).

The record links to 0 conditions, and to 4 interventions - of which Oxytocin is the first listed.

NCT03819231 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03819231 about?

NCT03819231 is a clinical study titled "Mindfulness Training Plus Oxytocin Effects on Smoking Behavior". The purpose of this study is to examine the effects of mindfulness training and a drug called oxytocin on smoking.

What is the current status of trial NCT03819231?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 20 participants. The study started on 2018-10-10. Estimated completion is 2023-12-31.

What interventions are being tested in trial NCT03819231?

The interventions under investigation include: Oxytocin (DRUG), Mindfulness (BEHAVIORAL), Saline Solution (DRUG), Sham mindfulness (BEHAVIORAL).

Who is sponsoring clinical trial NCT03819231?

This trial is sponsored by University of Southern California, which has 617 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03819231's enrollment target sits among peer trials

20 1805th of 2000 higher than 107 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 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 NCT03819231, the US trial registry maintained by the National Library of Medicine. NCT03819231 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.