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Completed Phase 2 Interventional Results available

N-acetylcysteine (NAC) for Pediatric Obsessive-Compulsive Disorder

ClinicalTrials.gov ID: NCT01172275

Public ClinicalTrials.gov record NCT01172275. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 8, 2026, 5:19 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Double-Blind, Placebo-Controlled Trial of N-acetylcysteine (NAC) for the Treatment of Pediatric Obsessive-Compulsive Disorder

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Pediatric Obsessive-Compulsive Disorder (OCD) affects 1-3% of children. The investigators currently have effective first-line interventions for pediatric OCD such as Cognitive Behavioral Therapy (CBT) and pharmacotherapy with serotonin reuptake inhibitors (SRIs). However, roughly half of children with OCD still have clinically significant OCD symptoms despite treatment with first-line pharmacological treatments and CBT interventions for OCD. Furthermore, all pharmacological treatments for OCD in children have an increased side effect burden when compared to adults. Novel treatments for children with OCD are needed. N-acetylcysteine (NAC) is a natural supplement that acts as an antioxidant and a glutamate modulating agent. NAC has been used safely for decades in doses 20-40 times higher than in this trial as an antidote for acetaminophen overdose. The only side-effect commonly seen with NAC is nausea and this side-effect is seldom seen in the doses used in this trial. NAC has recently been demonstrated to be effective in a double-blind, placebo-controlled trial in adults with trichotillomania (chronic hair pulling). Trichotillomania is an obsessive-compulsive spectrum disorder that is hypothesized to be closely related to OCD. In other trials NAC has evidence of some efficacy in treating diverse psychiatric conditions such as bipolar depression, schizophrenia and cocaine dependence. The investigators are conducting this trial to determine if NAC is effective in treating OCD.

Study identification

NCT ID
NCT01172275
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Yale University
Other
Enrollment
11 participants

Conditions and interventions

Interventions

Drug · Other

Eligibility (public fields only)

Age range
8 Years to 17 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 30, 2012
Primary completion
Feb 12, 2017
Completion
Feb 14, 2018
Last update posted
Sep 5, 2019

2012 – 2018

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Yale Child Study Center New Haven Connecticut 06520

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01172275, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Sep 5, 2019 · Synced Sep 8, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01172275 live on ClinicalTrials.gov.

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