Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT00742079 · ClinicalTrials.gov registry record · Phase 4

Using D-cycloserine to Enhance the Benefits of Cognitive Behavioral Therapy for Schizophrenia

A Phase 4 study, sponsored by Massachusetts General Hospital.

Completed
Registry status
Phase 4
Development phase
21
Enrollment target

NCT00742079: Completed Phase 4 study, sponsored by Massachusetts General Hospital.

NCT00742079 is a Phase 4 study that has completed, run by Massachusetts General Hospital. The registered enrollment target is 21 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (96% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist → Add completion date to calendar (.ics) →

The verdict

NCT00742079, a Phase 4 study, has completed, sponsored by Massachusetts General Hospital.

COMPLETED
Registry status
Phase 4
Development phase
21 participants
Enrollment target

Study Summary

This study will examine whether pretreatment with D-cycloserine before cognitive behavioral therapy can reduce impairments still present in people with stable cases of schizophrenia as well as determine which traits make schizophrenics most likely to respond to D-cycloserine treatment.

Primary Outcome

Number of alternative beliefs generated on the Alternative Beliefs Assessment. This assessment used nine vignettes describing social interactions: three of neutral content, three negatively-valanced, and three tailored to the patient's specific delusions. Participants were asked to generate as many explanations (alternative beliefs) as they could for each scenario, and the number of explanations produced in response to each item was recorded. Scores could range from 0 to as many explanations a p

Interventions

  • BEHAVIORAL Cognitive Behavioral Therapy
  • DRUG D-cycloserine

Trial Details

FieldValue
Enrollment Target 21 participants
Start Date 2006-09
Est. Completion 2010-12
Phase Phase 4
Massachusetts General Hospital

2,032 total trials

What the finished NCT00742079 record still lists

NCT00742079 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 21 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (96% lower).

The record links to 0 conditions, and to 2 interventions - of which Cognitive Behavioral Therapy is the first listed.

NCT00742079 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00742079 about?

NCT00742079 is a clinical study titled "Using D-cycloserine to Enhance the Benefits of Cognitive Behavioral Therapy for Schizophrenia". This study will examine whether pretreatment with D-cycloserine before cognitive behavioral therapy can reduce impairments still present in people with stable cases of schizophrenia as well as determine which traits make schizophrenics most likely to respond to D-cycloserine treatment.

What is the current status of trial NCT00742079?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 21 participants. The study started on 2006-09. Estimated completion is 2010-12.

What interventions are being tested in trial NCT00742079?

The interventions under investigation include: Cognitive Behavioral Therapy (BEHAVIORAL), D-cycloserine (DRUG).

Who is sponsoring clinical trial NCT00742079?

This trial is sponsored by Massachusetts General Hospital, which has 2,032 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00742079's enrollment target sits among peer trials

21 1742nd of 2000 higher than 248 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT02447874 · 21 participants · Phase 1

    Arginine Therapy for the Treatment of Pain in Children With Sickle Cell Disease

  • NCT03826992 · 21 participants · Phase 1

    Venetoclax Combined With Vyxeos (CPX-351) for Participants With Relapsed or Refractory Acute Leukemia

  • NCT04107077 · 21 participants · Phase 2

    Phase II Study of the Effects of Laparoscopic Hyperthermic Intraperitoneal Chemotherapy (HIPEC) in Patients With Advanced Gastric Cancer

  • NCT04158635 · 21 participants · Phase 1

    Gemcitabine, Nab-Paclitaxel, and Bosentan for the Treatment of Unresectable Pancreatic Cancer

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT00742079, the US trial registry maintained by the National Library of Medicine. NCT00742079 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.