Completed

Developing a New Therapy for GAD: Acceptance-Based CBT

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What is being tested

Data Collection

Who is being recruted

Anxiety Disorders

+ Mental Disorders
Over 18 Years
See all eligibility criteria
How is the trial designed

Treatment Study

Phase 1
Interventional
Study Start: May 2002
See protocol details

Summary

Principal SponsorUniversity of Massachusetts, Boston
Last updated: January 14, 2026
Sourced from a government-validated database.Claim as a partner
Study start date: May 1, 2002Actual date on which the first participant was enrolled.

Participants in this study are recruited from intakes at the Center for Anxiety and Related Disorders at Boston University. Participants will be randomly assigned to receive either acceptance and mindfulness-based strategies plus cognitive behavioral therapy or no treatment for 16 weeks. The treatment will involve daily practice of mindfulness techniques to help draw attention to and accept various emotional states. Interviews, questionnaires, and depression and anxiety scales will be used to assess participants. Assessments will be conducted post-treatment and at 3- and 9-month follow-up visits.

Official TitleDeveloping a New Therapy for GAD: Acceptance-Based CBT 
NCT00073632
Principal SponsorUniversity of Massachusetts, Boston
Last updated: January 14, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details
50 patients to be enrolledTotal number of participants that the clinical trial aims to recruit.
Treatment Study
These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.

How participants are assigned to different groups/arms
In this clinical study, participants are placed into groups randomly, like flipping a coin. This ensures that the study is fair and unbiased, making the results more reliable. By assigning participants by chance, researchers can better compare treatments without external influences.

Other Ways to Assign Participants
Non-randomized allocation: Participants are assigned based on specific factors, such as their medical condition or a doctor's decision.
None (Single-arm trial): If the study has only one group, all participants receive the same treatment, and no allocation is needed.

How treatments are given to participants
Participants are divided into different groups, each receiving a specific treatment at the same time. This helps researchers compare how well different treatments work against each other.

Other Ways to Assign Treatments
Single-group assignment: Everyone gets the same treatment.
Cross-over assignment: Participants switch between treatments during the study.
Factorial assignment: Participants receive different combinations of treatments.
Sequential assignment: Participants receive treatments one after another in a specific order, possibly based on individual responses.
Other assignment: Treatment assignment does not follow a standard or predefined design.

How the interventions assigned to participants is kept confidential
Participants do not know which treatment they are receiving, but researchers do. This helps prevent bias from participants' expectations while still allowing researchers to monitor the study closely.

Other Ways to Mask Information
Open-label: Everyone knows which treatment is being given.
Double-blind: Neither participants nor researchers know which treatment is given.
Triple-blind: Participants, researchers, and outcome assessors do not know which treatment is given.
Quadruple-blind: Participants, researchers, outcome assessors, and care providers all do not know which treatment is given.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria
Any sexBiological sex of participants that are eligible to enroll.
Over 18 YearsRange of ages for which participants are eligible to join.
Healthy volunteers not allowedIf individuals who are healthy and do not have the condition being studied can participate.
Conditions
Pathology
Anxiety Disorders
Mental Disorders
Criteria

Inclusion Criteria: * Generalized Anxiety Disorder (GAD) * Willing to maintain medication levels and refrain from any additional psychosocial treatment during the course of the study Exclusion Criteria: * Bipolar disorder, psychotic disorder, or substance dependence

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Study Objectives
Study Objectives
Primary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.
This study has 1 location
Suspended
Center for Anxiety and Related DisordersBoston, United StatesSee the location
CompletedOne Study Center