Lifestyle Interventions for Generalized Anxiety Disorder

NCT ID: NCT01644812

Last Updated: 2013-08-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

NA

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-03-31

Brief Summary

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This two-site (Southern Methodist University (SMU) and Boston University (BU)) study aims to examine the effectiveness of exercise interventions for the treatment of generalized anxiety disorder (GAD). If effective, the use of exercise as a component of treatment for GAD would have a significant public health impact. In addition to improving GAD treatment outcome, exercise is expected to offer health benefits and promote further lifestyle changes.

The present study involves the randomization of 52 adults with GAD to either a 12-week combined supervised- home-based moderate-intensity aerobic exercise protocol (EX) or a 12-week combined supervised- home-based stretching protocol (CTRL). The investigators hypothesize that participants in the EX intervention will evidence greater improvements in anxiety symptoms and quality of life relative to individuals receiving the control intervention.

Detailed Description

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Conditions

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Aerobic Exercise Stretching

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Aerobic exercise

The exercise intervention is a 12-week program involving 150 minutes of moderate intensity exercise (65-69% of participant's age-predicted \[220-age\] maximum heart rate) each week. Participants will complete one 50-minute supervised treadmill exercise session in the laboratory and 100 minutes of exercise on their own. These exercises may include walking, jogging, biking, or other forms of aerobic exercise. The at-home exercise regimen will be individualized for each participant.

Group Type ACTIVE_COMPARATOR

Aerobic exercise

Intervention Type BEHAVIORAL

stretching

The exercise intervention is a 12-week program involving 150 minutes of stretching each week (one 50-minute stretching session in the laboratory and 100 minutes of stretching at home). Participants in the stretching condition will work with a facilitator to create a stretching regimen for 100 minutes of home stretching throughout the week. The facilitator will provide a list of potential stretches with descriptions on how to perform them.

Group Type SHAM_COMPARATOR

Stretching

Intervention Type BEHAVIORAL

Interventions

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Aerobic exercise

Intervention Type BEHAVIORAL

Stretching

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Male and female participants, ages 18-65.
* Principal diagnosis of Generalized Anxiety Disorder.
* Willing to and capable of providing informed consent, attending all study visits, and complying with the protocol.
* Classified as either being at low risk or moderate risk for cardiovascular disease according to American College of Sports Medicine (ACSM) risk stratification guidelines (see "Telephone Prescreen and Risk Stratification" section for more information).
* Sedentary as defined by ACSM guidelines as not participating in at least 30 minutes of moderate-intensity exercise on at least 3 days a week for at least 3 months.

Exclusion Criteria

* Currently suicidal or high suicide risk, current or past psychotic disorders of any type, bipolar disorder (I, II, or NOS), schizophrenia or schizoaffective disorder, anorexia, bulimia. Alcohol or drug dependence, abuse of depressants, dissociative anesthetics, hallucinogens, opioids, and cocaine within the last 6 months. Comorbid psychiatric conditions that are relative or absolute contraindications to the use of any treatment option in the protocol.
* Cognitive behavioral therapy within three months of baseline, or ongoing supportive therapy directed specifically toward the treatment of anxiety or mood disorder.
* Psychotropic medications are acceptable only if they are stabilized for at least 3 weeks prior to the baseline visit, as long they are not considered a relative or absolute contraindication to the use of any treatment option in the protocol.
* For women, currently pregnant, plans to be pregnant in the next year, or currently breastfeeding.
* Insufficient command of the English language (i.e., they cannot carry on a conversation with an interviewer in the English language or read associated text).
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Boston University

OTHER

Sponsor Role collaborator

Southern Methodist University

OTHER

Sponsor Role lead

Responsible Party

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Jasper Smits, Ph.D.

Associate Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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BU Center for Anxiety and Related Disorders, Boston University

Boston, Massachusetts, United States

Site Status

Anxiety Research and Treatment Program, SMU Department of Psychology

Dallas, Texas, United States

Site Status

Countries

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United States

Other Identifiers

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2012-001-SMIJ-N

Identifier Type: -

Identifier Source: org_study_id