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Exercise Adherence Among Older Adults With Osteoarthritis

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ClinicalTrials.gov Identifier: NCT00421681
Recruitment Status : Unknown
Verified January 2008 by National Institute on Aging (NIA).
Recruitment status was:  Active, not recruiting
First Posted : January 12, 2007
Last Update Posted : December 14, 2009
Sponsor:
Information provided by:

Study Description
Brief Summary:
The purpose of this study is to assess the comparative effects of two different ways of enhancing long-term adherence to and benefits associated with participation in the evidence-based, Fit and Strong multi-component exercise intervention for older persons with lower extremity osteoarthritis.

Condition or disease Intervention/treatment
Osteoarthritis Behavioral: Fit and Strong! Exercise Program

Detailed Description:

Osteoarthritis (OA) is the most common condition affecting older people today. It is the leading cause of disability among older people and its impact is projected to increase substantially with the aging of the U.S population from 43 million currently to 60 million by 2020.

Promising 2- and 6-month outcomes have recently been reported from a randomized trial of a multi-component exercise intervention targeted at older adults with lower extremity OA. The Fit and Strong intervention, developed and tested as part of the Midwest Roybal Center for Health Maintenance, coupled strength training and aerobic walking with health education for sustained behavior change. Improvements have been found in confidence in ability to exercise, confidence in ability to continue exercising over time, lower extremity stiffness, lower extremity pain, and 6-minute distance walk. Importantly, the average adherence rate in the people who participated in the exercise intervention at six months was twice that reported by controls.

The specific aims of this study are to use a multi-site randomized controlled clinical trial to replicate the Fit and Strong intervention and to test the comparative effectiveness of a negotiated/tailored follow-up maintenance strategy vs. a mainstreaming, facility-based maintenance strategy, both of which will be tested with and without telephone reinforcement as an enhancement.

All enrolled participants will participate in the 8-week Fit and Strong exercise program designed specifically for older adults with lower-extremity OA. Prior to the conclusion of Fit and Strong participants will be randomly assigned to one of two follow-up maintenance groups. There is no more than minimal risk associated with this program.


Study Design

Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 600 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Prevention
Official Title: Exercise Adherence Among Older Adults With Osteoarthritis
Study Start Date : October 2003
Estimated Primary Completion Date : September 2008
Estimated Study Completion Date : September 2008

Resource links provided by the National Library of Medicine

U.S. FDA Resources

Arms and Interventions

Arm Intervention/treatment
Experimental: A
Treatment Arm A will develop tailored/negotiated contracts with the exercise instructor to maintain post intervention exercise adherence at home or in the community. Half of the participants in this "negotiated maintenance" arm will be randomly assigned to receive telephone calls to reinforce adherence and half will be assigned to a no telephone calls group.
Behavioral: Fit and Strong! Exercise Program
Fit and Strong! is an 8-week (24 sessions) multi-component exercise and health education intervention, including flexibility, aerobic conditioning, strength training, and group discussion/problem solving for lifestyle change. Following participation in Fit and Strong!, all study participants are randomly assigned to one of 2 maintenance treatment follow-up groups.
Experimental: B
Treatment Arm B will be mainstreamed into an ongoing facility-based exercise program for post intervention exercise adherence. Persons in this "mainstream follow up" arm will be randomly assigned such that half will receive regular telephone reinforcement follow up and half will not.
Behavioral: Fit and Strong! Exercise Program
Fit and Strong! is an 8-week (24 sessions) multi-component exercise and health education intervention, including flexibility, aerobic conditioning, strength training, and group discussion/problem solving for lifestyle change. Following participation in Fit and Strong!, all study participants are randomly assigned to one of 2 maintenance treatment follow-up groups.


Outcome Measures

Primary Outcome Measures :
  1. Maintenance of exercise behavior measured by CHAMPS (Community Healthy Activities Model Program For Seniors) [ Time Frame: Baseline, 2 months, 6 months, 12 months, 18 months ]

Secondary Outcome Measures :
  1. Changes in lower extremity strength (timed sit-stand test) [ Time Frame: Baseline, 2 months, 6 months, 12 months, 18 months ]
  2. Aerobic capacity (6 minute distance walk) [ Time Frame: Baseline, 2 months, 6 months, 12 months, 18 months ]
  3. Pain, stiffness, physical function subscales measured by WOMAC (Western Ontario and McMaster osteoarthritis index) [ Time Frame: Baseline, 2 months, 6 months, 12 months, 18 months ]
  4. Functional ability measured by GeriAIMS (Geriatric Arthritis Impact Measurement Scale) [ Time Frame: Baseline, 2 months, 6 months, 12 months, 18 months ]

Eligibility Criteria

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Ages Eligible for Study:   60 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • 60 years of age or older
  • Presence of osteoarthritis in the lower extremities (including hip, knee, ankle, feet and lower back) with an American College of Rheumatology functional class rating of I, II, or III
  • No other contraindication from a personal physician for participation in fitness walking or low-impact aerobics and strength training
  • Lack of moderate to severe cognitive impairment shown as assessed by the Short Portable Mental Status Questionnaire

Exclusion Criteria:

  • Under 60 years of age
  • Lack of osteoarthritis in the lower extremities
  • Contraindication from a personal physician for participation in activities described above
  • Presence of moderate to severe cognitive impairment as assessed by the Short Portable Mental Status Questionnaire
  • Steroid injections in either knee or hip within previous six months
  • Knee or hip surgery within previous six months
  • Plans for total knee or hip replacement within the next year
  • Rheumatoid arthritis or other system inflammatory arthritis
  • Diabetes that is not under good control
  • Current participation in a structured aerobic exercise program
  • Participation in original trial of the Fit and Strong Program
Contacts and Locations

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00421681


Locations
United States, Illinois
Center for Research on Health and Aging
Chicago, Illinois, United States, 60608
Sponsors and Collaborators
National Institute on Aging (NIA)
Investigators
Principal Investigator: Susan Hughes, DSW Center for Research on Health and Aging , University of Illinois, Chicago
More Information

Publications:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Susan L. Hughes, DSW, Professor and Co-Director, Center for Research on Health and Aging, Institute for Health Research and Policy, University of Illinois Chicago
ClinicalTrials.gov Identifier: NCT00421681     History of Changes
Other Study ID Numbers: AG0075
5R01AG023424 ( U.S. NIH Grant/Contract )
First Posted: January 12, 2007    Key Record Dates
Last Update Posted: December 14, 2009
Last Verified: January 2008

Keywords provided by National Institute on Aging (NIA):
Aging
exercise
health behavior

Additional relevant MeSH terms:
Osteoarthritis
Arthritis
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases