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SDR 94-001 – HSR Study

SDR 94-001
Costs, Quality of Life and Functional Outcomes in Veterans Treated for Multiple Sclerosis with Beta-Interferon l-B (Betaseron)
Joseph B. Guarnaccia, MD
VA Connecticut Healthcare System West Haven Campus, West Haven, CT
West Haven, CT
Robert Baumhefner MD
VA Greater Los Angeles Healthcare System, West Los Angeles, CA
West Los Angeles, CA
Funding Period: July 1996 - June 2000
The treatment of multiple sclerosis was evolving in light of specific drug therapies to treat the disease, refinements and acceptance of imaging with MRI to diagnose and monitor the disease process, and progress in understanding the pathogenesis of the inflammatory demyelinating process. The result was to raise new issues in the treatment of the disease, which are then being addressed by studies, including when to initiate treatment and the treatment of partial responders to existing therapies. Paralleling strides in treatment, and of particular importance to the Veterans Administration, was the effectiveness of such therapies, both in terms of cost to the VA Health Care System and quality of life of veterans with multiple sclerosis. This study addressed these issues.

To consider how then currently used drug therapies for MS in veterans, e.g., Interferon beta-1b, interferon beta-1a and glatiramer acetate impact health related quality of life (HRQoL), physical function and disability and use of health care resources within the VA. Comparisons with other groups of veterans with specific chronic medical conditions will be made in order to develop a model of health care utilization based on indices derived from disability and impairment evaluations and HRQoL instruments.

One hundred and twenty four veterans with a clinically definite multiple sclerosis at more than 30 VAMCs participated in this observational, prospective study. Prior to starting interferon beta-1b [IFNB-1b: Betaseron (tm)], interferon beta-1a [IFNB-1a: Avonex (tm)] or glatiramer acetate [Copaxone (tm)] baseline assessments were obtained: disability and impairment using the Kurtzke Expanded Disability Status Scale (EDSS) and Functional Scales (FS), and health related quality of life (HRQoL) using a veterans-modified version of the Short Quality of Life scale (SF-36V). Follow-up evaluations were performed at three months and every six months thereafter for three years. Veterans were monitored in terms of changes in their condition, side effects from drugs, and changes in therapies. Health utilization data obtained includes clinic stops, inpatient hospitalizations, cost of medications and supplies, training, referrals for prosthetics, rehabilitative therapies and long term care.

In the first phase of our study, baseline data showed that patient self assessments of HRQoL showed significant agreement with health care provider assessments. Furthermore, patient self-assessments reveal substantial decrease in certain health related functions that were not measured by provider-based assessments. The MS veterans group when compared with other disease subgroups of the Veterans Health Study reported areas in which health functioning was significantly worse and other areas which were significantly better.

Our study demonstrated the utility of subject-reported HRQoL, using the SF-36V, in establishing the effectiveness of drug therapies for MS in veterans. Health care decision-makers could find our observations concerning patient and provider based health care assessments useful in predicting health care utilization for this patient population.

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None at this time.

DRA: none
DRE: Treatment - Observational
Keywords: Chronic disease (other & unspecified)
MeSH Terms: none

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