Do ACE inhibitors improve the response to exercise training in functionally impaired older adults? A randomized controlled trial

Deepa Sumukadas (Lead / Corresponding author), Margaret Band, Suzanne Miller, Vera Cvoro, Miles Witham, Allan Struthers, Alex McConnachie, Suzanne M. Lloyd, Marion McMurdo

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    Background. Loss of muscle mass and strength with ageing is a major cause for falls, disability, and morbidity in older people. Previous studies have found that angiotensin-converting enzyme inhibitors (ACEi) may improve physical function in older people. It is unclear whether ACEi provide additional benefit when added to a standard exercise training program. We examined the effects of ACEi therapy on physical function in older people undergoing exercise training. Methods. Community-dwelling people aged ≥65 years with functional impairment were recruited through general (family) practices. All participants received progressive exercise training. Participants were randomized to receive either 4 mg perindopril or matching placebo daily for 20 weeks. The primary outcome was between-group change in 6-minute walk distance from baseline to 20 weeks. Secondary outcomes included changes in Short Physical Performance Battery, handgrip and quadriceps strength, self-reported quality of life using the EQ-5D, and functional impairment measured using the Functional Limitations Profile.
    Results. A total of 170 participants (n = 86 perindopril, n = 84 placebo) were randomized. Mean age was 75.7 (standard deviation [SD] 6.8) years. Baseline 6-minute walk distance was 306 m (SD 99). Both groups increased their walk distance (by 29.6 m perindopril, 36.4 m placebo group) at 20 weeks, but there was no statistically significant treatment effect between groups (-8.6m [95% confidence interval:-30.1, 12.9], p =.43). No statistically significant treatment effects were observed between groups for the secondary outcomes. Adverse events leading to withdrawal were few (n = 0 perindopril, n = 4 placebo)
     Interpretation. ACE inhibitors did not enhance the effect of exercise training on physical function in functionally impaired older people.   Author.
    Original languageEnglish
    Pages (from-to)736-743
    Number of pages8
    JournalThe Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
    Issue number6
    Publication statusPublished - Jun 2014


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