Sarah R Hood1, Ashley W Berkeley1, Emily A Moore1. 1. was a PGY-1 Pharmacy Practice Resident at the time of the study; and are Clinical Pharmacy Specialists, all at Veteran Health Indiana in Indianapolis.
Abstract
BACKGROUND: Veterans are disproportionately impacted by weight-related morbidity: 40% of veterans are categorized as obese and an additional 38.5% are overweight. Medications are recommended as an adjunct to lifestyle and dietary changes. Guidelines recommend 7 weight management medications, including orlistat, liraglutide, phentermine, phentermine/topiramate, lorcaserin, and naltrexone/bupropion. METHODS: A single-center, retrospective chart review was conducted for patients who started weight management medications at Veteran Health Indiana in Indianapolis. The primary outcomes included total weight loss and weight loss as a percentage of baseline weight at 3, 6, 12, and > 12 months of therapy. Secondary outcomes included weight loss of 5% from baseline, rate of successful weight maintenance after initial weight loss of 5% from baseline, adverse drug reaction monitoring, and use of weight management medications across clinics at this site. RESULTS: The absolute weight difference over 12 months of weight management medication therapy was 15.8 kg. At each time point, weight loss was found to be statistically significant when compared with baseline (P < .001). Average weight change was greatest with orlistat (-25.9 kg) and naltrexone/bupropion was associated with a gain of 2.1 kg over the duration of the study. A majority of the patients analyzed lost the guideline-recommended 5 to 10% from baseline while taking weight management medication. CONCLUSIONS: Weight management medications in a veteran population produced initial weight loss consistent with previous studies. However, there is room for improvement in follow-up strategies to promote greater weight maintenance after initial weight loss. Considering the high health care costs, personal burden, and potential long-term complications associated with obesity, efforts to promote continued development of programs that support weight management and maintenance are imperative.
BACKGROUND: Veterans are disproportionately impacted by weight-related morbidity: 40% of veterans are categorized as obese and an additional 38.5% are overweight. Medications are recommended as an adjunct to lifestyle and dietary changes. Guidelines recommend 7 weight management medications, including orlistat, liraglutide, phentermine, phentermine/topiramate, lorcaserin, and naltrexone/bupropion. METHODS: A single-center, retrospective chart review was conducted for patients who started weight management medications at Veteran Health Indiana in Indianapolis. The primary outcomes included total weight loss and weight loss as a percentage of baseline weight at 3, 6, 12, and > 12 months of therapy. Secondary outcomes included weight loss of 5% from baseline, rate of successful weight maintenance after initial weight loss of 5% from baseline, adverse drug reaction monitoring, and use of weight management medications across clinics at this site. RESULTS: The absolute weight difference over 12 months of weight management medication therapy was 15.8 kg. At each time point, weight loss was found to be statistically significant when compared with baseline (P < .001). Average weight change was greatest with orlistat (-25.9 kg) and naltrexone/bupropion was associated with a gain of 2.1 kg over the duration of the study. A majority of the patients analyzed lost the guideline-recommended 5 to 10% from baseline while taking weight management medication. CONCLUSIONS: Weight management medications in a veteran population produced initial weight loss consistent with previous studies. However, there is room for improvement in follow-up strategies to promote greater weight maintenance after initial weight loss. Considering the high health care costs, personal burden, and potential long-term complications associated with obesity, efforts to promote continued development of programs that support weight management and maintenance are imperative.
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