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Adults with obesity and depression who participated in a program that addressed weight and mood saw improvement in weight loss and depressive symptoms at 12 months, results of a randomized, controlled trial of almost 350 patients show.
“To our knowledge, this study was the first and largest RTC of integrated collaborative care for coexisting obesity and depression,” wrote Jun Ma, MD, PhD, of the Institute of Health Research and Policy at the University of Illinois at Chicago, and colleagues.
Dr. Ma and colleagues enrolled 409 patients in the RAINBOW (Research Aimed at Improving Both Mood and Weight) trial between September 2014 and January 2017 from family and internal medicine departments at four medical centers in California. The RAINBOW intervention combined usual care with a weight loss treatment program used in diabetes prevention, problem-solving therapy, and prescriptions for antidepressants if indicated. About 71% of the trial participants were non-Hispanic white adults, 70% were women, and 69% had a college education.
Half the patients were randomized to receive usual care consisting of seeing personal physicians, receiving information on obesity and depression services at the clinic, and wireless activity-tracking devices. Patients were enrolled in the trial if they scored at least 10 points in the nine-item Patient Health Questionaire (PHQ-9) and had a body mass index (BMI) of 30 or higher, or a BMI of 27 or higher in Asian adults. The mean age in the cohort was 51.0 years, the mean BMI was 37.7, and the mean PHQ-9 score was 13.8.
Of the 344 patients (84.1%) who completed follow-up at 12 months, there was a decrease in mean BMI from 36.7 to 35.9 for patients who received the collaborative care intervention, compared with no change in BMI for patients who received usual care alone (between-group mean difference, −0.7; 95% confidence interval, −1.1 to −0.2; P = .01). Depressive symptoms also improved in the intervention group, with mean 20-item Depression Symptom Checklist scores decreasing from 1.5 at baseline to 1.1 at 12 months, compared with a decrease from 1.5 at baseline to 1.4 at 12 months in the usual-care group (between-group mean difference, −0.2; 95% CI, −0.4 to 0; P = .01). Overall, there were 47 adverse events or serious adverse events, with 27 events in the collaborative-care intervention group and 20 events in the usual-care group involving musculoskeletal injuries such as fracture and meniscus tear.
In addition, they cited the relative demographic homogeneity of the study sample as one of several limitations.
The study was funded in part by Palo Alto Medical Foundation Research Institute, the University of Illinois at Chicago, and an award from the National Heart, Lung, and Blood Institute. One author, Philip W. Lavori, PhD, reported receiving personal fees from Palo Alto Medical Foundation Research Institute. The other authors reported no relevant financial disclosures.
SOURCE: Ma J et al. JAMA. 2019. doi: 10.1001/jama2019.0557.
Adults with obesity and depression who participated in a program that addressed weight and mood saw improvement in weight loss and depressive symptoms at 12 months, results of a randomized, controlled trial of almost 350 patients show.
“To our knowledge, this study was the first and largest RTC of integrated collaborative care for coexisting obesity and depression,” wrote Jun Ma, MD, PhD, of the Institute of Health Research and Policy at the University of Illinois at Chicago, and colleagues.
Dr. Ma and colleagues enrolled 409 patients in the RAINBOW (Research Aimed at Improving Both Mood and Weight) trial between September 2014 and January 2017 from family and internal medicine departments at four medical centers in California. The RAINBOW intervention combined usual care with a weight loss treatment program used in diabetes prevention, problem-solving therapy, and prescriptions for antidepressants if indicated. About 71% of the trial participants were non-Hispanic white adults, 70% were women, and 69% had a college education.
Half the patients were randomized to receive usual care consisting of seeing personal physicians, receiving information on obesity and depression services at the clinic, and wireless activity-tracking devices. Patients were enrolled in the trial if they scored at least 10 points in the nine-item Patient Health Questionaire (PHQ-9) and had a body mass index (BMI) of 30 or higher, or a BMI of 27 or higher in Asian adults. The mean age in the cohort was 51.0 years, the mean BMI was 37.7, and the mean PHQ-9 score was 13.8.
Of the 344 patients (84.1%) who completed follow-up at 12 months, there was a decrease in mean BMI from 36.7 to 35.9 for patients who received the collaborative care intervention, compared with no change in BMI for patients who received usual care alone (between-group mean difference, −0.7; 95% confidence interval, −1.1 to −0.2; P = .01). Depressive symptoms also improved in the intervention group, with mean 20-item Depression Symptom Checklist scores decreasing from 1.5 at baseline to 1.1 at 12 months, compared with a decrease from 1.5 at baseline to 1.4 at 12 months in the usual-care group (between-group mean difference, −0.2; 95% CI, −0.4 to 0; P = .01). Overall, there were 47 adverse events or serious adverse events, with 27 events in the collaborative-care intervention group and 20 events in the usual-care group involving musculoskeletal injuries such as fracture and meniscus tear.
In addition, they cited the relative demographic homogeneity of the study sample as one of several limitations.
The study was funded in part by Palo Alto Medical Foundation Research Institute, the University of Illinois at Chicago, and an award from the National Heart, Lung, and Blood Institute. One author, Philip W. Lavori, PhD, reported receiving personal fees from Palo Alto Medical Foundation Research Institute. The other authors reported no relevant financial disclosures.
SOURCE: Ma J et al. JAMA. 2019. doi: 10.1001/jama2019.0557.
Adults with obesity and depression who participated in a program that addressed weight and mood saw improvement in weight loss and depressive symptoms at 12 months, results of a randomized, controlled trial of almost 350 patients show.
“To our knowledge, this study was the first and largest RTC of integrated collaborative care for coexisting obesity and depression,” wrote Jun Ma, MD, PhD, of the Institute of Health Research and Policy at the University of Illinois at Chicago, and colleagues.
Dr. Ma and colleagues enrolled 409 patients in the RAINBOW (Research Aimed at Improving Both Mood and Weight) trial between September 2014 and January 2017 from family and internal medicine departments at four medical centers in California. The RAINBOW intervention combined usual care with a weight loss treatment program used in diabetes prevention, problem-solving therapy, and prescriptions for antidepressants if indicated. About 71% of the trial participants were non-Hispanic white adults, 70% were women, and 69% had a college education.
Half the patients were randomized to receive usual care consisting of seeing personal physicians, receiving information on obesity and depression services at the clinic, and wireless activity-tracking devices. Patients were enrolled in the trial if they scored at least 10 points in the nine-item Patient Health Questionaire (PHQ-9) and had a body mass index (BMI) of 30 or higher, or a BMI of 27 or higher in Asian adults. The mean age in the cohort was 51.0 years, the mean BMI was 37.7, and the mean PHQ-9 score was 13.8.
Of the 344 patients (84.1%) who completed follow-up at 12 months, there was a decrease in mean BMI from 36.7 to 35.9 for patients who received the collaborative care intervention, compared with no change in BMI for patients who received usual care alone (between-group mean difference, −0.7; 95% confidence interval, −1.1 to −0.2; P = .01). Depressive symptoms also improved in the intervention group, with mean 20-item Depression Symptom Checklist scores decreasing from 1.5 at baseline to 1.1 at 12 months, compared with a decrease from 1.5 at baseline to 1.4 at 12 months in the usual-care group (between-group mean difference, −0.2; 95% CI, −0.4 to 0; P = .01). Overall, there were 47 adverse events or serious adverse events, with 27 events in the collaborative-care intervention group and 20 events in the usual-care group involving musculoskeletal injuries such as fracture and meniscus tear.
In addition, they cited the relative demographic homogeneity of the study sample as one of several limitations.
The study was funded in part by Palo Alto Medical Foundation Research Institute, the University of Illinois at Chicago, and an award from the National Heart, Lung, and Blood Institute. One author, Philip W. Lavori, PhD, reported receiving personal fees from Palo Alto Medical Foundation Research Institute. The other authors reported no relevant financial disclosures.
SOURCE: Ma J et al. JAMA. 2019. doi: 10.1001/jama2019.0557.
FROM JAMA