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Heerspink HJL, Apperloo E, Davies M, et al. Effects of Semaglutide on Albuminuria and Kidney Function in People With Overweight or Obesity With or Without Type 2 Diabetes: Exploratory Analysis From the STEP 1, 2, and 3 Trials. Diabetes Care. 2023 Feb 17:dc221889. doi: 10.2337/dc22-1889. (Original study)
Abstract

OBJECTIVE: These post hoc analyses of the Semaglutide Treatment Effect in People with obesity (STEP) 1-3 trials (NCT03548935, NCT03552757, and NCT03611582) explored the effects of semaglutide (up to 2.4 mg) on kidney function.

RESEARCH DESIGN AND METHODS: STEP 1-3 included adults with overweight/obesity; STEP 2 patients also had type 2 diabetes. Participants received once-weekly subcutaneous semaglutide 1.0 mg (STEP 2 only), 2.4 mg, or placebo for 68 weeks, plus lifestyle intervention (STEP 1 and 2) or intensive behavioral therapy (STEP 3). Changes in urine albumin-to-creatinine ratio (UACR) and UACR status from baseline to week 68 were assessed for STEP 2. Changes in estimated glomerular filtration rate (eGFR) were assessed from pooled STEP 1-3 data.

RESULTS: In STEP 2, 1,205 (99.6% total cohort) patients had UACR data; geometric mean baseline UACR was 13.7, 12.5, and 13.2 mg/g with semaglutide 1.0 mg, 2.4 mg, and placebo, respectively. At week 68, UACR changes were -14.8% and -20.6% with semaglutide 1.0 mg and 2.4 mg, respectively, and +18.3% with placebo (between-group differences [95% CI] vs. placebo: -28.0% [-37.3, -17.3], P < 0.0001 for semaglutide 1.0 mg; -32.9% [-41.6, -23.0], P = 0.003 for semaglutide 2.4 mg). UACR status improved in greater proportions of patients with semaglutide 1.0 mg and 2.4 mg versus placebo (P = 0.0004 and P = 0.0014, respectively). In the pooled STEP 1-3 analyses, 3,379 participants had eGFR data; there was no difference between semaglutide 2.4 mg and placebo in eGFR trajectories at week 68.

CONCLUSIONS: Semaglutide improved UACR in adults with overweight/obesity and type 2 diabetes. In participants with normal kidney function, semaglutide did not have an effect on eGFR decline.

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Comments from MORE raters

Nurse rater

Great information.

Nurse rater

These findings would not be relevant to most community health nurses other than diabetic care nurses.

Physician rater

It would have been interesting to see tabulated data on eGFR before and after treatment.
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