Hormonal
Gastrointestinal adverse events (nausea, vomiting, diarrhea) associated with once-weekly semaglutide 2.4 mg are transient, mild-to-moderate, and contribute negligibly (<1 percentage point) to the total weight loss achieved.
If you are prescribed once-weekly semaglutide 2.4 mg, expect gastrointestinal side effects like nausea or diarrhea, especially when starting or increasing the dose. These symptoms are typically mild, temporary, and resolve on their own. Crucially, do not assume these side effects are necessary for the drug to work; the medication causes weight loss primarily by regulating appetite and satiety, not by making you sick. Most patients tolerate the medication well enough to stay on the full dose.
Consistent with this observation, mediation analysis found that GI AEs contributed little to semaglutide-induced WL: of the additional 7.6%-14.4% WL with semaglutide versus placebo, <1 percentage point was mediated by GI AEs.
Why this rating
Data is pooled from three large, randomized, placebo-controlled phase III trials (STEP 1-3) with over 3,000 participants.
Source
Gastrointestinal tolerability of once‐weekly semaglutide 2.4 mg in adults with overweight or obesity, and the relationship between gastrointestinal adverse events and weight loss
Sean Wharton et al. · Diabetes Obesity and Metabolism · 2021
DOI 10.1111/dom.14551
Related findings · Hormonal
- Initial treatment for type 2 diabetes should be a combination of metformin and either an SGLT-2 inhibitor or a GLP-1 receptor agonist to achieve cardiorenal protection, rather than monotherapy or older agents like sulfonylureas.Strong
- For patients with specific monogenic obesity syndromes (leptin deficiency, POMC/PCSK1/LEPR mutations), targeted pharmacotherapy (recombinant leptin or setmelanotide) is highly effective and should be prioritized, unlike in polygenic obesity.Strong
- Continued weekly administration of 2.4 mg subcutaneous semaglutide prevents weight regain and promotes further weight loss in adults with overweight or obesity, whereas switching to placebo results in significant weight regain.Strong
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