Semaglutide
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Semaglutide: where to begin

Fact check: what did the studies show?

A study can help set expectations. It cannot tell you exactly what will happen to you. Find out who took part, what treatment they were compared with, and what other help they received.

The study included visits and advice about daily habits

The STEP 1 trial compared semaglutide with a dummy injection over 68 weeks. Weight loss averaged 14.9% in the semaglutide group, compared with 2.4% in the dummy-injection group.

  • Adults in this study did not have diabetes. They had obesity, meaning a high amount of body fat, or excess weight with a related health problem. They also received advice on eating and physical activity during regular study visits.
  • The dummy injection contained no active medicine. Researchers call it a placebo and use it to compare results with the medicine.
  • The drug's maker paid for the study. The average result does not promise the same weight change for everyone.
  • Ask what help with eating and activity would be included in your care.

Ask about life after a prescription

The STEP 1 follow-up study found that participants regained about two-thirds of their earlier weight loss during the year after treatment ended.

  • Ask how the clinician would judge whether the medicine is helping.
  • Ask what continuing care would involve, and what a later change of plan might look like.
  • Ask which findings apply to the exact product being discussed.
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