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Life sciences · Phase 4 Trial
ClinicalTrials.gov · October 5, 2026
No summary has been generated for this record yet. What follows is drawn from its source metadata only.
Phase 4 Trial.
No findings were extractable from the material analysed.
Safety was not reported in the material analysed. Check the source before drawing any conclusion about harm.
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Registry record from ClinicalTrials.gov (NCT07859176). This is a study registration, not published results. Lead sponsor: General Committee of Teaching Hospitals and Institutes, Egypt. Recruitment status: NOT_YET_RECRUITING. Phase: PHASE4. Study type: INTERVENTIONAL. Enrollment: 100 participants (ESTIMATED). Conditions: Morbid Obesity. Interventions: DRUG: Semaglutide weekly injection; DRUG: Placebo. Primary outcome measures: Percentage change in body weight , Baseline till 18 months. Brief summary: Every course of obesity pharmacotherapy ends. Cost, supply, pregnancy plans, side effects, or the patient's own wish. In Egypt, cost alone makes discontinuation the rule, not the exception. Yet the entire evidence base describes what happens when the drug stops, and none of it tests how to stop. Abrupt withdrawal fails predictably. One year after stopping semaglutide, STEP 1 extension participants had regained two thirds of their lost weight. SURMOUNT-4 showed the same pattern after tirzepatide withdrawal, and meta-analysis confirms it across agents. After MBS specifically, stopping GLP-1 therapy is likewise followed by regain. The guidelines say: do not stop at all. The 2026 ADA and Obesity Association Standards strongly recommend continuing medication through maintenance, and the 2024 IFSO consensus agrees that when medication is needed to hold the benefit after MBS, ongoing treatment is probably necessary, while stating, at 94% agreement, that intermittent therapy and dose-reduction strategies require research. Our patients cannot follow the first recommendation. Cost decides for them. This trial is the research the second sentence asks for: the evidence for the moment when continuing is not an option. Clinicians already taper, on no evidence. A 2025 expert commentary describes 8-to-12-week dose reductions in routine practice and states plainly that the approach is anecdotal and untested (Obesity and Endocrinology 2025). Practice has run ahead of the trial. The general-population trial now exists, and we cite it rather than duplicate it. The REST trial has registered exactly this comparison, gradual 16-week dose reduction versus abrupt cessation, in non-surgical patients with obesity. No such trial exists after MBS.