Who should not take Setmelanotide (Imcivree)?
Documented caution flags for Setmelanotide (Imcivree) include active depression or suicidal ideation and pregnancy / nursing. This is not exhaustive, and absence from this list is not a safety clearance. Anyone pregnant, nursing, or managing a serious medical condition should only consider it under a doctor's care, and safety data for Setmelanotide (Imcivree) is limited.
Documented caution flags for Setmelanotide (Imcivree)
- Active depression or suicidal ideation
- Pregnancy / nursing
Reported side effects to weigh
- Skin hyperpigmentation (most common reaction, ~60% of patients; from off-target MC1R activation, reversible on stopping)
- Injection-site reaction
- Nausea, vomiting, diarrhea
- Spontaneous penile erections (males)
References
- Setmelanotide for Obesity due to LEPR or POMC deficiency — Clément K et al., Lancet Diabetes Endocrinol, 2020
- Efficacy and safety of setmelanotide in patients with Bardet-Biedl syndrome and Alström syndrome: a phase 3 trial — Haqq AM et al., The Lancet Diabetes & Endocrinology, 2022
- Imcivree (setmelanotide) — Drugs@FDA approval record (ApplNo 213793) — FDA, Drugs@FDA
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-15.