How long does Teduglutide (Gattex / Revestive) take to work?
In the first week of Teduglutide (Gattex / Revestive), intestinal absorption markers begin shifting. Around week 4, parenteral nutrition requirements drop in responders. By week 8, sustained absorption improvement. Response varies between people, this is the commonly reported pattern, not a guarantee.
Week by week
- Week 1: Intestinal absorption markers begin shifting.
- Week 4: Parenteral nutrition requirements drop in responders.
- Week 8: Sustained absorption improvement.
References
- Teduglutide for the Treatment of Short Bowel Syndrome — Schwartz LK et al., NEJM, 2012
- Teduglutide reduces need for parenteral support among patients with short bowel syndrome with intestinal failure — Jeppesen PB, Pertkiewicz M, Messing B, et al. — Gastroenterology, 2012 (STEPS trial)
- GATTEX (teduglutide) for injection — FDA Prescribing Information — FDA / DailyMed (Takeda)
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 2026-06-06.