Oral Semaglutide vs. Sitagliptin: PIONEER 3 Study
- Ms. Silpa Rani Gajavalli
- Sep 9
- 2 min read
Updated: Sep 10

Rosenstock J et al. conducted the PIONEER 3 trial to compare the effectiveness of oral Semaglutide against Sitagliptin in adult Type 2 diabetes patients who were not adequately controlled on Metformin alone or with sulfonylurea. This study robustly evaluated the impacts on HbA1c reduction and the changes in body weight from baseline (1).
Study Summary

About the Author
Ms. Silpa Rani Gajavalli is a postgraduate in pharmaceutical science (M Pharmacy). She has a wealth of academic experience and is passionate about Medical Writing. Silpa regularly posts articles on the latest advancements in medical research, pharmacological agents, clinical aspects of medicine, innovative treatments, regulatory aspects, and landmark clinical trials.
Abbreviations
T2DM: Type 2 diabetes mellitus; HbA1c: Haemoglobin A1c; MET: Metformin;
Reference
Rosenstock J, Allison D, Birkenfeld AL, Blicher TM, et al; PIONEER 3 Investigators. Effect of Additional Oral Semaglutide vs Sitagliptin on Glycated Hemoglobin in Adults With Type 2 Diabetes Uncontrolled With Metformin Alone or With Sulfonylurea: The PIONEER 3 Randomized Clinical Trial. JAMA. 2019. Apr 16;321(15):1466-1480.
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