Overview
Updated 14 Jul 2026
Gregory S. Sayuk, MD, is Professor of Medicine and Psychiatry at Washington University in St. Louis, Division of Gastroenterology (Department of Medicine), joint appointment in Department of Psychiatry. The public record shows 270 publications with 4,021 citations (h-index 37), centered on IBS / Functional GI. It also documents an investigator role on 1 registered clinical trials, industry payments reported by 11 companies, 1 NIH-funded awards (2010–2014).
- Most recent indexed publication: 2023 · Alimentary pharmacology & therapeutics
- Top research focus: IBS / Functional GI
- 1 registered trials on ClinicalTrials.gov
- Open Payments reporting from 11 companies
Generated from the cited public record · current as of 14 Jul 2026. Every fact links its source below.
Indications focusfrom trials led + research topics
Research focusOpenAlex concept fingerprint
Drugs & moleculesacross trials, industry payments and publications
Works withtrial sponsors and companies reporting payments
Scholarshipindexed output and impact (OpenAlex)
View publications ↓Distinct works indexed by OpenAlex, matched via ORCID; 11 in PubMed.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industrytrials, payments and federal funding
Clinical trials
Updated 14 Jul 2026
Listed as an investigator on 1 registered study on ClinicalTrials.gov. The most recent:
- Irritable Bowel Syndrome (IBS) Functional Magnetic Resonance Imaging (fMRI) With Desipramine
Sponsor: Washington University School of Medicine
InvestigatorTerminatedNCT00880594
Industry payments
Updated 14 Jul 2026
11 companies reported payments to CMS in program years 2021–2025. These are public disclosures, not judgments. The latest:
- GENZYME CORPORATIONProgram year202556 payments$108,753openpaymentsdata.cms.gov ↗
- Regeneron Healthcare Solutions, Inc.Program year202559 payments$85,260openpaymentsdata.cms.gov ↗
- Ardelyx, Inc.Program year202533 payments$37,693openpaymentsdata.cms.gov ↗
NIH funding
Updated 14 Jul 2026
1 NIH research award on record, funded 2010–2014 per NIH RePORTER. The latest:
- Influence of Somatization on Central Pain Responses in Irritable Bowel Syndrome
Washington University
FY2014$156,125K23DK084113 - Influence of Somatization on Central Pain Responses in Irritable Bowel Syndrome
Washington University
FY2013$166,758K23DK084113 - Influence of Somatization on Central Pain Responses in Irritable Bowel Syndrome
Washington University
FY2012$167,429K23DK084113
Publications
Updated 14 Jul 2026
Their five most recent publications, matched to their ORCID record and linked to PubMed.
- Editorial: Functional dyspepsia in pregnancy-Distinct approaches to a special population.
Alimentary pharmacology & therapeutics
2023 - Editorial: buspirone for gastroparesis-an intriguing option for a challenging condition.
Alimentary pharmacology & therapeutics
2023 - Increased Risk of Advanced Colonic Adenomas and Timing of Surveillance Colonoscopy Following Solid Organ Transplantation.
Digestive diseases and sciences
2022 - Editorial: understanding IBS pathophysiology through "converging channels" of research.
Alimentary pharmacology & therapeutics
2021 - The alternative serotonin transporter promoter P2 impacts gene function in females with irritable bowel syndrome.
Journal of cellular and molecular medicine
2021
Contact
An office address from a public listing. This research profile has no federal registry record to draw from.
Office address
660 S. Euclid Avenue, MSC 8124-0086-09, St. Louis, MO 63110
Background & recognition
Updated 14 Jul 2026
Credentials, appointments and honors, newest first, each linked to the public source it came from.
Educationdegrees and training on record
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →gastro.wustl.edu ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →doximity.com ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →gastro.wustl.edu ↗
- verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →gastro.wustl.edu ↗
- Board Certified
Internal Medicine - American Board of Internal Medicine
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →doximity.com ↗ - Board Certified
Gastroenterology - American Board of Internal Medicine
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →doximity.com ↗
Editorial & leadership rolesjournal and society appointments
- Treasurer
American Neurogastroenterology and Motility Society (ANMS)
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →motilitysociety.org ↗ - Fellow
American Gastroenterological Association (AGA)
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →gastro.wustl.edu ↗ - Fellow
Rome Foundation
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →gastro.wustl.edu ↗
Secondary affiliationsappointments beyond the home institution
- Director
GI Motility Program, St. Louis VA Medical Center (John J. Cochran Veterans Hospital)
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →vrefstl.org ↗ - Affiliated physician
Barnes-Jewish Hospital
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →health.usnews.com ↗ - Faculty mentor
Institute of Clinical and Translational Sciences (ICTS) / MSCI and MTPCI programs, Washington University
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →icts.wustl.edu ↗
Media & interviewspress, podcasts and appearances
- provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →youtube.com ↗
Every item links to where we found it. verified means we've confirmed it in more than one place; provisional means we found it and are still confirming.
Online presence
Updated 14 Jul 2026
This person's own public accounts first, then places where others mention them. Two different things, listed separately.
Owned accountspublic accounts run by this person
- Other
gastro.wustl.edu/people/gregory-s-sayuk-md-mph
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →gastro.wustl.edu ↗ - Other
profiles.wustl.edu/en/persons/greg-sayuk
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →profiles.wustl.edu ↗ - X / Twitter
x.com/GregSayuk
Mentions by otherswhere others cite or feature them
- X / Twitter
twitter.com/WashUMedGastro
verifiedCorroborated by findmyKOL. We matched this record across two or more independent public sources (or a verified ORCID / NPI identifier bridge) before attributing it to this person.How we verify →twitter.com ↗
We list an account only when the public record ties it to this person. verified means we've confirmed the match in more than one place; provisional means it looks right but we're still confirming.
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