Overview
Updated 14 Jul 2026
Brian E. Lacy, PHD; MD, is Consultant and Professor of Medicine, Division of Gastroenterology and Hepatology at Mayo Clinic, Jacksonville, FL. The public record shows 367 publications with 17,238 citations (h-index 55), centered on Gastrointestinal motility and disorders, Gastroesophageal reflux and treatments, Helicobacter pylori-related gastroenterology studies. It also documents an investigator role on 9 registered clinical trials, industry payments reported by 13 companies.
- Most recent indexed publication: 2026 · Therapeutic advances in gastroenterology
- Top research focus: Gastrointestinal motility and disorders
- 9 registered trials on ClinicalTrials.gov
- Open Payments reporting from 13 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; 17 in PubMed.
Total citations across indexed works.
Hirsch index (OpenAlex). i10-index 142.
Clinical & industrytrials, payments and federal funding
Federally funded research awards.
Clinical trials
Updated 14 Jul 2026
Listed as an investigator on 9 registered studies on ClinicalTrials.gov. The most recent:
- Novel Pilot Study to Treat Symptoms of IBS With Diarrhea Using Combination Therapy of a Low-FODMAP Diet and a Neuromodulator
Sponsor: Mayo Clinic
InvestigatorEarly phase 1RecruitingNCT06684470 - Diaphragmatic Breathing for the Treatment of Bloating and Distension
Sponsor: Mayo Clinic
InvestigatorRecruitingNCT06596759 - Feasibility of a Wireless Patch System (WPS) to Measure Gastrointestinal Motility and Gastric Emptying
Sponsor: Mayo Clinic
InvestigatorCompletedNCT05555407
Industry payments
Updated 14 Jul 2026
13 companies reported payments to CMS in program years 2021–2025. These are public disclosures, not judgments. The latest:
- Eli Lilly and CompanyProgram year20254 payments$11,475openpaymentsdata.cms.gov ↗
- GlaxoSmithKline, LLC.Program year20253 payments$11,200openpaymentsdata.cms.gov ↗
- Ferring Pharmaceuticals ASProgram year20251 payment
NIH funding
We didn't find any NIH-funded research awards for this person in NIH RePORTER. Why? →
Publications
Updated 14 Jul 2026
Their five most recent publications, matched to their ORCID record and linked to PubMed.
- Tenapanor is associated with earlier and sustained symptom relief in IBS-C: a post hoc analysis.
Therapeutic advances in gastroenterology
2026 - Comparison of High-Resolution Anorectal Manometry and Magnetic Resonance Defecography in Patients With Obstructive Defecation: Are Both Tests Necessary?
Neurogastroenterology and motility
2025 - Treatment for chronic idiopathic constipation: Use and satisfaction from a nationwide survey of US participants.
Neurogastroenterology and motility
2024 - A novel pilot study to evaluate the efficacy and safety of a wireless patch system in patients with chronic nausea and vomiting.
Neurogastroenterology and motility
2024
Most-cited worksby citation count (OpenAlex)
- 01Bowel Disorders2,812 citations2016
- 02ACG Clinical Guideline: Management of Irritable Bowel Syndrome822 citations2020
- 03
- 04
- 05Mechanisms, Evaluation, and Management of Chronic Constipation628 citations2020
Contact
An office address from a public listing. This research profile has no federal registry record to draw from.
Office address
4500 San Pablo Rd S, Jacksonville, FL 32224
Network
Updated 14 Jul 2026
The people this person publishes with most, by number of co-authored papers. Names link to their own profile when we have one.
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
- M.D.
University of Maryland School of Medicine (Baltimore)
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →theromefoundation.org ↗ - Ph.D.
Cell Biology, Georgetown University
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →theromefoundation.org ↗ - Board certified
Gastroenterology and Hepatology
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →theromefoundation.org ↗ - provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →virtual.gastro.org ↗
- Internal Medicine residency and Gastroenterology fellowship
Dartmouth-Hitchcock/Mary Hitchcock Memorial Hospital
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →pri-med.com ↗
Editorial & leadership rolesjournal and society appointments
- Former Editor-in-Chief
Clinical and Translational Gastroenterology
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →mayoclinic.org ↗ - Co-Chairman
Rome IV Committee on Functional Bowel Disorders (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 →theromefoundation.org ↗
Secondary affiliationsappointments beyond the home institution
- Program Director
GI Fellowship, and Associate Program Director for Scholarly Activities, Medical Residency Program, Mayo Clinic Jacksonville
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →theromefoundation.org ↗ - Former Section Chief of Gastroenterology and Hepatology and Professor of Medicine
Geisel School of Medicine at Dartmouth / Dartmouth-Hitchcock Medical Center (Lebanon, NH), prior to Mayo Clinic move …
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →dartmed.dartmouth.edu ↗ - Scientific Advisory Board
Biomerica
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →biospace.com ↗
Media & interviewspress, podcasts and appearances
- 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 →gastrogirl.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 →emoroiddigestpodcast.podbean.com ↗
- "What You Need to Know About IBS"
Gastro Girl podcast, IBS Awareness Month interview
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 →gastrogirl.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.
Mentions by otherswhere others cite or feature them
- Other
gastrogirl.com/podcast/what-you-need-to-know-about-ibs
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 →gastrogirl.com ↗ - Other
gi.org/tag/brian-lacy
- Apple Podcasts
podcasts.apple.com/us/podcast/medically-refractory-gastroparesis-w-dr-brian-lacy/id1585711586
provisionalFound in a cited public source but not yet independently corroborated. Published as a labeled candidate and queued for verification.How we verify →podcasts.apple.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.
Similar KOLs
Other experts from the same institution or the same specialty.
Eric Van Cutsem, MD, PhD
Universitair Ziekenhuis Leuven
- 1,845
- publications
- 177
- h-index
- 14
- trials
Josep Tabernero, MD, PhD
Vall d'Hebron Institut de Recerca
- 2,704
- publications
- 148
- h-index
- 19
- trials
Jaffer Ajani, MD
The University of Texas MD Anderson Cancer Center
- 1,745
- publications
- 154
- h-index
- 22
- trials
Charles Fuchs, MD, MPH
Yale Cancer Center
- 1,721
- publications
- 172
- h-index
- 7
- trials