Houston, TX Gastroenterologist
Vikram S. Jayanty, M.D. PA
10837 Katy Freeway, Suite 175
Houston, TX 77079
(713) 932-9200
(713) 932-6152 Fax
Gastroenterologist in Houston, TX Call for special pricing

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(HERC), established in 1999, is an independent, multi-specialty research site that conducts clinical trials for major research pharmaceutical companies for new and approved medications that are regulated by the U.S. Food and Drug Administration (FDA) and an Ethical Review Board (IRB).  We are proud in helping these companies provide patients with safe and effective medications.

Clinical Research is essential to understanding diseases, improving treatment methods and providing alternative therapies for patients.  Caring, focus and dedication is the pathway to making a difference in the clinical research industry.

HERC and their experienced staff are continually striving to provide exceptional service in assisting our patients and sponsors.

Dr Jayanty Dr. Vikram S. Jayanty, PI / Medical Director

Gastroenterology and Internal Medicine Trials

Dr Mehra Dr. Vikram Mehra, PI

Psychiatry Trials

Danielle Danielle Boyd-Olszeski, PA


Normie Normie Stewart-Brown, MA, CRC

Primary Coordinator

Fatima Fatima Menjivar, MA, CRC

Assistant Coordinator


Currently Enrolling Studies

  • Irritable Bowel Syndrome with Predominant Diarrhea (IBS-D)
  • Hepatitis C
  • Anal Fissure Disease
  • Major Depression Disorder

Participating in a clinical trial can have possible benefits to you as a patient.  As a patient volunteer you can access treatment options, health assessments and medications that may not be available to you otherwise.

If you are interested in participating in one of our studies or would like further information, please feel free to contact us by phone or email:

[email protected]