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Carl E. Dukes, M.D, F.A.C.P, 

Internal Medicine and Nephrologist

Principle Investigator 

​

Robert G. Bass, M.D.

Internal Medicine 

​

Thomas W. Grabow, M.D.

Ophthalmologist

Sub-Investigator

​

Hector L. Nevarez, M.D

Ophthalmologist 

Sub- Investigator

​

Izaac A. Zoch, M.D

Anesthesiologist 

Sub- Investigator

​

John J. Nava, M.D

Internal Medicine 

Sub- Investigator

​Ernesto Guerra, M.D.

Gastroenterologist

​​

Desh Sharma, M.D.

Gastroenterologist

​

Nina De Los Santos, M.A

Patient Recruiter 

​

Marlon Quinines, M.D.

Psychiatrist

 

Lama Hashish, MD

Rheumatologist

​

Guadalupe Arambula, RT

Clinical Research Coordinator

​​​

Richard C. Garcia , LVN

Nurse

​

Clifton White , LVN

Nurse

QUALIFIED STUDY PARTICIPANTS RECEIVE:

 

Physical examinations
 
Study related procedures, including
  • Laboratory analysis
  • X-ray exams
  • ECG’s
 
Payment for time and travel
 
24 hour/7 day a week on-call staff
 
 
 
 
 
 
Early, late or Saturday appointments can be arranged to accommodate work or school schedule.
Get Paid For Clinical Trial Studies

OUR STAFF

 Dr. Leonel Reyes is board certified in Internal Medicine. He graduated from University of Texas Health Science Center at San Antonio and is dedicated to the advancement of the Pharmaceutical and Biotechnical industry through clinical research. Under his guidance we at Sun Research Institute have a proven track record for multi therapeutic areas including device trials, asthma, allergies for adults/children and various other trials at any one time.

 

Dr Reyes has served as lead investigator for clinical studies relating to all of the following conditions:

 

  • IBS

  • RA

  • Gout

  • Constipation

  • Neuropathy

  • Heart Burn

  • Lupus

  • Lyme Disease

  • Gastroparesis

  • NASH

  • Obesity 

  • Crohns

  • Migraine 

  • Diabetes Type 2

  • COVID

  • GERD

  • Asthma

  • Hypertension

  • Anemia

  • Influenza

  • Seasonal Allergies

  • Osteoporosis

  • Osteo Arthritis

  • COPD

  • Pain

  • UTI

  • Cardiovascular Disease​​

  • Chronic Kidney Disease 

Leonel Reyes, Jr, M.D

Beneta Parthiban M.S. , CCRC

Site Director/ Regulatory Manager

​

Connie Lerma, AAS

Budgets, Accounting, Contracts

​

Jaspreet Kaur

Accounting

​

Chandana Reddy Gagireddy

SC

​

Sangamithra Sathian

SC

Melissa Mageno, M.A, CRC

​Clinical Research Coordinator
 

Raudel Arias, CRC

Clinical Research

​

Mariana Reyna

Research Assistant

​

Elian Vigil

​SC

​

Sun Research Institute

427 9th St

San Antonio, TX 78215

Paid Research Studies San Antonio
For Life-Threatening Emergencies Call 911
Paid Clinical Trials San Antonio

Sun Clinical Research                                                          

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