210.614.1231   |   F  210.616.0704   |   Send an email >

Enjoy a better life and brighter future through kidney disease treatment and research in San Antonio and South Texas

Clinical Research

Clinical research brings us closer to finding life-saving treatments

Every day, our clinical research brings us closer to finding life-saving cures and treatments. Your participation in this important work can potentially make a difference for you or someone just like you. The Clinical Advancement Center, PLLC has many currently enrolling study opportunities in areas such as:

  • Chronic kidney disease (all stages)
  • Hypertension (high blood pressure)
  • Diabetic nephropathy (kidney disease caused by diabetes)
  • Anemia (low red blood cell counts)
  • End-stage kidney disease
  • Hemodialysis
  • Peritoneal dialysis
  • Kidney transplantation
  • Hemodialysis vascular access
  • Polycystic Kidney Disease
  • Vitamin D deficiency
  • Hyperparathyroidism
  • Hyperkalemia (high potassium levels)

We are at critical point in medical history, and we are excited to participate in changing the course of diseases that have afflicted millions of patients just like yourself. Be a part of finding new cures and treatments for these diagnoses by contacting us to determine if you are eligible for one of our study opportunities.

You could help us discover the future of medical care – today. Fill out a simple information request, and join hundreds of other people willing to help us find important new life-saving medical treatments. In most cases, we are able to compensate you for your time and expenses. Will you help us? Volunteer today!

If you have any questions about clinical research or any of our research studies, please call 210.223.4444.

Interested in exploring alternative medical options and advancing chronic kidney disease treatment?

Fill out the form below letting us know you’re interested, and we’ll contact you as soon as we are able to.


Dr. Pergola is the research director and has over 20 years experience in clinical research. He studied medicine in Buenos Aires, Argentina, at the Facultad de Medicina, Universidad del Salvador. He received his PhD in Pharmacology, graduating with honors from the University of Kansas Medical Center, Kansas City. After obtaining additional post-doctoral training in clinical research, he completed his internship, residency and fellowship at the University of Texas Health Science Center San Antonio.

He is currently a Clinical Associate Professor of the Division of Nephrology, UTHSCSA. He has authored two book chapters and 27 papers. In addition he has authored numerous abstracts presented at national and International Conferences. His research expertise includes cardiovascular physiology and pharmacology, and diabetic nephropathy.


Meet our Doctors

Mohammad Abdullah, M.D.
Fadi Abouzahr, M.D.
Flavio Alvarez,M.D.
Brigani Amante, M.D.
Julio Cesar Araujo, MD.
Lisa O. Cabrera, M.D.
Timoteo Cabrera, M.D.
Iliana Cardona, M.D.
Michael V. DeGaetano, D.O.
Iliana Fred-Miranda, M.D.
Ronald W. Hamner, M.D., FACP
Judith Hernandez, MDR.
Allen Holub, M.D.
Melissa R. Isbell, M.D., FACP
Brijesh Kapoor, M.D.
Parmish Kohli, M.D.
Luz Moreno, M.D.
Shadi Mourad, M.D.
Paraic J. Mulgrew, M.D., FACP
Aashish Kumar Pandey, M.D.
Jessica L. Pierce, M.D., Ph.D.
J. Arnaldo Ramirez, M.D.
Javier Rodriguez-Sanchez, M.D.
Navid Q. Saigal, M.D., FACP
Mohamed Shafiu, M.D.
Rashid Sharaf, M.D.
Matthias Simon, MD, PhD
Christine Toth, M.D
Johanna Urena, M.D.
Jose Antonio Velez, M.D.
V. Herman Villarreal, M.D.
Bushra Yusuf, M.D.
Fahim Zaman, M.D.
Carlos H. Zem, M.D