7140 E Rosewood St Suite C
Tucson, AZ 85710
Phone: 520.547.3020
Fax: 520.844.1048
Study Participant Line:
(520) 812-1010
Desert Sun Clinical Research LLC is a private practice based research site, specializing in conducting clinical trials relevant to the fields of gastroenterology and liver diseases, internal medicine and women's health.

Craig G. Gross, M.D., the Principal Investigator and Medical Director of Desert Sun Clinical Research LLC, is a Board Certified Gastroenterologist whose extensive experience in the field contributes to the success of our clinical trials. Dr. Gross has participated in over 35 studies as Principal Investigator, in the following areas of gastroenterology: Hepatitis C; Constipation, Crohn's Disease; Dyspepsia; Gastroesophageal Reflux Disease (GERD); Ulcerative Colitis; Irritable Bowel Syndrome (Constipation-Predominant, Diarrhea-Predominant and Mixed); Duodenal and Peptic Ulcer; Hemorrhoids, Anal Fissures, Colorectal Cancer Screening, Iron Deficiency Anemia and Eosinophilic Esophagitis.

Our mission is, to provide high quality and reliable data to the pharmaceutical companies who are striving to provide cutting edge medications to advance treatment options for digestive and liver diseases. These efforts complement our persistence in maintaining the highest level of safety and care for our patients, as every research study supports the patient and their needs.

Our Internal Medicine and Women's Health programs are based on Principal Investigators in private practice with well established experience and a history of successfully conducted clinical trials in their areas of expertise. Their experience includes respiratory diseases such as asthma and COPD, osteoarthritis, diabetes, hypercholesterolemia, acne, birth control, menstrual and menopausal conditions, uterine bleeding, endometriosis and other women's health issues.
Our Principal Investigators have in-depth involvement with their trials and patient care as required by Good Clinical Practice and FDA Guidelines.



Our pledge to our study participants:
The Desert Sun Clinical Research team pledges to provide the highest level of quality care, compassion and attention to our study participants in order to make your participation in clinical trials a positive and pleasant experience.
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