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Sherif A. Nasef, M.D.

Specialties : Rheumatology
Languages : Arabic | English
Areas of expertise : Fibromyalgia

(928) 336-2434

Accepts New Patients


Yuma Regional Medical Center Specialty Clinics
2851 S. Avenue B, Bldg. 20
Yuma, AZ 85364
Phone: (928) 336-2434

Care Philosophy

My patient care philosophy is to care for the patient as a whole, addressing the physical, emotional, social and vocational aspects of their illness.

Sherif Nasef, M.D. is a rheumatologist at Yuma Regional Medical Center Specialty Clinics. He completed his Internal Medicine residency at Yale University-Bridgeport Hospital in Bridgeport, CT and a Rheumatology fellowship at University of Tennessee-Memphis in Memphis, TN. 
Medical Degree - Cairo University School of Medicine in Cairo, Egypt
Internal Medicine Residency - Yale University-Bridgeport Hospital in Bridgeport, CT
Rheumatology Fellowship - University of Tennessee-Memphis in Memphis, TN

Research Activities

Primary Investigator in Roche Protocol # ML 211: A
Randomized, Double-Blind, Parallel-Group Study to Evaluate the Safety and Efficacy of Tocilizumab (TCZ) versus Placebo in Combination with Disease Modifying Ant rheumatic Drugs (DMARDs) in Patients with Moderate to Severe Active Rheumatoid Arthritis (RA)
Primary Investigator in Pfizer Protocol #A4091025
A Phase III, Multi-center, randomized, double-blind, Controlled Study of the Long-term analgesic efficacy and safety of Tanezumab alone or in combination with non-steroidal anti-inflammatory drugs (NSAIDS) versus NSAIDS alone in patients with osteoarthritis of the knee or hip
“Oral tolerance to bovine collagen type I in scleroderma” Phase II, randomized, double blind,   
  Placebo-controlled trial.
“Oral tolerance to bovine collagen type II in RA patients off NSAIDs” Phase II, randomized, double blind, placebo-controlled trial.
“Oral tolerance to bovine collagen type II in RA patients on NSAIDs and misoprostol” Phase II,
  Randomized, double blind placebo controlled trial.
“Oral tolerance to bovine collagen type II in RA versus celecoxib” Multicenter, randomized, double blind trial.
“MK-0663 versus indomethacin in acute gouty arthritis” Phase III, randomized, double blind, active    comparator-controlled trial.
“Rofecoxib in RA patients” Phase III, Multicenter, randomized, double blind, placebo-controlled 
“Heel ultrasound measurement of bone mineral density in mentally retarded cohort with osteoporotic   fractures” Case-control study.
“The effect of different doses of prednisone on the oral tolerance to ovalbumin in BALB/C mice”   
  Randomized placebo-controlled study.
S. Nasef, KM. Ryder, J. Williams, C. Womack, NG. Nayak, A. Bush, FA. Tylvasky, & L. Carbone “Appendicular fractures: a significant problem among institutionalized adults with developmental disabilities” Am J Ment Retard 2003 
S. Nasef  “Eosinophilic Fasciitis” Chapter in E-medicine online Medicine textbook 2000 
3.S. Nasef, N. Stone & S. Kaplan “Hepatic and splenic infarction in SLE”. Consultant 2000
S. Nasef, K. Ryder, J. Williams, C. Womack, N. Nayak, B. Pentecost, A. Bush, F. Tylvasky, & L. Carbone. “Fractures in an institutionalized nonambulatory cohort” American Journal of Bone and mineral research 1999 
S. Nasef, M. Babian & G. Soloway. “Gastrointestinal infarction as a manifestation ofRheumatoid vasculitis”. American Journal of Gastroenterology 1998
S. Nasef “Improvement of the Health Care System in rural areas”, Public Health Journal Cairo University, 1990 

Scientific Presentations
      “Cerebral venous thrombosis as an initial presentation of SLE”
        ACP Tennessee Chapter meeting, 1999
      “Fractures in an Institutionalized Nonambulatory Adult Cohort”
        American Society of Bone and Mineral Research 21st Annual Meeting, 1999
      “Gastrointestinal Complications of Rheumatoid Vasculitis”, Yale-Bridgeport Science                    Symposium and ACP Connecticut Chapter meeting, 1997
      “Folic Acid and Coronary Heart Disease”
       Yale-Bridgeport Hospital Annual Scientific Conference, 1996


Internal Medicine, Rheumatology and Sports Medicine