Clinical Research Division

The Rubin Institute for Advanced Orthopedics’ (RIAO) Clinical Research Division is located within Sinai Hospital of Baltimore, a 500+ bed institution located in Baltimore, Maryland. The division is a hospital-based research team that provides 24/7 medical coverage and is able to access fully-serviced departments to support research efforts.

Our experienced staff is well versed in U.S. Food and Drug Administration (FDA) regulations, International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) guidelines and Good Clinical Practice (GCP) standards. The clinical research team has a successful track record of managing and conducting clinical trials within an orthopedic setting.

The RIAO Clinical Research Division has conducted clinical trials (phases I through IV), inpatient and outpatient trials, extensive pharmacokinetic (PK) sampling and many other complex studies. The division has worked with a large, diverse patient population to research a myriad of indications such as:

  • Abnormal gait
  • Deformity correction
  • Diabetic foot ulcers
  • Infection control
  • Limb lengthening
  • Limb salvage
  • Nonunions
  • Osteoarthritis
  • Osteomyelitis
  • Osteonecrosis
  • Perthes disease
  • Synthetic bone grafts
  • Total hip/knee arthroplasty
  • Venous leg ulcers

Research Team

Research Team Staff

Ronald E. Delanois

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Ronald E. Delanois, M.D., F.A.A.O.S.

  • Director, Research and Jerome P. Reichmister, M.D., Endowed Chairman of Orthopedics

Martin Gesheff

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Martin Gesheff, M.S., C.C.R.C., A.C.R.P.-P.M.

  • Director, Industry-Sponsored Research

Nirav Patel

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Nirav Patel, M.D.

  • Lead Research Program Coordinator
  • American University of Antigua College of Medicine

Taj-Jamal Andrews

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Taj-Jamal Andrews, M.D., M.B.A.

  • Research Program Coordinator
  • Avalon School of Medicine
  • Davenport University – Donald W. Maine College of Business

Alie Jreisat

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Alie Jreisat, M.D., M.B.A.

  • Research Program Coordinator
  • The American University of Integrative Sciences (AUIS)
  • Davenport University – Donald W. Maine College of Business

Current Clinical Research Fellows

Scott Douglas

Scott Douglas, M.D.

  • University of Maryland School of Medicine

Ahmed Elhessy

Ahmed Elhessy, M.B.B.Ch., TQM

  • Ain Shams University
  • American University

Sahir Pervaiz

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Sahir Pervaiz, M.D., M.S.

  • Royal College of Surgeons in Ireland
  • Rutgers University

Oliver Sax

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Oliver Sax, D.O., M.S.

  • Touro College of Osteopathic Medicine

Past Clinical Research Fellows

Nequesha Mohamed

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Nequesha Mohamed, M.D.

  • University of Medicine and Health Sciences – St. Kitts

Ethan Remily

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Ethan Remily, D.O.

  • A.T. Still University – Kirksville College of Osteopathic Medicine

Wayne Wilkie

Wayne Wilkie, D.O., M.H.S.A.

  • Lake Erie College of Osteopathic Medicine – Bradenton

Research Fellowship Program

Research Fellows at the Rubin Institute for Advanced Orthopedics will work with physicians who have earned a global reputation for their limb lengthening expertise and innovative techniques for joint preservation and replacement on multiple research studies. They will submit research articles to peer-reviewed medical journals.

For more information and an application for the Limb Lengthening and Reconstruction Research Fellowship Program with the International Center for Limb Lengthening, please click here.

For more information on research fellowship opportunities with the Center for Joint Preservation and Replacement, please email Ashley Adolph at:

Published Research Articles

Click here to review research articles from Rubin Institute for Advanced Orthopedics physicians.