Clinical Research Division

Hospital Based Research

The Rubin Institute for Advanced Orthopedics’ (RIAO) Clinical Research 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.


The division is located within Sinai Hospital of Baltimore, a 500+ bed institution located in Baltimore, Maryland.


On X - @RIAOResearch

On Instagram -  @RIAOOrthopedics

A nurse talking with a patient in a hospital bed.


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 Staff

Current Clinical Research Fellows


Sandeep Bains, D.C., M.D.

Current Clinical Research Fellow

American University of Antigua College of Medicine


Zhongming Chen, M.D.

Current Clinical Research Fellow

Cornell University, College of Arts and Sciences New York Medical College, School of Medicine

LinkedIn about Zhongming Chen, M.D.

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

Current Clinical Research Fellow

Ain Shams University American University

Past Clinical Research Fellows

View a list of all past Rubin Institute for Advanced Orthopedics research fellows.

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


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

Published Research Articles

Review research articles from Rubin Institute for Advanced Orthopedics physicians.