A Call for a Standard Classification System for Future Biologic Research: The Rationale for New PRP Nomenclature

Kenneth Mautner, Gerard A. Malanga, Jay Smith, Brian Shiple, Victor Ibrahim, Steven Sampson, Jay E. Bowen

Research output: Contribution to journalArticlepeer-review

98 Scopus citations


Autologous cell therapies including platelet-rich plasma (PRP) and bone marrow concentrate (BMC) are increasingly popular options for soft tissue and joint-related diseases. Despite increased clinical application, conflicting research has been published regarding the efficacy of PRP, and few clinical publications pertaining to BMC are available. Preparations of PRP (and BMC) can vary in many areas, including platelet concentration, number of white blood cells, presence or absence of red blood cells, and activation status of the preparation. The potential effect of PRP characteristics on PRP efficacy is often not well understood by the treating clinician, and PRP characteristics, as well as the volume of PRP delivered, are unfortunately not included in the methods of many published research articles. It is essential to establish a standard reporting system for PRP that facilitates communication and the interpretation and synthesis of scientific investigations. Herein, the authors propose a new PRP classification system reflecting important PRP characteristics based on contemporary literature and recommend adoption of minimal standards for PRP reporting in scientific investigations. Widespread adoption of these recommendations will facilitate interpretation and comparison of clinical studies and promote scientifically based progress in the field of regenerative medicine.

Original languageEnglish (US)
Pages (from-to)S53-S59
JournalPM and R
Issue number4
StatePublished - Apr 1 2015

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation
  • Neurology
  • Clinical Neurology


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