Patient Determined Disease Steps (PDDS)

Hohol MJ; Orav EJ; Weiner HL


Basic description

The Patient Determined Disease Steps (PDDS) is a PRO developed with the Patient Registry of the North American Research Committee on MS (NARCOMS). Its clinical counterpart is the Disease Steps, a ClinRO developed by Hohol in 1995. 


Hohol MJ; Orav EJ; Weiner HL

Instrument not copyrighted
To assess disability and walking ability in Multiple Sclerosis (MS)
Therapeutic area
  • Nervous System Diseases
  • Immune System Diseases
Therapeutic indication

Multiple Sclerosis

Type of Clinical Outcome Assessment (COA)
  • pro PRO
Original language(s)
  • English for the USA
1 translation(s)
Bibliographic reference(s) of the original questionnaire

Hohol MJ, Orav EJ, Weiner HL. Disease Steps in multiple sclerosis: A simple approach to evaluate disease progression. Neurology 1995; 45: 251–55 (PubMed abstract)

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