People with primary progressive multiple sclerosis (PPMS) are usually older and more disabled than those with relapsing-remitting MS, researchers at Washington University reported. The team is studying demographic and clinical characteristics of PPMS patients enrolled in the NARCOMS registry, to better understand their unmet needs and possibly improve research into potential treatments.
The study, “The Profile of a Contemporary Cohort of Participants with Primary Progressive Multiple Sclerosis in the NARCOMS Registry” was presented at the Consortium of Multiple Sclerosis Centers (CMSC) 2016 Annual Meeting, taking place in National Harbor, Maryland, through June 4.
PPMS differs in several aspects from the far more common relapsing-remitting (RR) form of MS, both in terms of probable underlying disease mechanisms and regarding prognosis and treatment. As a result of the skewed proportion of the disease types, most research also focuses on RRMS, and much more is known about RRMS patients than those with PPMS.
NARCOMS is a global registry for MS research, treatment, and patient education, in part supported by CMSC and its Foundation. The registry uses semiannual surveys to gather comprehensive data about demographic and clinical characteristics of its patients.
The presentation on June 3, opening a Platform Session called “Comprehensive Care in MS and Symptom Management” and sponsored by Genentech, was based on analyses of self-reported data from patients who participated in the spring 2015 survey.
Among the 8,004 participants, 632 (7.9 percent) reported that they were suffering from PPMS. This group was largely women (62.7 percent), and most reported becoming ill at an average age of 36. These people were now, on average, 64.3 years old.
A vast majority (94 percent) were Caucasians, and many (89 percent) in the PPMS group were also unemployed. Only 9 percent reported to smoke tobacco.
The median Patient-Determined Disease Steps (PDDS) score, a measure of patient-reported disability, was 6, equaling a need for bilateral support. Half of the group fell within the range of 5 (late cane support) to 7 (wheelchair or scooter use). Most patients, 80.5 percent, reported fatigue, and many also had impaired hand function.
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