Results from the single-use autoinjector for self-administration of subcutaneous interferon beta-1a in patients with relapsing multiple sclerosis (MOSAIC) study.
BACKGROUND
Patients with multiple sclerosis (MS) often receive long-term injectable therapy, and difficulties associated with self-injection can affect treatment adherence and efficacy.


OBJECTIVE
The objective of this study was to evaluate an investigational, ready-to-use, single-use autoinjector for self-injection of subcutaneous (sc) interferon beta-1a (IFNβ-1a).


METHODS
In this multicenter, open-label, single-arm study, patients with relapsing MS who were receiving IFNβ-1a sc 44 μg three times weekly for ≥ 12 weeks continued therapy using a single-use autoinjector and completed a user trial questionnaire at baseline and weeks 6 and 12. The primary endpoint was the proportion of patients rating the autoinjector as easy or very easy to use at week 12.


RESULTS
At 12 weeks, 86% of 109 patients included in the intent-to-treat population rated the autoinjector easy or very easy to use (95% confidence interval, 80% - 93%), and the most important perceived benefit was its overall convenience. The majority (74%) of patients reported the device as somewhat or extremely convenient to use, and most (83%) agreed or strongly agreed that the device made injections simple.


CONCLUSIONS
The single-use autoinjector was well received and supported by favorable ratings for simplified injections and convenience. The results suggest that the device may improve overall injection experience in patients with relapsing MS.
Hope Neurology, 10810 Parkside Drive, #G15, Knoxville, 37934, TN, USA. sewray@comcast.net
Sibyl
S
Wray
Robert
R
Armstrong
Craig
C
Herrman
Jonathan
J
Calkwood
Mark
M
Cascione
Eric
E
Watsky
Brooke
B
Hayward
Brian
B
Mercer
Fernando
F
Dangond
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007279:Injections, Subcutaneous / Q000295:instrumentation* / Q000523:psychology; D000068556:Interferon beta-1a; D016899:Interferon-beta / Q000008:administration & dosage*; D008297:Male; D008875:Middle Aged; D020529:Multiple Sclerosis, Relapsing-Remitting / Q000188:drug therapy / Q000523:psychology*; D017060:Patient Satisfaction; D012646:Self Administration / Q000523:psychology; D011795:Surveys and Questionnaires; D055815:Young Adult
D016899:Interferon-beta; D000068556:Interferon beta-1a