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Abstract Details

Strength is Associated with Functional Abilities and Changes over a 12 Month Period in Individuals with Facioscapulohumeral Dystrophy (FSHD)
Neuromuscular and Clinical Neurophysiology (EMG)
P13 - Poster Session 13 (8:00 AM-9:00 AM)
11-001

Measures of strength and functional abilities may serve as important endpoints for FSHD clinical trials.

To examine the relationship of strength to functional assessments and document the 12 month change in measures of overall strength.

Individuals with FSHD participating in the ReSolve study (NCT03458832) underwent measures of strength and function. Strength assessments included manual muscle testing (MMT) of 16 bilateral muscle groups and quantitative muscle testing (QMT) of 8 bilateral muscle groups. Functional assessments were performed including don and doffing a coat, Timed Up and Go, 10 meter walk/run, gait speed, ascending and descending 4 stairs, and the 6 Minute Walk Test.

240 participants (55% male) with a mean age of 50.5 (range 19-75) years completed baseline assessments across 11 international sites. 138 participants have completed the 12 month visit. Participants presented with a mean strength of 4.1 (range=2.0-5.0) on the modified MRC scale, -5.2 (range -22-1) standardized QMT score.  Overall lower extremity strength was correlated to functional assessments with the ρ ranging from -0.68 to -0.83 (MMT).  The 10 meter walk/run had the strongest correlation with strength. The correlation between individual lower extremity muscle groups and the 10 meter walk/run ranged from -0.43 to -0.72; with the hip extensors and knee flexors having the strongest correlations. Donning and doffing a coat was significantly correlated with overall upper extremity strength (MMT; ρ= -0.60, p<0.0001). Significant strength changes were noted over 12 months in the overall MMT score (mean change -0.08; 95% confidence interval [CI] 0.04-0.11; p<0.0001) and standardized overall QMT score (mean change= -0.64; 95% CI 0.28-1.0); p=0.001).

 

Strength is correlated to upper and lower body functional assessments. Small but consistent changes in strength were detected over 12 months, supporting the feasibility of international multi-site training and use of strength outcomes.

 

 
Authors/Disclosures
Katy Eichinger, PhD, PT, DPT, NCS (University of Rochester)
PRESENTER 		Dr. Eichinger has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Fulcrum. Dr. Eichinger has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Avidity. Dr. Eichinger has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for DyneTherapeutic. Dr. Eichinger has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Roche. Dr. Eichinger has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for FSHD Society. The institution of Dr. Eichinger has received research support from Charcot Marie Tooth Association.
Michael McDermott No disclosure on file
No disclosure on file
Michaela Walker, MPH, CCRP (University of Kansas Medical Center) Miss Walker has nothing to disclose.
Leann Lewis Leann Lewis has nothing to disclose.
William Martens (University of Rochester) William Martens has nothing to disclose.
Doris G. Leung, MD (Kennedy Krieger Institute) The institution of Dr. Leung has received research support from US Department of Defense. The institution of Dr. Leung has received research support from Fulcrum Therapeutics. The institution of Dr. Leung has received research support from ML Bio Solutions, Inc.. The institution of Dr. Leung has received research support from Sarepta Therapeutics. The institution of Dr. Leung has received research support from Cumberland Pharmaceuticals. The institution of Dr. Leung has received research support from FibroGen Inc.. The institution of Dr. Leung has received research support from Astellas Pharma. The institution of Dr. Leung has received research support from University of Kansas Medical Center Research Institute. The institution of Dr. Leung has received research support from Pfizer, Inc.. The institution of Dr. Leung has received research support from Genethon. The institution of Dr. Leung has received research support from Harmony Biosciences. The institution of Dr. Leung has received research support from Edgewise Therapeutics.
Sabrina Sacconi, MD Dr. Sacconi has received personal compensation in the range of $500-$4,999 for serving as a Consultant for LUPIN. Dr. Sacconi has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for SANOFI. Dr. Sacconi has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for BIOGEN. Dr. Sacconi has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for AMICUS. Dr. Sacconi has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for UCB Pharma. Dr. Sacconi has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for ALEXION. Dr. Sacconi has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for FULCRUM THERAPEUTICS. Dr. Sacconi has received personal compensation in the range of $500-$4,999 for serving as an Expert Witness for AXELYS. Dr. Sacconi has received personal compensation in the range of $500-$4,999 for serving as an Expert Witness for OLOGY. The institution of Dr. Sacconi has received research support from Solve FSHD.
Karlien Mul The institution of Karlien Mul has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Avidity Biosciences.
Valeria A. Sansone, MD (The NEMO Clinical Center - Neurorehabilitation Unit, University of Milan) Dr. Sansone has nothing to disclose.
No disclosure on file
Leo H. Wang, MD, PhD, FAAN (University of Washington) Dr. Wang has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for AskBio. Dr. Wang has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Fulcrum Therapeutics. Dr. Wang has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Roche. Dr. Wang has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Mitsubishi Tanabe. Dr. Wang has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Argenx. Dr. Wang has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Avidity. Dr. Wang has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Scholar Rock. The institution of Dr. Wang has received research support from National Institute of Health. Dr. Wang has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant with US Government.
Perry Shieh, MD, PhD, FAAN (UCLA) Dr. Shieh has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Sarepta. Dr. Shieh has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Genentech. Dr. Shieh has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Biogen. Dr. Shieh has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Alexion. Dr. Shieh has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Argenx. Dr. Shieh has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for UCB. Dr. Shieh has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for CSL Behring. Dr. Shieh has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for Grifols. Dr. Shieh has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for Alexion. Dr. Shieh has received personal compensation in the range of $50,000-$99,999 for serving on a Speakers Bureau for Biogen. Dr. Shieh has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Genentech. Dr. Shieh has received personal compensation in the range of $5,000-$9,999 for serving on a Speakers Bureau for Argenx. Dr. Shieh has received personal compensation in the range of $10,000-$49,999 for serving on a Speakers Bureau for Catalyst.
Bakri Elsheikh, MD, FAAN (The Ohio State University Wexner Medical Center) Dr. Elsheikh has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Biogen . Dr. Elsheikh has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Argnex . The institution of Dr. Elsheikh has received research support from Biogen. The institution of Dr. Elsheikh has received research support from Cure SMA.
Samantha J. LoRusso, MD (Kaiser) Dr. LoRusso has nothing to disclose.
Nicholas E. Johnson, MD, FAAN (Virginia Commonwealth University) Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sarepta Therapuetics. Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Dyne Therapeutics. Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Vertex Pharma. Dr. Johnson has received personal compensation in the range of $50,000-$99,999 for serving as a Consultant for ML BIo . Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Avidity. Dr. Johnson has received personal compensation in the range of $50,000-$99,999 for serving as a Consultant for Arthex. Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Juvena. Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Entrada. Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Rgenta. Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Angle Therapeutics. Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving as a Consultant for AskBio. Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Biogen. Dr. Johnson has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Fulcrum. Dr. Johnson has stock in Angle Therapeutics. Dr. Johnson has stock in Juvena Therapeutics. The institution of Dr. Johnson has received research support from Novartis. The institution of Dr. Johnson has received research support from Takeda . The institution of Dr. Johnson has received research support from AMO Pharma. The institution of Dr. Johnson has received research support from Sarepta. The institution of Dr. Johnson has received research support from Dyne Therapeutics. The institution of Dr. Johnson has received research support from AskBio. The institution of Dr. Johnson has received research support from Pepgen. The institution of Dr. Johnson has received research support from ML Bio. The institution of Dr. Johnson has received research support from Vertex. The institution of Dr. Johnson has received research support from Arthex. Dr. Johnson has received intellectual property interests from a discovery or technology relating to health care.
Russell Butterfield, MD, PhD, BS (University of Utah) Dr. Butterfield has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Sarepta. Dr. Butterfield has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Scholar Rock. Dr. Butterfield has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Reata. The institution of Dr. Butterfield has received research support from FSHD Society. The institution of Dr. Butterfield has received research support from NIH. The institution of Dr. Butterfield has received research support from Ionis. The institution of Dr. Butterfield has received research support from CDC.
No disclosure on file
Alrabi Tawil, MD, FAAN (University of Rochester Medical Center) Dr. Tawil has received personal compensation in the range of $500-$4,999 for serving as a Consultant for DYNE Therapeutics. Dr. Tawil has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Arrowhead Pharma. Dr. Tawil has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Fulcrum Therapeutics. Dr. Tawil has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Acceleron Pharma. Dr. Tawil has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for MT Pharma. Dr. Tawil has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche Pharma. Dr. Tawil has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for miRecule. The institution of Dr. Tawil has received research support from Friends of FSH Research. The institution of Dr. Tawil has received research support from FSH Society. The institution of Dr. Tawil has received research support from NIH. The institution of Dr. Tawil has received research support from Fulcrum. Dr. Tawil has received intellectual property interests from a discovery or technology relating to health care. Dr. Tawil has received publishing royalties from a publication relating to health care.
Jeffrey Statland, MD (University of Kansas Medical Center) Dr. Statland has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Arrowhead. Dr. Statland has received personal compensation in the range of $500-$4,999 for serving as a Consultant for ML Bio. Dr. Statland has received personal compensation in the range of $500-$4,999 for serving as a Consultant for MT Pharma. Dr. Statland has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Epic Bio. Dr. Statland has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Armatus . Dr. Statland has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Dyne Therapeutics. Dr. Statland has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Avidity . Dr. Statland has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Fulcrum Therapeutics. Dr. Statland has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche. The institution of Dr. Statland has received research support from NIH. The institution of Dr. Statland has received research support from FSHD Society. The institution of Dr. Statland has received research support from Friends of FSH Research. The institution of Dr. Statland has received research support from FSHD Canada. The institution of Dr. Statland has received research support from MDA.