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1.
Neurology ; 2022 May 11.
Article in English | MEDLINE | ID: mdl-35545446

ABSTRACT

OBJECTIVE: To determine whether locally acting ACE-083 is safe, well tolerated, and increases muscle volume, motor function, and quality of life (QoL) in adults with Charcot-Marie-Tooth disease (CMT) type 1. METHODS: This phase 2 study enrolled adults with CMT1 or CMTX (N=63). Part 1 was open-label and evaluated safety and tolerability of different dose levels of ACE-083 for use in Part 2. Part 2 was a randomized, placebo-controlled, 6-month study of 240 mg/muscle ACE-083 injected bilaterally in the tibialis anterior muscle, followed by a 6-month, open-label extension in which all patients received ACE-083. Pharmacodynamic endpoints included total muscle volume (TMV; primary endpoint), contractile muscle volume (CMV), and fat fraction. Additional secondary endpoints included 6-minute walk test, 10-meter walk/run, muscle strength, and QoL. Safety was assessed with treatment-emergent adverse events (TEAEs) and clinical laboratory tests. RESULTS: In Part 1 (n=18), ACE-083 was generally safe and well tolerated at all dose levels, with no serious AEs, TEAEs ≥Grade 3, or death reported. In Part 2 (n=45 enrolled, n=44 treated), there was significantly greater change in TMV with ACE-083 compared with placebo (LS mean difference: 13.5%; p = 0.0096). There was significant difference between ACE-083 and placebo for CMV and change in ankle dorsiflexion strength. Fat fraction and all other functional outcomes were not significantly improved by ACE-083. Moderate-to-mild injection-site reactions were the most common TEAEs. CONCLUSIONS: Despite significantly increased TMV and CMV, patients with CMT receiving ACE-083 in tibialis anterior muscles did not demonstrate greater functional improvement compared with those receiving placebo. CLASSIFICATION OF EVIDENCE: This study provides Class II evidence that intramuscular ACE-083 is safe, well tolerated, and increases total muscle volume after 6 months of treatment in adults with CMT1 or CMTX.

2.
Muscle Nerve ; 66(1): 50-62, 2022 07.
Article in English | MEDLINE | ID: mdl-35428982

ABSTRACT

INTRODUCTION/AIMS: Facioscapulohumeral muscular dystrophy (FSHD) is a slowly progressive muscular dystrophy without approved therapies. In this study we evaluated whether locally acting ACE-083 could safely increase muscle volume and improve functional outcomes in adults with FSHD. METHODS: Participants were at least 18 years old and had FSHD1/FSHD2. Part 1 was open label, ascending dose, assessing safety and tolerability (primary objective). Part 2 was randomized, double-blind for 6 months, evaluating ACE-083240 mg/muscle vs placebo injected bilaterally every 3 weeks in the biceps brachii (BB) or tibialis anterior (TA) muscles, followed by 6 months of open label. Magnetic resonance imaging measures included total muscle volume (TMV; primary objective), fat fraction (FF), and contractile muscle volume (CMV). Functional measures included 6-minute walk test, 10-meter walk/run, and 4-stair climb (TA group), and performance of upper limb midlevel/elbow score (BB group). Strength, patient-reported outcomes (PROs), and safety were also evaluated. RESULTS: Parts 1 and 2 enrolled 37 and 58 participants, respectively. Among 55 participants evaluable in Part 2, the least-squares mean (90% confidence interval, analysis of covariance) treatment difference for TMV was 16.4% (9.8%-23.0%) in the BB group (P < .0001) and 9.5% (3.2%-15.9%) in the TA group (P = .01). CMV increased significantly in the BB and TA groups and FF decreased in the TA group. There were no consistent improvements in functional or PRO measures in either group. The most common adverse events were mild or moderate injection-site reactions. DISCUSSION: Significant increases in TMV with ACE-083 vs placebo did not result in consistent functional or PRO improvements with up to 12 months of treatment.


Subject(s)
Cytomegalovirus Infections , Muscular Dystrophy, Facioscapulohumeral , Adolescent , Adult , Cytomegalovirus Infections/pathology , Humans , Magnetic Resonance Imaging , Muscle Contraction , Muscle, Skeletal
3.
Muscle Nerve ; 60(2): 147-154, 2019 08.
Article in English | MEDLINE | ID: mdl-31136007

ABSTRACT

INTRODUCTION: We previously reported our amyotrophic lateral sclerosis (ALS) video televisit experience. Here we report on video televisit versus in-clinic costs, adjusting for perceived medical usefulness (MU). METHODS: We take the patient-perspective and a focused institutional-perspective. Costs are adjusted for patient/caregiver and physician perceptions of visit MU. The base-case reflects our outpatient ALS practice. RESULTS: In the base-case, from the patient perspective, in-clinic visits cost $1,116 and video televisits cost $89 ($119 after MU-adjustment). From the institutional perspective, clinic visits cost $799, and video televisits cost $354 ($472 after MU-adjustment). Adjusted cost-savings per televisit are $997 (patient) and $327 (institution). Sensitivity analyses on 5 variables accounted for uncertainty in base-case assumptions. CONCLUSIONS: Video televisits provide marked adjusted cost-savings for patients and institutions. Adjusted costs are sensitive to perceived MU of video televisits. Future research should explore the ability of video televisits to reduce healthcare resource usage. Muscle Nerve 60: 147-154, 2019.


Subject(s)
Amyotrophic Lateral Sclerosis/economics , Telemedicine/economics , Videoconferencing/economics , Ambulatory Care , Amyotrophic Lateral Sclerosis/therapy , Caregivers , Cost Savings , Cost of Illness , Costs and Cost Analysis , Housing/economics , Humans , Sick Leave/economics , Travel/economics
4.
Am J Phys Med Rehabil ; 97(2): 134-140, 2018 02.
Article in English | MEDLINE | ID: mdl-28953032

ABSTRACT

Electrodiagnostic medicine is a required component of Physical Medicine and Rehabilitation residency education, but limited resources exist to guide curriculum development. Our objective was to create a focused workshop to enhance our residency program's electrodiagnostic curriculum. We created two separate 1.5-day workshops, one basic and one advanced, for all residents. Each workshop included didactic sessions, case discussion, question and answer sessions, demonstrations, and hands-on participation with direct supervision and feedback. Presurveys and postsurveys were administered to evaluate the value of the workshops. We also assessed trends in electrodiagnostic self-assessment examination scores. Residents reported clinical electrodiagnostic rotations to be more valuable to their education than previous didactic sessions and independent learning. Self-reported knowledge of electrodiagnostic concepts, resident comfort level in planning, performing, and interpreting studies, and perceived value in independent learning of electrodiagnostic medicine improved after implementation of the workshops. There was a 7% improvement in the American Association of Neuromuscular and Electrodiagnostic Medicine electrodiagnostic self-assessment examination score compared with the previous year and a 15% improvement in the Physical Medicine and Rehabilitation self-assessment examination electrodiagnostic subscore compared with the previous 5 yrs. All participants recommended similar educational experience for other residents. This successful workshop may serve as a resource for other training programs.


Subject(s)
Electrodiagnosis , Internship and Residency/methods , Physical and Rehabilitation Medicine/education , Simulation Training/methods , Adult , Curriculum , Educational Measurement/methods , Female , Humans , Male , Program Evaluation , United States
5.
Article in English | MEDLINE | ID: mdl-29250986

ABSTRACT

OBJECTIVE: Telemedicine using video televisits is emerging as a means to provide care directly to patients. Here we report our experience using video televisits to provide follow-up care as a part of the Massachusetts General Hospital (MGH) Telemedicine for People with ALS (TelePALS) initiative. METHODS: This was a retrospective chart review of all video televisit encounters conducted by the MGH ALS clinic between September 2014 and January 2016. RESULTS: A total of 97 distinct ALS patients were seen using video televisits. Twenty-four percent of these patients had more than one video televisit. The median distance of the patients' primary residence to MGH was 211 miles. The average video televisit lasted 32 min (±12). About half the patients (54%) were ambulatory at the time of their video televisit. The most commonly addressed issues were medication management (89%), discussion of goals of care (74%), research (55%) and equipment use (50%). Acute care issues were rarely discussed. CONCLUSION: Video televisits are feasible and can be a useful tool to supplement traditional clinic-based multidisciplinary ALS care.


Subject(s)
Ambulatory Care Facilities/statistics & numerical data , Amyotrophic Lateral Sclerosis , Delivery of Health Care , Telemedicine , Adult , Aged , Aged, 80 and over , Amyotrophic Lateral Sclerosis/diagnosis , Amyotrophic Lateral Sclerosis/therapy , Data Collection , Delivery of Health Care/methods , Female , Humans , Male , Middle Aged , Retrospective Studies
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