Osteoarthritis Clinical Trial
Official title:
Muscle Disuse and Contractile Dysfunction in the Elderly
Verified date | November 2016 |
Source | University of Vermont |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Institutional Review Board |
Study type | Interventional |
The purpose of this study is to define the effects of chronic disuse on skeletal muscle structure and function in elderly individuals at the cellular and molecular level by examining elderly characterized by chronic muscle disuse (patients with knee osteoarthritis) and healthy elderly no evidence of knee osteoarthritis and normal physical activity levels.
Status | Completed |
Enrollment | 35 |
Est. completion date | June 2016 |
Est. primary completion date | June 2016 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 60 Years to 80 Years |
Eligibility |
KNEE OSTEOARTHRITIS PATIENTS Inclusion Criteria: - 60-80 yrs of age - physician-diagnosed, symptomatic knee osteoarthritis - ambulatory and able to perform lower extremity resistance exercise Exclusion Criteria: - rheumatoid arthritis or other autoimmune disease - chronic heart, lung, kidney or liver disease or hypertension - diabetes - history of stroke - other neurological or musculoskeletal disease HEALTHY CONTROLS Criteria are identical to those for knee osteoarthritis patients above, but controls will have no clinical or radiographic evidence of osteoarthritis and will have normal activity physical activity levels. |
Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science
Country | Name | City | State |
---|---|---|---|
United States | University of Vermont and State Agricultural College | Burlington | Vermont |
Lead Sponsor | Collaborator |
---|---|
University of Vermont | National Institute on Aging (NIA) |
United States,
Callahan DM, Bedrin NG, Subramanian M, Berking J, Ades PA, Toth MJ, Miller MS. Age-related structural alterations in human skeletal muscle fibers and mitochondria are sex specific: relationship to single-fiber function. J Appl Physiol (1985). 2014 Jun 15;116(12):1582-92. doi: 10.1152/japplphysiol.01362.2013. — View Citation
Callahan DM, Miller MS, Sweeny AP, Tourville TW, Slauterbeck JR, Savage PD, Maugan DW, Ades PA, Beynnon BD, Toth MJ. Muscle disuse alters skeletal muscle contractile function at the molecular and cellular levels in older adult humans in a sex-specific man — View Citation
Callahan DM, Tourville TW, Miller MS, Hackett SB, Sharma H, Cruickshank NC, Slauterbeck JR, Savage PD, Ades PA, Maughan DW, Beynnon BD, Toth MJ. Chronic disuse and skeletal muscle structure in older adults: sex-specific differences and relationships to co — View Citation
Callahan DM, Tourville TW, Slauterbeck JR, Ades PA, Stevens-Lapsley J, Beynnon BD, Toth MJ. Reduced rate of knee extensor torque development in older adults with knee osteoarthritis is associated with intrinsic muscle contractile deficits. Exp Gerontol. 2 — View Citation
Gustavson AM, Wolfe P, Falvey JR, Eckhoff DG, Toth MJ, Stevens-Lapsley JE. Men and Women Demonstrate Differences in Early Functional Recovery After Total Knee Arthroplasty. Arch Phys Med Rehabil. 2016 Jul;97(7):1154-62. doi: 10.1016/j.apmr.2016.03.007. — View Citation
Miller MS, Bedrin NG, Ades PA, Palmer BM, Toth MJ. Molecular determinants of force production in human skeletal muscle fibers: effects of myosin isoform expression and cross-sectional area. Am J Physiol Cell Physiol. 2015 Mar 15;308(6):C473-84. doi: 10.1152/ajpcell.00158.2014. — View Citation
Miller MS, Bedrin NG, Callahan DM, Previs MJ, Jennings ME 2nd, Ades PA, Maughan DW, Palmer BM, Toth MJ. Age-related slowing of myosin actin cross-bridge kinetics is sex specific and predicts decrements in whole skeletal muscle performance in humans. J Appl Physiol (1985). 2013 Oct 1;115(7):1004-14. doi: 10.1152/japplphysiol.00563.2013. — View Citation
Miller MS, Callahan DM, Toth MJ. Skeletal muscle myofilament adaptations to aging, disease, and disuse and their effects on whole muscle performance in older adult humans. Front Physiol. 2014 Sep 26;5:369. doi: 10.3389/fphys.2014.00369. Review. — View Citation
Rengo JL, Callahan DM, Savage PD, Ades PA, Toth MJ. Skeletal muscle ultrastructure and function in statin-tolerant individuals. Muscle Nerve. 2016 Feb;53(2):242-51. doi: 10.1002/mus.24722. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Single muscle fiber structure/function | Baseline | No | |
Primary | Single muscle fiber structure/function | 3.5 months (post-training) | No |
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