Core Stability Exercises and Hereditary Ataxia

Cerebellar Ataxia Clinical Trial

— Core-ataxia  

Official title:

The Effectiveness of Core Stability Exercises to Improve Balance and Gait in Hereditary Ataxias. Pilot Study

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT04750850
• Other study ID #: Core protocol 1
• Status: Completed
• Phase: N/A
• Start date: May 20, 2021
• Est. completion date: January 10, 2023

Study information

• Verified date: May 2023
• Source: Universitat Internacional de Catalunya
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

The hereditary ataxias are a group of genetic disorders characterized by slowly progressive incoordination of gait and balance impairments in sitting and standing. Trunk local stability during gait is lower in patients with degenerative ataxia than that in healthy adult population. Given the fact that drug interventions are rare in degenerative diseases and limited to only specific type of diseases and symptoms, physiotherapy is a major cornerstone in current therapy of ataxic gait. Core stability exercises training could be included as an adjunct to conventional balance training in improving dynamic balance and gait. Due to the nature of the interventions, the study will have a single blind design.

Description:

The hereditary ataxias are a group of genetic disorders characterized by slowly progressive incoordination of gait and often associated with poor coordination of hands, speech, and eye movements. Prevalence of the autosomal dominant cerebellar ataxias (ADCAs) is estimated to be approximately 1-5:100,000 populations. Hereditary ataxia may result from: dysfunction of the cerebellum and its associated system, lesions in the spinal cord and/or peripheral sensory loss. Clinical manifestations of hereditary ataxia are poor coordination of movement and a wide-based, uncoordinated, unsteady gait. Poor coordination of the limbs and of speech (dysarthria) are often present. Ataxia patients perceive impairments in balance, coordination and speech as the symptoms with greatest impact, as well as fatigue. Postural disorders in cerebellar ataxia constitute a major cause of poor balance. Local stability of the trunk during gait in patients with cerebellar degenerative ataxia is lower than that in controls. To compensate for this instability, walkers increase the width of the base of support, take smaller steps and increase the duration of foot contact to the floor, sacrificing swing phase. They progress forward slower, with a lower cadence and preferred walking pace. This lack of stability is in turn correlated with the history of falls. Local stability of the trunk may thus be useful when planning gait and balance rehabilitation in patients with ataxia. Developing core strength is essential for everyday health and well-being, as a strong core protects the spine, reduces back pain, enhances movement patterns, and improves balance, stability and posture. However, while motor training programs have been shown to be beneficial in other neurodegenerative diseases (e.g., Parkinson's disease or stroke, their effectiveness remains controversial in the field of degenerative hereditary ataxias. There's emerging evidence that rehabilitation may improve function, mobility, ataxia and balance in genetic degenerative ataxia. Although these conclusions are based primarily on moderate to low-quality studies, the consistency of positive effects verifies that rehabilitation is beneficial. Intensive rehabilitation (with balance and coordination exercises) improves the patients' functional abilities (level of proof: moderate). Although techniques such as virtual reality, biofeedback, treadmill exercises with supported body weight and torso weighting appear to be of value, their specific efficacy has yet to be characterized. This body of literature is limited by the wide range of underlying conditions studied and methodological weaknesses (small sample sizes, poorly described rehabilitation protocols, etc. The aim of this study is that a program of core stability exercises could improve sitting and standing balance and gait in hereditary ataxia patients. Secondary objectives are activities of daily living, lower limb strength and health status of quality of life. After giving informed consent, participants will be randomly assigned (at a ratio 1:1) to core stability group or control group. Concealed treatment allocation will be performed via opaque envelopes. The study will be carried out in accordance with the principles enunciated in the current version of the Declaration of Helsinki and the requirements of Spanish law and the Spanish regulatory authority.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 20
• Est. completion date: January 10, 2023
• Est. primary completion date: November 30, 2022
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years and older

Eligibility

• Inclusion criteria: suffer a degenerative hereditary ataxia. spinocerebellar ataxia (SCA), Friedreich's ataxia (FRDA), idiopathic sporadic cerebellar ataxia, and specific neurodegenerative disorders in which ataxia is the dominant symptom (e.g. cerebellar variant of multiple systems atrophy (MSA-C). Both sexes and age = 18 years old. •Ability to understand and execute simple instructions.
• Exclusion Criteria: Concurrent neurologic disorder (e. g. Parkinson's disease) or major orthopedic problem (e. g. amputation) that hamper sitting balance, relevant psychiatric disorders that may prevent from following instructions, Other treatments that could influence the effects of the interventions, Contraindication to physical activity (e.g., heart failure).

Related Conditions & MeSH terms

• Ataxia
• Cerebellar Ataxia
• Hereditary Ataxia
• Spinocerebellar Ataxias
• Spinocerebellar Degenerations

Intervention

Other:
• Therapeutic core stability exercises
exercises focused on trunk muscle strengthening, proprioception, selective movements of the trunk and pelvis muscle, and coordination, and will be carried out in supine, sitting on a stable surface and sitting on an unstable surface (ball). The exercise involves changes in the position of the body with or without resistance, aiming to improve strength, endurance, proprioception and coordination. Training is determined by the patient's ability to undertake easy exercises and progress to more challenging exercises.
• Usual care
Usual routine as walking and activities of daily living.

Locations

Country	Name	City	State
Spain	Rosa Cabanas Valdés	Cardedeu	Barcelona

Sponsors (2)

Lead Sponsor	Collaborator
Universitat Internacional de Catalunya	Universitat de Lleida

Country where clinical trial is conducted

Spain, 

References & Publications (21)

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Cabanas-Valdes R, Bagur-Calafat C, Girabent-Farres M, Caballero-Gomez FM, Hernandez-Valino M, Urrutia Cuchi G. The effect of additional core stability exercises on improving dynamic sitting balance and trunk control for subacute stroke patients: a randomized controlled trial. Clin Rehabil. 2016 Oct;30(10):1024-1033. doi: 10.1177/0269215515609414. Epub 2015 Oct 8. — View Citation

Cabanas-Valdes R, Urrutia G, Bagur-Calafat C, Caballero-Gomez FM, German-Romero A, Girabent-Farres M. Validation of the Spanish version of the Trunk Impairment Scale Version 2.0 (TIS 2.0) to assess dynamic sitting balance and coordination in post-stroke adult patients. Top Stroke Rehabil. 2016 Aug;23(4):225-32. doi: 10.1080/10749357.2016.1151662. Epub 2016 Mar 11. — View Citation

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Haruyama K, Kawakami M, Otsuka T. Effect of Core Stability Training on Trunk Function, Standing Balance, and Mobility in Stroke Patients. Neurorehabil Neural Repair. 2017 Mar;31(3):240-249. doi: 10.1177/1545968316675431. Epub 2016 Nov 9. — View Citation

He M, Zhang HN, Tang ZC, Gao SG. Balance and coordination training for patients with genetic degenerative ataxia: a systematic review. J Neurol. 2021 Oct;268(10):3690-3705. doi: 10.1007/s00415-020-09938-6. Epub 2020 Jun 24. — View Citation

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Rodriguez-Diaz JC, Velazquez-Perez L, Rodriguez Labrada R, Aguilera Rodriguez R, Laffita Perez D, Canales Ochoa N, Medrano Montero J, Estupinan Rodriguez A, Osorio Borjas M, Gongora Marrero M, Reynaldo Cejas L, Gonzalez Zaldivar Y, Almaguer Gotay D. Neurorehabilitation therapy in spinocerebellar ataxia type 2: A 24-week, rater-blinded, randomized, controlled trial. Mov Disord. 2018 Sep;33(9):1481-1487. doi: 10.1002/mds.27437. Epub 2018 Aug 22. — View Citation

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Schmitz-Hubsch T, du Montcel ST, Baliko L, Berciano J, Boesch S, Depondt C, Giunti P, Globas C, Infante J, Kang JS, Kremer B, Mariotti C, Melegh B, Pandolfo M, Rakowicz M, Ribai P, Rola R, Schols L, Szymanski S, van de Warrenburg BP, Durr A, Klockgether T, Fancellu R. Scale for the assessment and rating of ataxia: development of a new clinical scale. Neurology. 2006 Jun 13;66(11):1717-20. doi: 10.1212/01.wnl.0000219042.60538.92. Erratum In: Neurology. 2006 Jul 25;67(2):299. Fancellu, Roberto [added]. — View Citation

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* Note: There are 21 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Rate of dynamic sitting balance and trunk coordination	Spanish-version of Trunk Impairment Scale 2.0. Each item will be performed three times and the highest score counts. Otherwise, no practice session allowed. The patient can be corrected between attempts. The tests are verbally explained to the patient and can be demonstrated if needed. There are two subscales: dynamic sitting balance and coordination. The first have 10 items and second 6. The highest possible total score is consequently 16 points, which indicates a good dynamic sitting balance and correct trunk control and sitting coordination. If the patient cannot maintain a sitting position for 10 seconds without back and arm support, with hands on thighs, feet in contact with the ground and knees bent at 90° (starting position), the total score for the scale is 0 points.	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks
Primary	Rate of static sitting balance	Sitting section of Scale for the assessment and rating of ataxia (SARA). Patient is asked to sit on an examination bed without support of feet, eyes open and arms outstretched to the front. 0 Normal, no difficulties sitting >10 seconds, 1 Slight difficulties, intermittent sway, 2 Constant sway, but able to sit > 10 s without support, 3 Able to sit for > 10 s only with intermittent support, 4 Unable to sit for >10 s without continuous support	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks
Primary	Rate of ataxia severity	Scale for the Assessment and Rating of Ataxia (SARA). The scale is made up of 8 items related to gait, stance, sitting, speech, finger-chase test, nose-finger test, fast alternating	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks
Secondary	Rate of standing balance	Standing section of Scale for the assessment and rating of ataxia (SARA). Patient is asked to stand (1) in natural position, (2) with feet together in parallel (big toes touching each other) and (3) in tandem (both feet on one line, no space between heel and toe). Proband does not wear shoes, eyes are open. For each condition, three trials are allowed. Best trial is rated. 0 Normal, able to stand in tandem for > 10 seconds 1 Able to stand with feet together without sway, but not in tandem for > 10s, 2 Able to stand with feet together for > 10 s, but only with sway, 3 Able to stand for > 10 s without support in natural, position, but not with feet together, 4 Able to stand for >10 s in natural position only with intermittent support, 5 Able to stand >10 s in natural position only with constant support of one arm, 6 Unable to stand for >10 s even with constant support of one arm.	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks
Secondary	Rate of gait ability	Gait section of Scale for the assessment and rating of ataxia (SARA). Patient is asked (1) to walk at a safe distance parallel to a wall including a half-turn (turn around to face the opposite direction of gait) and (2) to walk in tandem (heels to toes) without support. Scoring items from 0 to 8: 0 Normal, no difficulties in walking, turning and walking tandem (up to one misstep allowed) and 8 Unable to walk, even supported.; Gait speed by 4 meters walking test (meters per second) . The individual walks without assistance for 6 meters, with the time measured for the intermediate 4 meters to allow for acceleration and deceleration.	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks
Secondary	Rate of balance confidence	Activities-specific Balance Confidence (ABC). Larger typeset should be used for self-administration, while an enlarged version of the rating scale on an index card will facilitate in-person interviews. The ABC is an 11-point scale and ratings should consist of whole numbers (0-100) for each item. Total the ratings (possible range = 0 - 1600) and divide by 16 to get each subject's ABC score. If a subject qualifies his/her response to items #2, #9, #11, #14 or #15 (different ratings for "up" vs. "down" or "onto" vs. "off"), solicit separate ratings and use the lowest confidence of the two (as this will limit the entire activity, for instance the likelihood of using the stairs.) • 80% = high level of physical functioning; • 50-80% = moderate level of physical functioning • < 50% = low level of physical, functioning . < 67% = older adults at risk for falling; predictive of future fall.	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks
Secondary	Rate of lower limb strength	30 seconds sit-to-stand. The 30-second chair stand involves recording the number of stands a person can complete in 30 seconds rather then the amount of time it takes to complete a pre-determined number of repetitions. That way, it is possible to assess a wide variety of ability levels with scores ranging from 0 for those who can not complete 1 stand to greater then 20 for more fit individuals.	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks
Secondary	Rate of adherence	Adherence to the core stability exercise programme will be determined using exercise diaries, and process evaluation will be conducted via structured interviews with each participant at end of treatment.	T2: 5 weeks
Secondary	Rate of health status	Health status by Euroqol 5 dimensions (EQ-5D). EQ-5D is a visual analogue scale for health ranging from 0 (worst possible) to 100 (best possible).	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks
Secondary	Rate of gait speed	4 meters walking test (4-MWT)	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks
Secondary	Rate of quality of life	Quality of life by EQ-5D-5L. The EQ-5D-5L is a self-assessed, health related, quality of life questionnaire. The scale measures quality of life on a 5-component scale including mobility, self-care, usual activities, pain/discomfort, and anxiety/depression	T1: Baseline, T2: 5 weeks and T3: follow up 5 weeks