Non-invasive Neustimulation and Respiratory Rehabilitation

Lung Diseases Clinical Trial

Official title:

Non-invasive Neurostimulation and Rehabilitation in the Treatment of Patients With Respiratory Disorders: Randomized Controlled Clinical Trial

Clinical Trial Details — Status: Recruiting

Administrative data

• NCT number: NCT05886647
• Other study ID #: HD-tDCS+respiratory disorders
• Status: Recruiting
• Phase: N/A
• Start date: January 23, 2023
• Est. completion date: November 2024

Study information

• Verified date: May 2023
• Source: Federal University of Paraíba
• Contact: Suellen M Marinho dos Santos Andrade, Doctor
• Phone: 83 9 93812744
• Email: suellen.andrade[@]academico.ufpb.br
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

Introduction: Respiratory diseases are associated with high rate of morbidity and mortality in Brazil. Cardiopulmonary rehabilitation through respiratory muscle training, aerobic training and strengthening of upper and lower limbs emerges as one of the resources available for the treatment and monitoring of patients with respiratory diseases. To add in this perspective, the application of HD-tDCS induces significant neurophysiological and clinical effects in several body systems.

Objective: To identify the chronic effects of non-invasive neurostimulation associated with the rehabilitation of patients with respiratory disorders. Material and methods: This is a pilot study, quantitative, clinical trial type, randomized and controlled, double blind. The sample will be composed by patients with respiratory diseases, aged above 18 years old. The study will consist of two groups: (1) HD-tDCS will be applied - anodic current + respiratory rehabilitation with respiratory muscle training (RMT) and (2) Sham - Only respiratory rehabilitation with RMT without any type of cortical stimulation. The chronic effects of neurostimulation by HD-tDCS associated with cardiopulmonary rehabilitation, with TMR, during 12 sessions will be evaluated. Patients will be evaluated, before and after the protocol, in relation to cortical activation function, pulmonary function, subjective perception of effort, respiratory muscle function, functional capacity, sensation of dyspnea and quality of life. For statistical analysis, intention-to-treat analysis will be used and groups will be compared using Student's t-test, for continuous variables, or chi-square, for categorical variables. ANOVA split-plot, repeated measures for primary outcomes. Analyzes of covariance to identify differences between groups using baseline scores as covariates. Effect sizes and confidence intervals will be calculated using eta squared (η²). Expected results: Neurostimulation would enhance the effects of respiratory rehabilitation and reduce the symptoms of patients with these diseases.

Recruitment information / eligibility

• Status: Recruiting
• Enrollment: 30
• Est. completion date: November 2024
• Est. primary completion date: June 2024
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years and older

Eligibility

Inclusion Criteria:

• confirmed clinical diagnosis for respiratory disease;

• stable disease

Exclusion Criteria:

• develop disabling condition that prevents the implementation of the protocol;

• join another rehabilitation program

Related Conditions & MeSH terms

• Lung Diseases

Intervention

Other:
• Active non-invasive stimulation and inspiratory muscle training
Simultaneously with the current application, the patient will perform inspiratory muscle training (IMT) by KH2; PowerBreathe International Ltd. UK along with a feedback Breathelink, consisting of three series of two minutes of maximum and deep inspirations followed by two minutes of rest between them, totaling six minutes of TMI.
• Sham compatorator and inspiratory muscle training
As for the patients allocated in the control group, they will receive the HD-tDCS sham for 20 minutes associated with IMT, following for the same training, duration and load increment used in the experimental group.

Locations

Country	Name	City	State
Brazil	Federal University of Paraiba	João Pessoa	Paraiba

Sponsors (1)

Lead Sponsor	Collaborator
Suellen Andrade

Country where clinical trial is conducted

Brazil, 

References & Publications (27)

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Bassi TG, Rohrs EC, Fernandez KC, Ornowska M, Nicholas M, Gani M, Evans D, Reynolds SC. Transvenous Diaphragm Neurostimulation Mitigates Ventilation-associated Brain Injury. Am J Respir Crit Care Med. 2021 Dec 15;204(12):1391-1402. doi: 10.1164/rccm.202101-0076OC. — View Citation

Brunoni AR, Nitsche MA, Bolognini N, Bikson M, Wagner T, Merabet L, Edwards DJ, Valero-Cabre A, Rotenberg A, Pascual-Leone A, Ferrucci R, Priori A, Boggio PS, Fregni F. Clinical research with transcranial direct current stimulation (tDCS): challenges and future directions. Brain Stimul. 2012 Jul;5(3):175-195. doi: 10.1016/j.brs.2011.03.002. Epub 2011 Apr 1. — View Citation

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Edwards D, Cortes M, Datta A, Minhas P, Wassermann EM, Bikson M. Physiological and modeling evidence for focal transcranial electrical brain stimulation in humans: a basis for high-definition tDCS. Neuroimage. 2013 Jul 1;74:266-75. doi: 10.1016/j.neuroimage.2013.01.042. Epub 2013 Jan 28. — View Citation

Filipas L, Gallo G, Meloni A, Luzi L, Codella R. Effects of bilateral dorsolateral prefrontal cortex high-definition transcranial direct-current stimulation on time-trial performance in cyclists with type 1 diabetes mellitus. Brain Stimul. 2022 Sep-Oct;15(5):1292-1299. doi: 10.1016/j.brs.2022.09.005. Epub 2022 Sep 17. — View Citation

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Laviolette L, Nierat MC, Hudson AL, Raux M, Allard E, Similowski T. The supplementary motor area exerts a tonic excitatory influence on corticospinal projections to phrenic motoneurons in awake humans. PLoS One. 2013 Apr 16;8(4):e62258. doi: 10.1371/journal.pone.0062258. Print 2013. — View Citation

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Morya E, Monte-Silva K, Bikson M, Esmaeilpour Z, Biazoli CE Jr, Fonseca A, Bocci T, Farzan F, Chatterjee R, Hausdorff JM, da Silva Machado DG, Brunoni AR, Mezger E, Moscaleski LA, Pegado R, Sato JR, Caetano MS, Sa KN, Tanaka C, Li LM, Baptista AF, Okano AH. Beyond the target area: an integrative view of tDCS-induced motor cortex modulation in patients and athletes. J Neuroeng Rehabil. 2019 Nov 15;16(1):141. doi: 10.1186/s12984-019-0581-1. — View Citation

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Silva CMDSE, Gomes Neto M, Saquetto MB, Conceicao CSD, Souza-Machado A. Effects of upper limb resistance exercise on aerobic capacity, muscle strength, and quality of life in COPD patients: a randomized controlled trial. Clin Rehabil. 2018 Dec;32(12):1636-1644. doi: 10.1177/0269215518787338. Epub 2018 Jul 16. — View Citation

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* Note: There are 27 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Lung function	Spirometry will be performed following the American Thoracic criteria Society (ATS). All participants will undergo a minimum of three maneuvers, in a sitting position, with a nose clip and mouthpiece attached. It will be instructed to perform maximum inspiration, up to total lung capacity, followed by a maximal and continuous forced expiration for at least six seconds, until residual volume.	six weeks
Secondary	Maximum inspiratory pressure	To assess the maximum inspiratory pressure, a computerized electronic device (KH2; PowerBreathe International Ltd. United Kingdom) will be used. The participant will be seated, arms supported and nose clip to prevent air leaks.; The maneuver consists of exhaling to the residual volume and performing a maximum inspiration maintained for as long as possible, being repeated 3 to 8 times to have a variation of less than 10%, based on the highest value.	six weeks
Secondary	functional capacity	Functional capacity will be assessed considering the distance covered in the six-minute walk test (6MWT). The 6MWT will be performed in a 30-meter corridor, checking heart rate (HR), peripheral oxygen saturation (SPO2), blood pressure (BP) and subjective perception of dyspnea by the Borg scale at the beginning and end of the test.; HR and SpO2 will be observed throughout the test. For this porpuse, it will be used a stopwatch, a pulse oximeter to measure HR and SpO2, a sphygmomanometer to measure BP, a printed Borg scale that will be shown to the patient, a chair that can be moved to any area of the track and two cones to mark the return points that will be placed at the beginning and end of the test track.; The test track will be marked in every 3 meters, in a closed environment and at a comfortable temperature.; Instructions will be given for the patient to walk as fast as possible without running, in addition to warnings regarding the elapsed time of the test.	six weeks
Secondary	dyspnea sensation	For the evaluation of this outcome, it will be assessed by the dyspnea scale of the modified Medical Research Council (mMRC), which measures the degree of dyspnea in specific daily activities. The mMRC is divided into 4 grades, ranging from 0 (dyspnea on intense exercise) to 4 (dyspnea on minimal exertion) such as dressing or bathing). The scale is widely used in patients by its simplicity, easyness of use and correlation with quality of life, prognosis and distance covered in the six-minute walk test.	six weeks
Secondary	health-related quality of life	The assessment of health-related quality of life will be carried out through the application of a generic quality of life assessment questionnaire, the SF 36, which is a self-assessment instrument used to assess the quality of life of adults and is organized in eight dimensions: functionality (10 items), limitation caused by the physical problem (4 items), body pain (2 items), general health perception (5 items), vitality (4 items), social function (2 items), limitation caused by the emotional problem (3 items), mental health (5 items). A score is obtained through an algorithm (from 0 to 100), where 0 = lowest quality of life and 100 = better quality of life.	six weeks
Secondary	respiratory muscle resistance	To assess respiratory muscle resistance, a computerized electronic device (KH2; PowerBreathe International Ltd. United Kingdom) will be used. With the participant seated, arms supported and nose clip to prevent air leaks.; The test consists of applying an incremental load, where the maximum number of breaths is performed for two minutes, starting with a load of 10 cmH2O and increasing this same value at each cycle, with a minute of rest. The highest value sustained for at least one minute will be considered.	six weeks