- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03386604
Physical Capacity of Patients With Chronic Obstructive Pulmonary Disease With and Without Supplementation of Whey
July 28, 2023 updated by: Hospital de Clinicas de Porto Alegre
Physical Capacity of Patients With Chronic Obstructive Pulmonary Disease in Pulmonary Rehabilitation With and Without Supplementation of Whey
Chronic obstructive pulmonary disease is characterized by obstruction to pulmonary airflow and dyspnea.
These characteristics are a consequence of exposure to harmful gases and particles that lead to oxidative stress in the lungs together with an exaggerated inflammatory response.
In addition to respiratory impairment, chronic obstructive pulmonary disease has systemic manifestations, nutritional alterations, and exercise limitation.
Pulmonary rehabilitation is one of the most effective interventions in the treatment of chronic obstructive pulmonary disease, with one goal being to improve patient capacity.
Whey protein supplementation, concomitant with physical activity for patients with chronic obstructive pulmonary disease, aims to stimulate protein synthesis and decrease muscle catabolism that may be caused by exercise.
The investigators aimed to evaluate the effects of whey protein supplementation supplementation on the physical capacity, body composition and tissue functionality of patients with chronic obstructive pulmonary disease in a pulmonary rehabilitation program.
Study Overview
Status
Completed
Intervention / Treatment
Detailed Description
A randomized clinical study will be carried out with 62 patients (31 patients per group) with chronic obstructive pulmonary disease who came from specialized departments of the Pulmonology Service of the Hospital de Clínicas of Porto Alegre and were referred to the pulmonary rehabilitation program of this institution.
Patients will be evaluated in relation to anthropometry, body composition, blood biochemistry, phase angle, dietary intake, physical capacity, muscle strength and lung function.
The data will be processed in the statistical program SPSS version 17.0 and for statistical analysis they will be tested for their normality by the Kolmogorov-Smirnoff test and after this definition will be applied specific tests for parametric or non-parametric data, being they presented in the form of mean and standard deviation or median, minimum and maximum, according to their distribution.
The differences will be considered significant for values of p <0.05.
Study Type
Interventional
Enrollment (Actual)
32
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Priscila B Zanella, MD
- Phone Number: 55 51 3308-5602
- Email: priscila_zanella@hotmail.com
Study Locations
-
-
Rio Grande Do Sul
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Porto Alegre, Rio Grande Do Sul, Brazil
- Hospital de Clínicas de Porto Alegre
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
40 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Have been referred for pulmonary rehabilitation for chronic obstructive pulmonary disease diagnosis;
- Stable for the last 3 months and have no contraindications to exercise (no infection, acute myocardial infarction, malignant neoplasms, renal or hepatic disease, ascites / edema or neuromuscular disease);
- Be 40 years or older;
- Being literate;
Exclusion Criteria:
- Being a vegetarian;
- Make use of continuous oxygen;
- Present cognitive or functional changes that limit the execution of any of the proposed tests.
- Body mass index <21.0 kg / m² and ≥ 35.0 kg / m².
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Whey protein + Rehabilitation
Pulmonary rehabilitation will last 8 weeks covering 3 weekly sessions of supervised exercise and a weekly educational session.
Patients will receive whey protein and will be instructed to take it daily for breakfast, diluted in milk or water (if they do not drink milk).
|
whey protein 40 g: energy value 160 kcal; carbohydrate 10 g; 25g proteins; total fat 2.3g; saturated fats 1.1 g; trans fat 0 g; dietary fiber 0 g; sodium 157 mg; calcium 264 mg.
|
Placebo Comparator: Placebo + Rehabilitation
Pulmonary rehabilitation will last 8 weeks covering 3 weekly sessions of supervised exercise and a weekly educational session.
Patients will receive placebo (maltodextrin) and will be instructed to take it daily for breakfast, diluted in milk or water (if they do not drink milk).
|
Maltodextrin energy value 160 kcal.
|
No Intervention: Control
Patients without pulmonary rehabilitation nor whey protein supplementation.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Physical capacity through the maximum distance traveled
Time Frame: 8 weeks
|
The test will be performed during 6 minutes on a previously measured surface with a distance of 30m, without additional oxygen support.
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8 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Muscle strength through manual grip strength of dominant and non-dominant limbs
Time Frame: 8 weeks
|
Measurement of grip strength with dynamometer is performed with the patient sitting comfortably, with the shoulder attached, the elbow flexed at 90º, the forearm in the neutral position and the cuff should be between 0 (zero) and 30º of extension, and should perform the greatest gripping force possible.
Six measurements will be performed with a 15-second interval, alternating the hands, starting with the dominant upper limb.
|
8 weeks
|
Body composition (amount of muscle mass) wiht absorptiometry by dual emission of X-ray
Time Frame: 8 weeks
|
The measurements will be obtained with the patient in the supine position, positioned in the area of equipment scanning, so that the sagittal line demarcated in this area passes under the center of some anatomical points such as the skull, spine, pelvis and legs, and without metal objects attached to the body.
|
8 weeks
|
Tissue functionality through phase angle
Time Frame: 8 weeks
|
The evaluation of the phase angle will be performed by means of the electric bioimpedance apparatus.
The measurements will be obtained with the patient in dorsal decubitus, barefoot, with the lower limbs slightly apart and without metal objects attached to the body, with electrodes placed on the right hand and foot.
Diuretic medications should be stopped 24 hours before the test, physical activities should be avoided until 8 hours before and a 4 hour fast will be requested.
|
8 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Carolina G de Souza, PhD, Hospital de Clínicas de Porto Alegre
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
September 10, 2021
Primary Completion (Actual)
November 5, 2021
Study Completion (Actual)
March 2, 2022
Study Registration Dates
First Submitted
December 5, 2017
First Submitted That Met QC Criteria
December 21, 2017
First Posted (Actual)
December 29, 2017
Study Record Updates
Last Update Posted (Actual)
August 1, 2023
Last Update Submitted That Met QC Criteria
July 28, 2023
Last Verified
July 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 72793717.0.0000.5327
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
UNDECIDED
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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