End Stage Renal DiseaseNCT01076881
Combined Resistance and Aerobic Exercise is Better Than Resistance Training Alone to Improve Functional Performance of Hemodialysis Patients - Results of a Randomized Trial
A study testing exercise training in people with End Stage Renal Disease, run by Universidade Católica de Pelotas at 1 site in Brazil.
Trial summary
This is a randomized trial with participants recruited from one dialysis unit of a Brazilian university hospital. Hemodialysis patients were assigned to receive the resistance exercise combined with an aerobic training or the resistance training alone for a period of 10 weeks. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- End Stage Renal Disease
- What is being tested?
- exercise training
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 26 participants
- Where
- 1 siteBrazil
- Study dates
- Dec 2008to Mar 2009
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- to be on hemodialysis therapy for longer than 3 months
- to be already included in the resistance training protocol during dialysis
- to receive erythropoietin for the treatment of anemia
- hemoglobin level greater than 9.0 g/dL
- to be able to maintain sitting and standing balance and ambulatory without assistance.
Who cannot join
- symptomatic ischemic heart disease
- recent myocardial infarction of less than 6 months
- uncontrolled hypertension
- pericardial or pleural friction rub
- aortic stenosis
- active musculoskeletal lower-extremity problem, or history of vertebral fracture caused by osteoporosis
- patients were also excluded if they participated in formal organized exercise programs outside the dialysis unit.
Trial locations and contacts
1 site in 1 country.
Brazil1 site
Hospital Universitário São Francisco de Paula
Pelotas, Rio Grande do Sul
About this study
This is a randomized trial with participants recruited from one dialysis unit of a Brazilian university hospital. Hemodialysis patients were assigned to receive the resistance exercise combined with an aerobic training or the resistance training alone for a period of 10 weeks. The functional performance of patients was assessed before and after the intervention through the six-minute walk test (6MWT). The difference over time of the 6MWT was compared between the groups through multivariate linear regression.
Thirteen patients were allocated for each group of intervention. The difference in distance walked before and after intervention in the combined training group was of +39.7 (61.4) meters, and this difference in the resistance training group was of -19.2 (53.9) meters, p=0.01. In multivariate analysis with adjustment for age, skin color, gender, hematocrit, time since starting dialysis, Kt/V and baseline values of 6MWT, the type of training remained significantly associated with the amount of increase in walked distance.
Although the best protocol of exercise for patients on dialysis is not yet clear, in the investigators sample of hemodialysis patients the combination of aerobic and resistance training was more effective to improve functional performance.
- Conditions
- End Stage Renal Disease
- Being tested
- exercise training
- Medical subject headings
- Kidney Failure, Chronic
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
exercise trainingBehavioural
| Study group | Role | What they receive |
|---|---|---|
| combined aerobic and resistance training | Experimental | Not described Receives: Behavioral: exercise training |
| resistance training alone | Active comparator | Not described Receives: Behavioral: exercise training |
What is being measured
The primary outcome is the main question the study is designed to answer.
physical performance
Measured: 10 weeks
Secondary outcomes (1)
dialysis adequacy (KtV)
Measured: 4/8/10 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted26 Feb 2010 (estimated)
- Study startDec 2008
- Primary completionMar 2009
- Study completionMar 2009
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for End Stage Renal DiseaseStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Outcomes assessor
- Enrolment
- 26 participants (actual)
Sponsor and investigators
- Lead sponsor
- Universidade Católica de Pelotas
- Sponsor type
- University, hospital or other
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01076881
- Sponsor's protocol ID
- UCPelotas01
- Status last verified
- Feb 2010
- First submitted
- 17 Feb 2010
- Last updated
- 26 Feb 2010
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 26 Feb 2010. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Combined Resistance and Aerobic Exercise is Better Than Resistance Training Alone to Improve Functional Performance of Hemodialysis Patients - Results of a Randomized Trial
- ClinicalTrials.gov ID
- NCT01076881
- Acronym / sponsor ID
- UCPelotas01
- Conditions
- End Stage Renal Disease
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 26 participants (actual)
- Lead sponsor
- Universidade Católica de PelotasUniversity, hospital or other
- Study start
- Dec 2008
- Primary completion
- Mar 2009 (actual)
- Study completion
- Mar 2009 (actual)
- First posted
- 26 Feb 2010 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is a randomized trial with participants recruited from one dialysis unit of a Brazilian university hospital. Hemodialysis patients were assigned to receive the resistance exercise combined with an aerobic training or the resistance training alone for a period of 10 weeks. The functional performance of patients was assessed before and after the intervention through the six-minute walk test (6MWT). The difference over time of the 6MWT was compared between the groups through multivariate linear regression.
Thirteen patients were allocated for each group of intervention. The difference in distance walked before and after intervention in the combined training group was of +39.7 (61.4) meters, and this difference in the resistance training group was of -19.2 (53.9) meters, p=0.01. In multivariate analysis with adjustment for age, skin color, gender, hematocrit, time since starting dialysis, Kt/V and baseline values of 6MWT, the type of training remained significantly associated with the amount of increase in walked distance.
Although the best protocol of exercise for patients on dialysis is not yet clear, in the investigators sample of hemodialysis patients the combination of aerobic and resistance training was more effective to improve functional performance.
Study design
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| combined aerobic and resistance training | Experimental | Behavioral: exercise training |
| resistance training alone | Active comparator | Behavioral: exercise training |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (5 listed)
- to be on hemodialysis therapy for longer than 3 months
- to be already included in the resistance training protocol during dialysis
- to receive erythropoietin for the treatment of anemia
- hemoglobin level greater than 9.0 g/dL
- to be able to maintain sitting and standing balance and ambulatory without assistance.
Key exclusion criteria (7 listed)
- symptomatic ischemic heart disease
- recent myocardial infarction of less than 6 months
- uncontrolled hypertension
- pericardial or pleural friction rub
- aortic stenosis
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| exercise training | Behavioural | combined aerobic and resistance training, resistance training alone |
Primary outcome
physical performance
Time frame: 10 weeks
1 secondary outcome
dialysis adequacy (KtV)
Time frame: 4/8/10 weeks
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 26 Feb 2010.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing exercise training in people with End Stage Renal Disease, run by Universidade Católica de Pelotas at 1 site in Brazil.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 26 Feb 2010. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
physical performance (time frame: 10 weeks). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Feb 2010; AzTrials last refreshed its copy on 7 Nov 2026.