NCT00815178

Brief Summary

The purpose of the study is to determine if inspiratory muscle training improves inspiratory muscle strength of type 2 diabetes mellitus patients with inspiratory muscle weakness.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
25

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Sep 2006

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2006

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2008

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

December 26, 2008

Completed
3 days until next milestone

First Posted

Study publicly available on registry

December 29, 2008

Completed
Last Updated

December 29, 2008

Status Verified

December 1, 2008

Enrollment Period

2 years

First QC Date

December 26, 2008

Last Update Submit

December 26, 2008

Conditions

Keywords

inspiratory muscle weaknessautonomic modulationdiabetes mellitusheart rate variabilityfunctional capacity

Outcome Measures

Primary Outcomes (1)

  • Maximum inspiratory pressure

    8 weeks

Secondary Outcomes (3)

  • Peak exercise oxigen consumption

    8 weeks

  • pulmonary function

    8 weeks

  • autonomic modulation assessed by heart rate variability

    8 weeks

Study Arms (2)

Inspiratory muscle training

EXPERIMENTAL
Behavioral: Inspiratory muscle training

Placebo

PLACEBO COMPARATOR
Behavioral: Inpiratory muscle training placebo

Interventions

For Inspiratory muscle training (IMT)patients carried out the IMT on a daily basis for eight weeks, with duration of 30 minutes and intensity corresponding to 30% of resting PImax, with a linear pressure resistance device (Threshold®). Weekly maximum inspiratory pressure (PImax) evaluations and workload adjustments were performed. Inspiratory load was adjusted on a weekly basis to maintain 30% of the subject's PImax. Training sessions were carried out at home for both groups and supervised once a week at the hospital.

Inspiratory muscle training

Inspiratory muscle training was carried out on the same basis as in the intervention group but with no inspiratory load.

Placebo

Eligibility Criteria

Age40 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • diabetes melittus
  • sedentary
  • inspiratory muscle weakness with PImax \< 70% of the predicted

You may not qualify if:

  • mass index \> 33 kg/m2
  • exercise-induced asthma history
  • infectious disease
  • osteoarticular disease
  • regular alcohol or tobacco consumption in the past 6 months
  • cardiac disease
  • pulmonary disease

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital de Clínicas de Porto Alegre

Porto Alegre, Rio Grande do Sul, 90035-903, Brazil

Location

Related Publications (2)

  • Chiappa GR, Roseguini BT, Vieira PJ, Alves CN, Tavares A, Winkelmann ER, Ferlin EL, Stein R, Ribeiro JP. Inspiratory muscle training improves blood flow to resting and exercising limbs in patients with chronic heart failure. J Am Coll Cardiol. 2008 Apr 29;51(17):1663-71. doi: 10.1016/j.jacc.2007.12.045.

    PMID: 18436118BACKGROUND
  • Correa AP, Ribeiro JP, Balzan FM, Mundstock L, Ferlin EL, Moraes RS. Inspiratory muscle training in type 2 diabetes with inspiratory muscle weakness. Med Sci Sports Exerc. 2011 Jul;43(7):1135-41. doi: 10.1249/MSS.0b013e31820a7c12.

MeSH Terms

Conditions

Diabetes ComplicationsDiabetes Mellitus

Condition Hierarchy (Ancestors)

Endocrine System DiseasesGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

December 26, 2008

First Posted

December 29, 2008

Study Start

September 1, 2006

Primary Completion

September 1, 2008

Study Completion

September 1, 2008

Last Updated

December 29, 2008

Record last verified: 2008-12

Locations