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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00250536
Other study ID # DK56182 (completed)
Secondary ID
Status Completed
Phase N/A
First received November 7, 2005
Last updated January 12, 2010
Start date March 2000
Est. completion date October 2004

Study information

Verified date January 2010
Source National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Contact n/a
Is FDA regulated No
Health authority United States: Federal Government
Study type Interventional

Clinical Trial Summary

This is a study to find out whether an exercise program during dialysis or a drug called nandrolone decanoate can increase muscle size and strenght in patients on dialysis.


Description:

Dialysis patients have limited physical functioning as measured by self-reported functioning, peak oxygen consumption, physical performance tests, and tests of muscle strength. A recent study highlighted the severity of debility, reporting that more than one third of hemodialysis patients were unable to perform the normal activities of daily living without assistance. In addition, physical functioning has been shown to be a major determinant of patients' assessment of their global quality of life. Taken together, available evidence suggests that impaired physical functioning is widespread among dialysis patients and profoundly affects their lives. Therefore, interventions to improve functioning in this population have the potential to significantly improve quality of life.

Muscle wasting and weakness are particularly attractive targets for intervention because they are related to loss of function and can be objectively measured and targeted for improvement. Small studies support the possible benefits of two strategies to increase muscle size and strength among patients on dialysis. Anabolic steroids were frequently used to ameliorate the anemia associated with end-stage renal disease prior to the introduction of recombinant erythropoietin, and these agents were noted to cause an increase in serum creatinine along with increases in hemoglobin and hematocrit. More recently, nandrolone decanoate has been shown to increase lean body mass and improve physical performance, and resistance exercise training has been shown to increase strength and improve physical performance. Neither of these preliminary results has been confirmed, nor have the relative benefits of these strategies or their potential additive or synergistic effects been examined. Therefore, we designed a study to compare changes in lean body mass, muscle size and strength, physical performance, and self-reported functioning over a12 week period among hemodialysis patients randomly assigned to one of four groups: 1) nandrolone decanoate, a synthetic testosterone derivative, by weekly intramuscular injection (ND); 2) weekly placebo injections (PL); 3) lower extremity resistance exercise training during dialysis sessions three times per week plus weekly placebo injections (EX); and 4) resistance exercise plus nandrolone injections weekly (EX+ND).


Recruitment information / eligibility

Status Completed
Enrollment 80
Est. completion date October 2004
Est. primary completion date
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- end-stage renal disease on hemodialysis for 3 or more months

Exclusion Criteria:

- inadequate dialysis; Kt/V <1.2

- nonadherent to dialysis treatments; missing >2 dialysis sessions in the month prior to screening

- catabolic state; HIV with opportunistic infection in the last 3 months, malignancy, or infection requiring intravenous antibiotics within 2 months prior to screening

- unable to give informed consent

- active intravenous drug use

- contraindications to resistance exercise; myocardial infarction within 6 months, active angina, uncompensated congestive heart failure, orthopedic or musculoskeletal limitations

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Factorial Assignment, Masking: Double-Blind, Primary Purpose: Treatment


Intervention

Drug:
nandrolone decanoate

Behavioral:
resistance exercise training


Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Outcome

Type Measure Description Time frame Safety issue
Primary Primary outcomes included change in lean body mass measured by dual-energy X-ray absorptiometry, quadriceps muscle cross-sectional area (CSA) measured by MRI, and knee extensor muscle strength.
Secondary Secondary outcomes included changes in physical performance, self-reported physical functioning, and physical activity.
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