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Obesity Surgery and Kidney Transplant for Patients with Obesity and Renal Failure

Not Applicable
Completed
Conditions
Severe Obesity
Renal Failure
Interventions
Procedure: Gastric Bypass
Other: Weight Loss Program
Registration Number
NCT02128802
Lead Sponsor
Vanderbilt University Medical Center
Brief Summary

Gastric Bypass followed by renal transplantation is superior to medical management followed by renal transplant for patients with severe obesity and renal failure.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
20
Inclusion Criteria
  • Body mass index 40-55 kg/m2
  • Age less than 60 years
  • Available support person
  • Adequate insurance
  • All other criteria required for renal transplantation
Exclusion Criteria
  • Schizophrenia
  • Bipolar disorder
  • Crohn's disease
  • Human Immunodeficiency Virus
  • Cirrhosis
  • Prior weight loss surgery
  • Prior mesh hernia repair
  • Prior anti-reflux surgery
  • Inability to walk 200 feet
  • Significant coronary disease
  • Significant lung disease - Fixed expiratory volume 1 less than 75% or on oxygen
  • Addiction to alcohol or drugs
  • Inability to quit smoking
  • Jehovah's witness
  • Non-compliance with dialysis regimen
  • Previous renal transplant
  • Non-English speaking

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Surgical Gastric BypassGastric BypassPatients will undergo surgical gastric bypass according to standard institutional protocols
Medical Weight Loss ManagementWeight Loss ProgramPatients will receive best practices medical management for weight loss under current institutional protocols
Primary Outcome Measures
NameTimeMethod
Ability to reach medical suitability for renal transplant within 18 months after initiating treatment and the change and trajectory of health-related quality of life (HRQOL)18 months

Outcomes will be measured based on weight loss and a variety of validated surveys and questionnaires to measure HRQOL

Secondary Outcome Measures
NameTimeMethod
Weight loss5 years

Amount of weight lost at various points over the study period

Nutritional status5 years

This outcome includes but is not limited to measures of albumin, pre-albumin, and caloric intake.

All-cause mortality5 years

Number of patients who die from any cause

Health care utilization5 years

This outcome measure includes but is not limited to the amount of money spent on health care, total hospitalization, days of hospitalization, and procedures required.

Hormonal and metabolic status5 years

This outcome includes but is not limited to measurement of protein catabolism, creatinine clearance, and serum prealbumin. In addition, protein and iron metabolism will be measured using serum albumin, transferrin and ferritin. Glucose metabolism will be measured by glucose and insulin levels. regression of the disease. Lipid metabolism will be assessed with triglyceride levels, very-low density lipoproteins, and cholesterol. Micronutrient levels will be measured with vitamin D, thiamin, B12, and folate.

Surgical outcomes5 years

Incidence of surgical complications including but not limited to leak rate, stricture rate, pulmonary embolism, and infection.

Development or regression of diabetes5 years

Including but not limited to start of stop of insulin therapy, amount of insulin required, and start or stop of or cal medications.

Development or regression of other comorbidities5 years

Development or regression of other diseases including but not limited to hypertension, coronary artery disease, and skin infections.

Trial Locations

Locations (1)

Vanderbilt University Medical Center

🇺🇸

Nashville, Tennessee, United States

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