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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT00580762
Other study ID # 0508000519
Secondary ID
Status Terminated
Phase N/A
First received December 18, 2007
Last updated September 2, 2016
Start date October 2005
Est. completion date July 2011

Study information

Verified date September 2016
Source Yale University
Contact n/a
Is FDA regulated No
Health authority United States: Institutional Review Board
Study type Interventional

Clinical Trial Summary

This study will address a true clinical problem by developing a risk/benefit analysis for rapid surgical weight loss in the ESRD population. The risks of surgical intervention, as well as, potential nutritional concerns, balanced with that of the potential medical benefits associated with significant weight loss.


Description:

The study will be designed to compare two cohorts of patients that will undergo laparoscopic RYGB. Cohort 1 will include ESRD patients on HD who meet the NIH guidelines and preoperative requirements for RYGB. Cohort 2 will include non-ESRD patients who meet the NIH guidelines and preoperative requirements for RYGB. Laparoscopic RYGB will be performed in ESRD patients who meet the guidelines recommended by the National Institutes of Health consensus statement . This includes patients who either have a BMI≥40 kg/m2 or have a BMI≥35 kg/m2 and have a significant morbidity attributed to their obesity (i.e. sleep apnea, hypertension, and diabetes mellitus). All patients will undergo a complete pre-operative evaluation inclusive of dietary instruction, assessment of surgical risk, psychosocial evaluation and compliance evaluation. This evaluation will be conducted through an existing infrastructure at the investigators Bariatric Surgery Center. Patients will be required to be on hemodialysis or able to be converted to hemodialysis for the perioperative period. All procedures will be performed by the same team of surgeons, experienced in both laparoscopic RYGB, organ transplantation and general surgery in ESRD patients. The risks involved with Roux-en-Y gastric bypass surgery will be discussed with the patient. These risks are inherent to the procedure, however the procedure is being conducted for medical appropriate reasons and therefore the benefits to the procedure outweigh the risks. At the present time, it is believed, without any justification, that this procedure is more risky or too risky in the ESRD population. A primary objective of this study is to investigate this question.


Recruitment information / eligibility

Status Terminated
Enrollment 5
Est. completion date July 2011
Est. primary completion date July 2011
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria:

1. Obese ESRD patients with a BMI= 40kg/m2 or =35kg/m2 with an medical complication attributed to morbid obesity (NIH guidelines).REF

2. Age = 18 and = 65

3. Patients must be on hemodialysis for one month.

4. Patients listed for kidney transplant in a UNOS certified kidney transplant center.

5. Patients have accrued less than 18 months of waiting time.

6. Completion of pre-RYGB psychosocial evaluation.

7. Completion of pre-RYGB dietary counseling.

8. Completion of pre-RYGB surgical risk assessment inclusive of cardiac evaluation.

9. Full reciprocal understanding of informed consent and the risks and benefits of RYGB procedure.

10. Acceptance of clinical protocol evaluations requiring scheduled clinic visits and laboratory blood draws.

Exclusion Criteria:

1. Age < 18 and > 65.

2. Patients with a history of peritoneal dialysis related bacterial peritonitis.

3. Peritoneal dialysis patients not willing to undergoing temporary hemodialysis.

4. History of difficult vascular access as defined by the inability to obtain permanent upper extremity or temporary jugular venous access.

5. History of poor hemodialysis performance.

6. Patients enrolled in another study within 6 months of initiation.

7. Patients listed for kidney transplant in a different UNOS region that has shorter transplant waiting times than the region governing the investigators institution.

8. Patients unwilling to be made temporarily unavailable for transplant.

9. History of non-compliance with medical care.

10. Uncontrolled psychiatric illness (ie. depression, anxiety, attention deficit disorder (ADD), uncontrolled binge eating disorder)

11. Inability to provide reciprocal understanding of informed consent.

12. Failure to complete the preoperative work-up (psychosocial, dietary and surgical risk) for RYGB.

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Procedure:
Roux-en-y gastric bypass (RYGB)


Locations

Country Name City State
United States Yale University School of Medicine New Haven Connecticut

Sponsors (1)

Lead Sponsor Collaborator
Yale University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary The safety and efficacy of laparoscopic RYGB in obese ESRD patients will be assessed. 1 year Yes
Secondary Weight reduction in ESRD patients will be characterized to assess additive risk factors for micronutrient abnormalities and protein malnutrition. 1 year Yes
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