Improved Selection of Elderly (> 65 Years) for Kidney Transplantation

Condition(s) studied

Study summary

Kidney transplantation has been shown to provide improved survival even in patients older than 70 years of age. The purpose of the study is to determine whether kidney transplantation provides any improvement of health related quality of life (HRQOL) in patients over the age of 65 years. HRQOL wil be monitored using the Kidney Disease and Quality of Life (KDQOL-SF)form. Patients will be recruited at the time of acceptance to the Norwegian transplant wait list and followed every 6 months until transplantation. Thereafter a new form will be completed after 10 weeks post transplant, 6 months, 1 year, 3 years and 5 years. In addition the study will explore the transplant candidates expectations in a qualitative study design and explore the relationship between pre-transplant comorbidity, HRQOL and survival.

Eligibility

Primary outcome measure(s)

• Changes in Short-term (One Year) Health Related Quality of Life, Measured by the KDQOL-SF Questionnaire — Change in health related quality of life from baseline to one year after transplantation
  Longitudinally monitoring of health related quality of life (HRQOL) by the Kidney Disease and Quality of Life Short Form (KDQOL-SF) questionnaire from listing for transplantation and up to one year post transplantation. The KDQOL-SF scores are organized in 18 dimensions and the Scores for each Dimension are reported within the range 0-100, higher scores indicate better Health related quality of life. Scores are obtained at baseline and every six months while patients were on the waiting list are performed. In addition scores are obtained obtained at two, six and twelve months after transplantation. Comparisons between last score obtained on the waiting list and score at twelve months after transplantation are performed. The results are reported as absolute values and changes from baseline/last score before transplantation and the scores at one year post transplant.
• Health Economic Analyses — From baseline to three years post transplant
  Quality Adjusted Life Years (QALY) are calculated based on Short Form-6D extracted from the SF-36 part of the KDQOL survey while patients were on the waiting list and after transplantation. QALYs are compared between the waiting list and up to three years after transplantation. Costs will be calculated based on information from the patients records and cost/QALY will be compared for the two periods
• Survival — From baseline/last score before transplantation to transplantation/up to ten years post transplant
  Patient survival on the waiting list and after transplantation will be calculated and compared using the Kaplan Meier method and a Cox regression analysis with a time dependent variable.
• Changes in Intermediate Term (Three Years) Health Related Quality of Life, Measured by the KDQOL-SF Questionnaire — From baseline to three years post transplant
  Longitudinally monitoring of health related quality of life (HRQOL) by the Kidney Disease and Quality of Life Short Form (KDQOL-SF) questionnaire from listing for transplantation and up to three years post transplantation. The KDQOL-SF scores are organized in 18 dimensions and the Scores for each Dimension are reported within the range 0-100, higher scores indicate better Health related quality of life. Scores obtained at baseline and every six months while patients were on the waiting list. In addition scores are obtained at two, six, twelve months and at three years after transplantation. For this outcome, comparison between last score obtained on the waiting list and the score at three years post transplant is performed. The results are reported as absolute values and changes from baseline/last score before transplantation and the score at three years post transplant.
• Changes in Long Term (5-10 Years) Health Related Quality of Life, Measured by the KDQOL-SF Questionnaire — From last score before transplantation to ten years post transplant
  Longitudinally monitoring of health related quality of life (HRQOL) by the Kidney Disease and Quality of Life Short Form (KDQOL-SF) questionnaire from listing for transplantation and up to three years post transplantation. The KDQOL-SF scores are organized in 18 dimensions and the Scores for each Dimension are reported within the range 0-100, higher scores indicate better Health related quality of life. Scores obtained at baseline and every six months while patients were on the waiting list. In addition, scores are obtained at two, six, twelve months and at three years after transplantation. For this outcome, comparisons between last score obtained on the waiting list and the score at five and ten years post transplant are performed. The results are reported as absolute values and changes from baseline/last score before transplantation and the score at five and ten years post transplant.

Trial sites (1)

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