You will be asked to write down the side effect of Haelan daily. You will have about 6 teaspoons of blood drawn for routine clinical tests, for protein level and kidney function at Week 4 +/- 5 days. You will also be asked to complete 3 questionnaires that have questions about any appetite, nausea, and fatigue you experience and your overall sense of well being. These questionnaires will take about 15 minutes to complete. You will be given several tests to measure your weight, skin-fold thickness and body composition. You will be given 2 functional tests, which involves timing how long it takes for you to get up from a chair to walk and timing how long it takes for you to walk 50 feet at your fastest speed. These tests will take about 30 minutes to complete. The questionnaires, measurement of your weight, skin-fold thickness and body composition, and functional tests will be done before treatment starts and on a visit day 10 +/- 5 days, week 4 +/- 5 days, week 6 +/- 5 days.