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Browse 47,334 clinical trials for rheumatoid arthritis. Find studies that match your criteria and connect with research centers.
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NCT00059592
Shingles is an infection commonly seen in children with a weakened immune system (immunocompromised children). The immune system can be weakened as a result of medications that patients receive for cancer or other serious illness or as a result of a bone marrow transplantation. Shingles in children with a weakened immune system may spread throughout the body and in some instances may be life-threatening. Acyclovir is a medication that is routinely used to treat immunocompromised children with shingles in order to prevent further spread of their shingles and to help them heal faster. Acyclovir is also given to bone marrow transplant patients to prevent reactivation of HSV infection. Valacyclovir is a new drug that is metabolized (broken down in the body) to acyclovir. Valacyclovir is given by mouth and studies done in adults have shown it to be more effective than acyclovir given by mouth. The purpose of this study is to * study the pharmacology of this drug (how the body handles this drug), * determine if oral Valacyclovir can be safely given to children with shingles, and * determine the type of side effects that occur when oral Valacyclovir is given to immunocompromised children.
NCT04295590
The purpose of this study is to compare the impact of augmenting exercise intensity and augmenting exercise frequency on peak work rate. Participants will complete exercise tests and provide 8 skeletal muscle samples following a within-subjects randomized crossover design utilizing single-leg cycling. Both training periods will be 4 weeks long and skeletal muscle biopsies will be collected from both legs before and after each training period. All exercise sessions will be supervised, take place in the investigator's laboratory, and occur on stationary bikes.