Below is an instruction from Human. Write a response.
    ### Instruction:
    what research (or clinical trials) is being done for Friedreich's Ataxia ?
    ### Response:
    Friedreich's ataxia is caused by a mutation in the protein frataxin, which is involved in the function of mitochondriathe energy producing power plants of the cell. Frataxin controls important steps in mitochondrial iron metabolism and overall cell iron stability.
    