Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the treatments for hereditary angiopathy with nephropathy, aneurysms, and muscle cramps syndrome ?
    ### Response:
    These resources address the diagnosis or management of HANAC syndrome:  - Gene Review: Gene Review: COL4A1-Related Disorders  - Genetic Testing Registry: Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps   These resources from MedlinePl
    