Question: What is (are) Striatonigral Degeneration ?
Answer: Striatonigral degeneration is a neurological disorder caused by a disruption in the connection between two areas of the brain-the striatum and the substantia nigra. These two areas work together to enable balance and movement. Striatonigral degeneration is a type of multiple system atrophy (MSA). Symptoms of the disorder resemble some of those seen in Parkinson's disease, including rigidity, instability, impaired speech, and slow movements.
Source: NINDS

Question: what research (or clinical trials) is being done for Striatonigral Degeneration ?
Answer: The NINDS supports and conducts research on disorders of the brain and nervous system such as striatonigral degeneration. This research focuses on finding ways to prevent and treat these disorders.
Source: NINDS