Investigation of Microbiota changes in patients with DBS


The purpose of this research study is to determine the effects of Deep Brain Stimulation (DBS) on gut health in patients with Pakinson’s disease (PD) and without Parkinson's disease (this is the control group). You will be involved in the study for at least 2 years.


Up to four stool samples will be collected from you. You will collect stool samples at home using a stool collection kit. On the day before the stool collection, you will keep a daily food record.

For questions about study details and eligibility criteria, please contact Dr. Vedam-Mai at (443) 935-3935 or email


18 to 65
65 and over



Monetary compensation


Can be done from home



Parkinson disease, Parkinson's disease, Parkinson's disease - resources, Neurology, healthy volunteers

Principal Investigator

Vinata Vedam-Mai, MSc, PhD



Contact Information

(443) 935-3935

Be an Informed Participant

Before deciding to participate in a research study, take time to learn about clinical research, how it's conducted and your rights as a research participant. Following are some helpful resources from independent sources. Always remember that a clinical research study is research, not treatment.

Know Who to Contact

  • Eligibility: For questions about a specific study and who is eligible to participate, call or email the contact person listed for that study.
  • Your Rights: For questions about your rights as a research participant, contact the UF Institutional Review Boards at 352-273-9600.
  • Feedback: For general questions or feedback about study listings, email the UF Clinical and Translational Science Institute at

Other Resources

  • HealthStreet: Health-focused services, classes and events, and opportunities to participate in research.
  • Join a national registry of volunteers willing to be contacted about research studies.

For Research Teams