Clinical Research at PRCA – Orange County

As Principal Investigator at Parkinson’s Research Centers of America – Orange County, Dr. Mindy Bixby leads with a rare combination of unparalleled clinical expertise, deep research experience, and genuine compassion. Known for her extraordinary ability to connect with patients while advancing the science of neurological care, Dr. Bixby is helping bring world-leading clinical research home to Southern California. Her mission is clear: to offer not just hope for the future, but meaningful treatment options today through innovative, patient-centered trials.

Our Orange County site conducts ongoing studies for Parkinson’s disease (motor and non-motor symptoms), essential tremor, Lewy body dementia, PSP, MSA, and migraine, giving patients access to groundbreaking therapies close to home.

To learn more about our clinical trials and Parkinson’s Research Centers of America – Orange County, please reach out via email to info_OrangeCountyPRCA@ParkinsonsCenter.org.
 To learn more about Parkinson’s Research Centers of America, visit https://parkinsonscenter.org/.

Clinical Research Team

Janne Ho is a dedicated Clinical Trial Coordinator who played a foundational role in launching Parkinson’s Research Centers of America – Orange County, helping bring world-class Parkinson’s research directly to the local community. From building the physical research site to connecting patients with groundbreaking clinical trials, Janne has been involved in every step of making this program a reality.

Janne’s path to clinical research began during her undergraduate studies at the University of California, Irvine, where she earned her Bachelor of Arts in Public Health Policy with a minor in Health Informatics. Her early research focused on how law and policy can shape health outcomes, sparking her passion for using research as a tool to improve real-world patient care.

At PRCA–Orange County, Janne coordinates clinical trials with a focus on compassion, precision, and patient partnership. She guides individuals through each stage of participation and takes pride in witnessing firsthand how emerging therapies can transform quality of life for people living with Parkinson’s disease.

Known for her optimism, problem-solving mindset, and exceptional interpersonal skills, Janne embodies the values of innovation and patient-centered care that define the mission of PRCA–Orange County.

Sujitha Senthil is a Clinical Trial Coordinator with a diverse scientific background and a focused interest in neurology, bringing both analytical expertise and compassionate care to Parkinson’s Research Centers of America – Orange County. She helped launch Parkinson’s Research Centers of America – Orange County, supporting innovative clinical trials that bring new treatment options to the local Parkinson’s community

Sujitha earned her Bachelor of Science in Biology from the University of California, Riverside, where she graduated with University Honors. Her passion for research is grounded in hands-on laboratory experience across multiple scientific disciplines, including neurological and immunological research, where she contributed to data analysis, laboratory techniques, and research development.

Before entering clinical research, Sujitha worked in hospital and outpatient settings as a medical assistant and medical scribe, experiences that deepened her dedication to patient advocacy and communication. Her multidisciplinary foundation uniquely positions her to bridge scientific discovery with meaningful patient outcomes, supporting trials that bring cutting-edge treatments directly to the community.

Known for her strong work ethic, adaptability, and collaborative spirit, Suji plays a key role in coordinating clinical trials and ensuring that each patient receives thoughtful, individualized support throughout their research journey.