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Parkinsonism & Related Disorders

Official Journal of the IAPRD

Editor-in-Chief Hubert Fernandez

Featuring basic and clinical research contributing to the understanding, diagnosis, and treatment of all neurodegenerative syndromes in which parkinsonism, essential tremor, or related movement disorders may be a feature. IAPRD members receive complimentary access.

Clinical Parkinsonism & Related Disorders

New companion journal to PRD

Editors-in-Chief Huifang Shang and Daniel Truong

An online-only, open-access journal committed to publishing high-quality peer-reviewed articles related to clinical aspects of movement disorders, including treatment, investigative reports, and phenomenology.

Featured articles in PRD and CPRD journals

Already during the pandemic, the high-frequency of hyposmia in patients with COVID raised the question about a potential increase in their risk of Parkinson’s disease.  This article reviews all published cases of post COVID parkinsonism.  A hot topic!

What is “advanced” Parkinson’s disease? Is it when PD patients experience falls? Or cognitive decline? Or motor fluctuations?  Should we be using imaging biomarkers? Or pathological ones?  The answers are in this article…

Parkinson’s disease (PD) is associated with increased mortality risk. PD psychosis increases the mortality risk of PD even further. Antipsychotic have been reported to increase mortality in PD patients as well, complicating the treatment of PD psychosis.  Does that apply to pimavanserin?

Melvin Yahr Parkinson’s Disease Clinical Research Award

The IAPRD and Parkinson’s Foundation congratulate Heba Deraz, MD

Winner of the 2024 Melvin Yahr Parkinson’s Disease Clinical Research Award

Optimizing blood pressure to improve outcomes in patients with Parkinson's Disease:
Fewer orthostatic hypotension episodes at the expense of more supine hypertension?

Congratulations to the IAPRD 2024 Young Investigator Award Winners

Winners will present their studies at the 28th IAPRD Congress in Chicago, 13-16 May 2023 Mead, WA – May 10, 2023: The International Association of Parkinsonism and Related Disorders (IAPRD) recognizes three Young Investigators for their outstanding research in the field:

“These young investigators are performing cutting-edge research in Parkinson’s disease and dystonia that we are pleased to showcase at our Chicago meeting,” noted Dr. Mary Ann Chapman, Executive Director of the IAPRD.

Dr. Lin will present the results of her large cohort study of the AOPEP gene, a novel causative gene of autosomal recessive dystonia. Dystonia is a neurological condition of involuntary muscular contractions that lead to repetitive or twisting movements often of the neck or limbs. Mr. Royton will present the results of his study on postural control in Parkinson’s disease, focusing on the staging of postural control changes over the course of the disease. Dr. Torres Ballesteros will describe the results of her study on deep brain stimulation in Parkinson’s disease, and specifically the use of image-guided programming to help improve patient responses.

The International Association of Parkinsonism and Related Disorders (IAPRD) is a non-profit professional association dedicated to promoting education and research in parkinsonism and related disorders. The IAPRD’s 28th World Congress will take place in Chicago at the McCormick Place Congress Center from 13-16 May 2023. Visit for more information.

Contact: Mary Ann Chapman, Executive Director;; 509-939-4339