The History of Parkinson's Disease and the Future of Treatment

September 13, 2022Neelem Sheikh

Aspects of possible Parkinson’s disease have been found in very early documents, indicating the existence of Parkinson’s disease may have been known since ancient times. However, James Parkinson was the first to medically describe Parkinson’s disease as a neurological syndrome in 1817.

While there is still much to be discovered, our understanding of Parkinson’s disease has grown immensely over the past two centuries. In this article, we will provide an overview of the history of Parkinson’s disease, highlighting important milestones of Parkinson’s disease pathophysiology, diagnosis, and treatment.

The History of Parkinson’s Disease: An Overview

Just over 200 years ago, James Parkinson comprehensively described the motor and non-motor symptoms of Parkinson’s disease. The resulting growth in our understanding of the pathophysiology of Parkinson’s disease has resulted in better treatments and has created a strong foundation for new, novel treatment approaches. 

Here is a quick overview of the history of Parkinson’s disease and important milestones that have been achieved throughout the past two centuries.

1817: The Shaking Palsy

In 1817, James Parkinson published An Essay on the Shaking Palsy, the first clear medical document pertaining to Parkinson’s disease. Parkinson reported on six case sketches, three of which were patients, two of which he met in the streets of London, and one who he observed only from a distance. He discussed the degenerative nature of the disease and clearly described the clinical features, such as stooped posture, festinant gait, and tremor.

“Involuntary tremulous motion, with lessened muscular power, in parts not in action and even when supported; with a propensity to bend the trunk forward, and to pass from a walking to running pace: the senses and intellects being uninjured.” - James Parkinson

1867: Maladie de Parkinson

While Parkinson’s essay has since been recognized as a major discovery in the field, it received little attention for decades. It wasn’t until 1867 that Jean-Martin Charcot used the term “Maladie de Parkinson” in honor of Parkinson’s research.

1893: Linking Brain Pathology and Parkinson’s Disease

In 1893, Blocq and Marinesco suggested there is a link between pathology in the Substantia Nigra pars compacta (SNc) and Parkinson’s disease.

1919: Corps de Lewy

In 1919, Tretiakoff first used the term “corps de Lewy” (Lewy bodies) and reported the presence of these bodies in the SNc of patients with idiopathic and post-encephalitic Parkinsonism.

1958: Discovery of Effective Treatments

In 1958, Carlsson found that levodopa (L-Dopa), a treatment still widely used today, was effective in treating the symptoms of Parkinsonism. His work demonstrated that the motor symptoms in Parkinson’s disease are related to a decrease in dopamine in the striatum following the degeneration of dopaminergic neurons of the nigrostriatal pathway. This discovery rapidly advanced hypotheses surrounding the role of dopamine loss in the pathogenesis of Parkinson’s disease.

1993: The Start of Neurosurgical Therapies for Parkinson’s Disease

In 1993, Limousin et al. demonstrated the role of the subthalamic nucleus (STN) in the pathophysiology of Parkinson’s disease in humans. Limousin et al. also demonstrated that deep brain stimulation (DBS) of the STN may be effective in the treatment of Parkinson’s disease.

1997: Linking Parkinson’s Disease to Genetics

In 1997, Polymeropoulos et al. showed that mutations in the alpha-synuclein (SNCA) gene were common in several families who had members with Parkinson’s disease, marking the first genetic connection to Parkinson’s disease. 

2011: Reversing Motor Symptoms in Animal Models

In 2011, Kriks and Shim et al. demonstrated that transplanted neurons (derived from human embryonic stem cells) were able to reverse the motor symptoms in animal models of Parkinson’s disease.

2017: Induction of Functional Dopamine Neurons

In 2017, Rivetti di Val Cervo et al. reprogrammed astrocytes of adult mice (in vivo) and striatal astrocytes of humans (in vitro) to become functional dopamine neurons.

The Future of Parkinson’s Disease Treatment

There has been significant progress throughout the past two centuries, and research isn’t slowing down anytime soon. The pipeline for Parkinson’s disease medications is extremely crowded, with many novel approaches that aim to modify the disease (slow or half disease progression), as opposed to the current approach to treating specific symptoms.

We are also seeing non-pharmacological approaches emerge that have the potential to slow, stop, or even reverse Parkinson’s disease. These include:

  • Stem cell therapy
  • Gene therapy
  • Growth factors (e.g. glial-derived neurotrophic factor (GDNF))

Fundamental to the effort to create better treatments is the ability to diagnose Parkinson’s disease early and accurately. Early initiation of treatment in patients with Parkinson’s disease is believed to provide a better opportunity to slow disease progression, delay or reduce motor and non-motor symptoms, and limit the deterioration of patient quality of life.

Pioneering AI-Enabled Precision Diagnosis

At Altoida, we are building the world’s-first Precision Neurology platform and app-based medical device—backed by 11 years of clinical validation—to accelerate and improve drug development, neurological disease research, and patient care.

By completing a 10-minute series of augmented reality and motor activities designed to simulate complex Activities of Daily Living on a smartphone or tablet, Altoida’s device extracts and provides robust measurements of neurocognitive function across 13 neurocognitive domains. Our device measures and analyzes nearly 800 multimodal cognitive and functional digital biomarkers. Through the collection of highly granular data from integrated smartphone or tablet sensors, Altoida’s device produces comprehensive neurocognitive domain scores. This data can be tracked longitudinally to reveal trends and patterns while flagging concerning ones.

This method, along with our innovative artificial intelligence, will pioneer fully digital predictive neurological disease diagnosis. In 2021, our device received Breakthrough Device designation by the FDA. Altoida's platform has demonstrated the ability to predict conversion from Mild Cognitive Impairment to Alzheimer's disease with a high degree of accuracy

Currently, we are working to enable early and accurate diagnosis of Parkinson’s disease through AI-powered precision diagnosis. Our technology will be utilized to monitor disease progression as well as to measure therapeutic response in Parkinson’s disease patients.

To learn more about the history of Parkinson’s disease or about utilizing Altoida’s Precision Neurology platform, contact us today.

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