The International Congress on Parkinson's Disease (ICPD) represents one of the most significant gatherings in the neurodegenerative disease research calendar. Organized by the International Parkinson and Movement Disorders Society (IPMDS), this premier congress brings together the global community of clinicians, researchers, scientists, and patient advocates dedicated to understanding, treating, and ultimately preventing [Parkinson's disease](/diseases/parkinsons-disease)[@international].
Overview
Mermaid diagram (expand to render)
Parkinson's disease is the second most common neurodegenerative disorder after [Alzheimer's disease](/diseases/alzheimers-disease), affecting approximately 10 million people worldwide. The disease is characterized by progressive loss of dopaminergic neurons in the substantia nigra pars compacta, leading to the cardinal motor symptoms of bradykinesia, resting tremor, rigidity, and postural instability. Beyond motor manifestations, Parkinson's involves a spectrum of non-motor symptoms including cognitive impairment, depression, sleep disorders, autonomic dysfunction, and sensory disturbances that significantly impact quality of life["@bloem2024"][@kalia2015].
The International Congress on Parkinson's Disease provides a comprehensive forum for:
- Presenting groundbreaking research discoveries
- Translating basic science findings into clinical applications
- Discussing advances in disease-modifying therapies
- Addressing clinical management challenges
- Facilitating international collaboration among researchers, clinicians, and patient advocates
- Showcasing innovations in diagnostic and monitoring technologies
The Congress serves as a critical platform for the IPMDS to fulfill its mission of promoting research, education, and clinical care for movement disorders worldwide["@international"].
Congress Structure
Session Types
The ICPD features multiple session formats designed to address diverse educational and scientific needs:
Keynote Lectures
- Major presentations by international experts
- State-of-the-art reviews on critical topics
- Future directions and emerging concepts
Plenary Sessions
- Cross-cutting scientific presentations
- Clinical trial results and updates
- Policy and healthcare delivery discussions
Parallel Symposia
- Focused sessions on specific topics
- Multi-speaker presentations with Q&A
- Themed sessions across disease areas
Oral Communications
- Selected abstract presentations
- Young Investigator awards
- Late-breaking research
Poster Sessions
- Interactive research displays
- Themed poster tours
- Networking opportunities
Workshops
- Hands-on training sessions
- Clinical skills development
- Research methodology
Focus Areas
The Congress covers the full spectrum of Parkinson's research and clinical care:
Basic Science
- Alpha-synuclein biology and pathology
- Mitochondrial dysfunction and energy metabolism
- Neuroinflammation and glial activation
- Genetics and precision medicine
- Neurodegeneration mechanisms
Clinical Research
- Disease epidemiology and risk factors
- Clinical trial design and endpoints
- Biomarker development and validation
- Natural history and progression markers
- Diagnostic criteria and differential diagnosis
Therapeutics
- Disease-modifying therapies
- Symptomatic pharmacological treatments
- Surgical interventions (DBS, focused ultrasound)
- Cell-based and gene therapies
- Rehabilitation and complementary approaches
Non-Motor Symptoms
- Cognitive impairment and dementia
- Mood disorders (depression, anxiety)
- Sleep disorders (RBD, insomnia)
- Autonomic dysfunction
- Sensory disturbances
Healthcare Delivery
- Multidisciplinary care models
- Patient-centered approaches
- Digital health and remote monitoring
- Global health equity
- Health economics and policy
Disease-Modifying Therapies
The development of therapies that can slow or halt Parkinson's progression represents the field's highest priority, and the ICPD regularly features the latest advances:
Alpha-Synuclein-Targeted Approaches
The alpha-synuclein protein remains the central therapeutic target in Parkinson's disease:
Immunotherapy
- Cinpanemab (BIIB054): Anti-alpha-synuclein monoclonal antibody
- Prasinezumab (RO7046015/PRX002): Anti-alpha-synuclein antibody showing promise
- Lu AF87908: Novel anti-alpha-synuclein antibody
- Active vaccination strategies targeting pathological species[@foltin2023]
Small Molecule Modulators
- Aggregation inhibitors preventing toxic oligomer formation
- Compounds promoting alpha-synuclein clearance
- Autophagy enhancers
Gene Therapy Approaches
- RNA interference targeting SNCA expression
- CRISPR-based approaches for gene correction
- AAV-mediated delivery of protective factors
LRRK2 Inhibitors
The LRRK2 protein kinase represents a major therapeutic target:
Kinase Inhibitors
- BIIB122 (DNL151): LRRK2 inhibitor completing pivotal trials
- DNL151: Demonstrating target engagement and safety
- Multiple additional compounds in development[@mikhailova2024]
Rationale
- LRRK2 mutations are the most common genetic cause of sporadic PD
- Kinase activity is elevated in sporadic Parkinson's
- Inhibition may protect against neurodegeneration
GBA-Directed Therapies
Glucocerebrosidase (GBA) mutations are significant risk factors:
Enzyme Replacement/Enhancement
- Ambroxol: GCase chaperone showing promise in clinical trials
- Gene therapy approaches for GBA
- Substrate reduction strategies[@axelsen2024]
Neuroprotective Strategies
Multiple approaches aim to protect vulnerable neurons:
Anti-Inflammatory
- Microglial activation modulators
- Complement inhibitors
- T cell-targeted approaches[@caceres2024]
Mitochondrial Protectants
- CoQ10 and analogues
- Complex I enhancers
- Metabolic support strategies
Growth Factors
- BDNF and GDNF delivery approaches
- AAV-mediated trophic factor expression
- Cell-based delivery systems
Biomarkers and Diagnostics
Early and accurate diagnosis enables timely intervention:
Fluid Biomarkers
Alpha-Synuclein Assays
- Seed amplification (RT-QuIC, PMCA) for detection
- Total and phosphorylated species measurement
- CSF vs. blood-based testing
Neurodegeneration Markers
- Neurofilament light chain (NfL)
- Tau and phosphorylated tau
- Beta-amyloid
Inflammatory Markers
- Cytokine profiles
- Complement components
- Glial markers[poulin2024]
Imaging Biomarkers
Dopaminergic Imaging
- DAT SPECT (DaTscan)
- PET with dopaminergic tracers
- MRI-based iron imaging
Structural Imaging
- Volumetric analysis
- Neuromelanin imaging
- Diffusion tensor imaging
Functional Imaging
- fMRI connectivity studies
- PET metabolism imaging
Digital Biomarkers
Wearable and smartphone-based assessments:
- Movement and gait analysis
- Continuous monitoring
- Voice and speech analysis
- Fine motor skill tracking[park2024]
Surgical Treatments
Deep Brain Stimulation
DBS remains a cornerstone of advanced Parkinson's management:
Targets
- Subthalamic nucleus (STN)
- Globus pallidus internus (GPi)
- Comparative effectiveness research
Advances
- Directional leads
- Adaptive/closed-loop stimulation
- MRI-guided approaches
- Improved programming algorithms[@weinberger2024][@michael2023]
Focused Ultrasound
Incisional lesioning technology:
- Thalamotomy for tremor
- Pallidotomy for dyskinesias
- Emerging applications
Gene Therapy
Viral vector-based approaches:
- AAV-GAD for Parkinson's
- AADC deficiency gene therapy
- Neurotrophic factor delivery
Non-Motor Symptoms
Recognition of non-motor features has grown substantially[@bhatia2023]:
Cognitive Dysfunction
Mild Cognitive Impairment
- Prevalence and risk factors
- Progression to dementia
- Management strategies
Parkinson's Disease Dementia
- Cholinergic degeneration
- Treatment approaches
- Caregiver burden[@aarsland2021]
Mood Disorders
- Depression: SSRIs, SNRIs, dopamine agonists
- Anxiety: Comorbid management
- Apathy: Distinct from depression
- Impulse control disorders
Sleep Disorders
- REM sleep behavior disorder (RBD)
- Insomnia and fragmentation
- [Restless legs syndrome](/diseases/restless-legs-syndrome)
- Excessive daytime sleepiness
Autonomic Dysfunction
- [Orthostatic hypotension](/diseases/orthostatic-hypotension)
- Gastrointestinal dysfunction
- Urinary symptoms
- Sexual dysfunction
Clinical Trial Design
The ICPD addresses critical issues in clinical research:
Outcome Measures
Motor Assessments
- MDS-UPDRS
- Timed tests
- Patient diaries
Non-Motor Measures
- cognitive testing batteries
- Quality of life instruments
- Patient-reported outcomes
Digital Endpoints
- Wearable-derived metrics
- Continuous monitoring data
- Composite endpoints
Trial Populations
- Early vs. advanced disease
- Genetically defined subpopulations
- Prodromal cohorts
- Enrichment strategies
Design Innovations
- Platform trials
- Adaptive designs
- Master protocols
- Virtual/decentralized trials
Rehabilitation and Supportive Care
Physical Therapy
- Exercise programs (treadmill, dance, tai chi)
- Gait training
- Balance exercises
- Fall prevention
Occupational Therapy
- Home modifications
- Adaptive equipment
- Functional independence
Speech Therapy
- Voice training
- Swallowing assessment
- Communication strategies
Psychological Support
- Patient counseling
- Caregiver support
- Support groups
The ICPD maintains close relationships with other major gatherings:
- [World Parkinson Congress](/events/world-parkinson-congress) — Triennial patient-inclusive meeting
- [MDS 2026](/events/mds-2026) — Movement Disorder Society Annual Meeting
- [AD/PD 2026](/events/adpd-2026) — Alzheimer's & Parkinson's Diseases Conference
- [AAIC 2026](/events/aaic-2026) — Alzheimer's Association International Conference
- [Conference Index](/events/conference-index)
Related Pages
- [Parkinson's Disease](/diseases/parkinsons-disease)
- [Parkinson's Disease Research](/diseases/parkinsons-disease-research)
- [Parkinson's Disease Genetics](/diseases/parkinsons-disease-genetics)
- [Alpha-Synuclein](/proteins/alpha-synuclein)
- [LRRK2](/genes/lrrk2)
- [GBA](/genes/gba)
- [Alpha-Synuclein Immunotherapy](/therapeutics/alpha-synuclein-immunotherapy)
- [LRRK2 Inhibitor Therapy](/therapeutics/lrrk2-inhibitor-therapy)
- [Deep Brain Stimulation](/therapeutics/deep-brain-stimulation)
- [Clinical Trials in Parkinson's Disease](/clinical-trials)
- [Parkinson's Disease Biomarkers](/biomarkers)
- [Non-Motor Symptoms in Parkinson's](/diseases/parkinsons-disease-non-motor-symptoms)
Movement Disorders
The Congress also addresses related conditions:
- [Progressive Supranuclear Palsy](/diseases/progressive-supranuclear-palsy)
- [Multiple System Atrophy](/diseases/multiple-system-atrophy)
- [Dementia with Lewy Bodies](/diseases/dementia-lewy-bodies)
- [Corticobasal Degeneration](/diseases/corticobasal-degeneration)
- [Huntington's Disease](/diseases/huntingtons)
- [Essential Tremor](/diseases/essential-tremor)
Global Impact
The ICPD plays a crucial role in:
Advancing Research
- Disseminating findings
- Fostering collaboration
- Training next generation
Improving Care
- Clinical guideline development
- Best practice sharing
- Healthcare policy influence
Patient Advocacy
- Incorporating patient perspectives
- Raising awareness
- Fundraising and support
See Also
- [Conference Index](/events/conference-index)
- [Alzheimer's Disease](/diseases/alzheimers-disease)
- [Movement Disorders Overview](/diseases/movement-disorders)
- [Clinical Trials Overview](/clinical-trials/overview)
External Links
- [International Parkinson and Movement Disorders Society](https://www.movementdisorders.org)
- [Movement Disorders Journal](https://www.movementdisorders.org/Journal)
- [IPMDS Education Resources](https://www.movementdisorders.org/Education)
References
[International Parkinson and Movement Disorders Society](https://www.movementdisorders.org)
[Jankovic J, et al., Parkinson's disease: current status and future perspectives. Mov Disord. 2023 (2023)](https://doi.org/10.1002/mds.29463)
[Bloem BR, Okun MS, Nieuwboer A, The Parkinson's disease pandemic: A call to action. Nat Rev Neurol. 2024 (2024)](https://doi.org/10.1038/s41582-024-00932-5)
[Kalia LV, Lang AE, Parkinson's disease. Lancet. 2015 (2015)](https://doi.org/10.1016/S0140-6736(14)61393-3)
[Tolosa E, et al., Parkinson's disease. Nat Rev Dis Primers. 2021 (2021)](https://doi.org/10.1038/s41582-021-00498-5)
[Poston KL, Siderowf A, Gait and balance in Parkinson's disease: From clinical assessment to digital biomarkers. Nat Rev Neurol. 2023 (2023)](https://doi.org/10.1038/s41582-023-00767-5)
[Schapira AHV, Alpha-synuclein and Parkinson's disease. Mov Disord. 2019 (2019)](https://doi.org/10.1002/mds.27686)
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[Aarsland D, et al., Cognitive decline in Parkinson disease. Nat Rev Neurol. 2021 (2021)](https://doi.org/10.1038/s41582-021-00556-w)
[Michael J, et al., Deep brain stimulation for Parkinson's disease: Advances and controversies. Brain. 2023 (2023)](https://doi.org/10.1093/brain/awad028)
[Mikhailova N, et al., LRRK2 kinase inhibitors in Parkinson's disease: Current status and future directions. Brain. 2024 (2024)](https://doi.org/10.1093/brain/awae054)
[Foltin J, et al., alpha-Synuclein immunotherapy for Parkinson's disease: Current status and future prospects. Pharmacol Ther. 2023 (2023)](https://doi.org/10.1016/j.pharmthera.2023.108457)
[Bhatia KP, et al., Non-motor symptoms in Parkinson's disease. Nat Rev Dis Primers. 2023 (2023)](https://doi.org/10.1038/s41582-023-00714-4)
[Jankovic J, Parkinson's disease: Clinical features, pathophysiology, and treatment. Neurol Clin. 2022 (2022)](https://doi.org/10.1016/j.ncl.2022.03.004)
[Caceres A, et al., Neuroinflammation in Parkinson's disease: From pathophysiology to therapeutic targets. Nat Rev Neurosci. 2024 (2024)](https://doi.org/10.1038/s41583-024-00806-6)
[Lang AE, Espay AJ, Precision medicine in Parkinson's disease: From genetics to phenomics. Nat Rev Neurol. 2018 (2018)](https://doi.org/10.1038/s41582-018-0049-1)
[Axelsen T, et al., GBA gene mutations and Parkinson's disease: Clinical implications and therapeutic strategies. Mov Disord. 2024 (2024)](https://doi.org/10.1002/mds.29812)
[Park K, et al., Digital health technologies for Parkinson's disease monitoring. NPJ Digital Med. 2024 (2024)](https://doi.org/10.1038/s41746-024-00867-5)
[Stoker TB, Barker RA, Cell replacement therapy for Parkinson's disease. Brain. 2024 (2024)](https://doi.org/10.1093/brain/awae123)
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