TAKE PART IN RESEARCH
Research explained in everyday language. Explore what teams around the world are trying to learn, who can take part and how to get in touch.
See worldwide coverage and update dates ↓Studies with early results appear under “Results reported” even if recruitment continues.
Registry records retrieved 2026-10-14 (UTC). Individual records may have older updates. Recruitment and eligibility must be confirmed with the study team.
A location is a starting point. Ask the team whether that site is accepting people and whether you can take part from where you live.
Introductions are AI-written from the registry in everyday language and have not been independently checked by a clinician. Open any study for its full name, original description and participation rules.
Studies name Parkinson’s or a related condition. Some include other conditions or healthy volunteers. Country filters use sites with matching or unreported status. A country recorded by WHO does not confirm an open local site.
Germany
Researchers are checking how consistently a treadmill and virtual environment measure the ability to adapt walking.
Learning by observing or collecting information
Age 18 years and over · Ask the team who can join
Germany
Researchers are observing brushing to understand how Parkinson's symptoms affect cleaning teeth effectively.
Testing a treatment or activity
Age 18 years and over · Ask the team who can join
Germany
This study compares a programme involving several Parkinson's specialists with usual care outside hospital.
Testing a treatment or activity
Age 18 years and over · Ask the team who can join
Germany
This study investigates how deep brain stimulation affects the eyes' ability to work together at close range.
Learning by observing or collecting information
Age 18 years and over · Ask the team who can join
Germany
This study checks an assessment designed to identify difficulties with organising, planning and controlling actions in Parkinson's.
Learning by observing or collecting information
Ages 18 years to 90 years · Ask the team who can join
Germany
Researchers are examining metabolism, health and gut microbes in people with Parkinson's.
Learning by observing or collecting information
Age 20 years and over · Ask the team who can join
Germany
Researchers are using computer tasks to investigate how a brain area involved in movement influences decisions and actions.
Testing a treatment or activity
Ages 18 years to 80 years · Ask the team who can join
Germany
Researchers are studying how age at onset and genetic differences relate to progression and treatment outcomes.
Learning by observing or collecting information
Ages 18 years to 99 years · Ask the team who can join
Germany
This study checks whether a two-week StepIt training programme is practical for people with Parkinson's in hospital rehabilitation.
Testing a treatment or activity
Age 18 years and over · Ask the team who can join
Germany
This study evaluates a questionnaire using pictures to help describe emotional, mental and behavioural symptoms.
Learning by observing or collecting information
Ages 18 years to 90 years · Ask the team who can join
Germany
This study compares walking practice with music and sensor-based feedback in people with Parkinson's.
Testing a treatment or activity
Ages 40 years to 79 years · Ask the team who can join
Germany
Researchers are exploring benefits, difficulties and personal concerns about health-monitoring technology.
Testing a treatment or activity
Ages 18 years to 85 years · Ask the team who can join
Austria, Germany, Luxembourg, Spain
Researchers are using questionnaires and follow-up assessments to identify people who may be at higher risk of neurological disease.
Learning by observing or collecting information
Ages 50 years to 80 years · Ask the team who can join
Germany
This register tracks symptom control, quality of life and complications after treatments such as deep brain stimulation.
Learning by observing or collecting information
Age 18 years and over · Ask the team who can join
Germany
This study investigates how different stimulation settings relate to risk-taking and control of impulses in Parkinson's.
Testing a treatment or activity
Age 18 years and over · Ask the team who can join
Germany
People with Parkinson's and relatives complete digital questionnaires so researchers can follow changes in wellbeing over time.
Learning by observing or collecting information
Ages 30 years to 100 years · Ask the team who can join
Germany
Researchers are comparing sensor and movement-capture measurements while people with Parkinson's perform tasks.
Learning by observing or collecting information
Age 18 years and over · Ask the team who can join
Germany
This study compares active and simulated stimulation to investigate standing stability in Parkinson's.
Testing a treatment or activity
Ages 40 years to 85 years · Ask the team who can join
Germany
Researchers are following assessments that may help forecast changes early in Parkinson's and treatment responses later on.
Learning by observing or collecting information
Ages 18 years to 80 years · Ask the team who can join
Germany
This study investigates patterns of brain activity and their relationship to movement disorders and stimulation treatment.
Testing a treatment or activity
Ages 18 years to 80 years · Ask the team who can join
WORLDWIDE COVERAGE
Studies are imported from ClinicalTrials.gov, WHO’s international collection and the European CTIS registry. WHO brings together national and regional registries, including records from Asia, Africa and Latin America. Recruiting and upcoming listings have English introductions; older records awaiting an introduction show their registry title.
We aim for broad worldwide coverage, but no registry includes every study. Unregistered studies, reporting delays and missing translations can leave gaps. A missing paper does not mean that no results exist.
Import available
Last complete check: 2026-10-14
4690 related source records before matching duplicates
Import available
Last complete check: 2026-10-14
4384 related source records before matching duplicates
Import available
Last complete check: 2026-10-14
73 related source records before matching duplicates
These dates show when WHO processed a registry’s data, not when every study was last updated. WHO’s “not recruiting” label does not distinguish planned, completed and follow-up studies.
Source attribution: WHO ICTRP ↗. The source records and processing dates remain available on each study page. English registration fields are preferred; original descriptions may include local-language material. Registry imports and paper matching run daily. New or changed descriptions enter an editorial queue.