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Eye scans and voice tests may spot Parkinson's without needles

NCT ID NCT07201610

Diagnosis Sponsor: Blekinge Institute of Technology Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study explores painless ways to diagnose Parkinson's disease using advanced eye imaging, memory tests, and voice analysis. Researchers will compare results from 60 people with and without Parkinson's to see if these methods can accurately identify the disease. The goal is to replace invasive spinal taps with simple, office-based tests.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Oct 2025

An estimate. Start dates often move.

Expected to finish

Dec 2025

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Thirty consecutive patients with a diagnosis of idiopathic Parkinson's disease who are scheduled for routine follow-up visits at the Neurology Clinic in Karlskrona. After patient recruitment, 30 healthy controls matched by age and gender (1:1 matching) will be recruited from Blekinge Institute of Technology's (BTH) Research and Development Clinic. At the clinic, there is a list/mailbox where individuals can volunteer to participate in studies. The participants who best match the included Parkinson's patients will be invited to take part

Ages

60 to 80 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion criteria for Parkinson's group: * Age 60-80 years * Diagnosis of idiopathic Parkinson's disease * Ability to understand spoken and written Swedish * Ability to personally provide consent to participate in the study * At least one healthy eye for retinal photography Inclusion criteria for control group: * Age 60-80 years * Ability to understand spoken and written Swedish * Ability to personally provide consent to participate in the study * At least one healthy eye for retinal photography * Healthy as defined below Exclusion criteria: * At least one eye must not have retinal disease, glaucoma, or vascular eye disease (such as embolism) * Angle-closure glaucoma or other contraindication to mydriatic drops * Low functional ability that makes participation in examinations impossible * Diagnosed dementia * Specifically for the control group: Not healthy according to the definition below Definition of healthy: * No diagnosed or suspected Parkinson's disease * No diagnosed or suspected cognitive disease * No psychiatric disease affecting cognition (e.g., psychotic disorder or major depression) * Cognitive testing with MMSE ≥ 26 points (out of a maximum of 30) and ≥ 8 points on the clock-drawing test

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Conditions

The condition(s) this trial relates to.

Lewy Body Disease Parkinson disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Parkinsons disease (PD)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

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