Sleep Disorders Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
People with a sleep condition called RBD (REM Sleep Behaviour Disorder):
- A sleep study has confirmed the RBD diagnosis according to recognised medical guidelines
- The person does not have a diagnosis of Parkinson's disease
- The person is aged between 50 and 100 years old
- Women under 55 who have not yet reached menopause will need to take a pregnancy test before certain scan procedures
- The person is able to give informed consent to take part
- The person speaks and understands Swedish well enough to complete study information and thinking/memory tests without an interpreter
People with early Parkinson's disease:
- The person has been diagnosed with Parkinson's disease according to recognised medical guidelines
- The person is either not yet on any Parkinson's treatment, or has been on treatment for no more than 3 years
- The person is aged between 50 and 100 years old
- Women under 55 who have not yet reached menopause will need to take a pregnancy test before certain scan procedures
- The person is able to give informed consent to take part
- The person speaks and understands Swedish fluently
Healthy volunteers (control group):
- The person is aged between 50 and 100 years old
- Women under 55 who have not yet reached menopause will need to take a pregnancy test before certain scan procedures
- The person does not have a diagnosis of Parkinson's disease or any other significant neurological condition
- The person does not have a diagnosis of RBD
- The person is able to give informed consent to take part
- The person speaks and understands Swedish fluently
Who may not be able to join:
- People with a history of serious or repeated head injuries, stroke, significant ongoing physical illness, or an unstable medical condition
- People with a history of severe and unstable depression, schizophrenia, schizoaffective disorder, or bipolar disorder
- People with significant damage to the small blood vessels in the white matter of the brain (confirm with trial site)
- People for whom MRI or PET scans are not medically safe or suitable
- People in the early Parkinson's disease group whose brain dopamine transporter scan result comes back as normal
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Erik Stomrud, MD, PhD, Skane University Hospital and Lund University
Phone: +46 40 33 10 00
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Longitudinal Changes in Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS); Longitudinal Changes in Mini-Mental State Examination (MMSE); Time to phenoconversion from iRBD to manifest parkinsonian disorders
Can't join this trial?
Data last synced from ClinicalTrials.gov: 14 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.