An Exploratory Study of the Potential for Rational Immune System Manipulation to Prevent Emergenc… (NCT06996652) | Clinical Trial Compass
RecruitingPhase 2
An Exploratory Study of the Potential for Rational Immune System Manipulation to Prevent Emergence of Synucleinopathy Manifestations in Persons With REM Sleep Behavior Disorder (RBD)
United States, Canada108 participantsStarted 2026-07-15
Plain-language summary
This is a phase 2 study to assess the ability of adalimumab as compared to placebo to reduce or prevent progression of synuclein-related neurodegeneration in persons with idiopathic REM Sleep Behavior Disorder (RBD). The Primary Endpoint will be change from baseline in expression of the Parkinson Disease Related Pattern (PDRP) will be assessed using change in 18-flurodeoxyglucose (FDG) Positron Emission Tomography (PET) imaging.
Who can participate
Age range
50 Years – 80 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion criteria
. post-menopausal or otherwise not of child-bearing potential, defined as either 1) having had no menses for 12 or months without an alternative medical cause or explanation or 2) having undergone a surgical procedure (hysterectomy, bilateral tubal ligation) that prevents conception, or
. practicing adequate contraception. Female participants of childbearing potential must practice at least 1 protocol-specified method of birth control, that is effective from 30 days before baseline (or earlier) through at least 150 days after the last dose of the study drug. Female participants of non-childbearing potential do not need to use birth control.
. women of childbearing potential must have a negative urine pregnancy test prior to enrollment, and agree to undergo a pregnancy test at each study visit. Women with a positive pregnancy test at screening or at any subsequent study visit will be withdrawn from the study.
. History of Dream Enactment Behavior during sleep and
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Change in Parkinson Disease Related Pattern (PDRP) expression
. Evidence of REM sleep without muscle atonia based upon polysomnogram obtained in a qualified sleep laboratory, consistent with ICSD-3 Diagnostic Criteria for RBD
Exclusion criteria
. Large vessel stroke
. Peripheral or CNS demyelinating disease
. Chronic and/or recurrent fungal, bacterial or opportunistic infections
. Myocardial infarction or unstable angina within the previous 12 months
. Clinically relevant or significant ECG abnormalities, including ECG with QT interval corrected for heart rate using Fridericia's formula (QT interval corrected for heart rate using Fridericia's formula) \> 450 msec (males) or \> 470 msec (females).
. Congestive heart failure, NYHA Class 3 or 4
. Autoimmune disease (e.g., Systemic Lupus Erythematosis (SLE), or symptoms suggestive of a lupus-like syndrome, multiple sclerosis, rheumatoid arthritis, Type 1 diabetes mellitus, inflammatory bowel disease, psoriasis, etc.)
. Immunocompromised systemically due to continuing effects of immune suppressing medication