- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04690504
Validation of Circadian Biomarkers in Patients With Sleep Disorders
Proteomic and Transcriptomic Biomarkers of Circadian Timing - Validation of Circadian Biomarkers in Patients With Sleep Disorders
Current methods for assessing circadian timing require sampling over hours (or even up to a day) while the patient is in controlled conditions. The investigators aim to develop a method that can estimate individual circadian time with a single blood sample taken at any time of the day or night. To do this, the investigators will use two state of the art methods, a plasma proteomics-based method to identify a panel of rhythmic proteins (extending our preliminary data) and a whole blood-derived monocyte-based method using a panel of 15 transcripts (to validate and extend a recent study).
We will test both methods in a series of patients with circadian rhythm sleep disorders. We will validate separately the proteomics-based biomarker and the monocyte-based transcript biomarker, and also explore whether combining them can improve the accuracy of our timing estimates. In all cases, circadian phase estimates from the biomarker panels will be compared with those derived from plasma or saliva melatonin (the current "gold-standard" circadian phase marker).
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Adults who meet ICSD-3 criteria for Advanced Sleep Wake Phase Disorder or Delayed Sleep Wake Phase Disorder will be studied at Brigham and Women's Hospital and Stanford University.
The outpatient protocol will consist of two segments: clinic visit and in-home saliva sample collection. For the first segment, the patient participant will be scheduled for a daytime visit to the sleep clinic where they will have blood drawn for protein and monocyte analysis after having kept a sleep diary and worn a wrist activity monitor for at least 1 week. The patient participant will be provided with an at-home saliva sampling kit and instructed in its use, in particular how to maintain appropriate dim light conditions. For the second segment, the patient will be instructed to collect the series of saliva samples on that same evening, collecting a saliva sample each hour beginning 7 hours before their usual bedtime and ending one hour after their usual bedtime. As each sample is collected, the patient participant will document the tube number and clock time on a log that the investigators provide them, and the patient participant will store each sample in a zip lock bag in their home freezer until the next day. After waking the next day, the patient will pack their samples in the insulated shipping box they were provided, along with their sample collection log and freezer packs they were provided, and then they call a courier to pick up the box, which is sent directly to the assay facility.
Alternatively, patients may be given the opportunity to come for a single extended visit at the laboratory or clinic. This visit will include the blood sampling for protein and monocyte analysis, followed by 8 hours in which they remain in dim lighting conditions in the lab or clinic and provide a saliva sample each hour. The saliva sampling segment will begin 7 hours before their usual bedtime and ending one hour after their usual bedtime. After the final saliva sample the study will be over and the patient will be allowed to go home.
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Polina Davidenko
- Phone Number: 650-721-7552
- Email: pdaviden@stanford.edu
Study Contact Backup
- Name: Jeanne F Duffy, MBA, PhD
- Phone Number: 617-732-7995
- Email: JDUFFY@RESEARCH.BWH.HARVARD.EDU
Study Locations
-
-
Massachusetts
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Boston, Massachusetts, United States, 02115
- Recruiting
- Brigham and Women's Hospital
-
Contact:
- Audra Murphy, BS
- Phone Number: 617-525-8813
- Email: BodyClockStudy@research.bwh.harvard.edu
-
Contact:
- Noelia Ruiz-Herrera, PhD
- Phone Number: 617-525-8362
- Email: BodyClockStudy@research.bwh.harvard.edu
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- ICSD3 diagnosis of Advanced Sleep-Wake Phase Disorder or Delayed Sleep-Wake Phase Disorder
- otherwise healthy
Exclusion Criteria:
- history of drug or alcohol dependency
- a sleep disorder other than a circadian rhythm sleep disorder
- use of medications that interfere with melatonin production (e.g., beta blockers) within the past month
- night shift work (for ASWPD patients) or early morning starts (for DSWPD patients) in the prior 3 years
- recent (within 3 months) travel to a place 2 time zones or greater away from home
- acute or uncontrolled medical conditions
- major visual deficit
- active or uncontrolled psychological or psychiatric disorder
- use of exogenous melatonin or melatonin agonists within the past month
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Only
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
DLMO
Time Frame: Study Day 1
|
dim light melatonin onset, the time at which melatonin levels in the saliva rise above 3pg/mL
|
Study Day 1
|
BodyTime
Time Frame: Study Day 1
|
the time at which a series of rhythmic gene transcripts predict circadian phase
|
Study Day 1
|
PlasmaTime
Time Frame: Study Day 1
|
the time at which a series of rhythmic proteins predict circadian phase
|
Study Day 1
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Emmanuel Mignot, MD, PhD, Stanford University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Mental Disorders
- Pathologic Processes
- Nervous System Diseases
- Dyssomnias
- Neurologic Manifestations
- Disease
- Occupational Diseases
- Syndrome
- Sleep Wake Disorders
- Parasomnias
- Sleep Disorders, Circadian Rhythm
- Chronobiology Disorders
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Protective Agents
- Antioxidants
- Melatonin
Other Study ID Numbers
- 2020-P-000606
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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