- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03148899
Impact of Oxytocin on Obstructive Sleep Apnea Induced Changes in Sleep
In human volunteers intranasal administration of oxytocin significantly increases parasympathetic and decreases sympathetic cardiac control. OSA is a very prevalent disease with high cardiovascular risk factors, yet this disease remains very poorly treated.
This proposal, based on the current literature and new basic science results detailed above on the role of oxytocin in cardiovascular control, will test if oxytocin administration improves adverse cardiovascular events during the recurrent nocturnal apneas in patients with OSA. This project will lay the groundwork and provide preliminary data to obtain NIH funding to test this important hypotheses more thoroughly and in larger clinical trials.
This study will explore if intranasal oxytocin has any positive cardiovascular benefits in patients with sleep apnea.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Obstructive Sleep Apnea (OSA) is a major, yet poorly understood cardiovascular health risk that occurs in as many as 24% of males and 9% of females within the US population. OSA can participate in both the initiation and progression of several cardiovascular diseases including sudden death, hypertension, arrhythmias, myocardial ischemia and stroke.
Many of the adverse cardiovascular consequences of OSA are thought to be associated with a diminished cardiac vagal activity, as parasympathetic cardiac vagal activity is typically cardio-protective. Intranasal administration of oxytocin has been shown to significantly increase parasympathetic and decrease sympathetic cardiac control. In this research study, the effect oxytocin has on changes in heart rate or other Polysomnography (PSG) measures in a group of patients that have recently been diagnosed with OSA will be examined.
OSA is typically diagnosed through a polysomnography, a comprehensive recording of the biophysiological changes that occur during sleep. The PSG monitors many body functions including brain (EEG), eye movements (EOG), muscle activity or skeletal muscle activation (EMG) and heart rhythm (ECG) during sleep, respiratory airflow, respiratory effort, pulse oximetry etc.
In this research study, subjects who have recently been diagnosed with OSA will undergo two research study PSGs. Before the first study PSG, subjects will be randomized to receive either Oxytocin (40 IU) or placebo, in a blinded manner, prior to beginning the test. The PSG will then continue as usual, and subject data pertaining to the PSG will be gathered. Subjects will then return within 4 weeks for a second research PSG, where one hour before the test they will receive the opposite intervention that they did not received during the first research PSG study. Data measurements will be re-measured and compared between the two PSGs.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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District of Columbia
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Washington, District of Columbia, United States, 20037
- The GW Medical Faculty Associates
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Men or women 18 years old or older of any ethnic background
- Subjects that have recently undergone a standard "in the sleep-lab" diagnostic polysomnography (per standard of care medical guidelines), or the "at home" diagnostic test, and have been diagnosed with OSA
Exclusion Criteria:
- Pregnant or Breastfeeding women
- Women of Child Bearing Potential who are not willing to undergo methods to prevent pregnancy
- Subjects who are on medications that affect cardiac autonomic function (eg. Beta Blockers)
- Active smokers
- Subjects who are unable to read or answer questions in the English language
Study Plan
How is the study designed?
Design Details
- Primary Purpose: OTHER
- Allocation: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: TRIPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Visit 1 Randomization
At visit 1 (PSG 1) subjects will receive one of two interventions: either Oxytocin Intranasal Spray (40 IU) or Placebo Intranasal Spray.
Subjects will be blinded as to which drug they are receiving.
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In human volunteers intranasal administration of oxytocin significantly increases parasympathetic and decreases sympathetic cardiac control.
In addition to the classic effects of oxytocin on uterine contraction and milk ejection, recent work indicates oxytocin is present in both males and females and has an important role in both behavior and cardiovascular homeostasis, particularly during anxiety and stress.
Other Names:
The placebo has been compounded to be an inactive, blinded comparative to the oxytocin nasal spray.
Other Names:
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EXPERIMENTAL: Visit 2: Crossover Randomization
At visit 2 (PSG 2) subjects will receive the opposite intervention from the one they received at visit 1: either Oxytocin Intranasal Spray (40 IU) or Placebo Intranasal Spray.
Subjects will be blinded as to which drug they are receiving.
|
In human volunteers intranasal administration of oxytocin significantly increases parasympathetic and decreases sympathetic cardiac control.
In addition to the classic effects of oxytocin on uterine contraction and milk ejection, recent work indicates oxytocin is present in both males and females and has an important role in both behavior and cardiovascular homeostasis, particularly during anxiety and stress.
Other Names:
The placebo has been compounded to be an inactive, blinded comparative to the oxytocin nasal spray.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Duration of Obstructive Events
Time Frame: Assessed on Visit 1- Day 1, Visit 2- Day 29
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Assessed on Visit 1- Day 1, Visit 2- Day 29
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Respiratory Rate
Time Frame: Assessed on Visit 1- Day 1, Visit 2- Day 29
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Assessed on Visit 1- Day 1, Visit 2- Day 29
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Incidence Proportion of Bradycardia
Time Frame: Assessed on Visit 1- Day 1, Visit 2- Day 29
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Event-associated bradycardias were identified as a heart rate reduction of 5 bpm or more from the average heart rate during the 5 s preceding an event to the lowest heart rate either during an event or within 5 s immediately after an event. Incidence proportion, or risk, of bradycardia was calculated as follows: the number of events that resulted in bradycardia divided by the total number of events. This analysis was done using custom MATLAB (MathWorks) code to study heart rate and peripheral capillary oxyhemoglobin saturation (SPO2) before and after apnea and hypopnea events. |
Assessed on Visit 1- Day 1, Visit 2- Day 29
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O2 Minimum
Time Frame: Assessed on Visit 1- Day 1, Visit 2- Day 29
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Assessed on Visit 1- Day 1, Visit 2- Day 29
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: David Mendelowitz, The George Washington University
Publications and helpful links
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- GWU_IRB_041333
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
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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