Clinical trial • Phase II|Phase IV • Psychiatry
SODIUM OXYBATE for Sleep disturbance
Phase II|Phase IV trial of SODIUM OXYBATE for Sleep disturbance.
Overview
- Trial Therapeutic Area
- Psychiatry
- Trial Disease
- Sleep disturbance
- Trial Stage
- Phase II|Phase IV
- Drug Modality
- Small molecule
Key dates
- Initial CTIS Submission Date
- 19-12-2025
- First CTIS Authorization Date
- 28-04-2026
Trial design
Randomised, placebo: nacl 0.9% (placebo). test product: gamma-oh 200 mg/ml solution injectable (iv) (sodium oxybate) — max daily dose reported 9.5 g; specific dosing schedule not specified in available data.-controlled Phase II|Phase IV trial across 1 site in France.
- Randomised
- Yes
- Comparator
- Placebo: NaCl 0.9% (placebo). Test product: GAMMA-OH 200 mg/ml solution injectable (IV) (sodium oxybate) — max daily dose reported 9.5 g; specific dosing schedule not specified in available data.
- Target Sample Size
- 24
- Trial Duration For Participant
- 1
Eligibility
Recruits 24 Vulnerable populations are not selected. Patients under legal protection (guardianship, curatorship, or judicial protection) are excluded. Informed consent must be obtained from the patient (subject information and informed consent form available for adults)..
- Pregnancy Exclusion
- Positive pregnancy test for women of childbearing age or breastfeeding
- Vulnerable Population
- Vulnerable populations are not selected. Patients under legal protection (guardianship, curatorship, or judicial protection) are excluded. Informed consent must be obtained from the patient (subject information and informed consent form available for adults).
Inclusion criteria
- {"criterion_text":"- Aged 18 years or older"}
- {"criterion_text":"- Hospitalized in the ICU for more than 48 hours"}
- {"criterion_text":"- Informed consent obtained from the patient"}
Exclusion criteria
- {"criterion_text":"- Unstable patient"}
- {"criterion_text":"- Lack of social security or on AME (state medical aid)"}
- {"criterion_text":"- Participation in another interventional clinical trial related to the management of sleep disorders, delirium, or sedation in the ICU."}
- {"criterion_text":"- Known allergy to Gamma-Hydroxybutyrate or any of the exipients"}
- {"criterion_text":"- Technical impossibility of performing polysomnography"}
- {"criterion_text":"- Positive pregnancy test for women of childbearing age or breastfeeding"}
- {"criterion_text":"- Patient already included in this study"}
- {"criterion_text":"- History of chronic alcoholism"}
- {"criterion_text":"- Uncontrolled epilepsy despite appropriate antiepileptic treatment"}
- {"criterion_text":"- Recent head trauma or neurological injury"}
- {"criterion_text":"- Severe hypertension: SBP > 180 mmHg despite antihypertensive treatment"}
- {"criterion_text":"- Hypokalemia < 3.5 mmol/L despite potassium supplementation"}
- {"criterion_text":"- Patients with known or suspected succinic semialdehyde dehydrogenase (SSADH) deficiency, given the risk of GHB accumulation due to impaired endogenous metabolism"}
- {"criterion_text":"- Patients receiving opioids or barbiturates at inclusion for non-mechanically ventilated patient"}
- {"criterion_text":"- Patients presenting with hypernatraemia (sodium > 145 mmol/L) or hyperchloraemia (chloride > 110 mmol/L) at inclusion"}
- {"criterion_text":"- Patients with hepatic impairment (Child-Pugh B or C)"}
- {"criterion_text":"- Cardiac conduction disorder"}
- {"criterion_text":"- Obstructive sleep apnea syndrome"}
- {"criterion_text":"- Sodium restriction: Salt intake < 3g/24h"}
- {"criterion_text":"- Deep sedation defined by a RASS score < -2"}
- {"criterion_text":"- Presence of mental confusion: Positive CAM-ICU"}
- {"criterion_text":"- Moribund patient or high likelihood of death within 48 hours"}
- {"criterion_text":"- Legal protection: guardianship, curatorship, or judicial protection"}
- {"criterion_text":"- Patients receiving barbiturates at inclusion"}
Endpoints
Primary endpoints
- {"endpoint_text":"- The primary endpoint is the duration (in minutes) of deep slow-wave sleep (N3 stage) based on polysomnographic recordings","definition_or_measurement_approach":"Measured by polysomnographic recordings (duration in minutes of N3 stage)"}
Secondary endpoints
- {"endpoint_text":"- 1) Quantity and quality of nocturnal sleep. •Sleep onset latency •\tTotal sleep time •Duration and percentage of N1 stage (sleep onset). •\tDuration and percentage of N2 stage (light slow-wave sleep). •\tPercentage of N3 stage (deep slow-wave sleep). •\tDuration and percentage of Rapid Eye Movement sleep (REM). •\tQuantification of intra-sleep wakefulness. •\tQuantification of atypical sleep. •Quantification of pathological wakefulness •Quantification of micro-awakenings. •\tSleep efficiency","definition_or_measurement_approach":"Evaluated by questionnaire (Richard-Campbell sleep questionnaire) and polysomnography; includes sleep onset latency, total sleep time, stage durations/percentages, intra-sleep wakefulness, atypical sleep, micro-awakenings, sleep efficiency."}
- {"endpoint_text":"- Quality of daytime alertness: •\tDaytime vigilance score (Karolinska Sleepiness scale) •\tAverage sleep latency during the Maintenance of Wakefulness Test (MWT) the morning after the study night","definition_or_measurement_approach":"Daytime vigilance assessed by Karolinska Sleepiness Scale and average sleep latency measured by Maintenance of Wakefulness Test (MWT)."}
- {"endpoint_text":"- Analgesic consumption and participation in rehabilitation: •Morphine equivalent quantification •Assessment of rehabilitation participation","definition_or_measurement_approach":"Analgesic consumption quantified as morphine-equivalent; participation in rehabilitation assessed by predefined participation metrics."}
- {"endpoint_text":"- Evaluation of adverse events, particularly hypokalemia, hypernatremia, mental confusion, agitation, arterial hypertension, or bradycardia","definition_or_measurement_approach":"Assessment and recording of adverse events, with focus on listed events (hypokalemia, hypernatremia, mental confusion, agitation, arterial hypertension, bradycardia)."}
Recruitment
- Planned Sample Size
- 24
- Recruitment Window Months
- 17
- Consent Approach
- Informed consent must be obtained from the patient. Subject information and informed consent form for adults are available (document L1_SIS and ICF adults). Documents/translations available in French. Patients under legal protection are excluded.
Geography
- Total Number Of Sites
- 1
- Total Number Of Participants
- 24
France
- Earliest CTIS Part Ii Submission Date
- 02-04-2026
- Latest Decision Or Authorization Date
- 28-04-2026
- Processing Time Days
- 26
- Number Of Sites
- 1
- Number Of Participants
- 24
Sites
- Site Name
- Assistance Publique Hopitaux De Paris
- Department Name
- Intensive Care Unit
- Principal Investigator Name
- Florian BLANCHARD
- Principal Investigator Email
- florian.blanchard@aphp.fr
- Contact Person Name
- Florian BLANCHARD
- Contact Person Email
- florian.blanchard@aphp.fr
Sponsor
Primary sponsor
- Full Name
- Assistance Publique Hopitaux De Paris
- Organisation Type
- Hospital/Clinic/Other health care facility
- Country Of Registered Address
- France
Investigational products
- Investigational Product Name
- GAMMA-OH 200 mg/ml, solution injectable (IV)
- Active Substance
- SODIUM OXYBATE
- Modality
- Small molecule
- Routes Of Administration
- Intravenous
- Route
- Intravenous
- Authorisation Status
- Authorised (marketing authorisation number 560 739-1, France)
- Maximum Dose
- 9.5 g per day
- Investigational Product Name
- NaCl 0.9%
- Modality
- Small molecule
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