- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04388774
Low-Dose Ketamine in Children With ADNP Syndrome
A Phase 2A Open-Label Study Evaluating the Safety and Efficacy of Low-Dose Ketamine in Children With ADNP Syndrome
Study Overview
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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New York
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New York, New York, United States, 10029
- Icahn School of Medicine at Mount Sinai
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- 5 to 12 years old (inclusive) at the time of informed consent;
- Has a diagnosis of ADNP syndrome, confirmed by genetic testing prior to subject randomization;
- Has a Clinical Global Impression-Severity score of 4 (moderately ill) or greater at screening;
- Any concomitant medication, including anti-epileptic and/or behavioral medications, supplements, and special diets, must be at a stable dose for at least 4 weeks before;
- Has an English-speaking caregiver capable of providing informed consent and able to attend all scheduled study visits, oversee the administration of study drug, and provide feedback regarding the subject's behavior and other symptoms as described in the protocol;
- Provide assent to the protocol (when applicable);
- Has a caregiver who will agree not to post any of the subject's personal medical data related to the study or information related to the study on any website or social media site (e.g., Facebook and Twitter) until they have been notified that the study is completed.
- Age-specific blood pressure parameters for inclusion in the study will be based on established guidelines.
Exclusion Criteria:
- Has a concomitant disease (e.g., gastrointestinal, renal, hepatic, endocrine, respiratory, or cardiovascular system disease) or condition or any clinically significant finding at screening that could interfere with the conduct of the study or that would pose an unacceptable risk to the subject in this study;
- Has clinically significant lab abnormalities or vital signs at the time of screening (e.g., alanine aminotransferase or aspartate aminotransferase >2.5 × upper limit of normal; total bilirubin or creatinine >1.5 × upper limit of normal). Re-testing of safety labs is allowed;
- Hypertension that is not well controlled (systolic BP >130-140 mm Hg or diastolic BP >85-95 mm Hg depending on age);
- A blood pressure reading over 160/90 or two separate readings over 140/90 at screening or baseline visits;
- Thyroid impairment, as reflected by a TSH > 4.2 mU/L;
- Cardiac disease, as reflected by an EKG that is abnormal and of concern for cardiac disease;
- Has had changes in his/her medication regimen within the previous month;
- Has a history of uncontrollable seizure disorder or seizure episodes within 1 month of screening;
- Has a history of suicidal behavior or considered by the investigator to be at high risk of suicide;
- Has a current or past history of psychotic symptoms;
- Has enrolled in any clinical trial or used of any investigational agent, device, and/or investigational procedure within the 30 days before screening or does so concurrently with this study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Ketamine
Total dose administration or 0.5 mg/kg of ketamine
|
A single 40-minute intravenous infusion
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With an Adverse Event
Time Frame: Week 4
|
Number of Participants with an adverse event as defined by the Systematic Longitudinal Assessment of Adverse Events (SLAES) which is a comprehensive form that assesses medical and behavioral conditions that were present at screening and/or baseline.
Conditions are considered treatment emergent if their severity increased significantly after the participant had taken at least one dose of the study treatment.
Treatment emergent adverse events will be tracked considered in the adverse event safety analysis.
Severity of adverse events are categorized as mild, moderate, severe, life-threatening, or resulting in death and the treating physician indicates if the adverse event was related or unrelated to study drug.
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Week 4
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Aberrant Behavior Checklist
Time Frame: Baseline, Week 1
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Changes in scale at week 1 compared to baseline.
Aberrant Behavior Checklist is a behavior rating scale for the assessment of treatment effects.
Each item is scored as 0 (never a problem), 1 (slight problem), 2 (moderately serious problem), or 3 (severe problem).
Subscales from 0-45 for Irritability; 0-48 for Social Withdrawal and Hyperactivity; from 0-21 for Stereotypy; and 0-12 for In Speech , with total scale from 0 to 48, with higher score indicating worse health outcomes.
|
Baseline, Week 1
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Anxiety, Depression and Mood Scales (ADAMS)
Time Frame: Baseline and Week 1
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The ADAMS is a parent/caregiver-completed measure and consists of 28 items, grouped into five subscales (Manic/Hyperactive Behavior, Depressed Mood, Social Avoidance, General Anxiety, Obsessive Behavior), and scored on a four-point Likert scale that combines frequency and severity ratings from 0-3.
Subscales range - Hyperactivity 0-15; Depressed 0-21; Social Avoidance 0-21; General anxiety 0-21; OCD 0-9.
Scores are not summed.
Higher score indicates poorer health outcomes.
|
Baseline and Week 1
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Repetitive Behavior Scale-Revised (RBS-R)
Time Frame: Baseline, Week 1
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Change in repetitive behaviors at weeks 1 compared to baseline.
RBS-R subscales - Stereo 0-18; Self injury 0-24; Compulsive 0-24; Ritualistic 0-18; Sameness 0-33; Restricted 0-12.
Total scale range from 0 to 126 with higher score indicating worse health outcomes.
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Baseline, Week 1
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Clinical Global Impressions - Improvement Scale (CGI-I)
Time Frame: Baseline, Week 2, and Week 4
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Changes in scale at weeks 2, and 4 compared to baseline.
Clinical Global impressions - Improvement Scale is anchored to symptoms of ADNP syndrome for the assessment of treatment effects.
CGI-I total score from 1 to 7 point scale, with higher score indicating worse health outcomes.
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Baseline, Week 2, and Week 4
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Childrens Sleep Habits Questionnaire
Time Frame: Baseline, Week 1
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Change in sleep habits at week 1 compared to baseline.
Full scale from 0 to 110, with higher score indicating worse health outcomes.
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Baseline, Week 1
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Peabody Picture Vocabulary Test and Expressive Vocabulary Test
Time Frame: Baseline, Week 1, Week 2, and Week 4
|
Expressive and receptive language assessed by Peabody Picture Vocabulary Test and Expressive Vocabulary Test at Day 1, Weeks 1, 2, and 4. Full scale from 40 to 160, with higher score indicating better health outcomes.
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Baseline, Week 1, Week 2, and Week 4
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Proportion of Target-First Trials Saccades
Time Frame: Baseline, Day 1, Week 1
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Change at Day 1 and Week 1 as compared to baseline using computerized eye tracking to record where the subject is looking during an activity in which the subject will see a video of a person with two objects, turning her head towards one of the objects, the target. Mean proportion of trials in which participants made saccades to the target before the distractor. |
Baseline, Day 1, Week 1
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Latency to First Saccade
Time Frame: Baseline, Day 1, Week 1
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Change at week 1, week 2, and week 4 as compared to baseline using computerized eye tracking to record where the subject is looking during an activity in which the subject will see different social and non-social stimuli. Latency to first saccade to the target |
Baseline, Day 1, Week 1
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Proportion of Target-Dwelling
Time Frame: Baseline, Day 1, Week 1
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Change at Day 1 and Week 1 as compared to baseline using computerized eye tracking to record where the subject is looking during an activity in which the subject will see different social and non-social stimuli. Proportion of time participants spent dwelling on the target versus distractor. |
Baseline, Day 1, Week 1
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Electrophysiology Recording
Time Frame: Baseline, Week 1, Week 2, and Week 4
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Electroencephalographic recordings to measure Auditory Event Related Potentials at baseline, week 1, week 2, and week 4. In separate blocks, participants heard a 500-ms click at either a stimulation rate of 40 or 20 Hz. Click trains were presented 150 times each, with an intertrial interval of 50 ms, at approximately 60 db. Higher number indicates higher amplitude neural response to auditory stimuli. |
Baseline, Week 1, Week 2, and Week 4
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Vineland Adaptive Behavior Scales
Time Frame: Baseline and Week 4
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Changes in scale at week 4 compared to baseline. Vineland Adaptive Behavior Scales measures adaptive functioning. Higher score indicating better health outcomes. Domain scores are standard scores - population mean 100 standard deviation 15. an overall composite score, it consists of three subscales: (a) communication (receptive, expressive, written), (b) socialization (interpersonal relationships, play and leisure, coping skills), and (c) daily living (person, domestic, community). |
Baseline and Week 4
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Caregiver Strain Questionnaire (CGSQ)
Time Frame: Baseline and Week 1
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Caregiver Strain Questionnaire (CGSQ) is a 13 question tool, with a 5-point Likert scale ranging from Not at all (0) to Very much (4).
Domains (Objective strain, Subjective externalized strain, Subjective internalized strain) are averaged scores, range from 0-4.
Total score (Global score) is a sum of the three subdomains.
Full scale range 0-12, higher score indicates more severe strain.
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Baseline and Week 1
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Alexander Kolevzon, MD, Icahn School of Medicine at Mount Sinai
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
- Pathologic Processes
- Disease
- Syndrome
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Analgesics
- Sensory System Agents
- Anesthetics, Dissociative
- Anesthetics, Intravenous
- Anesthetics, General
- Anesthetics
- Excitatory Amino Acid Antagonists
- Excitatory Amino Acid Agents
- Ketamine
Other Study ID Numbers
- GCO 20-1253
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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