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Low-Dose Ketamine in Children With ADNP Syndrome

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT04388774
Recruitment Status : Recruiting
First Posted : May 14, 2020
Last Update Posted : September 10, 2020
Sponsor:
Information provided by (Responsible Party):
Alexander Kolevzon, Icahn School of Medicine at Mount Sinai

Brief Summary:
This is a Phase 2A, single dose, open-label study to evaluate the safety, tolerability, and efficacy of a low-dose, 40-minute infusion into the veins (intravenous infusion or "IV") of ketamine in children with ADNP syndrome (Activity-Dependent Neuroprotective Protein). The study team will enroll 10 participants, ages 5 to 12, at Mount Sinai. The study participation is expected to last 4 weeks and will include 5 scheduled clinic visits in order to complete safety monitoring, clinical assessments, and biomarker collection. At the conclusion of this study, the study team expects to demonstrate the safety and tolerability of low-dose ketamine in children with ADNP syndrome. Additionally, the study team anticipates identifying meaningful signals of efficacy in clinical outcome measures using RNA and DNA sequencing to analyze ADNP protein expression and DNA methylation profiles, a natural process by which methyl groups are added to the DNA to change its activity, in order to assess sensitivity to change with low-dose ketamine treatment and inform future phase 3 studies. Ketamine is not currently approved by the Food and Drug Administration to treat this syndrome, but it is approved for use in children in other situations, for example in anesthesia.

Condition or disease Intervention/treatment Phase
ADNP Syndrome Drug: Ketamine Phase 1 Phase 2

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 10 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 2A Open-Label Study Evaluating the Safety and Efficacy of Low-Dose Ketamine in Children With ADNP Syndrome
Actual Study Start Date : August 19, 2020
Estimated Primary Completion Date : August 2021
Estimated Study Completion Date : August 2022

Resource links provided by the National Library of Medicine

Drug Information available for: Ketamine

Arm Intervention/treatment
Experimental: Ketamine
Total dose administration or 0.5 mg/kg of ketamine
Drug: Ketamine
A single 40-minute intravenous infusion




Primary Outcome Measures :
  1. The Systematic Longitudinal Assessment of Adverse Events (SLAES) [ Time Frame: Baseline, Week 1, Week 2, and Week 4 ]
    Changes in scale at weeks 1, 2, and 4 compared to baseline. The Systematic Longitudinal Assessment of Adverse Events (SLAES) 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.


Secondary Outcome Measures :
  1. Aberrant Behavior Checklist [ Time Frame: Baseline, Week 1, Week 2, and Week 4 ]
    Changes in scale at weeks 1, 2, and 4 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), total scale from 0 to 48, with higher score indicating worse health outcomes.

  2. Vineland Adaptive Behavior Scales [ Time Frame: Baseline, Week 1, Week 2, and Week 4 ]
    Changes in scale at week 4 compared to baseline. Vineland Adaptive Behavior Scales measures adaptive functioning. Full scale from 20 to 140, with higher score indicating better health outcomes.

  3. Repetitive Behavior Scale-Revised (RBS-R) [ Time Frame: Baseline, Week 1, Week 2, and Week 4 ]
    Change in repetitive behaviors at weeks 1, 2, and 4 compared to baseline. RBS-R total scale from 0 to 126 with higher score indicating worse health outcomes.

  4. Clinical Global Impressions - Improvement Scale (CGI-I) [ Time Frame: Baseline, Week 1, Week 2, and Week 4 ]
    Changes in scale at weeks 1, 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.

  5. Childrens Sleep Habits Questionnaire [ Time Frame: Baseline, Week 1, Week 2, and Week 4 ]
    Change in sleep habits at weeks 1, 2, and 4 compared to baseline. Full scale from 0 to 110, with higher score indicating worse health outcomes.

  6. Peabody Picture Vocabulary Test and Expressive Vocabulary Test [ Time Frame: Baseline, Week 1, Week 2, and Week 4 ]
    Change in expressive and receptive language at weeks 1, 2, and 4 compared to baseline. Full scale from 40 to 160, with higher score indicating better health outcomes.

  7. Computerized Eye Tracking [ Time Frame: Baseline, Week 1, Week 2, and Week 4 ]
    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.

  8. Electrophysiology Recording [ Time Frame: Baseline, Week 1, Week 2, and Week 4 ]
    Change at week 1, week 2, and week 4 as compared to baseline using electroencephalographic recordings to measure Visual Evoked and Auditory Event Related Potentials



Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


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Ages Eligible for Study:   5 Years to 12 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

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.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04388774


Contacts
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Contact: Hannah Walker 212-241-3692 hannah.walker@mssm.edu

Locations
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United States, New York
Icahn School of Medicine at Mount Sinai Recruiting
New York, New York, United States, 10029
Contact: Hannah Walker    212-241-3692    hannah.walker@mssm.edu   
Principal Investigator: Alexander Kolevzon, MD         
Sponsors and Collaborators
Alexander Kolevzon
Investigators
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Principal Investigator: Alexander Kolevzon, MD Icahn School of Medicine at Mount Sinai
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Responsible Party: Alexander Kolevzon, Professor, Icahn School of Medicine at Mount Sinai
ClinicalTrials.gov Identifier: NCT04388774    
Other Study ID Numbers: GCO 20-1253
First Posted: May 14, 2020    Key Record Dates
Last Update Posted: September 10, 2020
Last Verified: September 2020
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Alexander Kolevzon, Icahn School of Medicine at Mount Sinai:
Ketamine
ADNP
Activity-Dependent Neuroprotector Protein
Chromosome Disorders
Chromosome Aberrations
Additional relevant MeSH terms:
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Syndrome
Disease
Pathologic Processes
Ketamine
Analgesics
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Anesthetics, Dissociative
Anesthetics, Intravenous
Anesthetics, General
Anesthetics
Central Nervous System Depressants
Excitatory Amino Acid Antagonists
Excitatory Amino Acid Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action