Purpose

A study of the safety, tolerability and pharmacokinetics of NNZ-2591 and measures of efficacy in children and adolescents with Pitt Hopkins Syndrome.

Condition

Eligibility

Eligible Ages
Between 3 Years and 17 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  1. Clinical diagnosis of PTHS with a documented disease-causing genetic etiology for the disorder. 2. Males or females aged 3-17 years. 3. Body weight of 12kg or higher at screening 4. Subjects with a Clinical Global Impression- Severity (CGI-S) score of 4 or greater at the Screening visit. 5. Not actively undergoing regression or loss of skills, defined as no persistent loss of previously acquired developmental skills for a period within 3 months of the Screening visit 6. Each subject must be able to swallow the study medication provided as a liquid solution. 7. Caregiver(s) must have sufficient English language skills.

Exclusion Criteria

  1. Body weight <12kg at screening 2. Clinically significant abnormalities in safety laboratory tests and vital signs at Screening. 3. Abnormal QTcF interval or prolongation at Screening. 4. Any other clinically significant finding on ECG at the Screening visit. 5. Positive for severe acute respiratory syndrome coronavirus 2 (SARSCoV-2) and previous COVID 19 infection with last 12 months that required hospitalization. 6. Unstable or changes Psychotropic treatment 2 weeks prior to screening 7. Excluded concomitant treatments. 8. Actively undergoing regression or loss of skills. 9. Unstable seizure profile. 10. Current clinically significant renal conditions and abnormalities 11. Current clinically significant cardiovascular, hepatic, gastrointestinal, respiratory, endocrine disease, or clinically significant organ impairment. 12. Current clinically significant hypo- or hyperthyroidism, Type 1 or Type 2 diabetes mellitus requiring insulin (whether well controlled or uncontrolled), or uncontrolled Type 1 or Type 2 diabetes. 13. Has planned surgery during the study. 14. History of, or current, cerebrovascular disease or brain trauma. 15. History of, or current catatonia or catatonia-like symptoms. 16. History of, or current, malignancy. 17. Current major or persistent depressive disorder (including bipolar depression). 18. Significant, uncorrected visual or uncorrected hearing impairment. 19. Allergy to strawberry. 20. Positive pregnancy test 21. Subject is judged by the Investigator or Medical Monitor to be inappropriate for the study

Study Design

Phase
Phase 2
Study Type
Interventional
Allocation
N/A
Intervention Model
Single Group Assignment
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
NNZ-2591
NNZ-2591 oral solution (50mg/mL) to be administered twice daily dose for 13 weeks.
  • Drug: NNZ-2591
    NNZ-2591 oral solution (50mg/mL) to be administered twice daily dose for 13 weeks.
    Other names:
    • Cyclo-L-Glycyl-L-2-Allylproline

Recruiting Locations

University of Alabama at Birmingham
Birmingham, Alabama 35294
Contact:
Cassandra Newsom
205-934-2352
Cassandranewsom@uabmc.edu

More Details

Status
Recruiting
Sponsor
Neuren Pharmaceuticals Limited

Study Contact

James Shaw
+61 427 299 669
jshaw@neurenpharma.com

Detailed Description

The primary purpose of this study is to investigate the safety, tolerability and pharmacokinetics of treatment with NNZ-2591 oral solution in children and adolescents with Pitt Hopkins Syndrome. The secondary purpose is to investigate measures of efficacy. Subjects will receive treatment with NNZ-2591 oral solution (50 mg/mL) doses for a total of 13 weeks.

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.