Fragile X Syndrome
Conditions
Keywords
Safety, Tolerability
Brief summary
This is an open label exploratory study to investigate the safety and effects of a single dose of NPL-2009(50 mg - 150 mg) on Prepulse Inhibition (PPI) Tests and Continuous Performance Tasks (CPT) in adults with Fragile X Syndrome
Interventions
Single doses of either 50mg, 100 mg or 150 mg NPL-2009
Sponsors
Study design
Eligibility
Inclusion criteria
* Male or female patients, 18 to 45 years of age. * Diagnosis of Fragile X Syndrome. * Females must demonstrate a negative pregnancy test at screening. * Females of child-bearing potential must be using a medically accepted means of contraception or must remain abstinent for the duration of the study. * Each Legally Authorised Representative (LAR, usually parent or caregiver) must have a level of understanding sufficient to provide written informed consent to all required study tests and procedures. * Each patient must consent/assent (depending on center-specific procedures) to all required study tests and procedures. * Permitted concomitant medications must be stable for at least 6 weeks prior to enrollment. The following concomitant medications are permitted: psychostimulants, SSRIs, atypical antipsychotics, anticonvulsants which do not have liver inducing effects, clonidine. * Each patient must be able to swallow the capsules (2, 3 or 4) to be provided in the study.
Exclusion criteria
* Current treatment with anticonvulsants known to induce liver enzymes e.g. depakote * Current treatment with N-methyl-D-aspartate (NMDA) antagonists * Current treatment with tricyclic antidepressants * Current treatment with typical antipsychotics * Current treatment with lithium * Patients planning to commence cognitive behaviour therapy during the period of the study or those who have begun cognitive behavioural therapy within 6 weeks prior to enrolment. * History of, or current cardiovascular, renal, hepatic, respiratory and particularly gastrointestinal disease which may interfere with the absorption, distribution, metabolism or excretion of the study medication. * History of, or current cerebrovascular disease or brain trauma. * History of, or current significant endocrine disorder, e.g. hypo or hyperthyroidism. * History of, or current malignancy. * Presence of psychotic symptoms or lifetime history of schizophrenia, bipolar disorder, or other psychotic disorder, as assessed by the Investigator. * Current major depressive disorder (patients must be free of the disorder for 3 months prior to enrolment). * Judged clinically to be at risk of suicide (suicidal ideation, severe depression, or other factors), as assessed by the Investigator. * Tourette's Disorder. * Female patients who are either pregnant or nursing. * Current drug abuse or dependence disorder or dependency in the 3 months prior to enrolment. * Clinically significant abnormalities in safety laboratory tests, vital signs or EKG, as measured at screening * Patients with significant hearing and/or visual impairments that may affect their ability to complete the test procedures * Enrollment in another clinical trial within the previous 30 days
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome measure for the study is that of safety and subjects will be assessed post-dose at at least hourly intervals for any signs of Adverse Events - up to allowing discharge from the unit at 6 hours post-dose | 7 Days |
Secondary
| Measure | Time frame |
|---|---|
| Tolerability | 7 days |
Countries
United States