Working… Menu
Help guide our efforts to modernize
Send us your comments by March 14, 2020.

Open Label Study Investigating Safety and Efficacy of NPL2009 50 mg - 150 mg on Prepulse Inhibition Tests and Continuous Performance Tasks, Adults With Fragile X 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. Read our disclaimer for details. Identifier: NCT00637221
Recruitment Status : Completed
First Posted : March 17, 2008
Last Update Posted : April 27, 2012
Information provided by (Responsible Party):

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

Condition or disease Intervention/treatment Phase
Fragile X Syndrome Drug: NPL-2009 Phase 1 Phase 2

Layout table for study information
Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 12 participants
Allocation: Randomized
Intervention Model: Factorial Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: An Open Label Exploratory Study to Investigate the Safety and Effects of NPL-2009 ( 50 mg - 150 mg Single Dose) on Prepulse Inhibition Tests and Continuous Performance Tasks, in Adults With Fragile X Syndrome
Study Start Date : March 2008
Actual Primary Completion Date : April 2008
Actual Study Completion Date : April 2008

Resource links provided by the National Library of Medicine

Intervention Details:
  • Drug: NPL-2009
    Single doses of either 50mg, 100 mg or 150 mg NPL-2009

Primary Outcome Measures :
  1. 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 [ Time Frame: 7 Days ]

Secondary Outcome Measures :
  1. Tolerability [ Time Frame: 7 days ]

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.

Layout table for eligibility information
Ages Eligible for Study:   18 Years to 45 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

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

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 identifier (NCT number): NCT00637221

Layout table for location information
United States, California
MIND Institute
Sacramento, California, United States, 95817
United States, Illinois
Rush University Medical Centre
Chicago, Illinois, United States, 60612
Sponsors and Collaborators
Layout table for investigator information
Study Director: Mike Snape, PhD Neuropharm Ltd

Layout table for additonal information
Responsible Party: Neuropharm Identifier: NCT00637221    
Other Study ID Numbers: NPL-2009-2-FEN-001
First Posted: March 17, 2008    Key Record Dates
Last Update Posted: April 27, 2012
Last Verified: April 2012
Keywords provided by Neuropharm:
Additional relevant MeSH terms:
Layout table for MeSH terms
Fragile X Syndrome
Pathologic Processes
Mental Retardation, X-Linked
Intellectual Disability
Neurobehavioral Manifestations
Neurologic Manifestations
Nervous System Diseases
Sex Chromosome Disorders
Chromosome Disorders
Congenital Abnormalities
Genetic Diseases, Inborn
Genetic Diseases, X-Linked
Heredodegenerative Disorders, Nervous System