Ameliorating Attention Problems in Children With Sickle Cell Disease (SCD)
1 other identifier
interventional
34
1 country
2
Brief Summary
The purpose of this study is to assess whether methylphenidate is effective in enhancing the cognitive performance of children with the HbSS or HbSC genotype of SCD who have sustained neurological complications on laboratory-based measures of sustained attention, reaction time, and executive functions, and indirectly, verbal short-term and long-term memory.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3
Started Jun 2006
Typical duration for phase_3
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 1, 2006
CompletedFirst Submitted
Initial submission to the registry
July 20, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2009
CompletedFirst Posted
Study publicly available on registry
August 8, 2011
CompletedApril 30, 2015
August 1, 2011
2.9 years
July 20, 2006
April 29, 2015
Conditions
Outcome Measures
Primary Outcomes (1)
Conners Parent and teacher Rating Scale
1 week
Secondary Outcomes (1)
Childrens Verbal Learning Test
4 hours
Study Arms (2)
Laboratory trial
PLACEBO COMPARATORCompare methylphenidate to placebo in an acute laboratory trial
Home/School trial
EXPERIMENTALLow dose and moderate dose methylphenidate are compared to placebo in a home and school trial
Interventions
Ritalin 10mg, Ritalin 20mg
Eligibility Criteria
You may qualify if:
- Informed Consent can be obtained from parent or care-giver and Assent can be obtained from the child
- Children with sickle cell disease (HbSS or HbSC)
- Age range from 6 to 16 years inclusive
- English is the child's primary language
- T-score greater than or equal to 63 on either the Conners' Parent Rating Scale - Revised or the Conners' Teacher Rating
You may not qualify if:
- History of glaucoma for which methylphenidate is contraindicated
- Child or immediate family member has a history of a tic disorder or Tourette's syndrome
- Child is currently receiving antidepressant, anxiolytic, antipsychotic, or stimulant drug therapy
- Family history of substance abuse disorder due to potential for abuse of stimulants by caregivers or other family members
- Recent history of uncontrolled seizures (may be on anticonvulsants, provided seizures are under "reasonable" control and that the patient and family understand the risk of altered seizure control and potential interference with maintaining therapeutic levels of anticonvulsants)
- Hypothyroidism
- Symptoms of affective and mood disorders
- Previously diagnosed with ADHD prior to the onset of neurological complications (e.g., stroke or silent infarct) as documented in the medical record or caregiver report.
- Mental retardation (FSIQ \< 70 on WASI)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
Temple University
Philadelphia, Pennsylvania, 19140, United States
Medical University of South Carolina
Charleston, South Carolina, 29425, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Ronald T Brown, PhD
Temple University
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 20, 2006
First Posted
August 8, 2011
Study Start
June 1, 2006
Primary Completion
May 1, 2009
Study Completion
May 1, 2009
Last Updated
April 30, 2015
Record last verified: 2011-08