A Rehabilitation Program in Children With Sickle Cell Disease and Cognitive Deficits: a Pilot Study
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
The primary aims of this clinical trial are:
- Determine the effectiveness of targeted learning and memory strategy remediation in students with sickle cell disease and cognitive deficits.
- Determine if there is improvement in academic achievement after targeted memory strategy remediation.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Missouri
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Saint Louis, Missouri, Forenede Stater, 63110
- Washington University School of Medicine/St. Louis Children's Hospital
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Sickle cell disease that is confirmed by hemoglobin analysis
- Has a brain magnetic resonance imaging (MRI) document reading by a neuroradiologist
- Cognitive deficits, which are defined by one standard deviation lower than the normal ranges of an age-based standard score in cognitive tests that are evaluated by a psychologist
- Must be a student who will remain in school for at least 2 years
- Must provide informed consent with assent in accordance with the institutional policies (institutional review board approval)
Exclusion Criteria:
- Known developmental delays (these participants are ineligible because their learning potential may be biased from a prior insult)
- Intelligent quotient is less than 50 (may have impaired learning potential)
- Aphasic (i.e., unable to produce intelligible speech)
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Aktiv komparator: General Tutoring Group
Participants will receive general tutoring in the subject of his/her choice.
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Participants will be tutored for approximately 8-10 hours per month during the school year.
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Eksperimentel: Tutoring + Memory Training Group
Participants will receive tutoring and memory training.
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Participants will be tutored for approximately 8-10 hours per month during the school year.
Participants will receive memory training for approximately 8-10 hours per month during the school year.
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Full Scale IQ (FSIQ) (WASI)
Tidsramme: After >/= 50 hours of tutoring
|
The WASI is a brief, reliable measure of intelligence.
Participants engage in 4 subtests: Block Design, Vocabulary, Similarities, and Matrix Reasoning.
Participants receive a raw score on each of these 4 subtests.
This raw score is converted to a T score using a score chart in the WASI manual.
The T scores from all 4 subtests are summed together to obtain a Full Scale Sum of T Scores.
This Full Scale Sum of T Scores is converted to a Full Scale IQ-4 Composite Score using a score chart published in the WASI manual.
Higher scores indicate better intelligence.
FSIQ-4 Range: 40-160.
Average FSIQ-4 =100, standard deviation is +/- 15.
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After >/= 50 hours of tutoring
|
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Verbal IQ (PIQ) (WASI)
Tidsramme: After >/= 50 hours of tutoring
|
The VIQ score is comprised from the Vocabulary and Similarities subtests of the WASI-4.
The raw scores from these subtests are converted to T scores using score charts in the manual.
The T scores are summed together for a Verbal Sum of T Scores.
This score is converted to a Composite VIQ score using a score chart in the manual.
Higher scores = better Verbal IQ.
Range = 45-160.
Average = 100; standard deviation +/- 15.
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After >/= 50 hours of tutoring
|
|
Performance IQ (PIQ) (WASI)
Tidsramme: After >/= 50 hours of tutoring
|
The PIQ score is comprised from the Matrix Reasoning and Block Design subtests of the WASI-4.
The raw scores from these subtests are converted to T scores using score charts in the manual.
The T scores are summed together for a Performance Sum of T Scores.
This score is converted to a Composite PIQ score using a score chart in the manual.
Higher scores = better Performance IQ.
Range = 45-160.
Average = 100; standard deviation +/- 15.
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After >/= 50 hours of tutoring
|
|
Letter Word Identification T Score (WJ-III)
Tidsramme: After >/= 50 hours of tutoring
|
This sub-test measures a student's word identification skills.
A participant's raw score (# of items answered correctly) is converted to a T score using a program (Compuscore for the WJ III, Version 2.1).
Higher T scores = better performance.
Range: 0-100.
Average T score = 50; standard deviation =/- 10.
|
After >/= 50 hours of tutoring
|
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Reading Fluency T Score (WJ-III)
Tidsramme: After >/= 50 hours of tutoring
|
This sub-test measures a student's ability to read simple sentences quickly.
A participant's raw score (# of items answered correctly) is converted to a T score using a program (Compuscore for the WJ III, Version 2.1).
Higher T scores = better performance.
Range: 0-100.
Average T score = 50; standard deviation =/- 10.
|
After >/= 50 hours of tutoring
|
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Calculations T Score (WJ-III)
Tidsramme: After >/= 50 hours of tutoring
|
This sub-test measures a student's ability to perform paper and pencil math computations.A participant's raw score (# of items answered correctly) is converted to a T score using a program (Compuscore for the WJ III, Version 2.1).
Higher T scores = better performance.
Range: 0-100.
Average T score = 50; standard deviation =/- 10.
|
After >/= 50 hours of tutoring
|
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Math Fluency T Score (WJ-III)
Tidsramme: After >/= 50 hours of tutoring
|
This sub-test measures a student's ability to solve simple addition, subtraction and multiplication facts quickly.
A participant's raw score (# of items answered correctly) is converted to a T score using a program (Compuscore for the WJ III, Version 2.1).
Higher T scores = better performance.
Range: 0-100.
Average T score = 50; standard deviation =/- 10.
|
After >/= 50 hours of tutoring
|
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Spelling T Score (WJ-III)
Tidsramme: After >/= 50 hours of tutoring
|
This sub-test measures a student's ability to write orally presented words correctly.
A participant's raw score (# of items answered correctly) is converted to a T score using a program (Compuscore for the WJ III, Version 2.1).
Higher T scores = better performance.
Range: 0-100.
Average T score = 50; standard deviation =/- 10.
|
After >/= 50 hours of tutoring
|
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California Verbal Learning Test-Children's Version (CVLT-C) List A Trials 1-5 Immediate Recall T Score
Tidsramme: After >/= 50 hours of tutoring
|
The CVLT®-C measures multi-trial learning and long-term recall abilities for verbal information.
The Raw scores from all trials (1-5) are summed to calculate a Total Raw Score for Trials 1-5.
This Raw score is converted to a T score using the CVLT-II Comprehensive Scoring System (computer system).
A higher T score indicates better performance.
Range = 0-100.
Average =50 with a standard deviation of =/- 10 points.
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After >/= 50 hours of tutoring
|
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CVLT-C Trials 1-5 Semantic Clustering T Score
Tidsramme: After >/= 50 hours of tutoring
|
The CVLT®-C measures multi-trial learning and long-term recall abilities for verbal information.
The CVLT-C consists of five learning trials of 15 words which can be organized into three semantic categories.
The Raw scores from all trials (1-5) are summed to calculate a Total Raw Score for Trials 1-5.
This Raw score is converted to a T score using the CVLT-II Comprehensive Scoring System (computer system).
A higher T score indicates better performance.
Range = 0-100.
Average =50 with a standard deviation of =/- 10 points.
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After >/= 50 hours of tutoring
|
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CVLT-C Trials 1-5 Short Delay Recall T Score
Tidsramme: After >/= 50 hours of tutoring
|
The CVLT®-C measures multi-trial learning and long-term recall abilities for verbal information.
The Raw scores from all trials (1-5) are summed to calculate a Total Raw Score for Trials 1-5.
This Raw score is converted to a T score using the CVLT-II Comprehensive Scoring System (computer system).
A higher T score indicates better performance.
Range = 0-100.
Average =50 with a standard deviation of =/- 10 points.
|
After >/= 50 hours of tutoring
|
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CVLT-C Trials 1-5 Long Delay Recall T Score
Tidsramme: T scores were obtained at baseline and again at follow-up (after partcipant completed 50 hours of tutoring)
|
The CVLT®-C measures multi-trial learning and long-term recall abilities for verbal information.
The Raw scores from all trials (1-5) are summed to calculate a Total Raw Score for Trials 1-5.
This Raw score is converted to a T score using the CVLT-II Comprehensive Scoring System (computer system).
A higher T score indicates better performance.
Range = 0-100.
Average =50 with a standard deviation of =/- 10 points.
|
T scores were obtained at baseline and again at follow-up (after partcipant completed 50 hours of tutoring)
|
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CVLT-C Trials 1-5 Recognition Discriminability T Score
Tidsramme: After >/= 50 hours of tutoring
|
TThe CVLT®-C measures multi-trial learning and long-term recall abilities for verbal information.
The Raw scores from all trials (1-5) are summed to calculate a Total Raw Score for Trials 1-5.
This Raw score is converted to a T score using the CVLT-II Comprehensive Scoring System (computer system).
A higher T score indicates better performance.
Range = 0-100.
Average =50 with a standard deviation of =/- 10 points.
|
After >/= 50 hours of tutoring
|
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Delis Kaplan Executive Function System (D-KEFS) Number/Letter Switching T Score
Tidsramme: After >/= 50 hours of tutoring
|
The D-KEFS allows for the assessment of executive functions.
There are 9 stand alone tests that can be individually or group administered.
The Number-Letter Switching condition of the Trails Making sub-test specifically assesses flexibility of thinking on a visual-motor sequencing task.
A participant's raw score (# of items answered correctly) is converted to a T score using tables provided in the manual.
Higher T scores = better performance.
Range: 0-100.
Average T score = 50; standard deviation =/- 10.
|
After >/= 50 hours of tutoring
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Efterforskere
Efterforskere
- Ledende efterforsker: Allison King, MD, MPH, Washington University School of Medicine
Publikationer og nyttige links
Generelle publikationer
- Yerys BE, White DA, Salorio CF, McKinstry R, Moinuddin A, DeBaun M. Memory strategy training in children with cerebral infarcts related to sickle cell disease. J Pediatr Hematol Oncol. 2003 Jun;25(6):495-8. doi: 10.1097/00043426-200306000-00014.
- King AA, White DA, McKinstry RC, Noetzel M, Debaun MR. A pilot randomized education rehabilitation trial is feasible in sickle cell and strokes. Neurology. 2007 Jun 5;68(23):2008-11. doi: 10.1212/01.wnl.0000264421.24415.16.
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- 653
- K23HL079073 (U.S. NIH-bevilling/kontrakt)
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