A Rehabilitation Program in Children With Sickle Cell Disease and Cognitive Deficits: a Pilot Study
Studienübersicht
Status
Status
Bedingungen
Bedingungen
Intervention / Behandlung
Intervention / Behandlung
Detaillierte Beschreibung
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.
Studientyp
Studientyp
Einschreibung (Tatsächlich)
Einschreibung
Phase
Phase
- Unzutreffend
Kontakte und Standorte
Studienorte
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Missouri
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Saint Louis, Missouri, Vereinigte Staaten, 63110
- Washington University School of Medicine/St. Louis Children's Hospital
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Teilnahmekriterien
Zulassungskriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
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)
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Behandlung
- Zuteilung: Zufällig
- Interventionsmodell: Parallele Zuordnung
- Maskierung: Keine (Offenes Etikett)
Anzahl der Arme
Waffen und Interventionen
Teilnehmergruppe / ArmTeilnehmergruppe / Arm |
Intervention / BehandlungIntervention / Behandlung |
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Aktiver 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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Experimental: 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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Was misst die Studie?
Primäre Ergebnismessungen
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Full Scale IQ (FSIQ) (WASI)
Zeitfenster: After >/= 50 hours of tutoring
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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)
Zeitfenster: 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
|
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Performance IQ (PIQ) (WASI)
Zeitfenster: 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
|
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Letter Word Identification T Score (WJ-III)
Zeitfenster: 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.
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After >/= 50 hours of tutoring
|
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Reading Fluency T Score (WJ-III)
Zeitfenster: 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.
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After >/= 50 hours of tutoring
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Calculations T Score (WJ-III)
Zeitfenster: 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)
Zeitfenster: 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)
Zeitfenster: After >/= 50 hours of tutoring
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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.
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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
Zeitfenster: 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
Zeitfenster: After >/= 50 hours of tutoring
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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
Zeitfenster: 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 Long Delay Recall T Score
Zeitfenster: 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.
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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
Zeitfenster: 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.
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After >/= 50 hours of tutoring
|
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Delis Kaplan Executive Function System (D-KEFS) Number/Letter Switching T Score
Zeitfenster: After >/= 50 hours of tutoring
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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.
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After >/= 50 hours of tutoring
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Mitarbeiter und Ermittler
Sponsor
Sponsor
Mitarbeiter
Mitarbeiter
Ermittler
Ermittler
- Hauptermittler: Allison King, MD, MPH, Washington University School of Medicine
Publikationen und hilfreiche Links
Allgemeine Veröffentlichungen
- 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.
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Studienbeginn
Primärer Abschluss (Tatsächlich)
Primärer Abschluss
Studienabschluss (Tatsächlich)
Studienabschluss
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Zuerst gepostet
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes Update gepostet
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
Andere Studien-ID-Nummern
- 653
- K23HL079073 (US NIH Stipendium/Vertrag)
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