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Late effects in survivors of childhood CNS tumors treated on Head Start I and II protocols.

ABSTRACT: Due to the devastating late effects associated with cranial irradiation in young children with central nervous system (CNS) tumors, treatment for these patients has evolved to include the use of intensive chemotherapy to either avoid or postpone irradiation. While survival outcomes have improved, late effects data in survivors treated on such regimens are needed.This multi-institutional study comprehensively describes late effects in survivors treated on the Head Start I/II protocols.Survivors of CNS tumors treated on Head Start I/II protocols were enrolled. Late effects data were collected using a validated parent-report questionnaire. Social, emotional, and behavioral functioning and quality of life were assessed using parent-report on the BASC-2 and CHQ-PF50 questionnaires.Twenty-one survivors (medulloblastoma = 13, sPNET = 4, ATRT = 1, ependymoma = 3) were enrolled. Ten (48%) were irradiation-free. Late effects (frequency; median time of onset since diagnosis) included ? grade III hearing loss (67%; 3.9 years), vision (67%; 4.1 years), hypothyroidism (33%; 4 years), growth hormone (GH) deficiency (48%; 4.7 years), dental (52%; 7.1 years), and no cases of secondary leukemia. Irradiation-free (vs. irradiated) survivors reported low rates of hypothyroidism (0/10 vs. 7/11; P = 0.004) and GH deficiency (2/10 vs. 8/11; P = 0.03). The BASC-2 and CHQPF-50 mean composite scores were within average ranges relative to healthy comparison norms. Neither age at diagnosis nor irradiation was associated with these scores.Irradiation-free Head Start survivors have lower risk of hypothyroidism and GH deficiency. Secondary leukemias are not reported. With extended follow-up, survivors demonstrate quality of life, social, emotional, and behavioral functioning within average ranges.

SUBMITTER: Saha A

PROVIDER: S-EPMC4714700 | biostudies-literature | 2014 Sep

REPOSITORIES: biostudies-literature

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Late effects in survivors of childhood CNS tumors treated on Head Start I and II protocols.

Saha Aniket A Salley Christina G CG Saigal Preeti P Rolnitzky Linda L Goldberg Judith J Scott Suzanne S Olshefski Randal R Hukin Juliette J Sands Stephen A SA Finlay Jonathan J Gardner Sharon L SL

Pediatric blood & cancer 20140501 9

<h4>Background</h4>Due to the devastating late effects associated with cranial irradiation in young children with central nervous system (CNS) tumors, treatment for these patients has evolved to include the use of intensive chemotherapy to either avoid or postpone irradiation. While survival outcomes have improved, late effects data in survivors treated on such regimens are needed.<h4>Objective</h4>This multi-institutional study comprehensively describes late effects in survivors treated on the ...[more]

PMID: 24789527

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Project description:PurposeLong-term survivors of childhood Hodgkin lymphoma (HL) are at risk for cardiopulmonary complications and CNS stroke, although neurocognitive function has not been previously examined. The aim of this study was to examine neurocognitive and brain imaging outcomes in adult survivors of childhood HL.Patients and methodsIn all, 62 adult survivors (mean age, 42.2 years; standard deviation [SD], 4.77; mean age at diagnosis, 15.1 years; SD, 3.30) were identified by stratified random selection from a large cohort treated with either high-dose (≥ 30 Gy) thoracic radiation (n = 38) or lower-dose (< 30 Gy) thoracic radiation combined with anthracycline (n = 24). Patients underwent neurocognitive evaluations, brain magnetic resonance imaging (MRI), echocardiograms, pulmonary function tests, and physical examinations.ResultsCompared with national age-adjusted norms, HL survivors demonstrated lower performance on sustained attention (P = .004), short-term memory (P = .001), long-term memory (P = .006), working memory (P < .001), naming speed (P < .001), and cognitive fluency (P = .007). MRI revealed leukoencephalopathy in 53% of survivors, and 37% had evidence of cerebrovascular injury. Higher thoracic radiation dose was associated with impaired cardiac diastolic function (E/E'; ratio of peak mitral flow velocity of early rapid filling [E] to early diastolic velocity of the mitral annulus [E']; P = .003), impaired pulmonary function (diffusing capacity of lungs for carbon monoxide [DL(co)(corr); P = .04), and leukoencephalopathy (P = .02). Survivors with leukoencephalopathy demonstrated reduced cognitive fluency (P = .001). Working memory impairment was associated with E/E', although impaired sustained attention and naming speed were associated with DL(co)(corr). Neurocognitive performance was associated with academic and vocational functioning.ConclusionThese results suggest that adult long-term survivors of childhood HL are at risk for neurocognitive impairment, which is associated with radiologic indices suggestive of reduced brain integrity and which occurs in the presence of symptoms of cardiopulmonary dysfunction.

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Late effects in survivors of childhood CNS tumors treated on Head Start I and II protocols.

Publications

Late effects in survivors of childhood CNS tumors treated on Head Start I and II protocols.

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