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Development of the Pediatric Neuro-Oncology Rating of Treatment Intensity (PNORTI).

ABSTRACT: Measures of treatment intensity for childhood cancer are needed in research in order to control for variability in treatments. Existing measures of treatment intensity for childhood cancers do not reflect the complexities of treatment protocols for central nervous system (CNS) tumors. This paper describes the development of the Pediatric Neuro-Oncology Rating of Treatment Intensity (PNORTI). PNORTI development occurred in three phases. Phase 1: five experts in pediatric neuro-oncology created a 5-point scale of treatment intensity and 42 pediatric neuro-oncology providers completed a three-part online questionnaire to evaluate the classification system and apply the rating system to 16 sample patients. Validity was determined by respondents classifying therapy modalities into intensity levels. Inter-rater reliability was calculated from ratings of the 16 sample patients. Phase 2: three experts revised the PNORTI based on survey results and 18 pediatric neuro-oncology providers evaluated the classification system. Phase 3: ten experts in pediatric neuro-oncology refined and finalized the PNORTI and rated 10 sample patients using the PNORTI. Agreement between median ratings of the survey respondents and criterion raters for chemotherapy intensity (r's?=?.82 and 1.0) and overall treatment intensity level (r's?=?.91 and .94) were high in Phases 1 and 2. Inter-rater reliability also was very high when using the PNORTI to classify the 16 sample patients in Phase 1 (median agreement of r?=?.93 and rICC?=?.99) and the 10 sample patients in Phase 3 (median agreement of r?=?.92 and rICC?=?.98). The PNORTI is a valid and reliable method for classifying the intensity of different treatment modalities used in pediatric neuro-oncology.

SUBMITTER: Hocking MC

PROVIDER: S-EPMC6362451 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Development of the Pediatric Neuro-Oncology Rating of Treatment Intensity (PNORTI).

Hocking Matthew C MC Hobbie Wendy W Fisher Michael J MJ

Journal of neuro-oncology 20170908 1

Measures of treatment intensity for childhood cancer are needed in research in order to control for variability in treatments. Existing measures of treatment intensity for childhood cancers do not reflect the complexities of treatment protocols for central nervous system (CNS) tumors. This paper describes the development of the Pediatric Neuro-Oncology Rating of Treatment Intensity (PNORTI). PNORTI development occurred in three phases. Phase 1: five experts in pediatric neuro-oncology created a ...[more]

PMID: 28887756

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Project description:Traditionally, the poor outcome for patients with malignant brain tumours led to therapeutic nihilism. In turn, this resulted in lack of interest in neurosurgical oncology subspecialisation, and less than ideal patient pathways. One problem of concern was the low rate of tumour resection. Between 1997 and 2006, 685 treated glioblastomas were identified. In the first four years only 40% of patients underwent tumour resection, rising to 55% in the last four years. Before revision of the pathway, the median length of hospital stay was 8 days, and 35% of patients received the results of their histology outside of a clinic setting. A pathway of care was established, in which all patients were discussed pre-operatively in an MDT meeting and then directed into a new surgical neuro-oncology clinic providing first point of contact. This limited the number of surgeons operating on adult glioma patients and aided recruitment into research studies. Now, three consultant neurosurgeons run this service, easily fulfilling IOG requirement to spend >50% of programmed activities in neuro-oncology. Nursing support has been critical to provide an integrated service. This model has allowed increased recruitment to clinical trials. The introduction of this service led to an increase in patients discussed pre-operatively in an MDT (66% rising to 87%; P=0.027), an increase in the rate of surgical resection (from 40% to 80%) and more patients being admitted electively (from 25% to 80%; P<0.001). There was a reduction in the median length of stay (8 days reduced to 4.5 days; P<0.001). For the cohort of GBM patients that went on to have chemoradiotherapy we improved median survival to 18 months, with 35% of patients alive at two years, comparable to international outcomes. Implementing a specialist neurosurgical oncology service begins with understanding the patient care pathway. Our patients have benefitted from the culture of subspecialisation and the excellent inter-disciplinary working relationships that have been developed.

Dataset Information

Development of the Pediatric Neuro-Oncology Rating of Treatment Intensity (PNORTI).

Publications

Development of the Pediatric Neuro-Oncology Rating of Treatment Intensity (PNORTI).

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