Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 38
Filtrar
Mais filtros

Base de dados
País/Região como assunto
Tipo de documento
Intervalo de ano de publicação
1.
Pediatr Blood Cancer ; 68(4): e28882, 2021 04.
Artigo em Inglês | MEDLINE | ID: mdl-33507604

RESUMO

BACKGROUND: Evaluate the efficacy of two courses of vincristine and topotecan (VT) neoadjuvant intravenous chemotherapy in reducing retinoblastoma tumor volumes. METHODS: Twenty-seven patients with previously untreated, bilateral advanced retinoblastoma who were enrolled on a prospective treatment protocol (NCT00186888). Patients underwent high-resolution ophthalmic imaging at diagnosis and were reimaged following treatment with two cycles of VT. Tumor height and diameter were measured before and after treatment, and tumor volumes were calculated. Statistical methods for dependent samples were used. RESULTS: Imaging was completed for 75 tumors in 23 patients (43 eyes). After two cycles of VT, median decrease in tumor height was 47% and median decrease in tumor diameter was 22%. Median decrease in estimated tumor volume was 74%. Sixty-one of 75 tumors demonstrated >50% reduction in tumor volume. Distance from the optic nerve (=0 vs >0), age (<4 vs >4 months), macular location (within vs outside), and time (pre- and posttreatment) were found significantly associated with log-transformed tumor volume adjusting for the repeated effect of patient eye using generalized estimating equations to estimate the parameters of a generalized linear model (P < .0001 [ ß : 1.95, CI: 1.53-2.36], P = .0031 [ ß : 1.49, CI: 0.57-2.41], P < .0001 [ ß : .94, CI: 0.54-1.35], and P < .0001 [ ß : 1.43, CI: 1.15-1.71]). CONCLUSION: Chemoreduction was achieved in all patients and most retinoblastoma tumors following two cycles of VT. Reduction in tumor dimensions was comparable to that reported with platinum-based chemotherapy. Tumor location, distance from the optic nerve, and age at diagnosis were significant predictors of treatment response.


Assuntos
Antineoplásicos/uso terapêutico , Neoplasias da Retina/tratamento farmacológico , Retinoblastoma/tratamento farmacológico , Topotecan/uso terapêutico , Vincristina/uso terapêutico , Adolescente , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Neoplasias da Retina/patologia , Retinoblastoma/patologia , Resultado do Tratamento , Carga Tumoral/efeitos dos fármacos
2.
Cancer ; 126(8): 1749-1757, 2020 04 15.
Artigo em Inglês | MEDLINE | ID: mdl-31967673

RESUMO

BACKGROUND: The prognosis for children with recurrent solid tumors generally is poor. Targeting mammalian target of rapamycin (mTOR) and vascular endothelial growth factor A with everolimus and bevacizumab, respectively, synergistically improves progression-free survival and is well tolerated in adults with solid tumors. METHODS: In the current phase 1 study, a total of 15 children with recurrent or refractory solid tumors were treated with bevacizumab and everolimus to establish the maximum tolerated dose, toxicity, and preliminary antitumor response (ClinicalTrials.gov identifier NCT00756340). The authors also evaluated everolimus-mediated inhibition of the mTOR pathway in the peripheral blood mononuclear cells of treated patients. RESULTS: Tumors predominantly were soft tissue and/or bone sarcomas (8 cases) and brain tumors (5 cases). The first 2 patients enrolled at dose level 1 (10 mg/kg of bevacizumab and 4 mg/m2 of everolimus) experienced dose-limiting toxicities (DLTs). The next 5 patients were enrolled at dose level 0 (8 mg/kg of bevacizumab and 4 mg/m2 of everolimus), and DLTs occurred in 2 patients. The authors then modified the protocol to permit expansion of dose 0, and 8 additional patients were added, with no DLTs reported. Of all the patients, stable disease occurred in 4 patients (30.8%; median, 2 courses), and progressive disease occurred in 9 patients (69.2%). Overall survival was 0.59 years (95% CI, 0.24-1.05 years). The mTOR biomarker phospho-4EBP1 Thr/37/46 significantly decreased from baseline to day 27 in peripheral blood mononuclear cells (P = .045). Phospho-AKT levels also decreased from those at baseline. CONCLUSIONS: The maximum tolerated dose of cotreatment with bevacizumab and everolimus was 8 mg/kg of bevacizumab and 4 mg/m2 of everolimus in a 4-week cycle for children with recurrent solid tumors.


Assuntos
Inibidores da Angiogênese/uso terapêutico , Antineoplásicos/uso terapêutico , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Bevacizumab/uso terapêutico , Everolimo/uso terapêutico , Recidiva Local de Neoplasia/tratamento farmacológico , Neoplasias/tratamento farmacológico , Adolescente , Criança , Pré-Escolar , Feminino , Humanos , Masculino , Dose Máxima Tolerável , Recidiva Local de Neoplasia/patologia , Neoplasias/patologia , Prognóstico , Intervalo Livre de Progressão
3.
J Neurooncol ; 148(2): 307-316, 2020 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-32346835

RESUMO

PURPOSE: Several studies describe sleep-wake disturbances in pediatric craniopharyngioma, but none have determined the prevalence or associated predictors of excessive sleepiness in this group after diagnosis and prior to post-operative observation or adjuvant radiotherapy. In this study, we report sleep-wake disturbances in children and adolescents with craniopharyngioma and associated clinical and treatment variables. METHODS: After surgery and prior to radiotherapy or observation, pediatric patients (n = 110) with craniopharyngioma ≥ 3 years old completed a baseline sleep clinic evaluation by a pediatric sleep specialist, polysomnography (PSG) and next-day multiple sleep latency test (MSLT). MSLT was limited to those ≥ 6 years old. Logistic regression models were used to determine the relationship between patient characteristics and the presence and type of hypersomnia. RESULTS: Amongst patients completing PSG and MSLT, 80% had polygraphic evidence of excessive daytime sleepiness. Hypersomnia due to medical condition was diagnosed in 45% and narcolepsy in 35%. Overweight or obese patients were more likely to be diagnosed with hypersomnia (P = 0.012) or narcolepsy (P = 0.009). Grade 2 hypothalamic involvement (HI) at diagnosis was associated with the diagnosis of narcolepsy (P = 0.0008). CONCLUSIONS: This study describes the prevalence and associated predictors of hypersomnia for patients with craniopharyngioma after surgical resection. HI was predictive of narcolepsy diagnosis, and a higher body mass index z-score was associated with hypersomnia due to medical condition and narcolepsy. We recommend that sleep assessment and intervention begin after surgical resection, especially in overweight or obese patients and those with extensive tumors.


Assuntos
Craniofaringioma/complicações , Distúrbios do Sono por Sonolência Excessiva/diagnóstico , Narcolepsia/diagnóstico , Neoplasias Hipofisárias/complicações , Adolescente , Criança , Pré-Escolar , Distúrbios do Sono por Sonolência Excessiva/etiologia , Feminino , Humanos , Lactente , Masculino , Narcolepsia/etiologia
4.
Pediatr Blood Cancer ; 67(4): e28150, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-31944574

RESUMO

BACKGROUND: Patients with metastatic Ewing sarcoma experience poor outcomes despite intensive systemic and local therapy. Early chemotherapy response of pulmonary metastases has been associated with prognosis in other pediatric malignancies. We reviewed the outcomes of patients with Ewing sarcoma and pulmonary metastases treated at our institution based on therapy received and early pulmonary response. MATERIALS AND METHODS: We retrospectively reviewed patients with newly diagnosed Ewing sarcoma and pulmonary metastases at St. Jude Children's Research Hospital between 1979 and 2015. Data obtained included demographic and treatment characteristics including chemotherapy, local control measures, whole lung irradiation (WLI) administration, autologous stem cell transplantation, and outcomes. Patients were evaluated for radiographic post-induction pulmonary complete response (CR). We estimated event-free survival (EFS) and overall survival (OS) and used Cox proportional hazards regression to examine the effects of clinical and treatment factors on outcomes. RESULTS: Fifty-four patients (median age, 12.9 years) were evaluated. Post-induction pulmonary CR was observed in 33 (61%) patients. WLI was delivered to 16 patients (4/33 with pulmonary CR and 12/21 with non-CR). At median 3.6 years follow-up, five-year EFS and OS were 30.8% ± 6.4% and 49.6% ± 7.1%, respectively. Post-induction pulmonary CR was associated with prolonged EFS (P < 0.001) but not improved OS (P = 0.065). Post-induction pulmonary CR was associated with a lower incidence of lung failure (P = 0.031). CONCLUSIONS: Post-induction pulmonary CR is associated with improved EFS in patients with Ewing sarcoma who present with pulmonary metastases.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Neoplasias Ósseas/mortalidade , Transplante de Células-Tronco Hematopoéticas/mortalidade , Quimioterapia de Indução/mortalidade , Neoplasias Pulmonares/mortalidade , Sarcoma de Ewing/mortalidade , Adolescente , Adulto , Neoplasias Ósseas/secundário , Neoplasias Ósseas/terapia , Criança , Pré-Escolar , Terapia Combinada , Feminino , Seguimentos , Humanos , Neoplasias Pulmonares/secundário , Neoplasias Pulmonares/terapia , Masculino , Prognóstico , Estudos Prospectivos , Estudos Retrospectivos , Sarcoma de Ewing/patologia , Sarcoma de Ewing/terapia , Taxa de Sobrevida , Transplante Autólogo , Adulto Jovem
5.
Cancer ; 125(9): 1518-1526, 2019 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-30602057

RESUMO

BACKGROUND: High-quality oncology care is marked by skillful communication, yet little is known about patient and family communication perceptions or content preferences. Our study sought to elicit pediatric oncology patient and parent perceptions of early cancer communication to establish whether informational needs were met and identify opportunities for enhanced communication throughout cancer care. METHOD: An original survey instrument was developed, pretested, and administered to 129 patients, age 10-18 years, and their parents at 3 cancer centers between 2011 and 2015. Statistical analysis of survey items about perceived communication, related associations, and patient/parent concordance was performed. RESULTS: A greater percentage of participants reported "a lot" of discussion about the physical impact of cancer (patients, 58.1% [n = 75]; parents, 69.8% [n = 90]) compared with impact on quality of life (QOL) (patients, 44.2% [n = 57]; parents, 55.8% [n = 72]) or emotional impact (patients, 31.8% [n = 41]; parents, 43.4% [n = 56]). One fifth of patients (20.9% [n = 27]) reported they had no up-front discussion about the emotional impact of cancer treatment. Parents indicated a desire for increased discussion regarding impact on family life (27.9% [n = 36]), long-term QOL (27.9% [n = 36]), and daily activities (20.2% [n = 26]). Patients more frequently than parents indicated a desire for increased physician/patient discussion around the impact on daily activities (patients, 40.3% [n = 52]; parents, 21.7% [n = 28]; P < .001), long-term QOL (patients, 34.9% [n = 45]; parents, 16.3% [n = 21]; P < .001), pain management (patients, 23.3% [n = 30]; parents, 7% [n = 9]; P < .001), physical symptom management (patients, 24% [n = 31]; parents, 7.8% [n = 10]; P < .001), short-term QOL (patients, 23.3% [n = 30]; parents, 9.3% [n = 12]; P = .001), and curative potential (patients, 21.7% [n = 28]; parents, 8.5% [n = 11]; P = .002, P values calculated using McNemar's test). CONCLUSION: Oncologists may not be meeting the informational needs of many patients and some parents/caregivers. Communication could be enhanced through increased direct physician-patient communication, as well as proactive discussion of emotional symptoms and impact of cancer on QOL.


Assuntos
Comunicação , Necessidades e Demandas de Serviços de Saúde , Oncologia , Neoplasias/terapia , Pediatria , Adolescente , Adulto , Idoso , Cuidadores/psicologia , Cuidadores/estatística & dados numéricos , Criança , Família/psicologia , Feminino , Necessidades e Demandas de Serviços de Saúde/normas , Necessidades e Demandas de Serviços de Saúde/estatística & dados numéricos , Humanos , Masculino , Oncologia/normas , Oncologia/estatística & dados numéricos , Pessoa de Meia-Idade , Neoplasias/epidemiologia , Neoplasias/psicologia , Educação de Pacientes como Assunto/métodos , Educação de Pacientes como Assunto/normas , Educação de Pacientes como Assunto/estatística & dados numéricos , Pediatria/normas , Pediatria/estatística & dados numéricos , Relações Médico-Paciente , Médicos/psicologia , Médicos/normas , Médicos/estatística & dados numéricos , Inquéritos e Questionários
6.
Cancer ; 125(14): 2455-2464, 2019 07 15.
Artigo em Inglês | MEDLINE | ID: mdl-30901077

RESUMO

BACKGROUND: Patients with cancer are increasingly offered genomic sequencing, including germline testing for cancer predisposition or other disorders. Such testing is unfamiliar to patients and families, and clear communication is needed to introduce genomic concepts and convey risk and benefit information. METHODS: Parents of children with cancer were offered the opportunity to have their children's tumor and germline examined with clinical genomic sequencing. Families were introduced to the study with a 2-visit informed consent model. Baseline genetic knowledge and self-reported literacy/numeracy were collected before a study introduction visit, during which basic concepts related to genomic sequencing were discussed. Information was reinforced during a second visit, during which informed consent was obtained and a posttest was administered. RESULTS: As reflected by the percentage of correct answers on the pretest and posttest assessments, this model increased genetic knowledge by 11.1% (from 77.8% to 88.9%; P < .0001) in 121 parents participating in both the study introduction and consent visits. The percentage of parents correctly identifying the meaning of somatic and germline mutations increased significantly (from 18% to 59% [somatic] and from 31% to 64% [germline]; P < .0001). Nevertheless, these concepts remained unfamiliar to one-third of the parents. No relation was identified between the change in the overall percentage of correct answers and self-reported literacy, numeracy, or demographics. CONCLUSIONS: The use of a 2-visit communication model improved knowledge of concepts relevant to genomic sequencing, particularly differences between somatic and germline testing; however, these areas remained confusing to many participants, and reinforcement may be necessary to achieve complete understanding.


Assuntos
Predisposição Genética para Doença , Testes Genéticos/métodos , Células Germinativas , Consentimento Livre e Esclarecido/psicologia , Competência Mental/psicologia , Neoplasias/genética , Pais/educação , Adolescente , Adulto , Idoso , Criança , Feminino , Mutação em Linhagem Germinativa , Humanos , Conhecimento , Masculino , Pessoa de Meia-Idade , Autorrelato , Adulto Jovem
7.
Oncologist ; 23(12): 1525-1532, 2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-29728467

RESUMO

BACKGROUND: In the U.S., more children die from cancer than from any other disease, and more than one third die in the hospital setting. These data have been replicated even in subpopulations of children with cancer enrolled on a palliative care service. Children with cancer who die in high-acuity inpatient settings often experience suffering at the end of life, with increased psychosocial morbidities seen in their bereaved parents. Strategies to preemptively identify children with cancer who are more likely to die in high-acuity inpatient settings have not been explored. MATERIALS AND METHODS: A standardized tool was used to gather demographic, disease, treatment, and end-of-life variables for 321 pediatric palliative oncology (PPO) patients treated at an academic pediatric cancer center who died between 2011 and 2015. Multinomial logistic regression was used to predict patient subgroups at increased risk for pediatric intensive care unit (PICU) death. RESULTS: Higher odds of dying in the PICU were found in patients with Hispanic ethnicity (odds ratio [OR], 4.02; p = .002), hematologic malignancy (OR, 7.42; p < .0001), history of hematopoietic stem cell transplant (OR, 4.52; p < .0001), total number of PICU hospitalizations (OR, 1.98; p < .0001), receipt of cancer-directed therapy during the last month of life (OR, 2.96; p = .002), and palliative care involvement occurring less than 30 days before death (OR, 4.7; p < .0001). Conversely, lower odds of dying in the PICU were found in patients with hospice involvement (OR, 0.02; p < .0001) and documentation of advance directives at the time of death (OR, 0.37; p = .033). CONCLUSION: Certain variables may predict PICU death for PPO patients, including delayed palliative care involvement. Preemptive identification of patients at risk for PICU death affords opportunities to study the effects of earlier palliative care integration and increased discussions around preferred location of death on end-of-life outcomes for children with cancer and their families. IMPLICATIONS FOR PRACTICE: Children with cancer who die in high-acuity inpatient settings often experience a high burden of intensive therapy at the end of life. Strategies to identify patients at higher risk of dying in the pediatric intensive care unit (PICU) have not been explored previously. This study finds that certain variables may predict PICU death for pediatric palliative oncology patients, including delayed palliative care involvement. Preemptive identification of patients at risk for PICU death affords opportunities to study the effects of earlier palliative care integration and increased discussions around preferred location of death on end-of-life outcomes for children with cancer and their families.


Assuntos
Morte , Neoplasias/mortalidade , Cuidados Paliativos/métodos , Feminino , Humanos , Masculino
8.
J Neurooncol ; 136(2): 379-384, 2018 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-29116485

RESUMO

Daytime sleepiness is recognized in childhood brain tumor survivors. Our objective was to determine prevalence, risk factors for PSG/MLST proven hypersomnia/narcolepsy, and response to stimulants in childhood brain tumor survivors. Standard PSG/MSLT criteria were used to diagnose hypersomnia/narcolepsy. Medical records of brain tumor survivors having undergone a PSG/MSLT were reviewed for the diagnostic code of hypersomnia/narcolepsy. Survivors with hypersomnia/narcolepsy were matched with 2-3 survivors without reported hypersomnia/narcolepsy by age at tumor diagnosis, gender, and time from tumor diagnosis. Between January 2000 to April 2015, 39 of the 2336 brain tumor patients treated at our institution were diagnosed with hypersomnia/narcolepsy for a prevalence rate of 1670/100,000. Hypersomnia/narcolepsy was diagnosed at a median of 6.1 years (range 0.4-13.2) from tumor diagnosis and 4.7 years (range - 1.5 to 10.4) from cranial radiation. Midline tumor location (OR 4.6, CI 1.7-12.2, p = 0.002) and anti-epilepsy drug (AED) use (OR 11, CI 2.4-54) correlated with hypersomnia/narcolepsy while radiation dose > 30 Gray trended towards significance (OR 1.8, CI 0.9-3.6); posterior fossa tumor location reduced the risk (OR 0.1, CI 0.04-0.5, p = 0.002). AED use also correlated with midline tumor location. Thirty-seven survivors were treated with stimulants and reported improved wakefulness and school performance [response rate CI 0.97 (0.86-0.99) and 0.83 (0.65-0.94)]. Prevalence of hypersomnia/narcolepsy among childhood brain tumor survivors was higher than the general population. Tumor location and radiation dose were possible risk factors, and stimulants were reported to be beneficial.


Assuntos
Neoplasias Encefálicas/epidemiologia , Distúrbios do Sono por Sonolência Excessiva/epidemiologia , Adolescente , Neoplasias Encefálicas/complicações , Sobreviventes de Câncer , Criança , Distúrbios do Sono por Sonolência Excessiva/complicações , Distúrbios do Sono por Sonolência Excessiva/tratamento farmacológico , Feminino , Humanos , Masculino , Polissonografia , Prevalência , Fatores de Risco , Resultado do Tratamento
9.
Pediatr Blood Cancer ; 65(2)2018 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-28895277

RESUMO

BACKGROUND: In low- and middle-income countries (LMICs), inconsistent or delayed management of fever contributes to poor outcomes among pediatric patients with cancer. We hypothesized that standardizing practice with a clinical algorithm adapted to local resources would improve outcomes. Therefore, we developed a resource-specific algorithm for fever management in Davao City, Philippines. The primary objective of this study was to evaluate adherence to the algorithm. PROCEDURE: This was a prospective cohort study of algorithm adherence to assess the types of deviation, reasons for deviation, and pathogens isolated. All pediatric oncology patients who were admitted with fever (defined as an axillary temperature >37.7°C on one occasion or ≥37.4°C on two occasions 1 hr apart) or who developed fever within 48 hr of admission were included. Univariate and multiple linear regression analyses were used to determine the relation between clinical predictors and length of hospitalization. RESULTS: During the study, 93 patients had 141 qualifying febrile episodes. Even though the algorithm was designed locally, deviations occurred in 70 (50%) of 141 febrile episodes on day 0, reflecting implementation barriers at the patient, provider, and institutional levels. There were 259 deviations during the first 7 days of admission in 92 (65%) of 141 patient episodes. Failure to identify high-risk patients, missed antimicrobial doses, and pathogen isolation were associated with prolonged hospitalization. CONCLUSIONS: Monitoring algorithm adherence helps in assessing the quality of pediatric oncology care in LMICs and identifying opportunities for improvement. Measures that decrease high-frequency/high-impact algorithm deviations may shorten hospitalizations and improve healthcare use in LMICs.


Assuntos
Algoritmos , Febre/terapia , Tempo de Internação , Cooperação e Adesão ao Tratamento , Adolescente , Adulto , Institutos de Câncer , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Neoplasias/terapia , Filipinas , Fatores Socioeconômicos
10.
Pediatr Blood Cancer ; 65(4)2018 04.
Artigo em Inglês | MEDLINE | ID: mdl-29218773

RESUMO

BACKGROUND: The field of pediatric palliative oncology is newly emerging. Little is known about the characteristics and illness experiences of children with cancer who receive palliative care (PC). METHODS: A retrospective cohort study of 321 pediatric oncology patients enrolled in PC who died between 2011 and 2015 was conducted at a large academic pediatric cancer center using a comprehensive standardized data extraction tool. RESULTS: The majority of pediatric palliative oncology patients received experimental therapy (79.4%), with 40.5% enrolled on a phase I trial. Approximately one-third received cancer-directed therapy during the last month of life (35.5%). More than half had at least one intensive care unit hospitalization (51.4%), with this subset demonstrating considerable exposure to mechanical ventilation (44.8%), invasive procedures (20%), and cardiopulmonary resuscitation (12.1%). Of the 122 patients who died in the hospital, 44.3% died in the intensive care unit. Patients with late PC involvement occurring less than 30 days before death had higher odds of dying in the intensive care unit over the home/hospice setting compared to those with earlier PC involvement (OR: 4.7, 95% CI: 2.47-8.97, P < 0.0001). CONCLUSIONS: Children with cancer who receive PC experience a high burden of intensive treatments and often die in inpatient intensive care settings. Delayed PC involvement is associated with increased odds of dying in the intensive care unit. Prospective investigation of early PC involvement in children with high-risk cancer is needed to better understand potential impacts on cost-effectiveness, quality of life, and delivery of goal concordant care.


Assuntos
Cuidados Críticos , Hospitalização , Neoplasias/mortalidade , Neoplasias/terapia , Cuidados Paliativos , Adolescente , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Estudos Retrospectivos
11.
Int J Clin Oncol ; 23(5): 900-907, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-29744604

RESUMO

BACKGROUND: Neoadjuvant chemotherapy is given to children with unresectable hepatoblastoma to increase the rate and safety of curative complete surgical resection. Elevated levels of serum alpha-fetoprotein (sAFP) decline with tumor shrinkage. In this single-institution retrospective study, we determined early dynamic changes of sAFP levels and tumor volume in children during therapy for unresectable hepatoblastoma. METHODS: We correlated early dynamic changes of sAFP levels and tumor volume and the sum of the longest primary tumor and measurable metastatic disease diameters as per RECIST 1.1 criteria with patient outcome. RESULTS: There were 34 patients, 7 of whom died of disease. Patients with ≥ 90% (≥ 1 log10) decrease in sAFP levels after two chemotherapy courses had a better event-free survival (P = 0.039) and overall survival (OS; P = 0.045) than those with < 90% decrease. During this treatment interval, average tumor volume decreased from 481 mL (± 254 mL) to 268 mL (± 258 mL; P < 0.001) which was associated with OS (P = 0.029). Relative change in sAFP levels or tumor volume in between course 2 and pre-surgery or response as per RECIST 1.1 was not associated with OS. CONCLUSION: Early decline of sAFP levels and tumor volume, but not response as per RECIST 1.1 may predict survival in children with unresectable hepatoblastoma. This finding could be useful to identify therapy non-responders for whom alternative interventions may be required for cure. Confirmation of the finding using larger patient cohorts will be necessary before this strategy is incorporated into prospective trials.


Assuntos
Biomarcadores Tumorais/sangue , Hepatoblastoma/tratamento farmacológico , Neoplasias Hepáticas/tratamento farmacológico , alfa-Fetoproteínas/análise , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Criança , Pré-Escolar , Feminino , Hepatoblastoma/mortalidade , Hepatoblastoma/patologia , Humanos , Lactente , Neoplasias Hepáticas/mortalidade , Neoplasias Hepáticas/patologia , Masculino , Terapia Neoadjuvante , Estudos Retrospectivos , Resultado do Tratamento , Carga Tumoral
12.
Cancer ; 123(22): 4419-4429, 2017 Nov 15.
Artigo em Inglês | MEDLINE | ID: mdl-28759114

RESUMO

BACKGROUND: Indications for and delivery of adjuvant therapies for pediatric nonrhabdomyosarcoma soft tissue sarcoma (NRSTS) have been derived largely from adult studies; therefore, significant concern remains regarding radiation exposure to normal tissue. The authors report long-term treatment outcomes and toxicities for pediatric and young adult patients with high-grade NRSTS who were treated on a prospective trial using limited-margin radiotherapy. METHODS: Sixty-two patients (ages 3-22 years) with predominantly high-grade NRSTS requiring radiation were treated on a phase 2 institutional study of conformal external-beam radiotherapy and/or brachytherapy using a 1.5-cm to 2-cm anatomically constrained margin. The estimated cumulative incidence of local failure, Gray's method estimated cumulative incidence of local failure, Kaplan-Meier method estimated survival, competing-risk regression model determined predictors of disease outcome, and toxicity was reported according to CTCAE v2.0. RESULTS: At a median follow-up of 5.1 years (range, 0.2-10.9 years), 9 patients had experienced local failure. The 5-year overall cumulative incidence of local failure was 14.8% (95% confidence interval [CI], 7.2%-25%), and all but 1 local failure occurred outside the highest-dose irradiation volume. The 5-year Kaplan-Meier estimates for event-free and overall survival were 49.3% (95% CI, 36.3%-61.1%) and 67.9% (95% CI, 54.2%-78.3%), respectively. Multivariable analysis indicated that younger age was the only independent predictor of local recurrence (P = .004). The 5-year cumulative incidence of grade 3 or 4 late toxicity was 15% (95% CI, 7.2%-25.3%). CONCLUSIONS: The delivery of limited-margin radiotherapy using conformal external-beam radiotherapy or brachytherapy provides a high rate of local tumor control without an increase in marginal failures and with acceptable treatment-related morbidity. Cancer 2017;123:4419-29. © 2017 American Cancer Society.


Assuntos
Braquiterapia/métodos , Sarcoma/radioterapia , Adolescente , Adulto , Idade de Início , Criança , Pré-Escolar , Feminino , Humanos , Masculino , Radioterapia Adjuvante , Sarcoma/epidemiologia , Sarcoma/patologia , Sarcoma Sinovial/epidemiologia , Sarcoma Sinovial/patologia , Sarcoma Sinovial/radioterapia , Análise de Sobrevida , Adulto Jovem
13.
Cancer ; 123(12): 2352-2359, 2017 Jun 15.
Artigo em Inglês | MEDLINE | ID: mdl-28192596

RESUMO

BACKGROUND: The incorporation of genomic testing to identify targetable somatic alterations and predisposing germline mutations into the clinical setting is becoming increasingly more common. Despite its potential usefulness, to the authors' knowledge physician confidence with regard to understanding and applying genomic testing remains unclear, particularly within the realm of pediatric oncology. METHODS: Before initiating an institutional feasibility study regarding the integration of clinical genomic testing, the authors surveyed pediatric oncologists regarding their confidence around understanding of genomic testing, perceived usefulness of test results, preferences around the disclosure of germline test results, and possible risks and benefits of testing. RESULTS: Among survey respondents (52 of 88 contacted; response rate of 59%), only a minority were confident in interpreting, using, and discussing somatic (35%) or germline (27%) genomic test results. Providers who were confident in interpreting somatic results were significantly more likely to anticipate using the results to plan the treatment of patients with relapsed or refractory cancers (P = .009). Similarly, providers who reported confidence in interpreting germline results were significantly more likely to discuss and use these results as part of clinical care (P<.0001). The majority of physicians (93%), regardless of their level of confidence, wanted to speak to a genetic counselor before disclosing germline test results. CONCLUSIONS: Among physicians at a comprehensive pediatric cancer center, confidence in the interpretation, use, and discussion of oncology-based genomic test results appears to be low, both in terms of somatic and germline testing. To optimize the integration of genomic sequencing into cancer care, methods must be developed to improve basic competencies around cancer-based genomic testing. Given the complexities surrounding variant interpretation and genotype-phenotype relationships, interdisciplinary collaborations are warranted. Cancer 2017;123:2352-2359. © 2017 American Cancer Society.


Assuntos
Atitude do Pessoal de Saúde , Competência Clínica , Testes Genéticos , Oncologia , Neoplasias/genética , Pediatria , Médicos , Revelação , Aconselhamento Genético , Genômica , Mutação em Linhagem Germinativa , Sequenciamento de Nucleotídeos em Larga Escala , Humanos , Mutação , Inquéritos e Questionários
14.
J Pediatr ; 191: 218-224.e1, 2017 12.
Artigo em Inglês | MEDLINE | ID: mdl-29173310

RESUMO

OBJECTIVE: The objective of this study was to determine the effectiveness of trivalent inactivated influenza vaccine (TIV) for the prevention of laboratory-confirmed influenza and influenza-like illnesses (ILI) among children and adolescents receiving therapy for acute leukemia. STUDY DESIGN: A retrospective review of the demographic and clinical characteristics of 498 patients at a pediatric cancer center who received therapy for acute leukemia during 3 successive influenza seasons (2010-2011 through 2012-2013). RESULTS: In 498 patient seasons with a known immunization history (median age, 6 years; range, 1-21), 354 patients (71.1%) were immunized with TIV and 98 (19.7%) received a booster dose of vaccine. Vaccinated and unvaccinated patients had generally similar demographic characteristics. There were no differences in the overall rates of influenza or ILI between vaccinated and unvaccinated patients overall, or in any individual season. There was no difference in the rates of influenza or ILI between patients who received 1 dose of vaccine and those who received 2 doses. Time to first influenza infection and time to first ILI in vaccinated and unvaccinated patients were not different. CONCLUSION: TIV did not protect children and adolescents with acute leukemia against laboratory-confirmed influenza or ILI. Future prospective studies should assess TIV effectiveness in high-risk subpopulations and alternative strategies to prevent influenza should be considered in this population.


Assuntos
Vacinas contra Influenza/administração & dosagem , Influenza Humana/prevenção & controle , Leucemia Mieloide Aguda/complicações , Leucemia-Linfoma Linfoblástico de Células Precursoras/complicações , Adolescente , Criança , Pré-Escolar , Feminino , Seguimentos , Humanos , Lactente , Influenza Humana/epidemiologia , Influenza Humana/etiologia , Modelos Logísticos , Masculino , Estudos Retrospectivos , Resultado do Tratamento , Vacinas de Produtos Inativados/administração & dosagem , Adulto Jovem
15.
Pediatr Blood Cancer ; 64(1): 156-162, 2017 01.
Artigo em Inglês | MEDLINE | ID: mdl-27605076

RESUMO

BACKGROUND: Medical trainees consistently report suboptimal instruction and poor self-confidence in communication skills. Despite this deficit, few established training programs provide comprehensive, pediatric-specific communication education, particularly in the provision of "bad news." To our knowledge, no programs currently use bereaved parent educators to facilitate communication training for pediatric subspecialty trainees. PROCEDURE: The authors designed and implemented a pilot communication training seminar in which bereaved parent educators and faculty facilitators led small groups in interactive, role-play scenarios. Surveys incorporating a retrospective preprogram assessment item to account for response-shift bias were used to assess short- and long-term changes in trainee comfort with delivering "bad news." RESULTS: Fifteen pediatric fellowship trainees participated in the communication seminar; complete data were available for 12 participants. After accounting for response-shift bias, participants reported significant improvement in overall preparedness, breaking bad news to a patient and family, and including the adolescent or young adult patient in conversations. Additionally, participants reported a significant improvement in their ability to address a patient and family's need for information, emotional suffering at the end of life (EOL), if and when a patient should be included in the conversation, and EOL care decisions. The participant's self-perceived improvement in comfort and preparedness persisted over time. CONCLUSIONS: Communication training for pediatric subspecialty trainees using bereaved parent educators is feasible and effective. Both medical trainee and bereaved parent participants benefited from involvement in this pilot study. Further iterations of this training will be modified to assess objective measures of improvement in trainees' communication skills.


Assuntos
Comunicação , Internato e Residência/normas , Oncologia/educação , Pais , Pediatria/educação , Revelação da Verdade , Adolescente , Adulto , Bolsas de Estudo , Feminino , Humanos , Masculino , Projetos Piloto , Prognóstico , Estudos Retrospectivos , Adulto Jovem
16.
J Neurooncol ; 129(2): 373-81, 2016 09.
Artigo em Inglês | MEDLINE | ID: mdl-27344555

RESUMO

To assess health-related quality of life (HRQOL) from the time of diagnosis until disease progression in a cohort of children with diffuse intrinsic pontine glioma (DIPG). The assessment was collected from the perspectives of the child and their parents and evaluated the effect of the child's HRQOL on their parents' physical and mental well-being, thus providing insight into the optimal timing of palliative consultation, including anticipatory grief and bereavement services. This longitudinal study assessed 25 parents and their children, ages 2-17 years of age with DIPG across five time-points, baseline and weeks 2, 4, 6, 16, 24. Assessments included the PedsQL 4.0 Core Scales, PedsQL 3.0 Brain Tumor Scale, and Short-Form 36. HRQOL instruments were completed by the child (age ≥5 years) and parent-proxy (ages 2-17 years), with the parent completing the SF-36. Children's reports and parents' proxy of their child's HRQOL indicated poor physical functioning and increased anxiety at the initiation of therapy. A trending improvement in the children's HRQOL was reported by children and parents from baseline to week 6, with a decline at week 16. The childs' parent proxy reported cognitive problems, procedural anxiety and lower overall brain tumor HRQOL were assoicated with poorer self-reported parental mental status. Palliative care consultation should be initiated at the time of diagnosis and is supported in the high physical and emotional symptom burden reported by our patients, with heightened involvement initiated at 16 weeks. Prompt palliative care involvement, mitigating anxiety associated with clinic visits and procedures, management of brain tumor specific symptoms, advanced care planning, anticipatory grief and bereavement services, and care coordination may maximize HRQOL for patients and ensure positive long-term outcomes for parents of children with DIPG.


Assuntos
Neoplasias do Tronco Encefálico/psicologia , Glioma/psicologia , Pais/psicologia , Procurador/psicologia , Qualidade de Vida/psicologia , Adolescente , Criança , Pré-Escolar , Feminino , Nível de Saúde , Humanos , Masculino , Valor Preditivo dos Testes , Estudos Prospectivos , Estatísticas não Paramétricas , Inquéritos e Questionários , Fatores de Tempo
17.
Pediatr Blood Cancer ; 63(7): 1207-13, 2016 07.
Artigo em Inglês | MEDLINE | ID: mdl-27038395

RESUMO

BACKGROUND: Pegylated interferon α-2b (IFN α-2b) improves disease-free survival in adults with resected stage III melanoma. We conducted a study to determine the feasibility and safety of incorporating pegylated IFN α-2b as adjuvant therapy in the treatment of children and adolescents with high-risk melanoma. Pharmacokinetic studies of IFN α-2b and neuropsychological and quality of life (OL) assessments were performed. PATIENT AND METHODS: Eligible patients with resected American Joint Committee on Cancer Stage IIC, IIIA, and IIIB cutaneous melanoma received nonpegylated IFN α-2b 20 million units/m(2) /day intravenously 5 days per week for 4 weeks (induction) followed by pegylated IFN α-2b 1 µg/kg/dose weekly subcutaneously (SQ) for 48 weeks (maintenance). RESULTS: Twenty-three patients (15 females, median age 10 years) were enrolled. All patients completed induction therapy; five patients did not complete maintenance therapy either because of recurrent disease (n = 2) or toxicity (n = 3). The most common grade 3 and 4 toxicities of pegylated IFN α-2b were neutropenia (35%) and elevated liver transaminases (17%). The median nonpegylated IFN α-2b AUC0-∞ (5,026 pcg⋅hr/ml) was similar to adults. The median pegylated IFN α-2b exposure (48,480 pcg⋅hr/ml) was greater than the cumulative weekly exposure for nonpegylated IFN α-2b administered SQ three times per week (TIW). Validated measures demonstrated an improvement in QOL scores and no decline in psychological functioning over the course of therapy. CONCLUSIONS: Pegylated IFN α-2b 1 µg/kg/dose SQ weekly as maintenance therapy in children and adolescents with high-risk melanoma is feasible with tolerable toxicity and appears to yield higher exposures than nonpegylated IFN α-2b administered SQ TIW.


Assuntos
Interferon-alfa/administração & dosagem , Melanoma/tratamento farmacológico , Melanoma/mortalidade , Polietilenoglicóis/administração & dosagem , Adolescente , Adulto , Criança , Pré-Escolar , Intervalo Livre de Doença , Feminino , Humanos , Interferon alfa-2 , Interferon-alfa/efeitos adversos , Masculino , Polietilenoglicóis/efeitos adversos , Proteínas Recombinantes/administração & dosagem , Proteínas Recombinantes/efeitos adversos , Fatores de Risco , Taxa de Sobrevida , Adulto Jovem
18.
Support Care Cancer ; 24(6): 2421-7, 2016 06.
Artigo em Inglês | MEDLINE | ID: mdl-26634562

RESUMO

PURPOSE: The primary objective of this study was to examine the relationship between play-based procedural preparation and support intervention and use of sedation in children with central nervous system (CNS) tumors during radiation therapy. The secondary objective was to analyze the cost-effectiveness of the intervention compared to costs associated with daily sedation. METHODS: A retrospective chart review was conducted, and 116 children aged 5-12 years met criteria for inclusion. Outcome measures included the total number of radiation treatments received, the number of treatments received with and without sedation, and the type and duration of interventions, which consisted of developmentally appropriate play, education, preparation, and distraction provided by a certified child life specialist. RESULTS: The results of univariate analyses showed that age, tumor location, and total number and duration of interventions were significantly associated with sedation use during radiation therapy. Multivariate analyses showed that, after adjustment for age, tumor location, and craniospinal radiation, a significant relationship was found between the total number and duration of the interventions and sedation use. The implementation of a play-based procedural preparation and support intervention provided by a certified child life specialist significantly reduced health-care costs by decreasing the necessity of daily sedation. CONCLUSIONS: Support interventions provided by child life specialists significantly decreased both sedation use and the cost associated with daily sedation during cranial radiation therapy in children with CNS tumors. This study supports the value of the child life professional as a play-based developmental specialist and a crucial component of cost-effective healthcare.


Assuntos
Neoplasias do Sistema Nervoso Central/radioterapia , Irradiação Craniana/métodos , Ludoterapia/métodos , Neoplasias do Sistema Nervoso Central/psicologia , Criança , Análise Custo-Benefício , Irradiação Craniana/psicologia , Feminino , Humanos , Masculino , Avaliação de Resultados em Cuidados de Saúde , Estudos Retrospectivos
20.
Cancer ; 121(24): 4416-24, 2015 Dec 15.
Artigo em Inglês | MEDLINE | ID: mdl-26348790

RESUMO

BACKGROUND: This qualitative study investigated the medical decision-making preferences of adolescent oncology patients and the parental and clinician behaviors that adolescents report to be supportive of their preferred level of decision-making involvement. METHODS: Interviews were conducted with 40 adolescents between the ages of 12 and 18 years who were undergoing cancer treatment in Memphis, Tenn or Washington, DC. Role preferences were converted into a predetermined Likert scale decisional preference score. A semantic content analysis was used to analyze patient reports of parental behaviors, attitudes, knowledge levels, and relational interactions that facilitated their preferred level of involvement in decision making. Clinician behaviors described as supportive of decisional processes were also categorized thematically. A teen advisory council validated study findings. Data reporting followed strict adherence to Consolidated Criteria for Reporting Qualitative Research guidelines. RESULTS: Adolescents indicated a spectrum of preferred decisional roles, with the most common being an actively involved role (26 of 40 or 65%), although a shared decision-making approach was still valued. There was no statistically significant difference in the preferred decisional role with respect to demographic or medical characteristics, including the relapse status, although adolescents who preferred autonomous interview settings were more likely to prefer active decisional roles (P < .001). Adolescents recognized that situational and social contexts might shift their preferred level of involvement in medical decisions. Although adolescents wanted to be involved in decisions, they also expressed an appreciation of family insight, parental presence, and clinician guidance. CONCLUSIONS: Adolescents with cancer are able to retrospectively identify their preferences for inclusion in medical decision making, and even when preferring involvement, they value the input of trusted others.


Assuntos
Neoplasias/terapia , Participação do Paciente , Preferência do Paciente , Adolescente , Criança , Comunicação , Tomada de Decisões , Feminino , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Masculino , Neoplasias/psicologia , Relações Médico-Paciente , Pesquisa Qualitativa
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA