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1.  Suicide Ideation and Associated Mortality in Adult Survivors of Childhood Cancer 
Cancer  2013;120(2):271-277.
Background
Adult survivors of childhood cancer are at-risk for suicide ideation, though longitudinal patterns and rates of recurrent suicide ideation are unknown. We investigated the prevalence of late report (i.e. post-initial assessment) and recurrent suicide ideation in adult survivors of childhood cancer, identified predictors of suicide ideation, and examined associations among suicide ideation and mortality.
Methods
Participants included 9,128 adult survivors of childhood cancer and 3,082 sibling controls enrolled in the Childhood Cancer Survivor Study who completed a survey question assessing suicide ideation on one or more occasions between 1994 and 2010. Suicide ideation was assessed using the Brief Symptom Inventory-18. Mortality data was ascertained from the National Death Index.
Results
Survivors were more likely to report late (Odds Ratio (OR) =1.9; 95% Confidence Interval (CI) =1.5–2.5) and recurrent suicide ideation (OR=2.6, 95% CI=1.8–3.8) compared to siblings. Poor physical health status was associated with increased risk of suicide ideation in survivors (late report: OR=1.9, 95% CI=1.3–2.7; recurrent: OR=1.9, 95% CI=1.2–2.9). Suicide ideation was associated with increased risk for all-cause mortality (Hazard Ratio (HR) =1.3, 95% CI=1.03–1.6) and death by external causes (HR=2.4, 95% CI=1.4–4.1).
Conclusion
Adult survivors of childhood cancer are at-risk for late report and recurrent suicide ideation, which is associated with increased risk of mortality. Routine screening for psychological distress in adult survivors appears warranted, especially for survivors who develop chronic physical health conditions.
doi:10.1002/cncr.28385
PMCID: PMC3947253  PMID: 24122148
childhood cancer; survivorship; suicide; mortality; late effects
2.  Psychoactive Medication Use and Neurocognitive Function in Adult Survivors of Childhood Cancer: A Report from the Childhood Cancer Survivor Study 
Pediatric blood & cancer  2012;60(3):486-493.
Background
Adult survivors of childhood cancer are at risk for long-term morbidities, which may be managed pharmacologically. Psychoactive medication treatment has been associated with adverse effects on specific neurocognitive processes in non-cancer populations, yet these associations have not been examined in adult survivors of childhood cancer.
Procedure
Outcomes were evaluated in 7,080 adult survivors from the Childhood Cancer Survivor Study using a validated self-report Neurocognitive Questionnaire. Multivariable logistic regression models were used to calculate odds ratios (OR) and 95% confidence intervals (CI) for neurocognitive impairment using demographic and treatment factors and survivors’ report of prescription medication use.
Results
Controlling for cranial radiation, pain, psychological distress, and stroke/seizure, use of antidepressant medications was associated with impaired task efficiency (OR=1.80, 95% CI=1.47–2.21), organization (OR=1.83, 95% CI=1.48–2.25), memory (OR=1.53, 95% CI=1.27–1.84) and emotional regulation (OR=2.06, 95% CI=1.70–2.51). Neuroleptics and stimulants were associated with impaired task efficiency (OR=2.46, 95% CI=1.29–4.69; OR=2.82, 95% CI=1.61–4.93, respectively) and memory (OR=2.08, 95% CI=1.13–3.82; OR=2.69, 95% CI=1.59–4.54, respectively). Anticonvulsants were associated with impaired task efficiency, memory and emotional regulation, although survivors who use these medications may be at risk for neurocognitive impairment on the basis of seizure disorder and/or underlying tumor location (CNS).
Conclusions
These findings suggest that specific psychoactive medications and/or mental health conditions may be associated with neurocognitive function in adult survivors of childhood cancer. The extent to which these associations are causal or indicative of underlying neurological impairment for which the medications are prescribed remains to be ascertained.
doi:10.1002/pbc.24255
PMCID: PMC3494805  PMID: 22848025
psychoactive medication; neurocognition; survivorship
3.  Pain in Long-Term Adult Survivors of Childhood Cancers and Their Siblings: A Report from the Childhood Cancer Survivor Study 
Pain  2011;152(11):2616-2624.
Little is known about pain among long-term adult survivors of childhood cancers. The study investigated pain prevalence in this population compared with sibling controls and examined pain-related risk factors. Three self-reported pain outcomes including pain conditions, prescription analgesics used, and pain attributed to cancer and treatment were assessed among 10,397 cancer survivors and 3,034 sibling controls from the Childhood Cancer Survivor Study (CCSS). Pain conditions (pain/abnormal sensation, migraines, and other headaches) were reported by 12.3%, 15.5%, and 20.5% of survivors respectively; 16.7% of survivors reported use of prescription analgesics, and 21% attributed pain to cancer and treatment. Risks of reporting pain conditions and using prescription analgesics were higher among survivors than siblings adjusting for sociodemographic factors. Younger age at diagnosis and a history of non-Hodgkin lymphoma, Wilms tumor, or neuroblastoma (compared to leukemia) were associated with greater risk of reporting pain conditions. A history of bone cancer or soft tissue sarcoma (compared to leukemia) was associated with greater risks of using prescription analgesics and cancer-related pain attribution. Non-brain directed scatter irradiation was associated with elevated risk for migraines and cancer-related pain attribution. Female gender and lower educational attainment were associated with increased reports of all three pain outcomes; minority status, unemployment, and being single were associated with greater risks for reporting pain conditions. These findings contribute to the understanding of pain and associated risk factors among adult survivors of childhood cancer and suggest areas of focus for pain intervention.
doi:10.1016/j.pain.2011.08.006
PMCID: PMC3304496  PMID: 21907493
Long-term adult survivors of childhood cancer; Self-reported pain; Pain attribution; Risk factors
4.  Neurocognitive Status in Long-Term Survivors of Childhood CNS Malignancies: A Report from the Childhood Cancer Survivor Study 
Neuropsychology  2009;23(6):705-717.
Background
Among survivors of childhood cancer, those with Central Nervous System (CNS) malignancies have been found to be at greatest risk for neuropsychological dysfunction in the first few years following diagnosis and treatment. This study follows survivors to adulthood to assess the long term impact of childhood CNS malignancy and its treatment on neurocognitive functioning.
Participants & Methods
As part of the Childhood Cancer Survivor Study (CCSS), 802 survivors of childhood CNS malignancy, 5937 survivors of non-CNS malignancy and 382 siblings without cancer completed a 25 item Neurocognitive Questionnaire (CCSS-NCQ) at least 16 years post cancer diagnosis assessing task efficiency, emotional regulation, organizational skills and memory. Neurocognitive functioning in survivors of CNS malignancy was compared to that of non-CNS malignancy survivors and a sibling cohort. Within the group of CNS malignancy survivors, multiple linear regression was used to assess the contribution of demographic, illness and treatment variables to reported neurocognitive functioning and the relationship of reported neurocognitive functioning to educational, employment and income status.
Results
Survivors of CNS malignancy reported significantly greater neurocognitive impairment on all factors assessed by the CCSS-NCQ than non-CNS cancer survivors or siblings (p<.01), with mean T scores of CNS malignancy survivors substantially more impaired that those of the sibling cohort (p<.001), with a large effect size for Task Efficiency (1.16) and a medium effect size for Memory (.68). Within the CNS malignancy group, medical complications, including hearing deficits, paralysis and cerebrovascular incidents resulted in a greater likelihood of reported deficits on all of the CCSS-NCQ factors, with generally small effect sizes (.22-.50). Total brain irradiation predicted greater impairment on Task Efficiency and Memory (Effect sizes: .65 and .63, respectively), as did partial brain irradiation, with smaller effect sizes (.49 and .43, respectively). Ventriculoperitoneal (VP) shunt placement was associated with small deficits on the same scales (Effect sizes: Task Efficiency .26, Memory .32). Female gender predicted a greater likelihood of impaired scores on 2 scales, with small effect sizes (Task Efficiency .38, Emotional Regulation .45), while diagnosis before age 2 years resulted in less likelihood of reported impairment on the Memory factor with a moderate effect size (.64). CNS malignancy survivors with more impaired CCSS-NCQ scores demonstrated significantly lower educational attainment (p<.01), less household income (p<.001) and less full time employment (p<.001).
Conclusions
Survivors of childhood CNS malignancy are at significant risk for impairment in neurocognitive functioning in adulthood, particularly if they have received cranial radiation, had a VP shunt placed, suffered a cerebrovascular incident or are left with hearing or motor impairments. Reported neurocognitive impairment adversely affected important adult outcomes, including education, employment, income and marital status.
doi:10.1037/a0016674
PMCID: PMC2796110  PMID: 19899829
Neurocognitive functioning; brain tumors; CNS malignancies; Childhood Cancer Survivor Study
5.  The Childhood Cancer Survivor Study: A National Cancer Institute–Supported Resource for Outcome and Intervention Research 
Journal of Clinical Oncology  2009;27(14):2308-2318.
Survival for childhood cancer has increased dramatically over the last 40 years with 5-year survival rates now approaching 80%. For many diagnostic groups, rapid increases in survival began in the 1970s with the broader introduction of multimodality approaches, often including combination chemotherapy with or without radiation therapy. With this increase in rates of survivorship has come the recognition that survivors are at risk for adverse health and quality-of-life outcomes, with risk being influenced by host-, disease-, and treatment-related factors. In 1994, the US National Cancer Institute funded the Childhood Cancer Survivor Study, a multi-institutional research initiative designed to establish a large and extensively characterized cohort of more than 14,000 5-year survivors of childhood and adolescent cancer diagnosed between 1970 and 1986. This ongoing study, which reflects the single most comprehensive body of information ever assembled on childhood and adolescent cancer survivors, provides a dynamic framework and resource to investigate current and future questions about childhood cancer survivors.
doi:10.1200/JCO.2009.22.3339
PMCID: PMC2677920  PMID: 19364948

Results 1-5 (5)