To empower CCSs, they should be evaluated periodically regarding PTSS and PTG and should be provided appropriate care and feedback. The fact that the mental health status of young adult SIBs was similar to CONTs at 15 years after their siblings' diagnoses may help reassure parents who worry about mental health among the siblings of an affected child during and after his/her treatment.

Social outcomes and quality of life (QOL) of childhood cancer survivors (CCSs) remain unknown in Japan. We investigated these outcomes in young adult CCSs compared to those of their siblings in Japan, and analyzed the association between social outcome and SF-36 health survey subscale scores. Between 2007 and 2009, we performed a cross-sectional survey using self-rating questionnaires. We estimated social outcomes and health-related QOL by performing the SF-36 in each group: CCSs with or without stem cell transplantation (SCT)/radiotherapy (RT) and their siblings. Adjusted odds ratios for outcomes of interest were estimated using logistic regression analysis. Questionnaires from 185 CCSs and 72 CCS's siblings were analyzed. There were no differences in educational attainment or annual income. The SF-36 subscale scores of CCSs with SCT and RT were significantly lower than those of siblings in physical functioning (PF) (p < 0.001 and 0.003, respectively) and general health (GH) (both p = 0.001). Lower PF scores correlated with recurrence (p = 0.041) and late effects (p = 0.010), and poor GH scores with late effects (p = 0.006). The CCSs had made efforts to attain educational/vocational goals; however, a significant proportion of CCSs who had experienced late effects remain at increased risk of experiencing diminished QOL.

To examine the late effects and health-related quality of life among childhood cancer survivors (CCS) after stem cell transplantation (SCT), we performed a cross-sectional survey using self-rating questionnaires. The subjects were divided into 3 groups: SCT-treated CCS, CCS treated without SCT, and the general population who matched for age, gender, residential area, and work status with the CCS. We analyzed the questionnaires of 185 CCS and 1,000 control participants. The median ages of CCS at diagnosis and survey were 8 and 22 years, respectively. The mean final heights of male and female participants were significantly lower for SCT-treated CCS than for CCS treated without SCT and the controls. Among the SCT-treated CCS, >40% were underweight (BMI < 18.5). Late effects were observed in 78% of SCT-treated CCS versus 45% of CCS treated without SCT. Multivariate analysis revealed that >15 years' duration after therapy completion (OR 2.95; p = 0.014), solid tumors (4.31; p = 0.040), radiotherapy (2.82; p = 0.009), recurrence (4.22; p = 0.017), and SCT (3.39; p = 0.014) were significant risk factors for late effects. Subjective symptoms were significantly frequent in SCT-treated CCS. Physical dysfunction, psychological stress, and social adaptation problems were observed in >70% of SCT-treated CCS.

To examine the late effects and health-related quality of life of childhood cancer survivors (CCS) after radiotherapy (RT), we performed a cross-sectional survey using self-rating questionnaires. The subjects were divided into 3 groups: CCS treated with or without RT, and a general population matched for age, gender, residential area, and work status. The numbers in each group were 113, 72, and 1,000, respectively. The median ages of CCS at diagnosis and the time of the survey were 8 and 22 years, respectively. The mean final heights of males and females were significantly lower in CCS with RT than in the other 2 groups. Risk factors for a short stature were total body irradiation (TBI) [odds ratio (OR) 17.8, p < 0.001], spinal irradiation (OR 8.31, p = 0.033), and an age younger than 10 years at diagnosis. Late effects were observed in 68% of CCS with RT compared with 36% of CCS without RT. Multivariate analysis revealed that TBI was significantly associated with endocrine dysfunction (OR 12.3), skull and spinal irradiation with cognitive dysfunction (OR 16.1 and 11.5, respectively), and spinal irradiation with a short stature (OR 14.1), respectively. Physical dysfunction, psychological stress, and problems of social adaptation were observed in >50% of CCS with RT.

Many adolescent/young adult childhood cancer survivors could be suffering from ongoing late effects that stem from cancer and its treatment. Overall health monitoring for childhood cancer survivors can provide indispensable benefits.