Long-term Follow-up for Survivors of Childhood Cancer in Saudi Arabia: A Multicenter Cross-Sectional Study.
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BACKGROUND: With the advancement of childhood cancer therapy, long-term survivors are on the rise. Reports on childhood cancer survivors in Saudi Arabia are scarce. This study aims to assess the spectrum and burden of long-term complications among survivors of childhood cancer in Saudi Arabia. METHODS: This cross-sectional study, conducted at multiple cancer centers in Saudi Arabia, enrolled survivors who had been diagnosed with cancer before the age of 14 and had completed at least 5 years after completion of cancer therapy. The primary outcome was to estimate the prevalence of chronic health conditions (CHC) among these survivors. The secondary outcome was to assess the impact of primary cancer diagnosis and cancer therapies on the occurrence of CHC. RESULTS: A total of 305 survivors met the inclusion criteria as of July 2022. Females were 165 participants. The median follow-up and age at evaluation were 8.5 and 14 years, respectively. Leukemia was the most common cancer type (49.3%), followed by lymphoma (16.7%) and solid tumors (15.7%). Chemotherapy was administered to 287 survivors. Radiotherapy and surgery were used in 29.2% and 22.3% of cases, respectively. Seventy-eight percent of participants experienced at least 1 CHC, with 31.1% and 14.2% having 2 and 3 CHC, respectively. A multivariate logistic regression identified significant association between CHC and solid tumors compared to hematological malignancies (OR 2.2; 95% CI: 1.1-4.3; P = .023). Growth impairment was the most common CHC, followed by endocrinopathy. Radiotherapy was significantly associated with short stature (95% CI: 1.2-3.6; P = .008). The majority of CHC, 77.3%, were mild in severity, while 19.3% were moderate, 2.9% were severe, and .5% were life-threatening. CONCLUSION: The long-term complications of childhood cancer have revealed a prevalent concern. To optimize health outcomes, it is essential to implement well-structured and long-term follow-up tailored to risk profiles, utilize cost-effective screening methods, and promote prospective clinical research and establishment of a registry.