Journal
EUROPEAN JOURNAL OF ENDOCRINOLOGY
Volume 183, Issue 4, Pages 471-480Publisher
BIOSCIENTIFICA LTD
DOI: 10.1530/EJE-20-0369
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Funding
- EDF
- Fondation ARC (Program PopHARC)
- Societe Francaise des Cancers de l'Enfant
- Ligue Nationale Contre le Cancer (LNCC)
- Institut de Recherche en Sante Publique (IRESP)
- Agence Nationale pour la Recherche (Projet Hope-Epi)
- Fondation Pfizer for the childhood and adolescent health
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Context: Growth hormone (GH) deficiency is a common late effect of cranial irradiation. However, concerns have been raised that GH treatment might lead to an increased risk of a second neoplasm (SN). Objective: To study the impact of GH treatment on the risk of SN in a French cohort of survivors of childhood cancer (CCS) treated before 1986. Design and setting: Cohort study and nested case-control study. Participants: Of the 2852 survivors, with a median follow-up of 26 years, 196 had received GH therapy (median delay from cancer diagnosis: 5.5 years). Main outcome measures: Occurrence of SN Results: In total, 374 survivors developed a SN, including 40 who had received GH therapy. In a multivariate analysis, GH treatment did not increase the risk of secondary non-meningioma brain tumors (RR: 0.6, 95% CI: 0.2-1.5, P = 0.3), secondary non-brain cancer (RR: 0.7, 95% CI: 0.4-1.2, P = 0.2), or meningioma (RR: 1.9, 95% CI: 0.9-4, P = 0.09). Nevertheless, we observed a slight non-significant increase in the risk of meningioma with GH duration: 1.6-fold (95% CI: 1.2-3.0) after an exposure of less than 4 years vs 2.3-fold (95% CI: 0.9-5.6) after a longer exposure (P for trend = 0.07) confirmed by the results of a case-control study. Conclusion: This study confirms the overall safety of GH use in survivors of childhood cancer, which does not increase the risk of a SN. The slight excess in the risk of meningioma in patients with long-term GH treatment is non-significant and could be due to difficulties in adjustment on cranial radiation volume/dose and/or undiagnosed meningioma predisposing conditions.
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