Medical and pediatric oncology · 1998
Growth and endocrinological disorders up to 21 years after treatment for acute lymphoblastic leukemia in childhood.
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Birkebaek N H, Fisker S, Clausen N, Tuovinen V, Sindet-Pedersen S, Christiansen J S
Аннотация
BACKGROUND: Our aim was to evaluate endocrinological status 10-21 years after treatment for childhood acute lymphoblastic leukemia (ALL) with chemotherapy (C) and cranial irradiation (C + I) or only C, and to correlate the endocrine data with growth parameters.
PROCEDURE: Of 30 patients (15 females and 15 males), 18 were treated with C + I and 12 were treated with C only. Height standard deviation score (HSDS) and body mass index standard deviation score (BMISDS) before treatment, at end of treatment, and at follow-up were calculated from height and weight registered from the charts. At follow-up examinations, provocative growth hormone (GH) tests (clonidine and insulin tolerance test) and an ACTH test were performed. Furthermore, blood samples for hormonal analysis, IGF-I, IGFBP-3, GHBP, and leptin were drawn.
RESULTS: Eleven patients (9 treated with C + I and 2 treated with C) showed insufficient response to GH tests. Two patients had hypogonadism. HSDS and IGF-I were significantly lower and GHBP significantly higher in GH-deficient patients compared to the group with normal GH secretion at follow-up. BMISDS steadily increased from start of treatment until follow-up, independent of GH status at follow-up. BMISDS at follow-up was positively correlated with serum leptin (P < 0.001), and serum leptin was significantly higher in the cranial irradiated group as compared to the nonirradiated group.
CONCLUSIONS: GH deficiency is frequently found at long-term follow-up in patients treated for childhood ALL. Other hormonal deficiencies are rare. HSDS at long-term follow-up is dependent on GH secretory status. Long-term endocrinological follow-up examinations in patients treated for childhood ALL are recommended, as hormonal replacement therapy may be indicated.
PROCEDURE: Of 30 patients (15 females and 15 males), 18 were treated with C + I and 12 were treated with C only. Height standard deviation score (HSDS) and body mass index standard deviation score (BMISDS) before treatment, at end of treatment, and at follow-up were calculated from height and weight registered from the charts. At follow-up examinations, provocative growth hormone (GH) tests (clonidine and insulin tolerance test) and an ACTH test were performed. Furthermore, blood samples for hormonal analysis, IGF-I, IGFBP-3, GHBP, and leptin were drawn.
RESULTS: Eleven patients (9 treated with C + I and 2 treated with C) showed insufficient response to GH tests. Two patients had hypogonadism. HSDS and IGF-I were significantly lower and GHBP significantly higher in GH-deficient patients compared to the group with normal GH secretion at follow-up. BMISDS steadily increased from start of treatment until follow-up, independent of GH status at follow-up. BMISDS at follow-up was positively correlated with serum leptin (P < 0.001), and serum leptin was significantly higher in the cranial irradiated group as compared to the nonirradiated group.
CONCLUSIONS: GH deficiency is frequently found at long-term follow-up in patients treated for childhood ALL. Other hormonal deficiencies are rare. HSDS at long-term follow-up is dependent on GH secretory status. Long-term endocrinological follow-up examinations in patients treated for childhood ALL are recommended, as hormonal replacement therapy may be indicated.