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Effect of Recombinant Human Growth Hormone (rhGH) on Hemoglobin Concentration in Children With Idiopathic Growth Hormone Deficiency-related Anemia

Miniero, Roberto MD; Altomare, Federica MD; Rubino, Mario MD; Matarazzo, Patrizia MD; Montanari, Claudio MD; Petri, Antonella MD; Raiola, Giuseppe MD; Bona, Gianni MD

Journal of Pediatric Hematology/Oncology: August 2012 - Volume 34 - Issue 6 - p 407–411
doi: 10.1097/MPH.0b013e318253f082
Original Articles

Normocytic-normochromic anemia (NC/NC) has been attributed to impaired bone marrow erythropoiesis in growth hormone (GH)-deficient patients. Moreover, the GH/insulin-like growth factor-1 (IGF-1) axis has been implicated in erythropoiesis regulation. In this retrospective multicenter study, we evaluated the incidence of NC/NC anemia in 279 children (196 boys), median age 10.52 years, with isolated idiopathic GH deficiency, and the effect of recombinant human growth hormone (rhGH) therapy on hemoglobin levels. At 6-month intervals, we recorded the Hb standard deviation score (Hb-SDS), the IGF-1-SDS, weight, height, and pubertal stage. Forty-one boys and 7 girls had NC/NC anemia before starting substitutive therapy (−2.59 SD). The Hb-SDS was significantly increased (P<0.05) after 12 months of rhGH therapy. The effect of rhGH continued up to 48 months (−0.39 SD), at which point all children had normal hemoglobin values. In conclusion, rhGH therapy resulted in normal hemoglobin values in all children enrolled in the study. These data support the concept that the GH/IGF-1 axis promotes erythropoiesis in vivo.

*Pediatric Unit, Department of Internal Medicine and Surgery, “Magna Graecia” University Catanzaro

§Pugliese Hospital, Catanzaro

Pediatric Hospital “Regina Margherita”, OIRM, University of Turin

Pediatric Department “San Luigi di Orbassano” University, Torino

Pediatric Department “Piemonte Orientale” University, Novara, Italy

G.R. and G.B. contributed equally.

The authors declare no conflict of interest.

Reprints: Roberto Miniero, MD, Pediatric Unit, Department of Internal Medicine and Surgery, “Magna Graecia” University Catanzaro, Campus Salvatore Venutra, Loc. Gertianeto, 88100 Catanzaro, Italy (e-mail:

Received May 3, 2011

Accepted March 3, 2012

Copyright © 2012 Wolters Kluwer Health, Inc. All rights reserved.