Ashraf Tawfik Soliman, Mohamed Yassin, Fawzia AlYafei, Lolwa Al-Naimi, Noora Almarri, Aml Sabt, Vincenzo De Sanctis
  • Ashraf Tawfik Soliman
    Division of Pediatric Endocrinology Hamad Medical Center Doha Qatar, Qatar | ATSOLIMAN@yahoo.com
  • Mohamed Yassin
    Affiliation not present
  • Fawzia AlYafei
    Affiliation not present
  • Lolwa Al-Naimi
    Affiliation not present
  • Noora Almarri
    Affiliation not present
  • Aml Sabt
    Affiliation not present
  • Vincenzo De Sanctis
    Affiliation not present


With regular blood transfusion and iron chelation therapy, most patients with thalassemia major (BTM) now survive beyond the third decade of life . Liver disease is becoming an important cause of morbidity and mortality in these patients. Chronic hepatitis and/or severe iron overload are important causes of liver pathology. Iron chelation with desferrioxamine (Desferal)  reduces excessive body iron, but its efficacy is limited by poor compliance and dose related toxicity. The recent use of Deferasirox (Exjade- DFX ), an  oral single dose therapy has improved the compliance to chelation therapy.

Aims: To study the long-term liver functions in BMT patients, seronegative for liver infections before versus after DFX therapy in relation to ferritin level and IGF-I level.

Methods: Liver function tests including: serum bilirubin, alanine transferase (ALT), aspartate transferase (AST) , albumin, insulin-like growth factor – I (IGF-I) and serum ferritin concentrations were followed every 6 months in 40 patients with BTM, with hepatitis negative screening (checked every year), for at  least   five years of DFO therapy and 4-5 years of DFX therapy .

Results: DFX  therapy (20 mg/kg/day)  significantly decreased serum ferritin level in patients with BTM, this was associated with significant decrease in serum ALT, AST, ALP and increase in IGF-I concentrations. Albumin concentrations did not change after DFX treatment. ALT and AST levels were correlated significantly with serum  ferritin concentrations ( r = 0.45 and 0.33 respectively , p < 0.05) . IGF-I concentrations were correlated significantly with serum ALT (r= 0.26, p = 0.05) but not with AST, ALP, bilirubin or albumin levels.

The negative correlation between serum ferritin concentrations and ALT suggests that impairment of hepatic function negatively affects IGF-I synthesis in these patients due to iron toxicity, even in the absence of hepatitis.

Conclusions: Some impairment of liver function can occur in hepatitis negative BMT patients with iron overload. The use of DFX was associated with mild but significant reduction of ALT, AST and ALP and increase in IGF-I levels. The negative correlation between IGF-I and ALT concentrations suggest that preventing hepatic dysfunction may improve the growth potential in these patients.


Thalassemia, liver enzymes, Insulin-like growth factor-I (IGF-I), chelation therapy

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Submitted: 2014-07-21 14:08:34
Published: 2014-04-06 00:00:00
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