Successful Fertility Restoration after Allogeneic Hematopoietic Stem Cell Transplantation
2014
Objective: Myeloablative conditioning regimens given prior to hematopoietic stem cell transplantation (HSCT) frequently cause permanent sterility in men. In patients with sickle cell disease (SCD) we use a nonmyeloablative regimen with sirolimus, alemtuzumab, and low-dose total-body irradiation (300 centigrays) with gonadal shielding preceding allogeneic HSCT. We report here the restoration of azoospermia in a patient with SCD after allogeneic HSCT. We discuss the impact of our patient's underlying chronic medical conditions and the therapies he had received (frequent blood transfusions, iron chelating drugs, ribavirin, hydroxyurea, opioids), as well as the impact of the nonmyeloablative conditioning regimen on male gonadal function, and we review the literature on this topic.Methods: We determined the patient's reproductive hormonal values and his semen parameters before, during, and after HSCT and infertility treatment. In addition, we routinely measured his serum laboratory parameters pertinent to SCD ...
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