Immunosuppressive serum levels in allogeneic hematopoietic stem cell transplantation: pharmaceutical care contribution
Background: Cyclosporine and tacrolimus are limited by a narrow therapeutic window. Maintaining immunosuppressive drugs at desired levels may be difficult. Pharmaceutical care emerges as a philosophy of practice that enhances medication use and leads to a better control of serum concentration.
Objective: This study aims to evaluate the impact of pharmaceutical care in the maintaining of proper serum levels of immunosuppressive medications in patients who have undergone allo-HSCT.
Methods: The study had a quasi-experimental design that included a comparison group. The service model used was pharmacotherapy follow-up, according to an adaptation of the Dader method. The pharmacist consultation was carried out at a day-hospital or at the outpatient hematology clinic as needed. The intervention group consisted of 22 patients seen by a clinical pharmacist. The control group consisted of 44 patients that received standard care. This study aims to evaluate the impact of pharmaceutical care on keeping patient serum levels of cyclosporine and tacrolimus within the desired range.
Results: Control group displayed 65% of the proper serum levels of immunosuppressive agents. While In intervention group, the figure was 82% (p = 0.004).
Conclusion: The role of the pharmacist in the multidisciplinary team may contribute to a greater success in attaining the patients’ therapeutic targets with regard to the use of immunosuppressant.
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