The treatment of visceral leishmaniasis (VL) in HIV-infected patients is characterized by having a protracted course and frequent relapses, despite the use of adequate anti-leishmanial drugs and effective anti-retroviral therapy. A small subset of patients with significant splenomegaly develops severe cytopaenias and chronic leishmania infection. The use of elective splenectomy is effective for restoring the haematological parameters and reduces the need for blood transfusions but it does not avoid relapsing visceral leishmaniasis.
We carried out a retrospective and descriptive study of 4 HIV infected patients with relapsing visceral leishmaniasis (VL) seen at 2 tertiary-care hospitals in Spain during the last 6 y, in whom miltefosine was used as a compassionate use treatment at a dosage of 50 mg b.i.d. Patients had a medium CD4 lymphocyte count of 69 cells/microl and were C stage. All patients received at least 2 different anti-leishmanial drugs and had at least 3 relapses before miltefosine treatment (range 3-7). Three patients were treated with miltefosine at a standard dose of 50 mg b.i.d. for 28 d, and the other during 12 months. Despite an initial symptomatic improvement, miltefosine treatment failed to eradicate the infection in all cases. We conclude that the use of miltefosine alone is not strong enough to cure relapsing VL in HIV-1 controlled infected patients.
Several approved therapies for multicentric Castleman disease (MCD) cannot be uniformly applied due to intolerable side effects. There is also a high percentage of recurrence of this disease despite treatment. Rituximab may be effective in controlling MCD in a subset of patients. This paper includes a brief case report and an extensive review of previously published cases. We observed an aggravation of concomitant cutaneous Kaposi sarcoma, and hypothesize that rituximab could have exacerbated it.
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