Two cases of fungemia due to Lomentospora prolificans in haematological patients with different outcome.

Lomentospora prolificans is an uncommon cause of invasive fungal disease, but it is associated with high mortality because it is difficult to treat. Most of severe cases are produced in immunossupressed patients, especially in those with neutropenia and/or hematological malignancies. Resistance to the majority of antifungal agents can be still observed. Here we report two cases of L. prolificans fungemia with different outcome, since in one of these patients treatment with one of the new antifungals could be applied. Both patients were treated with different antifungal drugs, but only the second one survived due to therapy with fosmanogepix®. The current treatment is still based on a combination of conventional antifungal drugs, although in much cases this strategy is not sufficient. The introduction of new promising antifungal agents such as fosmanogepix® and olorofim® may open new perspectives in the treatment of invasive infections caused by L. prolificans, as in our patient.