A Clinical Trial to Investigate Efficacy, Safety and Pharmacokinetics (PK) of Two LXE408 Oral Regimens and Oral Miltefosine as Active Control in Participants Aged ≥ 18 Years Old With Localized Cutaneous Leishmaniasis in the Region of the Americas (AMR).

Female with a positive blood pregnancy test at screening or who is breastfeeding, lactating or women of childbearing potential (defined as women physiologically capable of becoming pregnant) who does not agree to use two methods of contraception, one barrier method and one highly effective method. In Brazil: for 30 days prior to the treatment onset and up to D180 visit. In Panama: during treatment period up to D180 visit.

Sexually active male, including those post-vasectomy, unwilling to use a condom during intercourse with female partner while taking the investigational drug and for 5 days, after stopping the investigational drug.

Has diagnosis or suspected diagnosis of mucocutaneous, disseminated or diffuse leishmaniasis based on physical exam.

Current clinically significant medical problems (e.g., cardiac, renal, hepatic, pancreatic diseases, current cutaneous conditions that may interfere with CL evolution or healing, past and current ocular disorders, especially keratitis, uveitis, scleritis), including any immunocompromising condition (such as having a known diagnosis for HIV, transplanted patients, those in treatment for auto immune diseases, patients receiving immunosuppressant, immunobiological or antineoplastic treatments).