Non-inferiority Trial of Dapaconazole Versus Ketoconazole

• Participants aged from 18 to 65 years old, male, or female with no childbearing potential or who are using an effective contraceptive method and who do not plan to become pregnant during the study period.
• Presence of dermatological lesion(s) of Tinea pedis, with a global clinical severity score ≥ 4, being a minimum score of 2 for itching or desquamation/maceration and a minimum score of 2 for erythema, having, also, the diagnosis confirmed by direct mycological (KOH) test.
• No previous treatment with antimycotic medication, in the last 2 months, for the current dermatologic lesion.
• No evidence of other significant diseases, that, at the investigator's discretion, may affect the participation in the clinical trial, in accordance with the protocol requirements.
• Ability to understand the nature and the objective of the clinical trial, including the risks and possible side effects; intention to cooperate with the investigator and act in accordance with the protocol requirements, as confirmed by the informed consent form signature.

Exclusion Criteria:

• Existing hepatic and/or renal diseases or other pathologic findings, which might interfere with the safety and tolerability of the active ingredients.
• Screening laboratory tests presenting deviations deemed as clinically significant, which, due to possible risks, prevents the participation in clinical trial.
• Known hypersensitivity to ketoconazole or to chemically related compounds (azoles) or to the compounds of the investigational products.
• Participants with severe or multiple drugs allergies, unless judged by the investigator as not clinically relevant to the participation in the clinical trial.
• Positive anti human immunodeficiency virus (anti-HIV) test, positive Hepatitis B Surface Antigen (HBs-Ag) test or positive anti hepatitis C virus (anti-HCV) test.
• Treatment, within 3 months prior to the start of the clinical trial treatment, with any drug known to have a well-established toxic potential to major organs.
• Pregnant or lactating women
• Participation in any clinical trial, or intake of any investigational product, within the last twelve months prior to the inclusion in the clinical trial.
• Presence of onychomycosis.
• Presence of "Moccasin type" Tinea pedis.
• Presence of infected Tinea pedis, or any other infection or pathology that may confuse the treatment evaluation.
• History of drug addiction.
• Diseases that may alter the immune system and, consequently, the host's response to the fungal presence (immunosuppressed participants), as well as the use of systemic immunosuppressive drugs, chemotherapy or radiotherapy, during the 3 months prior to the start of treatment.
• Use of drugs that may interfere with the assessment of the results, as well as use of topical immunosuppressants, topical antibiotics or topical corticosteroids, within 2 months prior to the start of treatment.
• Use of antipruriginous drugs, including antihistaminics, within 72 hours prior to the start of treatment.
• History of alcohol dependence and/or regular intake of alcoholic food or beverages containing ≥ 20 g of pure ethanol per day.
• Any prior treatment for the present lesion which, at investigator discretion, may interfere with the objectives of the clinical trial.
• Participants who might be non-compliant to the study treatment and/or to the requirements and procedures of the protocol.
• Participants who are unable to understand written and verbal instructions, in particular those regarding the risks and inconveniences to which they will be exposed during the participation in the clinical trial.