Retrospective Chart Review of Patients With Acanthamoeba Keratitis Who Have Received 0.8 mg/mL Polihexanide as Part of the "Medicines in Special Situations" (Medicamentos en Situaciones Especiales) Program in Spain.

The study will be a multicentric, retrospective, non-interventional medical chart review of patients with AK who initiated a treatment with 0.8 mg/ml polihexanide as part of the Spanish Medicines in Special Situations program, whether they fully completed the treatment or not. Baseline date is defined as the date of 0.8 mg/ml polihexanide initiation. The Study Period for each patient will be considered the period from the baseline to the conclusion of the treatment.

NCT Number	NCT07195864
Lead Sponsor	SIFI SpA
Conditions	Acanthamoeba Keratitis
Enrollment	23 participants
Start Date	2025-10-30
Primary Completion	2026-06-11 (estimated)
Study Completion	2026-06-11 (estimated)
Updated on ClinicalTrials.gov	2026-06-22