Retrospective Study of the Efficacy and Safety of Laser and Oral Combination Therapy for Non-responders to Neodymium-doped Yttrium Aluminum Garnet Laser: A Review of 20 Patients with Onychomycosis
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Background: Oral antifungal drugs are the primary treatment for onychomycosis. However, there are few studies on the effectiveness and safety of oral combination therapy after laser treatment. Objective: We sought to contrast the efficacy and safety of laser and oral combination therapy with that of oral monotherapy for non-responders to laser treatment. Methods: We retrospectively evaluated the medical charts and photographs of 20 patients who received four sessions of Nd:YAG laser. Among these patients, 11 were "laser non-responders" and 9 were "laser partial responders". Afterward, 10 patients received oral drugs in addition to laser treatment (combination therapy) and the other 10 were completely altered to oral drugs, with no laser treatment (oral monotherapy). Clinical evaluation was conducted at baseline and 3 months after treatment. Recurrence was evaluated 3 months after the final evaluation. Results: Clinical evaluation revealed that combining or switching to oral antifungal drugs was substantially effective in the laser non-responder group (Z = -2.481, p = 0.013). Combination therapy was more effective than oral monotherapy (Z = -1.324, p = 0.247). Furthermore, positive baseline mycological results demonstrated a higher possibility of laser monotherapy failure (χ2 = -5.089, p = 0.024). There were two cases of recurrence in the oral monotherapy group and no adverse effect was discovered in any patient. Conclusion: This study highlighted that the combination of oral drugs with laser therapy could be beneficial regarding efficacy, recurrence, and safety in the treatment of patients who are refractory to laser therapy.
Abstract
Background: Oral antifungal drugs are the primary treatment for onychomycosis. However, there are few studies on the effectiveness and safety of oral combination therapy after laser treatment. Objective: We sought to contrast the efficacy and safety of laser and oral combination therapy with that of oral monotherapy for non-responders to laser treatment. Methods: We retrospectively evaluated the medical charts and photographs of 20 patients who received four sessions of Nd:YAG laser. Among these patients, 11 were "laser non-responders" and 9 were "laser partial responders". Afterward, 10 patients received oral drugs in addition to laser treatment (combination therapy) and the other 10 were completely altered to oral drugs, with no laser treatment (oral monotherapy). Clinical evaluation was conducted at baseline and 3 months after treatment. Recurrence was evaluated 3 months after the final evaluation. Results: Clinical evaluation revealed that combining or switching to oral antifungal drugs was substantially effective in the laser non-responder group (Z = -2.481, p = 0.013). Combination therapy was more effective than oral monotherapy (Z = -1.324, p = 0.247). Furthermore, positive baseline mycological results demonstrated a higher possibility of laser monotherapy failure (χ2 = -5.089, p = 0.024). There were two cases of recurrence in the oral monotherapy group and no adverse effect was discovered in any patient. Conclusion: This study highlighted that the combination of oral drugs with laser therapy could be beneficial regarding efficacy, recurrence, and safety in the treatment of patients who are refractory to laser therapy.
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