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Study aim
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Comparison of therapeutic effects of acyclovir- melissa nanofiber patch and cream with acyclovir nanofiber patch and cream on recurrent herpes labialis
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Design
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Four arm parallel groups randomized clinical trial, double-blinded, phase 2 on 80 patients, randomization was employed by permuted block randomization method with a block size of 4
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Settings and conduct
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This study was performed in the Department of Oral Diseases, Isfahan University of Medical Sciences. The lesions were diagnosed by a specialist and informed consent was obtained from the patients. The 4 study groups used 15 nanofiber patches of acyclovir-melissa, acyclovir-melissa cream,15 nanofiber patches of acyclovir and an acyclovir cream respectiveyl,three times a day for 5 days. Patients recorded symptoms on a daily basis and were asked to prepare images from the lesion daily. As soon as evidence of healing and crusting was observed in the images, the patient was referred for clinical examinations. Patients and clinician were unaware of the contents of the packages.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: secondary lesions and in the vesicular stage (size <1 cm) Exclusion criteria: allergy to acyclovir and other drugs, systemic and inherited or acquired immunodeficiency disease, pregnancy, lactation, use of contraceptives, antiviral and anti-inflammatory drugs, steroids and analgesics
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Intervention groups
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Four intervention groups of acyclovir-melissa nanofiber patch, acyclovir- nanofiber patch, acyclovir-melissa acyclovir-melissa and acyclovir cream
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Main outcome variables
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The formulations of acyclovir- Melissa nano-patch and acyclovir- Melissa cream and acyclovir nano-patch caused a reduction in the pain of lesions, compared to acyclovir routine formulation. The crusting time in acyclovir- Melissa nano-patch and cream group was less than both acyclovir groups.