Pityriasis Lichenoides Chronica, Role of Streptococcal Infection and Azithromycin

Summary

Primary outcome: The primary outcome at end of study (EOS) is to compare the therapeutic efficacy of Azithromycin in the treatment of pityriasis lichenoides chronica (PLC) with that of a well-documented line of therapy namely narrow band ultra violet B (nbUVB). Secondary outcomes: 1\. To identify the possibility of streptococcal throat infection as a possible underlying etiology in PLC.

Timeline

Start

2019-02

Primary completion

2020-06

Completion

2020-08

Publications

• Elbendary A, Youssef R, Abdel-Halim MRE, Abdel Halim D, El Sharkawy DA, Alfishawy M, Gad MA, Gad A, Elmasry MF. Role of streptococcal infection in the etiopathogenesis of pityriasis lichenoides chronica and the therapeutic efficacy of azithromycin: a randomized controlled trial. Arch Dermatol Res. 2023 Apr;315(3):521-530. doi: 10.1007/s00403-022-02398-0. Epub 2022 Sep 21.

Drugs

Indications