Efficacy and safety of minocycline in retinitis pigmentosa: a prospective, open-label, single-arm trial

Bibliographic Details
Title: Efficacy and safety of minocycline in retinitis pigmentosa: a prospective, open-label, single-arm trial
Authors: Yuxi Chen, Yuan Pan, Yanyan Xie, Yuxun Shi, Yao Lu, Yiwen Xia, Wenru Su, Xiaoqing Chen, Zuoyi Li, Minzhen Wang, Siyu Miao, Yating Yang, Chenjin Jin, Guangwei Luo, Shixian Long, Hui Xiao, Chuangxin Huang, Jian Zhang, Dan Liang
Source: Signal Transduction and Targeted Therapy, Vol 9, Iss 1, Pp 1-7 (2024)
Publisher Information: Nature Publishing Group, 2024.
Publication Year: 2024
Collection: LCC:Medicine
LCC:Biology (General)
Subject Terms: Medicine, Biology (General), QH301-705.5
More Details: Abstract Retinitis pigmentosa (RP) is characterized by progressive photoreceptor cells death accelerated by the proliferation and activation of microglia pathologically. No consensus exists on the treatment. Minocycline is recognized as a microglia inhibitor with great anti-inflammatory and neuro-protective functions. However, efficacy of minocycline in RP patients is lacking. We conducted a prospective, open-label, and single-arm trial, in which daily oral minocycline of 100 mg was administered for 12 months in RP patients with light-adapted 30 Hz flicker electroretinography (ERG) amplitude >0 µV in at least one eye (NCT04068207). The primary outcome was the proportion of participants with improvement in the ERG amplitude at month 12. The secondary outcomes included improvements of the following items: other ERGs amplitudes, visual field, best-corrected visual acuity, contrast sensitivity, color vision, and NEI-VFQ-25. 35 of 288 patients met inclusive criteria were enrolled (median [IQR] age, 36 [31–45] years; 17 female [48.6%]). 32 participants completed all examinations, while 3 participants completed the 12-month online visit via conducting NEI-VFQ-25. The primary outcome showed improvement was 34.3% (12 of 35 [95% CI 19.1–52.2]). Similarly, all secondary outcomes showed improvements. Adverse events were reported in 22 participants (62.9%) and were all resolved without extra medication during the study period. No severe adverse events were recorded. Our findings identified daily oral minocycline of 100 mg for 12 months was beneficial in improving the visual function of RP patients with good safety. This study indicates minocycline may be a promising therapy for RP, but a randomized controlled trial is still needed of further exploration.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2059-3635
Relation: https://doaj.org/toc/2059-3635
DOI: 10.1038/s41392-024-02037-2
Access URL: https://doaj.org/article/35f53664f1134179a81e87d78193b2c2
Accession Number: edsdoj.35f53664f1134179a81e87d78193b2c2
Database: Directory of Open Access Journals
More Details
ISSN:20593635
DOI:10.1038/s41392-024-02037-2
Published in:Signal Transduction and Targeted Therapy
Language:English