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Arch Dermatol Res ; 314(9): 903-904, 2022 Nov.
Article in English | MEDLINE | ID: covidwho-2048258
J Am Podiatr Med Assoc ; 112(2)2022 Apr 27.
Article in English | MEDLINE | ID: covidwho-1988432


Toenail onychomycosis is a common condition that is equally challenging for podiatrists and patients. This case study documents a 26-year-old woman with bilateral total dystrophic onychomycosis of at least 5 years' duration. She had previously failed to respond to treatment with ciclopirox nail lacquer 8% and, despite hiding her condition with nail polish, was suffering from embarrassment, distress, and low self-esteem. At initial consultation, 100% of both great toenails was affected. After discussion of all treatment options, the patient opted for topical efinaconazole 10% solution, once daily for 48 weeks. Significant improvement was noted at the first (4-week) assessment period. This improvement was maintained through each subsequent virtual consultation, and complete cure was seen at a 30-week follow-up visit. To the author's knowledge, this is the first published report on the use of efinaconazole in total dystrophic onychomycosis. It suggests that the product may be effective in patients with even the most severe and treatment-recalcitrant disease, who are unwilling or unable to tolerate systemic antifungal therapy.

Coronavirus , Foot Dermatoses , Onychomycosis , Administration, Topical , Adult , Antifungal Agents/therapeutic use , Female , Foot Dermatoses/drug therapy , Foot Dermatoses/microbiology , Humans , Onychomycosis/drug therapy , Onychomycosis/microbiology , Treatment Outcome , Triazoles
medrxiv; 2020.
Preprint in English | medRxiv | ID: ppzbmed-10.1101.2020.04.09.20059600


A key driver in biopharmaceutical investment decisions is the probability of success of a drug development program. We estimate the probabilities of success (PoS) of clinical trials for vaccines and other anti-infective therapeutics using 43,414 unique triplets of clinical trial, drug, and disease between January 1, 2000, and January 7, 2020, yielding 2,544 vaccine programs and 6,829 non-vaccine programs targeting infectious diseases. The overall estimated PoS for an industry-sponsored vaccine program is 39.6%, and 16.3% for an industry-sponsored anti-infective therapeutic. Among industry-sponsored vaccines programs, only 12 out of 27 disease categories have seen at least one approval, with the most successful being against monkeypox (100%), rotavirus (78.7%), and Japanese encephalitis (67.6%). The three infectious diseases with the highest PoS for industry-sponsored non-vaccine therapeutics are smallpox (100%), CMV (31.8%), and onychomycosis (29.8%). Non-industry-sponsored vaccine and non-vaccine development programs have lower overall PoSs: 6.8% and 8.2%, respectively. Viruses involved in recent outbreaks—MERS, SARS, Ebola, Zika—have had a combined total of only 45 non-vaccine development programs initiated over the past two decades, and no approved therapy to date (Note: our data was obtained just before the COVID-19 outbreak and do not contain information about the programs targeting this disease.) These estimates offer guidance both to biopharma investors as well as to policymakers seeking to identify areas most likely to be undeserved by private-sector engagement and in need of public-sector support.

Encephalitis , Onychomycosis , COVID-19 , Communicable Diseases