Systemic absorption and safety of topical terbinafine hydrochloride 10% solution (MOB015B): a phase 1 maximal usage trial in patients with moderate-to-severe onychomycosis
Bibliographic record
Abstract
ABSTRACT Topical antifungals may be considered to treat onychomycosis with minimal risk of systemic side effects. In this study, we assess the safety, tolerability, systemic exposure, and pharmacokinetic characteristics of topical terbinafine hydrochloride 10% solution (MOB015B) in adults with moderate-to-severe onychomycosis. Clinically and mycologically confirmed patients with toenail onychomycosis ( N = 20) were enrolled in this single-center, open-label study . Each patient had ≥50% involvement of both great toenails and at least four additional toenails affected. MOB015B was applied once daily to all toenails for 28 days. Blood was drawn on days 1, 14, and 28. Plasma concentrations of MOB015B after the first dose were quantifiable in all subjects by 24 h. Steady-state levels in plasma were reached by day 28. The mean systemic exposure on day 28 of 0.72 ng/mL for maximum plasma concentration (C max ) was approximately 2,000 times lower than the mean plasma level of 1.39 µg/mL seen after oral administration of 250 mg terbinafine for 28 days. Adverse events (five patients), such as headache ( n = 3), seasonal allergy ( n = 1), and neck pain ( n = 1), were considered unrelated to MOB015B; no application site reactions or study discontinuations due to an adverse event were observed. MOB015B applied to all affected toenails under maximal usage conditions for 28 days demonstrated very low levels of terbinafine in plasma (C max <1 ng/mL after 28 days), consistent with a favorable safety and tolerability profile. CLINICAL TRIALS This study is registered with ClinicalTrials.gov as NCT03244280 .
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".