Safety, Tolerability, and Efficacy of GSK1322322 in the Treatment of Acute Bacterial Skin and Skin Structure Infections
Bibliographic record
Abstract
GSK1322322 represents a new class of antibiotics that targets an essential bacterial enzyme required for protein maturation, peptide deformylase. This multicenter, randomized, phase IIa study compared the safety, tolerability, and efficacy of GSK1322322 at 1,500 mg twice daily (b.i.d.) with that of linezolid at 600 mg b.i.d. in patients suspected of having Gram-positive acute bacterial skin and skin structure infections (ABSSSIs). The primary endpoint was assessment of the safety of GSK1322322, and a key secondary endpoint was the number of subjects with a ≥20% decrease in lesion area from the baseline at 48 and 72 h after treatment initiation. GSK1322322 administration was associated with mild-to-moderate drug-related adverse events, most commonly, nausea, vomiting, diarrhea, and headache. Adverse events (86% versus 74%) and withdrawals (28% versus 11%) were more frequent in the GSK1322322-treated group. Treatment with GSK1322322 and linezolid was associated with ≥20% decreases from the baseline in the lesion area in 73% (36/49) and 92% (24/26) of the patients, respectively, at the 48-h assessment and in 96% (44/46) and 100% (25/25) of the patients, respectively, at the 72-h assessment. Reductions in exudate/pus, pain, and skin infection scores were comparable between the GSK1322322 and linezolid treatments. The clinical success rates within the intent-to-treat population and the per-protocol population that completed this study were 67 and 91%, respectively, in the GSK1322322-treated group and 89 and 100%, respectively, in the linezolid-treated group. These results will be used to guide dose selection in future studies with GSK1322322 to optimize its tolerability and efficacy in patients with ABSSSIs. (This study has been registered at ClinicalTrials.gov under registration no. NCT01209078 and at http://www.gsk-clinicalstudyregister.com [PDF113414].).
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".