Pharmacokinetics and Pharmacology of Hirulog-like Peptide
Bibliographic record
Abstract
Hirulog-like peptide (HLP), a new thrombin peptide inhibitor, effectively reduces neointimal formation or restenosis in rat and rabbit vascular injury models. The present study investigated the pharmacokinetics and pharmacology of HLP in Sprague-Dawley (SD) rats. The input response of HLP in rats was studied using radioisotopic tracing method. Male SD rats were intravenously injected with a single dose of I-HLP (3.2, 6.4, or 12.8 mg/kg) for pharmacokinetic analysis. The concentration-time curve of I-HLP following bolus injection fitted a 3-compartment model. The half-life of HLP in rats was between 25 and 31 min following 3.2 to 12.8 mg/kg of bolus injection. Radioactivity of I-HLP was detected in all tested tissues and was most abundant in kidneys or stomachs. Blood pressure, respiratory frequency, and heart rates were not significantly altered during continuous intravenous infusion with saline or 1.6 to 3.2 mg/kg/h of HLP for 4 h. Bleeding time and activated partial thromboplastin time were significantly prolonged in rats infused with HLP compared to vehicle. ADP-induced platelet aggregation was significantly reduced in the HLP-treated groups compared with controls. The results suggest that HLP possesses first-order kinetic characteristics. HLP is secreted mainly through kidneys. Beside its anticoagulant activity, no other adverse effect was detected in SD rats receiving HLP.
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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 | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".