Single-Dose Pharmacokinetics of Amphetamine Extended-Release Oral Suspension in Healthy Adults
Bibliographic record
Abstract
Purpose: This single-dose pivotal study evaluated the pharmacokinetics of amphetamine extended-release oral suspension (AMPH EROS) under fasted and fed conditions and the relative bioavailability of AMPH EROS and immediate-release mixed amphetamine salts (IR MAS) in adults. Methods: This open-label, randomized, three-period, three-treatment, six-sequence crossover study enrolled 30 healthy adult participants who were randomly assigned to receive either 1 dose of AMPH EROS 18.8 mg under fed or fasted conditions or 30 mg of IR MAS under fasted conditions. Participants crossed over with a 7-day washout period between each of the three periods. Plasma samples were measured for C max , AUC 0- t , AUC 0-5 , AUC 5- t , and AUC 0-∞ for comparative bioavailability. Results: The geometric mean ratios for C max , AUC 0- t , and AUC 0-∞ were within the 90% confidence limits [80.0%, 125.0%] for comparable bioavailability. There was no food effect for AMPH EROS. Both the AMPH EROS and IR MAS formulations were generally well tolerated with no serious adverse events reported. Conclusions: The bioavailability of a single dose of AMPH EROS was comparable to two 15 mg doses of IR MAS, given 4 hr apart, with no food effect or safety concerns observed.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| 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) | 0.001 | 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".