The Transfer of Domperidone into Human Milk Remains Low at High Doses
Bibliographic record
Abstract
Domperidone is a dopamine-2 (D2) receptor antagonist that stimulates the release of stored prolactin in the anterior pituitary. It is prescribed off-label in Canada and Australia to promote lactation in prolactin-deficient women. The case of a 43-year-old woman taking a high daily dose of domperidone (160 mg) is described from the InfantRisk Center Human Milk Biorepository. Milk samples were analyzed using a high-performance liquid chromatography-mass spectrometry method, detecting an average domperidone concentration of 7.0 ng/mL (range 6.2 to 8.4 ng/mL). Even at high doses, the transfer of domperidone into breast milk was negligible with a relative infant dose (RID) of 0.05%. The RID estimates the infant's potential exposure to a drug via lactation as a percentage of the weight-adjusted maternal dose. The standard threshold for reasonable infant exposure is an RID of 10%.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| 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".