Aprepitant in multiple-day cisplatin-based chemotherapy.
Bibliographic record
Abstract
e19591 Background: Aprepitant is a NK-1 inhibitor approved in combination with serotonin antagonists and dexamethasone (Dex) for highly and moderately emetogenic chemotherapy. Antiemetic regimens for multiple-day chemotherapy are not standard and guidelines recommend serotonin antagonists and Dex for each day of chemotherapy and for following days. Studies with aprepitant in that setting are ongoing. In our center, aprepitant use with multiple-day chemotherapy was prescribed at the physician’s discretion. Methods: We did a retrospective study of the use of aprepitant with cisplatin-based multiple-day chemotherapy (CBMDC) regimens from November 2008 to November 2011. Pharmacy files were used to identify patients that received at least one dose of CBMDC. Data was extracted from pharmacy and medical records. Objectives included efficacy (complete response (CR), absence of nausea and vomiting, change in antiemetics) and safety of different regimens. Results: During the study period, 39 patients (34 men) received CBMDC, mostly BEP for testicular cancer. Three patients also received second-line treatment. Patients received BEP (93%), ICE (2%), or TIP (5%) chemotherapy. Eleven patients received 3-day aprepitant, 15 patients 5-day aprepitant and 16 patients did not receive aprepitant at all as primary prophylaxis. Patients were older in the 3-day group. CR was 1% in the 3 day-group, 64% in the 5-day group and 36% in the control group (p=0,08). There was a trend that nausea and vomiting were reported more frequently in the 3-day group. In 4 patients, aprepitant was added for days 4 and 5 in subsequent cycles with better control. Rescue medication was used in 100% of patients receiving the 3-day regimen, 36% in patients receiving the 5-day regimen and 64% of patients not receiving aprepitant. Three patients receiving 5-day aprepitant had to further decrease their Dex dose for adverse events (insomnia, emotional lability, pyrosis, acne). No severe adverse events were reported with the 5-day use of aprepitant. Conclusions: Even within a small population, five-day aprepitant is effective in inducing CR, reducing vomiting and is safe in patients receiving CBMDC. It has been chosen as a standard treatment in our patients.
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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 | 0.008 | 0.006 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 | 0.001 |
| 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".