The influence of erythropoietin on cognitive function in women following chemotherapy for breast cancer
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: Cognitive dysfunction is a potential side effect of chemotherapy, and erythropoietin might be protective. A previously reported study compared quality-of-life in women undergoing chemotherapy for breast cancer who were randomized to receive epoetin-alpha or standard care. Here, we report a non-randomized sub-study in which cognitive function of participants was evaluated at 12-30 months after chemotherapy. METHODS: The primary endpoint was the proportion of women with moderate-severe cognitive impairment, as measured by the High Sensitivity Cognitive Screen (HSCS). Subjects also completed the Revised Hopkins Verbal Learning Test (HVLT-R), the Functional Assessment of Cancer Therapy--Fatigue (FACT-F) and FACT-G self-report questionnaires for fatigue and quality-of-life, and the Hospital Anxiety and Depression Scale. RESULTS: Of 278 patients receiving adjuvant treatment in the primary study, 87 participated in the sub-study: 45 had received epoetin-alpha and 42 standard care. Groups were well matched for age and type of chemotherapy. Eight patients (9%) had moderate-severe cognitive dysfunction by the HSCS: six of them in the epoietin-alpha group (not significant). There were no significant differences in the HVLT-R, or in fatigue, but patients who had received epoetin-alpha reported better quality-of-life. CONCLUSION: This study failed to demonstrate a protective effect of epoetin-alpha against the development of delayed cognitive dysfunction after chemotherapy.
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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 it