The Canadian Uro‐Oncology Group multicentre phase II study of docetaxel administered every 3 weeks with prednisone in men with metastatic hormone‐refractory prostate cancer progressing after mitoxantrone/prednisone
Bibliographic record
Abstract
OBJECTIVE: To investigate the use of docetaxel 75 mg/m(2) intravenously every 3 weeks plus prednisone 5 mg orally twice daily in men with metastatic hormone-refractory prostate cancer (HRPC) progressing after first-line mitoxantrone/prednisone (MP), the primary outcome being progression-free survival with prostatic-specific antigen (PSA) and pain response, toxicity and quality of life (QoL) also assessed. PATIENTS AND METHODS: Thirty patients from four centres were enrolled in the study; all had had previous MP for symptomatic, metastatic HRPC and all had castrate levels of testosterone maintained during therapy. RESULTS: At enrolment, the median age was 69 years, the mean PSA level was 324 ng/dL, and 86% of patients reported pain. There was a PSA response in 57% of the men and a reduction in pain in >60%; the overall QoL was maintained. There were four cases of febrile neutropenia and two treatment-related deaths. The median progression-free and overall survival were 5 and 15 months, respectively. CONCLUSION: Docetaxel was associated with high rates of PSA and pain response in this study. Non-haematological toxicity was similar to that during first-line treatment, but rates of febrile neutropenia and toxic death appeared to be slightly higher. In selected patients with progressive metastatic HRPC previously treated with mitoxantrone, docetaxel appears to be a beneficial therapeutic option.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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 source (direct Gemma or distilled Codex), 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".