A Canadian single institution real‐world experience using the <scp>CROSS</scp> trial regimen in the treatment of oesophageal and gastroesophageal junction carcinoma
Bibliographic record
Abstract
BACKGROUND: Trimodality therapy using the ChemoRadiotherapy for Oesophageal cancer followed by Surgery Study (CROSS) trial protocol is an accepted standard of care for locally advanced oesophageal and gastroesophageal junction cancers. For medically inoperable patients, chemoradiotherapy (CRT) has been a therapeutic option. AIMS: This single institution review aimed to assess the real-world application of the CROSS trial protocol. METHODS: This is a retrospective review of 83 patients who underwent CRT with carboplatin and paclitaxel with trimodality or definitive intent between June 2012 and June 2018. Sixty-five patients underwent neoadjuvant CRT (NCRT); 40 had surgery, 18 had definitive CRT (DCRT). Patients' demographics, clinical, pathological, treatment and surgical characteristics were assessed. The data were analysed in exploratory analyses and Kaplan-Meier curves. RESULTS: For 83 patients, the following median values were seen: radiotherapy dose, 50.4 Gy; chemotherapy doses, 5; and time from CRT to surgery, 62 days. Twenty-three percent NCRT and 72% DCRT patients were aged ≥75 years, and 49% and 33% of these respectively had no interruptions to CRT. Patients aged ≥75 years were more likely to have DCRT (P = 0.001). Patients who underwent surgery were younger (P = 0.04). For NCRT and surgery, NCRT only and DCRT respectively, median overall survival was 35.5, 12.1 and 17.1 months (log rank P = 0.008); progression-free survival was 32.2, 10 and 9.6 months (log rank P = 0.001). CONCLUSIONS: Despite broadening of the CROSS trial eligibility criteria in our real-world data, there appears to be a survival benefit with trimodality therapy. The use of carboplatin and paclitaxel in DCRT may be of value and requires further study.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 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) | 0.000 | 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".