Fludarabine in Alkylator-Resistant Follicular Non-Hodgkin's Lymphoma
Bibliographic record
Abstract
Follicular small cell and follicular mixed small and large cell lymphoma (FL) are incurable with conventional chemotherapy, and generally follow a relapsing course, eventually becoming resistant to first-line therapy with alkylating agents. Fludarabine is a novel chemotherapeutic agent that is effective in FL, but its role in alkylator-resistant disease remains unclear. We conducted a retrospective review of all patients with alkylator-resistant FL treated with fludarabine. Patients were identified from pharmacy records and included if they fulfilled criteria for alkylator-resistant FL. Resistance was defined as failure to achieve a partial response, progression while on therapy, or relapse within six months of completing therapy. Seventeen patients met the criteria of alkylator-resistant FL and were included in the analysis. All patients received fludarabine 25 mg/m(2) for five days. A median of 2.5 courses of fludarabine was given. One patient had a complete remission and eight patients had partial remissions, for an overall response rate of 53%. Median progression-free survival was 5.4 months and median overall survival was 15.4 months for all patients. Four patients underwent subsequent autologous stem cell transplantation; all required additional salvage chemotherapy for post-fludarabine relapses. Three patients remain in remission more than 12 months post-transplantation. Fludarabine produces partial responses in patients with advanced refractory FL; however, the duration of the response limits its utility in alkylator-resistant disease.
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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 | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 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) | 0.001 | 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".