Autologous stem cell transplant for relapsed and refractory peripheral T‐cell lymphoma: variable outcome according to pathological subtype
Bibliographic record
Abstract
The purpose of this study was to evaluate the outcome of high-dose chemotherapy (HDCT) followed by autologous haematopoietic stem cell transplant (ASCT) for patients with relapsed T-cell non-Hodgkin's lymphoma. We reviewed 36 patients with peripheral T-cell lymphoma (PTL) who underwent ASCT between January 1987 and June 2001. Patients had chemosensitive disease, and received high-dose melphalan and etoposide with or without total body irradiation supported by unpurged autologous stem cells. Comparisons were made with 97 diffuse large B-cell lymphoma (DLBL) patients. PTL patients had a median age of 46 years (19-62 years). Twenty-nine had relapsed and seven had primary refractory disease. DLBL patients were statistically similar in baseline characteristics. Of patients with PTL, six (17%) died of treatment-related complications and 14 (39%) were in remission with a median follow-up of 42 months (range 6-116 months). Three-year overall survival and event-free survival (EFS) were 48% and 37%, respectively, for PTL, compared with 53% and 42% for DLBL (P = 0.41 and 0.29 respectively). There was no significant prognostic variable found by univariate analysis for the PTL cohort. Major PTL subtypes were analysed for outcomes. The 20 patients with PTL, not otherwise specified (PTL-NOS), had an inferior EFS compared with DLBL patients (23%, P = 0.028). In contrast, the nine patients with anaplastic large T/null cell lymphoma had a non-significant trend for improved EFS (67%, P = 0.41). While ASCT in patients with relapsed or primary refractory PTL results in long-term remission rates comparable to DLBL patients, those with PTL-NOS do significantly worse.
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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 | 0.000 | 0.000 |
| 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 | 0.000 |
| 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".