Phase III study of brentuximab vedotin plus doxorubicin, vinblastine, and dacarbazine (A+AVD) versus doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD) as front-line treatment for advanced classical Hodgkin lymphoma (HL).
Bibliographic record
Abstract
TPS8612 Background: Brentuximab vedotin, a CD30-targeted antibody-drug conjugate, has conditional approval in Europe for relapsed/refractory (RR) CD30-positive HL following autologous stem cell transplant (ASCT) or following ≥2 prior therapies when ASCT or multi-agent chemotherapy is not a treatment option. ABVD, a common front-line regimen for advanced HL, achieves complete response (CR) rates of 70–80%. However, 10–20% of patients (pts) are refractory to front-line treatment and up to 35% relapse after front-line multi-modality therapy. In pts with relapsed HL post-ASCT, single-agent brentuximab vedotin yields an objective response rate of 75% (CR, 33%; Chen ASH 2012). In a phase 1 study in treatment-naïve HL pts, A+AVD was associated with manageable toxicity and a CR rate of 96%; brentuximab vedotin + ABVD was contraindicated due to pulmonary toxicity (Ansell ASH 2012). We hypothesized that substituting bleomycin with brentuximab vedotin would eliminate bleomycin-associated pulmonary toxicity and improve progression-free survival (PFS) compared to a standard ABVD regimen. Methods: This ongoing, open-label, randomized, multicenter study (NCT01712490) will compare A+AVD vs ABVD in 1040 pts with stage III/IV classical HL. Primary endpoint: modified (m) PFS (death, progression, and receipt of chemotherapy or radiotherapy by pts not in CR after completing A+AVD or ABVD will count as progression event). Key secondary endpoint: overall survival. Key inclusion criteria: histologically-confirmed previously untreated stage III/IV classical HL. Pts will be stratified by region and International Prognostic Score, and will be randomized 1:1 to receive A+AVD (brentuximab vedotin 1.2 mg/kg with each dose of AVD) or ABVD administered intravenously on Days 1 and 15 of 28-day cycles, for up to 6 cycles. Disease status and survival will be evaluated regularly until study closure. Safety assessments: incidence and severity of adverse events, changes to physical and laboratory tests. Clinical trial information: NCT01712490.
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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 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.002 | 0.005 |
| Insufficient payload (model declined to judge) | 0.005 | 0.001 |
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".