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Record W2289764068 · doi:10.6004/jnccn.2005.0049

Benefits Associated with an Early Hemoglobin Response to Epoetin Alfa Therapy in the Treatment of Chemotherapy-Related Anemia

2005· article· en· W2289764068 on OpenAlex
Susana M. Campos, Mei Sheng Duh, Patrick Lefèbvre, James Rosberg

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueJournal of the National Comprehensive Cancer Network · 2005
Typearticle
Languageen
FieldMedicine
TopicErythropoietin and Anemia Treatment
Canadian institutionsGroup for Research in Decision Analysis
Fundersnot available
KeywordsEpoetin alfaMedicineAnemiaHemoglobinDosingChemotherapyInternal medicineErythropoietinIntensive care medicine

Abstract

fetched live from OpenAlex

Although previous studies have recognized that timely correction of anemia is desirable, no published research quantifies the association between the timeliness of the hemoglobin rise and patients' outcomes. This study evaluates whether anemic patients with cancer who are receiving chemotherapy and who experienced an early response to epoetin alfa (> or = 1 g/dL hemoglobin increase at the end of 4 weeks of treatment) experienced better clinical and drug utilization outcomes compared with patients who did not experience an early response. Three large, open-label, community studies of epoetin alfa for the treatment of chemotherapy-related anemia were retrospectively analyzed to assess the association of early hemoglobin response to subsequent transfusion requirements, subsequent hemoglobin response, quality of life, and epoetin alfa dosage administered over the study. Two epoetin alfa dosing regimens were evaluated: 10,000 units 3 times weekly with potential escalation to 20,000 units, and 40,000 units once weekly with potential escalation to 60,000 units. In all studies, patients who experienced an early hemoglobin response had statistically lower subsequent transfusion requirements, higher rates of subsequent hemoglobin response, shorter time to hemoglobin response, better improvements in quality of life scores, and lower average weekly epoetin alfa dose than patients who did not experience an early hemoglobin response. Similar proportions of patients experienced early response in the 3-times weekly and once-weekly epoetin alfa regimens. This ad hoc analysis found that early hemoglobin response to epoetin alfa therapy was associated with improved clinical benefits and drug utilization. Early hemoglobin response may therefore be considered as a desired goal of epoetin alfa therapies.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.759
Threshold uncertainty score0.380

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.034
GPT teacher head0.314
Teacher spread0.280 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it