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Imatinib mesylate: Recent drug used in oncology

2023· article· en· W4321770109 on OpenAlexaboutno aff
Nerella Bhavani, M. Sunitha Reddy

Bibliographic record

VenueGSC Biological and Pharmaceutical Sciences · 2023
Typearticle
Languageen
FieldMedicine
TopicChronic Myeloid Leukemia Treatments
Canadian institutionsnot available
Fundersnot available
KeywordsImatinibImatinib mesylateMedicineInternal medicineOncologyMyeloid leukemiaPharmacology

Abstract

fetched live from OpenAlex

Background: The European Union and Canada have approved generic imatinib for the treatment of chronic myeloid leukaemia (EU). Anecdotal evidence suggests that generic imatinib performs less well than brand-name imatinib. MEDLINE and EMBASE were searched as methods. The European Medicines Agency (EMA) and Health Canada-approved generic imatinib product monographs were examined. We contacted Novartis, Teva, and Apotex's medical information. Results: A number of issues have been brought up. First, generic imatinib approved outside of Canada and the EU has been linked to inconsistent results in two case series and lower efficacy in minor case reports. However, it is unclear whether these generic products' clinical bioequivalence has been established. Second, there have been concerns raised about generic imatinib's use in different populations. However, compared to adults with chronic myeloid leukaemia, imatinib absorption is not significantly different in children with chronic myeloid leukaemia or in patients with gastrointestinal tumours. Even though there have been reports of reduced absorption following gastric bypass and gastrectomy, the majority of imatinib is absorbed in the ileum, duodenum, colon, and jejunum. It has also been demonstrated that changes in stomach acidity have no impact on imatinib absorption. At room temperature, the beta-crystal form of brand-name imatinib is more stable than the alpha-crystal form of generic imatinib. However, the EMA discovered that both crystal forms were extremely soluble and that polymorphism would not materially affect the efficacy of generic imatinib.

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.

How this classification was reachedexpand

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.531
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.203
GPT teacher head0.447
Teacher spread0.244 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designObservational
Domainnot available
GenreEmpirical

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".

Quick stats

Citations4
Published2023
Admission routes1
Has abstractyes

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