ArticleAnnals of intensive care2018
Pharmacogenomic biomarkers do not predict response to drotrecogin alfa in patients with severe sepsis.
Article in Annals of intensive care, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01486524 (A Multicenter Pharmacogenomic Biomarker Study in Matched Patients With Severe Sepsis Treated With or Without Recombinant Human Activated Protein C [Xigris®, Drotrecogin Alfa), which is not on this map. Not yet cited in PubMed.
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A Multicenter Pharmacogenomic Biomarker Study in Matched Patients With Severe Sepsis Treated With or Without Recombinant Human Activated Protein C [Xigris®, Drotrecogin Alfa (Activated)]
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0 citing papers in PubMed, 2 citations in OpenAlex.
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18 authors at 12 institutions in 4 countries.
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Abstract
purposeTo explore potential design for pharmacogenomics trials in sepsis, we investigate the interaction between pharmacogenomic biomarkers and response to drotrecogin alfa (activated) (DrotAA). This trial was designed to validate whether previously identified improved response polymorphisms (IRPs A and B) were associated with an improved response to DrotAA in severe sepsis.
methodsPatients with severe sepsis at high risk of death, who received DrotAA or not, with DNA available were included and matched to controls adjusting for age, APACHE II or SAPS II, organ dysfunction, ventilation, medical/surgical status, infection site, and propensity score (probability that a patient would have received DrotAA given their baseline characteristics). Independent genotyping and two-phase data transfer mitigated bias. The primary analysis compared the effect of DrotAA in IRP+ and IRP- groups on in-hospital 28-day mortality. Secondary endpoints included time to death in hospital; intensive care unit (ICU)-, hospital-, and ventilator-free days; and overall DrotAA treatment effect on mortality.
resultsSix hundred and ninety-two patients treated with DrotAA were successfully matched to 1935 patients not treated with DrotAA. Genotyping was successful for 639 (DrotAA) and 1684 (nonDrotAA) matched patients. The primary hypothesis of a genotype-by-treatment interaction (assessed by conditional logistic regression analysis) was not significant (P = 0.30 IRP A; P = 0.78 IRP B), and there was no significant genotype by treatment interaction for any secondary endpoint.
conclusionsNeither IRP A nor IRP B predicted differential response to DrotAA on in-hospital 28-day mortality. ClinicalTrials.gov registration NCT01486524.
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