Cardio-oncology & other

Heparin Dose Intensity and Organ Support-Free Days in Patients Hospitalized for COVID-19

JACC AdvPublished Secondary analysis of a randomised clinical trial

Primary result · OSFDs, noncritically ill per-protocol patientsResult — go to the resultMedian adjusted odds ratio 1.36 95% CrI 1.07–1.74

Authors' conclusion

Among noncritically ill patients hospitalized for COVID-19 who were randomized to and initially received therapeutic-dose anticoagulation, heparin, compared with usual care, was associated with improved OSFDs, a combination of in-hospital death and days free of organ support. Therapeutic heparin appeared superior to both low- and intermediate-dose thromboprophylaxis.

Study context

Population
Patients hospitalised for COVID-19 (noncritically and critically ill) who received initial anticoagulation dosed consistently with randomisation
Participants
2,860 patients
Comparison
Therapeutic-dose heparin vs usual care
Primary endpoint
Organ support-free days (combination of in-hospital death and days free of organ support)
Follow-up
Through day 21
Methodological detailsprespecified per-protocol analysis, exploratory dose-based analysis, 1,761 (92.8%) noncritically ill and 857 (89.1%) critically ill patients treated per-protocol
  • Prespecified per-protocol analysis
  • Exploratory dose-based analysis
  • 1,761 (92.8%) noncritically ill and 857 (89.1%) critically ill patients treated per-protocol

Primary result

Organ support-free days (OSFDs), noncritically ill per-protocol patients

Median adjusted odds ratio

1.36

95% CrI 1.07–1.74

Therapeutic-dose heparinvs Usual care
median adjusted OR 1.36 (95% CrI 1.07–1.74)

As reported in the abstract

Further findings

OutcomeAdjusted OR (95% CrI)
OSFDs by dose (exploratory dose-based analysis), noncritically illTherapeutic-dose heparinvs Low-dosePosterior probability of efficacy 94.6%; CrI · CrI1.26 (0.95–1.64)
OSFDs by dose (exploratory dose-based analysis), noncritically illTherapeutic-dose heparinvs Intermediate-dosePosterior probability of efficacy 99.8%; CrI · CrI1.80 (1.22–2.62)

Original publication

Heparin Dose Intensity and Organ Support-Free Days in Patients Hospitalized for COVID-19. JACC Adv. Published 26 January 2024. doi:10.1016/j.jacadv.2023.100780

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