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Table 1 Characteristics of randomized clinical trials included

From: Omega-3 supplementation in patients with sepsis: a systematic review and meta-analysis of randomized trials

Study

Population

Intervention

Mortality definition

Risk of bias

Funding

Bower et al. [28]

Multi-centre

USA

ICU patients

(N = 326); stratified by sepsis (N = 44 of 326)

Age 18–80

Enteral administration

Impact versus Osmolyte

NR

High

Pharmaceutical (Sandoz Nutrition)

Galban et al. [30]

Multi-centre

Spain

ICU patients with sepsis requiring EN (N = 181)

Age > 14 (mean 55.8)

Enteral administration

Impact versus Precitene Hiperproteico

NR

High

Pharmaceutical (Novartis Nutrition)

Grecu et al. [32]

Single-centre

Romania

ICU and PACU patients with abdominal sepsis requiring PN; 15 of 54 in ICU

Age NR

Parenteral administration

Omegaven + LCT versus LCT alone

ICU

Unclear

NR

Pontes-Arruda et al. [35]

Single-centre

Brazil

ICU patients with severe sepsis or septic shock requiring MV (N = 103)

Age > 18 (mean 65.1)

Enteral administration

EPA, GLA, antioxidants versus standard formulation

28-day

High

Pharmaceutical (Abbott Laboratories)

Guo et al. [42]

Single-centre

China

ICU patients with sepsis and APACHE II score >12 (N = 80)

Age 18–70 (mean 40.0)

Parenteral administration

Omega-3 PUFAs versus 20% fat emulsion

28-day

High

NR

Qu et al. [39]

NR

China

Patients with sepsis and APACHE II score 15–20 (N = 40)

Age 18–65

Parenteral administration

10% omega-3 PUFAs versus standard TPN

28-day

Unclear

Academic. National Natural Science Foundation of China

Barbosa et al. [43]

Single-centre

Portugal

ICU patients with sepsis predicted to need parenteral nutrition (N = 25)

Age range 32–80

Parenteral administration

Lipoplus + NuTRIflex Special versus NuTRIflex Lipid Special

28-day and 5-day

High

No external funding

Wu et al. [40]

Single-centre

China

ICU patients with sepsis (N = 60)

Mean age 63.42

Parenteral administration

Omega-3 PUFAs versus 20% LCTs

28-day

High

NR

Zhao et al. [41]

Single-centre

China

ICU patients with sepsis or septic shock (N = 116)

Mean age 53.3

Parenteral administration

Omegaven versus standard care

28-day

Unclear

NR

Grau-Carmona et al. [31]

Multi-centre

Spain

ICU patients with sepsis and receiving MV (N = 132)

Age ≥ 18 (mean 63)

Enteral administration

Oxepa versus Ensure Plus

28-day

High

Pharmaceutical (Abbott Laboratories)

Khor et al. [34]

Single-centre

Taiwan

ICU patients with severe sepsis (N = 28)

Age ≥ 18 (mean 69.3)

Parenteral administration

Omegaven versus normal saline

28-day

Unclear

NR

Pontes-Arruda et al. [36]

Multi-centre

Brazil

ICU patients with early sepsis requiring EN (N = 106)

Age > 18 (mean 71)

Enteral administration

Oxepa versus Ensure Plus HN

28-day

High

Pharmaceutical (Abbott Laboratories)

Hosny et al. [25]

Single-centre

Egypt

ICU patients with early sepsis (N = 75)

Age ≥ 18 (mean 52.1)

Enteral administration (oral or NG)

High-dose omega-3 + antioxidants versus low-dose omega-3 + antioxidants versus standard care

28-day

High

NR

Burkhart et al. [29]

Single-centre

Switzerland

ICU patients with sepsis (N = 50)

Age > 18 (mean 69)

Parenteral administration

Omegaven versus standard care

Median follow-up 109 days

High

Pharmaceutical (Fresenius Kabi) and academic

Gultekin et al. [38]

Single-centre

Turkey

General Surgery ICU patients with severe sepsis or septic shock requiring TPN (N = 32)

Age ≥ 18 (mean 62.9)

Parenteral administration

Omegaven + ClinOleic—Baxter olive oil emulsion versus olive oil emulsion

NR

High

NR

Hall et al. [33]

Single-centre

United Kingdom

ICU patients with sepsis (N = 60)

Adults (mean age 64.2)

Parenteral administration

Omegaven versus standard care

28-day and inpatient

Unclear

Omegaven supplied by Fresenius Kabi; no other financial support

Shirai et al. [37]

Single-centre

Japan

ICU patients with sepsis-induced ARDS receiving MV (N = 46)

Age > 18 (mean 72.5)

Enteral administration

Oxepa versus Ensure Liquid

60-day

High

NR

  1. APACHE II Acute Physiology and Chronic Health Evaluation II, ARDS acute respiratory distress syndrome, EN enteral nutrition, EPA eicosapentaenoic acid, GLA gamma linolenic acid, ICU intensive care unit, LCT long-chain triglycerides, MV mechanical ventilation, NG nasogastric, NR non-reported, PN parenteral nutrition, PUFAs polyunsaturated fatty acids, TPN total parenteral nutrition