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Table 1 Main characteristics of included studies

From: Effects of camelina oil supplementation on lipid profile and glycemic control: a systematic review and dose‒response meta-analysis of randomized clinical trials

First author

(publication year)

Country

Sample size (Intervention/Control)

Sex

Target Population

Mean Age (Intervention/Control)

Mean BMI (Intervention/Control)

RCT design (Blinding)

Duration (weeks)

Form and dose of intervention

Comparison

Results

Karvonen et al. 2002 [10]

Finland

68 (23/45)

Male and female

Hypercholesterolemic subjects

NR (28 to 65 years)

NR

Parallel (Double)

6 Weeks

Camelina oil 30 g/d

Canola oil 30 g/d or olive oil

Camelina oil consumption did not significantly change in lipid profile comparison with placebo use.

Schwab et al. 2018 [12]

Finland

43 (23/21)

Male and female

Volunteers with impaired fasting glucose

58.9 ± 6.5

29.2 ± 2.4

Parallel (Double)

12 Weeks

Camelina oil 10 g/d

Limited intakes of fish and source of alpha-linolenic acid

Camelina oil consumption did not significantly change in glucose metabolism parameters comparison with placebo use.

Musazadeh et al. 2021 [7]

Iran

130 (63/67)

Male and female

NAFLD patients

44.30 ± 4.38/ 43.86 ± 6.07

34.19 ± 3.55/ 33.90 ± 2.65

Parallel (Triple)

12 Weeks

Camelina oil 20 g/d

Sunflower oil 20 g/d

Camelina oil consumption causes significant changes in lipid profile (except HDL-c) among NAFLD patients

Dobrzyńska et al. 2021 [9]

Poland

60 (30/30)

Female

Postmenopausal women with dyslipidaemia

55 ± 5/ 57 ± 4

26.7 ± 5.3/ 26.9 ± 6.4

Parallel (Double)

6 Weeks

Camelina oil 30 g/d

Canola oil 30 g/d

Camelina oil consumption did not change in lipid profile, anthropometric parameters and blood pressure comparison with placebo use.

Lankinen et al. 2021 [11]

Finland

46 (23/23)

Male

Healthy men

66.6 ± 5.6/ 64.8 ± 5.6

24.6 ± 2.6/ 24.8 ± 2.6

Parallel (None)

8 Weeks

Camelina oil 50 ml/d

Sunflower oil 50 ml/d

Camelina oil consumption did not significantly change in FBS comparison with placebo use.

Musazadeh et al. 2022 [6]

Iran

130 (63/67)

Male and female

NAFLD patients

44.30 ± 4.38/ 43.86 ± 6.07

34.19 ± 3.55/ 33.90 ± 2.65

Parallel (Triple)

12 Weeks

Camelina oil 20 g/d

Sunflower oil 20 g/d

Camelina oil intake led to a significant decrease in FI, and HOMA-IR in compared with the placebo group.

Bellien et al. 2022 [8]

France

81 (40/41)

Male and female

Hypertensive patients with metabolic syndrome

57.7 ± 8.4/ 55.0 ± 7.5

30.0 ± 4.0/ 30.3 ± 4.2

Parallel (Double)

24 Weeks

Camelina oil 5.2 g/d

A mixture of cyclodextrin

Compared with placebo, camelina oil increased fasting glycemia and HOMA-IR index, without affecting plasma lipids

  1. NR Not reported, HDL High-density lipoprotein, FBS Fasting blood sugar, NAFLD Nonalcoholic fatty liver disease, FI Fating insulin, HOMA-IR Homeostasis model assessment of insulin resistance