Table 1 Characteristics of the included studies
Author | Year | Region of study | Study design | Age (year)a | Male/ female | Number of participants | Detail of intervention and comparator | Outcome measurementa | Timepoint for outcome measurement |
|---|---|---|---|---|---|---|---|---|---|
Al-Dujaili E. A. S | 2016 | Jordan | Crossover placebo-controlled trial | 24.6 ± 3.3 | 7/9 | 16 | Intervention Chlorogenic acid 500 mg per day Comparator • Placebo | Body weight (kg) Intervention group • 72.16 ± 16.53 (at day 0) • 71.64 ± 16.35 (1 week later) Comparator group • 72.16 ± 16.53 (at day 0) • 72.10 ± 16.45 (1 week later) | 1 week after baseline |
Shahmohammadi H. A | 2017 | Iran | Randomized controlled trial | 42.93 ± 6.5 | 22/22 | 44 | Intervention • Green coffee bean extract capsule 500 mg (contain 250 mg of chlorogenic acid) take 1 capsule before breakfast and lunch Comparator • Placebo | Body weight (kg) Intervention group • 88.81 ± 6.73 (at day 0) • 85.68 ± 5.73 (8 weeks later) Comparator group • 90.25 ± 6.99 (at day 0) • 88.60 ± 6.69 (8 weeks later) | 8 weeks after baseline |
Roshan H | 2018 | Iran | Randomized controlled trial | 52.36 ± 9.3 | 10/33 | 43 | Intervention • Green coffee bean extract 400 mg twice per day (800 mg per day) Comparator • Placebo | Body weight (kg) Intervention group • 78.10 ± 11.01 (at day 0) • 76.01 ± 10.52 (8 weeks later) Comparator group • 80.11 ± 12.45 (at day 0) • 79.18 ± 12.75 (8 weeks later) | 8 weeks after baseline |