Table 2 The characteristics of included studies.

From: GLP-1 agonists and changes in body mass and composition in adults with overweight or obesity with or without type 2 diabetes mellitus: a systematic review and meta-analysis

Author

Setting

Study design

GLP-1 RA

Target dose

Frequency of administration

Route of administration

Study Group

(F/M; Age)

Diabetes status

Outcomes

Body composition assessment

3-month GLP-1 RA therapy

Anyiam et al. [30]

United Kingdom

Single-centre open-label, randomized, parallel group pilot

Semaglutide

1.0 mg

Weekly

SC

10 (5/5; 61.1 ± 3.0)

T2DM

BW, BMI, FBM, LBM

DXA

Chen et al. [31]

China

Retrospective, cohort

Dulaglutide

1.5 mg

Weekly

SC

70 (13/57; 44.19 ± 10.57)

T2DM

BW, BMI, FBM, FBM%, LBM, LBM%, VAT, SMM, SMM%, BMC

BIA

Gao et al. [54]

China

Randomized, single-site clinical trial

Beinaglutide

0.2 mg

Three times Daily

SC

32 (16/16; 32.5 ± 1.6)

BW, BMI, WC, FBM, FBM%, LBM, AF, GF, VAT

DXA

Jensterle et al. [55]

Slovenia

Clinical trial

Liraglutide

1.2 mg

Daily

SC

36 (36/0; 31.2 ± 7.8)

BW, BMI, WC, FBM%, VAT

DXA

Jensterle et al. [56]

Slovenia

Open-label, randomized, prospective

Liraglutide

1.2 mg

Daily

SC

14 (14/0; NR)

BW, BMI, WC, FBM%

DXA

Jensterle et al. [57]

Slovenia

Open-label, randomized, prospective

Liraglutide

1.2 mg

Daily

SC

14 (14/0; NR)

BW, BMI, WC, VAT

DXA

Li et al. [58]

China

Prospective, observational

Liraglutide

1.2 mg

Daily

SC

31 (15/16; 48.5 ± 11.4)

T2DM

BW, BMI, WC, FBM, FBM%, LBM

DXA

Muñoz et al. [24]

Mexico

Single-center, quasi-experimental, prospective

Liraglutide

3 mg

Daily

SC

37 (28/9; 44 ± 9.8)

T2DM

BW, BMI, FBM, FBM%, FFM, VAT

BIA

Ozeki et al. [41]

Japan

Retrospective, pilot

Semaglutide

NR

NR

NR

13 (NR; 52.0 ± 6.9)

T2DM

BW, BMI, FBM, FBM%, SMM, SMM%, BMC

BIA

Seko et al. [32]

Japan

Retrospective, case-series

Dulaglutide

0.75 mg

Weekly

SC

15 (12/3; 66.8 ± 2.7)

T2DM

BMI, FBM, LBM, SMM, RSMI,BMC

BIA

Yu et al. [23]

China

Prospective, randomized, controlled

Liraglutide

1.8 mg

Daily

SC

47 (24/23; 51.53 ± 9.11)

T2DM

BW, BMI, WC, HC, WHR, FBM, FBM%, VAT

CT, BIA

Zakaria et al. [22]

United Arab Emirates

Observational, retrospective

Semaglutide

1.0 mg

Weekly

SC

115 (69/46; 43.09 ± 9.90)

BW, BMI, FBM, SMM

BIA

Tirzepatide

10 mg

Weekly

SC

Liraglutide

3 mg

Daily

SC

6-month GLP-1 RA therapy

Agcakaya et al. [34]

Turkey

Retrospective

Exenatide

10 μg

Daily

SC

50 (46/4; 56.28 ± 9.72)

T2DM

BW, BMI, FBM%, FFM%

BIA

Akyay et al. [59]

Turkey

Prospective, randomized, active-controlled

Exenatide

10 μg

Daily

SC

17 (15/2; 49.88 ± 7.76)

T2DM

BMI, FBM

BIA

Cuthbertson et al. [35]

United Kingdom

Prospective

Exenatide (19)

10 μg

Twice daily

SC

25 (13/12; 50 ± 10)

T2DM

BW, BMI, WC, VAT

MRI

Liraglutide (6)

1.2 mg

Daily

SC

Elkind-Hirsch et al. [60]

USA

Randomized, single-blind, parallel, prospective study trial

Exenatide

2 mg

Weekly

SC

20 (20/0; 30 ± 1.1)

BW, BMI, WC, WHR, WHtR, FBM, FBM%, LBM, AGR

DXA

Feng et al. [61]

China

Single-center, open-label, prospective, randomized trial

Liraglutide

1.8 mg

Daily

SC

29 (8/21; 46.8 ± 1.8)

T2DM

BW, BMI, WC, FBM, LBM, AF, GF

DXA

Freitas et al. [53]

Brazil

Prospective, non-randomized

Liraglutide

3 mg

Daily

SC

57 (24/33; F: 46 ± 9, M: 42 ± 11)

BW, BMI, HC, WHR, FBM, FBM%, SMM

BMI

Mittag-Roussou et al. [36]

Germany

Prospective, real-world data

Exenatide

10 μg

Twice daily

SC

17 (9/8; 66 [49, 62])

T2DM

BW, BMI, WC, FBM, FFM, VAT

BIA

Liraglutide

1.8 mg

Daily

SC

Dulaglutide

1.5 mg

Weekly

SC

Nakaguchi et al. [63]

Japan

Open-label, parallel-group, randomized controlled trial

Liraglutide

0.9 mg

Daily

SC

30 (9/21; 67.2 ± 9.0)

T2DM

BW, BMI, WC, FBM, FBM%, LBM

DXA

Pantanetti et al. [28]

Italy

Double-center, single-arm, observational, prospective

Semaglutide

14 mg

Daily

PO

61 (13/48; 61 ± 9.90)

T2DM

BW, BMI, FBM%, SMM%

BIA

Perna et al. [40]

Italy

Perspective, case-series

Liraglutide

3.0 mg

Daily

SC

9 (3/6; 68.22 ± 3.86)

T2DM

BW, BMI, WC, FBM, FBM%, FFM, FFM%, AF%, GF%, AGR, RSMI

DXA

Rodríguez Jiménez et al. [26]

Italy

Quasi-experimental, retrospective

Semaglutide

1.0 mg

Weekly

SC

55 (26/29; 55.3 ± 10.4)

T2DM

BW, BMI, FBM, FBM%, FFM, FFM%, LBM, VAT, SMM, RSMI, BMC

BIA

Semaglutide

14 mg

Daily

PO

33 (11/22; 61.8 ± 7)

Rondanelli et al. [64]

Italy

Cohort study

Liraglutide

3.0 mg

Daily

SC

28 (12/16; 58.75 ± 9.33)

T2DM

BW, BMI, WC, FBM, FBM%, FFM, AF%, GF%, AGR, RSMI

DXA

Uchiyama et al. [65]

Japan

Retrospective, longitudinal

Semaglutide

14 mg

Daily

PO

25 (11/14; 54.1 ± 2.7)

T2DM

BMI, FBM, LBM, RSMI

BIA

Volpe et al. [29]

Italy

Open-label, real-life prospective

Semaglutide

7 mg

Daily

PO

32 (18/14; 66.3 ± 8.5)

T2DM

BW, BMI, WC, FBM, FBM%, FFM, FFM%, VAT, SMM, RSMI

BIA

Volpe et al. [66]

Italy

Prospective, single-arm, open-label, real-life

Semaglutide

1.0 mg

Weekly

SC

40 (19/21; NR)

T2DM

BW, BMI, WC, VAT, SMM, RSMI

BIA

Xiang et al. [27]

China

Retrospective, cohort

Semaglutide

1.0 mg

Weekly

SC

43 (33/10; 30.4 ± 8.1)

BW, BMI, WC, HC, FBM, FBM%, VAT, SMM, RSMI

BIA

Zhang et al. [33]

China

Randomized, controlled, open-label

Dulaglutide

1.5 mg

Weekly

SC

35 (35/0; 30.31[28.58, 32.05])

NR

BMI, BMI, WC, FBM, FBM%, LBM, LBM%, VAT

DXA

12-month GLP-1 RA therapy

Capristo et al. [25]

Italy

Three-arm non-randomized, controlled, pilot

Liraglutide

3.0 mg

Daily

SC

25 (20/5; 46.2 ± 17.35)

BW, BMI, FBM, LBM

DXA

McCrimmon et al. [67]

USA, Canada, UK, Ireland, Sweden, Lebanon, Malaysia, Argentina, Mexico, Brazil, India

Randomized, double-blind, double-dummy, parallel-group trial

Semaglutide

1.0 mg

Weekly

SC

88 (NR, 57.8 ± 9.9)

T2DM

BW, BMI, WC, FBM, FBM%, LBM, LBM%

DXA

Pantanetti et al. [68]

Italy

Single-center, observational, prospective

Semaglutide

1.0 mg

Weekly

SC

90 (37/53; 63.0 ± 10.0)

T2DM

BW, BMI, WC, FBM, FBM%, LBM, LBM%

BIA

Sandsdal et al. [69]

Denmark

Randomized, double-blind, placebo-controlled trial

Liraglutide

3.0 mg

Daily

SC

36 (NR)

BW, BMI, WC, FBM%, AF%, GF%, AGR

DXA

Vedtofte et al. [70]

Denmark

Longitudinal, randomized, placebo-controlled trial

Liraglutide

1.8 mg

Daily

SC

37 (37/0; 38.8 [34.3, 40.7])

BW, BMI, WC, WHR, FBM%, AGR

DXA

Volpe et al. [62]

Italy

Prospective, single-arm, real-life

Semaglutide

1.0 mg

Weekly

SC

48 (22/26; 57.7 ± 8.4)

T2DM

BW, BMI, WC, VAT, RSMI

BIA, US

Yabe et al. [71]

Japan

Multi-center, randomized, double-blind, parallel, active-controlled

Dulaglutide

0.75 mg

Weekly

SC

19 (3/16; 59.3 ± 8.6)

T2DM

BW, BMI, LBM, FBM

BIA

  1. F female, M male, NR not reported, T2DM type 2 diabetes mellitus, SC subcutaneous, PO per os, BW body weight, BMI Body Mass Index, WC waist circumference, HC hip circumference, WHR waist-to-hip ratio, WHtR waist-to-height ratio, FBM fat-body mass, FBM% fat-body mass percentage, FFM fat-free mass, FFM% fat-free mass percentage, LBM lean body mass, LBM% lean body mass percentage, AF android fat, GF gynoid fa, AGR android-to-gynoid fat ratio, RSMI Relative Skeletal Muscle Index, BMC bone mineral content, BIA bioelectrical impedance analysis, DXA dual-energy x-ray absorptiometry, CT computed tomography, MRI magnetic resonance imaging, US ultrasound.