Skip to main content
. 2021 Jul 26;8:655042. doi: 10.3389/fmed.2021.655042

Table 1.

The basic characteristics of included studies.

References Study design No. of patients Country/centers Procedures Age (years) Gender (M/F) Criterion of sedation Remimazolam Control
Borkett et al. (20) RCT 100 United States/multicenter Upper gastrointestinal endoscopy 18–65 46/54 Initiated sedation: MOAA/S ≤ 3; Maintained sedation: MOAA/S ≤ 4 Single dose:
0.10 mg/kg
0.15 mg/kg
0.20 mg/kg
Midazolam: (Single dose 0.075 mg/kg)
Chen et al. (21) RCT 384 China/multicenter Colonoscopy 18–65 161/223 Initiated sedation: MOAA/S ≤ 3; Maintained sedation: MOAA/S ≤ 4 Initial dose:
5.0 mg;
Top-up dose:
2.5 mg per time
Propofol: (Initial dose: 1.5 mg/kg; top-up dose: 0.5 mg/kg per time)
Chen* et al. (14) RCT 378 China/multicenter Upper gastrointestinal endoscopy 18–60 148/230 Initiated sedation: MOAA/S ≤ 3; Maintained sedation: MOAA/S ≤ 4 Initial dose:
5.0 mg;
Top-up dose:
2.5 mg per time.
Propofol: (Initial dose:1.5 mg/kg; top-up dose:0.5 mg/kg per time)
Pambianco et al. (24) RCT 160 United States/multicenter Colonoscopy 18–70 72/88 Initiated sedation: MOAA/S ≤ 3; Maintained sedation: MOAA/S ≤ 4 Initial and
top-up dose:
8.0/3.0 mg
7.0/2.0 mg
5.0/3.0 mg
Midazolam: (Initial and top-up dose: 2.5/1.0 mg)
Pastis et al. (12) RCT 439 United States/multicenter Bronchoscopy 22–95 206/233 Initiated sedation: MOAA/S ≤ 3; Maintained sedation: MOAA/S ≤ 4 Initial dose:
5.0 mg;
Top-up dose:
2.5 mg per time
Placebo; Midazolam: (Initial dose 1.75 mg <60 years or 1.0 mg > 60 years; top-up dose: 1.0 mg <60 years or 0.5 mg > 60 years)
Rex et al. (13) RCT 458 United States/multicenter Colonoscopy 19–92 226/232 Initiated sedation: MOAA/S ≤ 3; Maintained sedation: MOAA/S ≤ 4 Initial dose:
5.0 mg;
Top-up dose:
2.5 mg per time
Placebo; Midazolam: (Initial dose 1.75 mg <60 years or 1.0 mg > 60 years; top-up dose: 1.0 mg <60 years or 0.5 mg > 60 years)
Rex et al. (13) RCT 77 United States/multicenter Colonoscopy 42–84 43/34 Initiated sedation: MOAA/S ≤ 3; Maintained sedation: MOAA/S ≤ 4 Initial dose:
2.5–5.0 mg;
Top-up dose:
1.25–2.5 mg
Placebo; Midazolam: (Initial dose 1.0 mg; top-up dose: 0.5 mg)

MOAA/S, Modified Observer's Assessment of Alertness/Sedation. The evaluation criteria: responds readily to name spoken in normal tone (alert, 5 score); lethargic response to name spoken in normal tone (4 score); responds only after name is called loudly or repeatedly (3 score); responds only after mild prodding or shaking (2 score); does not respond to mild prodding or shaking (1 score); does not respond to noxious stimulation (0 score).

*

indicates different articles published by the same author in the same year.