Giới thiệu

Liều cho người lớn

Cách dùng Thông thường
Liều dùng 2.5 gm IV (truyền trong 2 giờ) q8h
Phác đồ liều khác Truyền trong 3 giờ theo hướng dẫn AMR
Thông tin bổ sung 2.5 gm = ceftazidime 2 gm + avibactam 0.5 gm

Liều cho trẻ em

Dose (Age >28 Days) FDA-approved dosing:
Age ≤28 days, GA ≥31 wks: 25 mg/kg q8h
Age >28 days to <3 mon: 37.5 mg/kg q8h
Age 3 mon to <6 mon: 50 mg/kg q8h
Age 6 mon to <2 yrs: 62.5 mg/kg q8h
Age 2 to <18 yrs: 62.5 mg/kg q8h
Per AMR gram-negative guidance:
Age ≤28 days, GA ≥31 wks: 31.25 mg/kg q8h
Age >28 days to <3 mon: 37.5 mg/kg (over 3 hr) q8h
Age 3 mon to 18 yrs: 62.5 mg/kg (over 3 hr) q8h
NOTE: use 2 hour infusions for CNS infections
Max/Day 7.5 gm

Chỉnh liều trên bệnh nhân suy thận

Half-life bình thường Ceftazidime 2.8
Avibactam 2.7
Half-life ESRD Ceftazidime 13–25
Liều bình thường 2.5 gm IV q8h
Chỉnh liều suy thận CrCl >50: No dosage adjustment
CrCl 31–50: 1.25 gm q8h
CrCl 16–30: 0.94 gm q12h
CrCl 6–15 (± HD): 0.94 gm q24h
CrCl ≤5 (± HD): 0.94 gm q48h
Hemodialysis 0.94 gm q24–48h
(AD on dialysis days)
CAPD No data
CRRT CVVH: 1.25 gm q8h
CVVHDF: 2.5 gm q8h
SLED No data

Chỉnh liều trên bệnh nhân suy gan

Mild impairment (Child-Pugh Class A) No dosage adjustment
Moderate impairment (Child-Pugh Class B) No dosage adjustment
Severe impairment (Child-Pugh Class C) No dosage adjustment

Chỉnh liều trên bệnh nhân ECMO

Effect of ECMO Cmin target values above predefined cutoff values
Dose recommendation ECMO-specific dose adjustment not required
Comments, reference Data from 14 patients. Augmented renal clearance (CrCl >130) was main factor associated with underdosing (JAC 2024;79:1182).

Chỉnh liều trên bệnh nhân béo phì

Recommendation No dose adjustment appears necessary
Comments Based on PK/PD data (Pharmacotherapy 2023;43:226).
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