Skip to main content

Table 1 Characteristics of included studies

From: Systematic review: the bioavailability of orally administered antibiotics during the initial phase of a systemic infection in non-ICU patients

Study

Setting

Disease

Phase of infection

Study design

Study drug

Dosage regimen

Sample size

Age (y)

 

Predefined outcomes

Conclusion

Risk of bias score

 

Serum Concentrations or Cmax ( mg/l)

Tmax (h)

AUC (mg/l*h)

Bioavailability (F in %)

Farid et al, 1975

[25]

Hospitalized patients (Egypt)

Salmonella bacteraemia associated with Schistosomiasis

Acute enteric fever/febrile

Cross-sectional

PK after first dose on the first and second day of therapy

amoxicillin

PO: 250mg qd

N=5

Age: 20-29

(N total:12, 7 with age<18 y)

 

Day 1

Day 2

Cserum day 2 adequate for the treatment of the Salmonellae isolated from the urine and blood.

4/10

 

2h

3h

4h

2h

3h

4h

Cserum

      

Pat 7

0.12

4.1

3.1

3.5

-

2.4

Pat 8

2.0

1.1

-

3.3

-

0.7

Pat 9

7.1

-

2.1

8.5

-

1.15

Pat 10

3.1

3.25

1.0

0.63

-

2.0

Pat 11

3.5

3.95

3.65

1.57

-

3.9

Davies et al, 1979

[22]

Hospitalized patients (The Netherlands)

Acute exacerbations of chronic bronchitis

Initial phase

Cross-sectional

PK after first dose of different antibiotics

1. amoxicillin

PO: 750mg

2. ampicillin

PO: 1000mg

1. N=23

2. N=17

Age: -

 

Amoxicillin

Ampicillin

Amoxicillin measured serum concentrations generally satisfactory to treat H. influenza and S. pneumoniae

Ampicillin does not yield satisfactory concentrations in serum and sputum.

1/10

Cmax

11 (6-15 visual inspection)

8.3 (4-13 visual inspection)

Tmax

1.5

2

AUC

30.19

26.34

Bohte et al, 1995

[21]

Hospitalized patients (The Netherlands)

CAP

Initial phase

Cross-sectional

PK around first and second dose

azithromycin

PO: 500 mg bd on day 1, thereafter od during 4 days

N=8

Age: 32-75

 

3h

12h

15h

Low Cserum during the first 12h of treatment as compared to healthy volunteers.

3/10

Cserum

0.06-0.25

0.03-0.12

0.28-0.55

Offman et al, 2000

[26]

Hospitalized patients (Canada)

CAP

Acutely ill

Longitudinal cohort

PK after first dose acutely ill vs. convalescent phase

clarithromycin

PO: 500mg single dose

N= 12

Age: 77±2

 

Acutely ill Ca

Convalescent C

No impaired oral absorption in acutely ill patients with CAP.

During acute phase of significantly decreased Cmax and AUC of 14-hydroxy clarithromycin.

9/10

Cmax

4.32 ± 0.63

3.57 ± 0.46

Tmax

3.50 ± 0.5

2.83 ± 0.59

AUC

47.37 ± 8.51

36.22 ± 6.09*

 

Acutely ill 14-OHb

Convalescent 14-OH

Cmax

0.42 ± 0.08

0.76 ± 0.23*

Tmax

4.83 ± 1.29

3.08 ± 0.51

AUC

5.84 ± 1.08

8.84 ± 1.92*

Patel et al, 1995

[27]

Hospitalized patients (USA)

Acute infectious illnesses

Acute febrile phase (oral T>38.9;rectal T>38.3)

Longitudinal cohort

PK after first dose acutely ill vs. convalescent phase

ciprofloxacin

PO: 500mg single dose

N=12

Age: 36 (20-62)

 

Acutely ill

Convalescent

No significant PK differences between acutely ill and convalescent phase.

8/10

Cmax

2.45 (±0.77)

2.31 (±1.26)

Tmax

1.48 (±0.75)

2.48 (±1.46)

AUC

10.91 (± 3.64)

11.05 (± 4.41)

Ramirez et al, 1985

[28]

Hospitalized patients (Guatemala)

Selected susceptible gram-negative or gram-positive infections

Initial febrile phase, or febrile phase after inadequate treatment

Cross-sectional

PK at first, fourth and last day of therapy

ciprofloxacin

PO: 500mg bd

N= 71

(N total = 100)

Age: 38.1 (18-84)

 

Day 1:

Day 4:

Last day:

Drug levels in blood lower than previously reported

4/10

Cpeak

0.77 ± 0.43

0.79 ± 0.49

0.80 ± 0.41

Cthrough

0.29 ± 0.24

0.34 ± 0.32

0.29 ± 0.24

Guay et al, 1987

[29]

Hospitalized patients (USA)

Lower respiratory tract infections

Acutely ill

Longitudinal cohort

PK after first dose acutely ill vs. convalescent phase

ciprofloxacin

PO: 750mg bd

Febrile

N= 7

Afebrile

N=4

Age: 77.7 (71-89)

(N total = 13, but 6 with renal/hepatic impairment)

 

Acutely ill

Convalescent

No significant PK differences between acute illness and convalescent phase.

6/10

PK n= 4:c

 

Cmax

6.11 ± 2.67

9.9 ± 3.65

Tmax

1.6 ± 0.45

1.3 ± 0.6 h

 

PK n=7:

 

Cmax:

6.83 ± 3.39

 

Tmax:

1.8 ± 0.7

 

Davies et al, 1986

[23]

Hospitalized patients (The Netherlands)

Acute purulent exacerbations of chronic bronchitis

Initial phase

Cross-sectional

PK after first dose of 3 different doses

ciprofloxacin

PO:

Group 1: 500mg bd

Group 2A: 750mg bd (badge 1)

Group 2B: 750mg bd (badge 2)

Group 3: 1000mg bd

N=80 (8)

Group 1: 20

Age: 66.2

Group 2A: 20

Age: 66.8

Group 2B: 20

Age: 60.3

Group 3: 20

Age: 65.9

 

Group 1

Group 2A

Group 2B

Group 3

Measured serum concentrations were generally satisfactory to treat H. influenza or B. catarrhalis.

3/10

Cmax

3.36 (range 1-6)

2.3 (range 1.4-3.4)

3.13 (range 1.3-5)

3.76 (range 2.5-6)

Tmax

2.4

1.68

2.25

1.95

AUC

12.9 (range 6-20.7)

11.1 (range 7-15.6)

14.7 (range 6.8-25.6)

17.9 (range 9.9-25.8)

Davies et al, 1984

[24]

Hospitalized patients (The Netherlands)

Acute exacerbations of chronic bronchitis

Initial phase

Cross-sectional

PK after first dose

enoxacin

PO: 600mg bd

N= 15

Age: 66.4 (50-81)

Cmax

Tmax

AUC0-7

AUC0-12

3.7 (± 1.2 visual inspection)

2.3

17.03

25.02

Good GI-absorption. However, unclear comparator. The interpatient serum concentrations did not differ widely.

1/10

  1. *Statistically significant differences: AUCa, bp < 0.10 for normally distributed values; Cmaxbp < 0.05 for non-normally distributed values
  2. aC Clarithromycin, b14-hydroxy-clarithromycin
  3. cMean PK of the 4 patients who were also evaluated during the convalescent phase