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Table 2 Treatment regimen and outcomes of MR-MAC-PD

From: Clinical characteristics and treatment outcomes of patients with macrolide-resistant Mycobacterium avium complex pulmonary disease: a systematic review and meta-analysis

Study

N

Treatment regimen, n (%)

FQ, n (%)

AG, n (%)

CFZ, n(%)

Surgery, n (%)

Treatment duration, months

Tanaka 1999 [13]

6

NA

NA

NA

NR

NR

NA

Griffith 2006 [5]

51

Surgery, prolonged (≥6 mo) AG: 14 (27)

Surgery, no prolonged AG: 2 (4)

No surgery, prolonged AG: 8 (16)

No surgery, no prolonged AG: 27 (53)

CIPX 4 (8)

GTFX 6 (12)

SM 24 (47)

AMK 11 (22)

4 (8)

16 (31)

NA*

Moon 2016 [6]

34

Macrolide 16 (47), EMB 25 (74),

RIF or RFB 34 (100)

MFX 17 (50)

SM 13 (38)

4 (12)

2 (6)

23.0

(16.8–45.3)

Morimoto 2016 [7]

90

CAM 55 (61), RFB 15 (17)

FQ 56 (62) for median 12 mo

AG 52 (58) for median 6 mo

STFX 44 (49)

MFX 11 (12)

LFX 8 (9)

AMKi 32 (36)

AMKn 7 (8)

KM 10 (11)

SM 4 (4)

NR

11 (12)

21

(10–37)

Kadota 2016 [8]

33

CAM 24 (73), AZM 2 (6),

Regimen without macrolide 7 (21)

FQ for median 5 mo

LFX 16 (48)

MFX 2 (6)

STFX 2 (6)

KM 9 (27)

NR

0 (0)

10.4 ± 1.6

Yagi 2017 [14]

9

RIF + EMB + FQ + AMKn: 4 (44)

RIF (RFB) + FQ + AMKn: 2 (22)

EMB + FQ + AMKn: 1 (11)

RIF + EMB + AMKn: 1 (11)

CAM + EMB + AMKn: 1 (11)

STFX 6 (67)

MFX 1 (11)

AMKn 9 (100)

0 (0)

0 (0)

(6–16)#

Aznar 2018 [15]

8

All patients received GBT, including a macrolide, ethambutol, and a rifamycin when possible. Four patients had adjuvant surgery.

NA

NA

NA

4 (50)

> 12

Griffith 2018 [16]

73

Patients were randomly assigned in a 2:1 ratio to receive ALIS to GBT or GBT alone.

NA

ALIS 51 (70)

NA

NA

NA

Asakura 2019 [17]

15

GBT plus STFX 200 mg 14 (93)

GBT plus STFX 100 mg 1 (7)

STFX 15 (100)

AMKi or AMKn

5 (33)

NR

2 (13)

≥12 mo: 13 (87%)

< 12 mo: 2 (13%)

Study

N

Sputum culture conversion definition

Conversion, n (%)

Mortality, n (%)

Follow-up duration,

months

  

Tanaka 1999 [13]

6

Consecutive negative cultures during a 3-month period

1 (17)

NR

NA

  

Griffith 2006 [5]

51

A minimum of three consecutive negative cultures over a minimum time of three months

13 (26)

1-yr 13 (25)

2-yr 17 (33)

(16–84)

(18–54)

  

Moon 2016 [6]

34

Three consecutive negative cultures, 2- to 3-month intervals

5 (15)§

1-yr 3 (9)

3-yr 8 (24)

5-yr 16 (47)

39.3

(22.9–43.4)

  

Morimoto 2016 [7]

90

Three consecutive negative cultures

10 (11)

1-yr 8 (9)

2-yr 13 (15)

3-yr 15 (17)

5-yr 26 (29)

21

(10–37)

  

Kadota 2016 [8]

33

Two consecutive negative cultures. If the patient could not expectorate sputum, it was considered to have converted to negative

12 (36)

1-yr 2 (6)

10.4 ± 1.6

  

Yagi 2017 [14]

9

Three consecutive negative cultures after amikacin inhalation

3 (33)

NR

NR

  

Aznar 2018 [15]

8

Persistently negative cultures or when unable to provide sputum specimens for culture during at least 12 months

3 (38)

1-yr 0 (0)

> 12

  

Griffith 2018 [16]

73

Three consecutive monthly MAC-negative cultures by Month 6

8 (11)

NR

6**

  

Asakura 2019 [17]

15

Three consecutive negative cultures. If the patients did not expectorate sputum, the status was recorded as negative.

6 (40)

NA

NA

  
  1. Note: Data are presented as mean ± standard deviation or median (interquartile range) unless otherwise indicated
  2. *Duration of prolonged aminoglycoside therapy for 14 patients is 12.0 ± 4.1 (range 7–19) months
  3. †Range of follow-up duration for survived patients who remained culture-positive after resistance diagnosis
  4. ‡Range of follow-up duration for survived patients who were cured or culture converted after resistance diagnosis
  5. §Number of patients who achieved ‘favorable outcome,’ which was defined as sputum culture conversion within 12 months after initiation of treatment and maintenance of a negative culture for 12 months or longer on treatment
  6. #Range of AMKn duration except for one patient who discontinued within 1 month due to pneumothorax. Two of eight patients used AMKi at some interval
  7. ** The study reported primary results at 6 months of ongoing phase 3 CONVERT study
  8. Abbreviations: MR-MAC-PD macrolide-resistant M. avium complex pulmonary disease, CAM clarithromycin, AZM azithromycin, EMB ethambutol, RIF rifampicin, RFB rifabutin, CIPX ciprofloxacin, LFX levofloxacin, MFX moxifloxacin, STFX sitafloxacin, GTFX gatifloxacin, AMKn amikacin inhalation, AMKi amikacin injection, ALIS amikacin liposome inhalation suspension, SM streptomycin, KM kanamycin, CFZ clofazimine, GBT guideline-based therapy, NR not reported in the article, NA specific data for MR-MAC-PD patients are not available