Table 1 Short-term clinical trials (<4 months) using probiotics for bacterial vaginosis (BV) treatment without antibiotics.

From: The right bug in the right place: opportunities for bacterial vaginosis treatment

Studies

Size

Type of study

Duration

Time

Route of administration

Probiotics and cure rate

Probiotics (CFU)

Control (Placebo)

Control (Antibiotics)

Control (Blank)

Control (Other)

Statistics (Control vs. Probiotics)

Reid et al., 200364

64

R, PC

90 days

60 days

Oral capsule

L. rhamnosus GR-1 and L. fermentum RC-14 (37%)

>109

Yes (13%)

   

p = 0.02

Hantoushzadeh et al., 201297

300

R, AC

1 week

Twice a day/week

Oral yogurt

L. bulgaris, Streptococcus thermophilus, L.acidophilus, and Bifidobacterium lactis (80%)

100 g yogurt

 

Clindamycin (84%)

  

p = NS

Vujic et al., 201355

544

R, PC, DB

12 weeks

6 weeks

Oral capsule

L. rhamnosus GR-1 and L. reuteri RC-14 (51.1%)

>109

Yes (20.8%)

   

p < 0.001

Hallén et al., 199298

57

R, DB, PC

40 days

6 days

Vaginal plug

L. acidophilus (21%)

108–9

Yes (0%)

   

p = NS

Neri et al., 199399

84

R, AC

8 weeks

7 days

Vaginal douche

L. acidophilus (88%)

108

  

Yes (5%)

5% acetic acid (38%)

p < 0.001 p = 0.04

Parent et al., 1996100

32

R, PC

4 weeks

6 days

Vaginal tablet

L. acidophilus (88%)

≥107

Yes (22%)

   

p < 0.05

Ozmen et al., 199867

211

R, AC

1 menstrual period

12 days

Vaginal suppository

L. acidophilus (55.6%)

107–7 × 108

 

Metronidazole (87.7%)

  

p < 0.001

Anukam et al., 200656

40

R, OB, AC

30 days

5 days

Vaginal capsule

L. rhamnosus GR-1 and L. reuteri RC-14 (88%)

109

 

Metronidazole (55%)

  

p = NS

Mastromarino et al., 2009101

34

R, DB, PC

3 weeks

7 days

Vaginal tablet

L. brevis CD2, L. salivarius FV2, and L. plantarum FV9 (61%)

≥109

Yes (19%)

   

p < 0.05

Ya et al., 2010102

120

R, DB, PC

2 months

Two separate 7 days

Vaginal capsule

L. rhamnosus, L. acidophilus, and Streptococcus thermophilus (84.2 %)

8 × 109

Yes (55%)

   

p < 0.001

Ling et al., 2013103

55

R, AC

30 days

10 days

Vaginal smear

L. delbrueckii subsp. lactis DM8909 (96%)

>109

 

Metronidazole (70%)

  

p = 0.013

Vicariotto et al., 2014104

34

R, PC

56 days

28 days

Vaginal tablet

L. fermentum LF15 and L. plantarum LP01 (83.3%)

4 × 108

Yes (10%)

   

p < 0.001

  1. Note: The studies are cited in chronological order separated by oral and vaginal administrations.
  2. R randomized, DB double blind, PC placebo controlled, OB observer blind, AC active controlled, CFU colony-forming unit, NS not significant.