Table 4.
Clinical Trials of Probiotics Used to Prevent Traveler’s Diarrhea (from Marteau et al.1)
| Study | Probiotic | Study Size | Probiotic Group vs. Control Group |
|---|---|---|---|
| Pozo-Olano, 1978 | Lactobacillus acidophilus + Lactobacillus bulgaricus | 50 | 35% vs. 29% (NS) |
| Kollaritsch, 1983 | Lactobacilli | 212 | 55% vs. 51% (NS) |
| Katelaris, 1995 | Lactobacillus fermentum strain KLD | 282 | 23.8% vs. 23.8% (NS) |
| Katelaris, 1995 | L. acidophilus | 282 | 25.7% vs. 23.8% (NS) |
| Black, 1989 | L. acidophilus + Streptococcus thermophilus + Bifidobacterium bifidum + L. bulgaricus | 81 | 43% vs. 71% (P = 0.02) |
| Kollaritsch von, 1993 | Saccharomyces boulardii | 1016 | 28.7% vs. 39.1% (P < 0.05) |
| Oksanea 1990 | Lactobacillus rhamnosus GG | 756 | 41% vs. 46.5% (P = 0.065) |
| Hilton, 1997 | L. rhamnosus GG | 245 | 3.9%/day vs. 7.4%/day (P = 0.05) |