Second study
After obtaining encouraging results in the first study, we designed a controlled randomized study (to our knowledge, the first head-to-head-comparison) using two different commercially available probiotic drinks, Actimel® (Danone, Lactobacillus casei defensis DN-114001) and Yakult® (Yakult Deutschland GmbH, Neuss, Germany, Lactobacillus casei Shirota). Both preparations are widely available as food products and claim to contain at least 1010 colony forming bacteria of Lactobacillus casei strains. The probiotic drinks were bought by the canteen kitchen of the hospital. This part of the study took place in the same Internal Medicine department and started only a short period after the end of the first study. Due to the sponsor-independent nature of the study, we were unable to design this study as double-blind. Consecutive patients on the three wards were asked to participate in this study by using probiotic drinks twice daily and were randomized in the sequence of admission. The basic data of the patient groups are shown in Table 2. After obtaining informed written consent, the patients were randomized and received open-label drinks. All of the patient charts were analyzed regarding diarrhea during the antibiotic treatment. The study was approved by the local ethics committee.
Second study
After obtaining encouraging results in the first study, we designed a controlled randomized study (to our knowledge, the first head-to-head-comparison) using two different commercially available probiotic drinks, Actimel® (Danone, Lactobacillus casei defensis DN-114001) and Yakult® (Yakult Deutschland GmbH, Neuss, Germany, Lactobacillus casei Shirota). Both preparations are widely available as food products and claim to contain at least 1010 colony forming bacteria of Lactobacillus casei strains. The probiotic drinks were bought by the canteen kitchen of the hospital. This part of the study took place in the same Internal Medicine department and started only a short period after the end of the first study. Due to the sponsor-independent nature of the study, we were unable to design this study as double-blind. Consecutive patients on the three wards were asked to participate in this study by using probiotic drinks twice daily and were randomized in the sequence of admission. The basic data of the patient groups are shown in Table 2. After obtaining informed written consent, the patients were randomized and received open-label drinks. All of the patient charts were analyzed regarding diarrhea during the antibiotic treatment. The study was approved by the local ethics committee.
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Second study
After obtaining encouraging results in the first study, we designed a controlled randomized study (to our knowledge, the first head-to-head-comparison) using two different commercially available probiotic drinks, Actimel® (Danone, Lactobacillus casei defensis DN-114001) and Yakult® (Yakult Deutschland GmbH, Neuss, Germany, Lactobacillus casei Shirota). Both preparations are widely available as food products and claim to contain at least 1010 colony forming bacteria of Lactobacillus casei strains. The probiotic drinks were bought by the canteen kitchen of the hospital. This part of the study took place in the same Internal Medicine department and started only a short period after the end of the first study. Due to the sponsor-independent nature of the study, we were unable to design this study as double-blind. Consecutive patients on the three wards were asked to participate in this study by using probiotic drinks twice daily and were randomized in the sequence of admission. The basic data of the patient groups are shown in Table 2. After obtaining informed written consent, the patients were randomized and received open-label drinks. All of the patient charts were analyzed regarding diarrhea during the antibiotic treatment. The study was approved by the local ethics committee.
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