Delayed release phosphatidylcholine in chronic-active ulcerative colitis: a randomized, double-blinded, dose finding study
Background - In 2 preceding studies, delayed release phosphatidylcholine (rPC) was found to (a) improve disease activity and (b) withdraw steroids in patients with chronic-active ulcerative colitis. - Goal - Objective of the study was to determine the most effective r...
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| Main Authors: | , , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
May 1, 2010
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| In: |
Journal of clinical gastroenterology
Year: 2010, Volume: 44, Issue: 5, Pages: e101-e107 |
| ISSN: | 1539-2031 |
| DOI: | 10.1097/MCG.0b013e3181c29860 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1097/MCG.0b013e3181c29860 Verlag, lizenzpflichtig, Volltext: https://journals.lww.com/jcge/fulltext/2010/05000/delayed_release_phosphatidylcholine_in.2.aspx 
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| Author Notes: | Wolfgang Stremmel, MD, Annika Braun, MD, Anja Hanemann, MS, Robert Ehehalt, MD, Frank Autschbach, MD, and Max Karner, MD |
MARC
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| 245 | 1 | 0 | |a Delayed release phosphatidylcholine in chronic-active ulcerative colitis |b a randomized, double-blinded, dose finding study |c Wolfgang Stremmel, MD, Annika Braun, MD, Anja Hanemann, MS, Robert Ehehalt, MD, Frank Autschbach, MD, and Max Karner, MD |
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| 520 | |a Background - In 2 preceding studies, delayed release phosphatidylcholine (rPC) was found to (a) improve disease activity and (b) withdraw steroids in patients with chronic-active ulcerative colitis. - Goal - Objective of the study was to determine the most effective rPC dose with least adverse events. - Study - A randomized, dose-controlled, double-blinded study. Four groups of 10 patients each with nonsteroid-treated, chronic-active ulcerative pancolitis with a clinical activity index (CAI) and endoscopic activity index (EAI) ≥7. Patients were treated with oral rPC at doses of 0.5, 1, 3, and 4 g daily over 12 weeks. - Results - The CAI changes from baseline to the end of the study were 2.5 (0.5 g), 7.0 (1 g), 5.5 (3 g), and 6.0 (4 g dose arm). Significant improvement of the CAI was registered between the lowest rPC dose of 0.5 g (control group) and all higher doses of 1.0, 3.0, and 4.0-g rPC (P≤0.05). Remission (CAI ≤3) was reached in 5/10 and 6/10 patients in the 3 and 4-g dose groups compared with no patients in the 0.5-g arm (P=0.033). In the 1-g dose group only 3/10 patients reached remission (P=0.21). The rates of clinical response (≥50% CAI improvement) were 70% in all of the effective dose groups (1 to 4 g, P=0.003). This was paralleled by the EAI improvement and by the rates of mucosal healing. Median time to clinical response was 5 (IQR 2 to 8) weeks. Bloating was registered in 40% of the patients irrespective of the treatment dose. Three of the 10 patients in the 4 g dose group reported nausea. - Conclusion - We found a saturable dose response of rPC in the treatment of chronic-active ulcerative colitis with effective doses ≥1 g per day; doses of 3 and 4 g seem to be superior in achieving remission. | ||
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