Budesonide is a locally acting steroid with a high first-pass metabolism in the liver and low systemic effects. We performed the first pilot study comparing budesonide foam (1 mg/50 ml b.i.d.) with mesalazine enemas (4 g/60 ml o.d.). 33 patients from 3 centres were enrolled in this open randomized clinical trial. 16 patients got budesonide foam and 17 got mesalazine enemas. The drugs were administered for 4 weeks. Histological index (HI) and endoscopic index (EI) were assessed at day 1 and day 28, clinical activity index (CAI) at day 1, 14 and 28. For patients with left-sided colitis and proctosigmoiditis improvement was defined as decrease in CAI of > or = 2 points. For patients with proctitis improvement was defined as decrease in HI of > or = 1 point. The primary efficacy evaluation was performed with the intention to treat population (n = 32). Improvement was found in 67% of the patients in the budesonide group compared to 71% in the mesalazine group. There was no statistically significant difference between the groups. Adverse events were mild and rare in both groups. Both treatments had no significant influence on plasma cortisol. In this pilot study for distal ulcerative colitis budesonide foam is as safe and effective as mesalazine enema.
In the light of the fact that the reported mortality rate associated with open surgery for colorectal carcinoma is 3 % as compared with about 1 % risk of lymph node metastasis and 0,1 % mortality rate for the endoscopic modality, endoscopic removal of a pT1 tumour in a low-risk situation followed by appropriate surveillance can be considered as adequate treatment.
FNB is indicated for non-functioning tumours examined in patients with a history of tumour, furthermore, for incidental findings of the size between 4-6 cm. A diagnostic approach to adrenal masses is suggested.
Colorectal Carcinoma – Evidence-Based Endoscopic Therapy and Perspectives Endoscopic removal of a pT1 tumor in a low-risk situation followed by appropriate surveillance can be considered as an adequate treatment. In a high-risk situation subsequent surgical resection has to be carried out. There are many different endoscopic methods for palliative treatment of advanced colorectal cancer. Their value and delimitation in comparison to surgical therapy is still not defined.
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