Chemoprevention of Colorectal Adenomas
Stopped The overall program was terminated
Conditions
Interventions
- DRUG: 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol)
- DRUG: 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3)
- DRUG: placebo to 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol)
- DRUG: placebo to 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3)
- PROCEDURE: Colonoscopy
Sponsor
Colotech A/S