PCT No. PCT/SE93/01029 Sec. 371 Date May 30, 1995 Sec. 102(e) Date May 30, 1995 PCT Filed Nov. 29, 1993 PCT Pub. No. WO94/12153 PCT Pub. Date Jun. 9, 1994A pharmaceutical formulation for intraduodenal administration comprising at least one phamacologically active agent, with limited solubility in water and is dispersed in an aqueous carrier. According to the invention, the active agent has a particle size not exceeding 20 mu m, and the aqueous carrier has a viscosity of at least 300 mPas, measured at a moderate shear rate.