| abstract |
The present invention relates to an in-situ lecithin microemulsion gel formulation comprising as gel-forming phase at least one lecithin in a concentration of 0.1 to 50 wt .-%, based on a non-polar continuous phase, and optionally at least one polar agent, wherein in the event that at least one polar agent is present, at a concentration less than the concentration required for complete gelation, for use as a therapeutic or diagnostic agent in ophthalmology and / or rhinology and / or ENT. |