from German Research Council
from University of Leipzig
- 1996-1997: Influence of progesterone on expression of sperm adhesion molecules.
- 1997-1998: Localisation of integrins ß1, ß3 and ß4 as well as of matrix proteins on the surface of male gametes by APAAP-technique
- 1999-2000: Systematic investigations on expression of adhesion molecules and markers of apoptosis on human spermatozoa and in testicular tissue.
- 1999-2000: Influence of the expression of phosphodiesterase-subtypes on the fertility of human spermatozoa (molecularbiological investigations)
from industry — Clinical studies
- Bayer Co. (Bay 19-8004/10231) in the period 2000/2001
- European male reproductive health 2002 International study of the European Union with Centre in Copenhagen (Rigshospitalet Copenhagen, GR-5064, Blegdamsvej 9, DK-2100 Copenhagen)
- Long-term trial on transdermal testosterone substitution from gel preparations TGL-02/2001 (Fa. Wolff) 2002
- Long-term trial on testosterone substitution from gel preparations in various regimen (Fa. Wolff) 2002 - 2005