After the failed clinical trials it seems like phytopharm has stopped existing. Does anyone know more about cogane and from which plant it was subtracted ?

I think it is a pity they gave up on this, especially without revealing more details about the product. The product seems to increase neurotrophic factors but several studies with alpha-synuclein mice have shown that neurotrophic factors have no effect in an environment with misfolded alpha-synuclein. However, they could still have tested whether it could prevent people from getting PD. Or they could have tested whether it could ameliorate condition of people with stroke .. or prevent stroke. Or it could have been beneficial for brainhealth, memory, ...