Vitic NexusVitic Nexus is the next generation chemical database and information management system, offering researchers and scientists rapid access to searchable toxicological information. Early review of Vitic Nexus is the quick, inexpensive way to identify potentially toxic chemicals, and therefore reject unsuitable drug candidates.
Vitic Nexus is your trusted toxicity expert and management system; containing data implemented by scientists at Lhasa Limited, who continually work on the toxicity database with current toxicological knowledge.ZenethZeneth is an expert, knowledge-based software that gives you accurate forced degradation predictions quickly. Zeneth is the perfect cost-effective solution for scientists who need to understand the forced degradation pathways of organic compounds.
Zeneth is your trusted degradation expert system. It is based on data implemented by scientists at Lhasa Limited, who continually work on the transformation knowledge base with current transformation knowledge.
This FAQs section details frequently asked questions about the ICH M7 guidelines. For FAQs on Lhasa products, please refer to the relevant product area.
Can I use two complimentary (Q)SAR prediction methodologies from the same vendor?
Two models are required by the (draft) M7 guidelines using orthogonal methodologies as studies have shown that this increases sensitivity and coverage. There is no reason to preclude these models being from the same vendor. The reason for different methodologies is because they perceive the data in different ways.
Lhasa Limited currently offers:
Derek Nexus - an expert rule-based system
Sarah Nexus - a statistical-based system