--- title: DEV TEST | Early-phase development description: Early-phase development | Siegfried Blog --- This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. - [Careers](https://www.siegfried.ch/careers/) - [Media](https://www.siegfried.ch/media/) - [Investors](https://www.siegfried.ch/investors/) - [Contact us](https://www.siegfried.ch/contact/) [Company](https://www.siegfried.ch/company/) Company [Purpose](https://www.siegfried.ch/company/purpose/) [Strategy](https://www.siegfried.ch/company/strategy/) [Leadership](https://www.siegfried.ch/company/leadership/) [History](https://www.siegfried.ch/company/history/) [Locations](https://www.siegfried.ch/company/locations/) [Offering](https://www.siegfried.ch/offering/) Offering [Drug Substances](https://www.siegfried.ch/offering/drug-substances/) [Exclusive synthesis](https://www.siegfried.ch/offering/drug-substances/exclusive-synthesis/) [API portfolio](https://www.siegfried.ch/offering/drug-substances/api/) [Reference standards](https://www.siegfried.ch/reference-standards/) [Preclinical and early-phase development](https://content.siegfried.ch/siegfried-acceleration-hub) [Alkaloid raw materials extraction](https://extractas.com.au/) [Drug Products](https://www.siegfried.ch/offering/drug-products/) [Oral solid dosage forms](https://www.siegfried.ch/offering/drug-products/oral-solids/) [Sterile injectables](https://www.siegfried.ch/offering/drug-products/sterile-injectables/) [Ophthalmics](https://www.siegfried.ch/offering/drug-products/ophthalmics/) [Inhalation products](https://www.siegfried.ch/offering/drug-products/inhalatives/) [Viral vectors](https://dinamiqs.com/) [Technologies](https://www.siegfried.ch/technologies/) [Sustainability](https://www.siegfried.ch/sustainability/) Sustainability [People](https://www.siegfried.ch/sustainability/people/) [Environment](https://www.siegfried.ch/sustainability/environment/environment/) [Integrity](https://www.siegfried.ch/sustainability/integrity/) [Quality](https://www.siegfried.ch/sustainability/quality/) [Community engagement](https://siegfried.ch/sustainability/community-engagement/) [Risk management](https://www.siegfried.ch/sustainability/risk-management/) [Insights](https://content.siegfried.ch/insights) [![](https://content.siegfried.ch/hubfs/siegfried-logo.svg)](https://www.siegfried.ch/) What are you looking for? 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