> ## Documentation Index
> Fetch the complete documentation index at: https://glossary.micahealth.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Phase 2

A research stage that gathers initial evidence of whether a drug works for people with a specific condition by comparing it to a placebo or other treatment, while continuing to monitor for safety and short-term side effects.

[*Source*](https://clinicaltrials.gov/study-basics/glossary)