# The Drug Ontology (DRON)

> We built this ontology primarily to support comparative effectiveness researchers studying...

- Page: https://library.schematica.io/model/944e16c0956d4644b9f7b6a797de97c2
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: OWL
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/DRON
- Contact: William Hogan (hoganwr@gmail.com)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | DRON |
| Description | We built this ontology primarily to support comparative effectiveness researchers studying claims data. They need to be able to query U.S. National Drug Codes (NDCs) by ingredient, mechanism of action (beta-adrenergic blockade), physiological effect (diuresis), and therapeutic intent (anti-hypertensive). |
| Format | OWL |
| Categories | Health, Human |
| Groups | OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 747,494 |
| Individuals | 27 |
| Properties | 127 |
| Max Depth | 26 |
| Max Child Count | 0 |
| Average Child Count | 0 |
| Classes With One Child | 0 |
| Classes With More Than 25 Children | 0 |
| Classes With No Definition | 741,215 |

## Projects using DRON

No projects using DRON

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Source: https://library.schematica.io/model/944e16c0956d4644b9f7b6a797de97c2