---
title: Audiences delivered 26.9x targeting precision for rare kidney disease
description: HealthVerity Audiences achieved 26.9x targeting precision in a rare kidney disease campaign, reaching more diagnosed patients through real clinical activity.
image: https://info.healthverity.com/hubfs/how-healthverity-audiences-delivered-featured.png
---

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###### CASE STUDY

# How HealthVerity Audiences delivered 26.9x targeting precision for a rare kidney disease campaign

For rare disease campaigns, every diagnosed patient matters. This case study shows how building audiences from confirmed clinical activity, rather than limited open claims and modeled proxies, can help you reach more of the patients who matter while improving media efficiency.

### What you'll learn:

- Why traditional audience segments built primarily from open claims can miss a significant share of diagnosed rare disease patients, limiting campaign performance
- How HealthVerity Audiences reached **76% more diagnosed patients** than the next closest provider while delivering the **lowest cost per diagnosed patient reached** and a **26.9x targeting multiple** in a rare kidney disease campaign
- How grounding audience segments in confirmed clinical signals can improve targeting precision for rare disease campaigns where every patient and every media dollar counts

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