# ATHN 8: Previously Untreated Patients (PUPs) Matter Study

> **NCT03818529** · — · COMPLETED · sponsor: **American Thrombosis and Hemostasis Network** · enrollment: 237 (actual)

## Conditions studied

- Hemophilia
- Hemophilia A
- Hemophilia B
- Hemophilia A With Inhibitor
- Hemophilia B With Inhibitor
- Haemophilia B Without Inhibitor
- Haemophilia A Without Inhibitor
- Haemophilia

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03818529
- **Lead sponsor:** American Thrombosis and Hemostasis Network
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-10-03
- **Primary completion:** 2022-01-26
- **Final completion:** 2022-12-31
- **Target enrollment:** 237 (ACTUAL)
- **Last updated:** 2023-02-01

## Collaborators

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- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03818529

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03818529, "ATHN 8: Previously Untreated Patients (PUPs) Matter Study". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT03818529. Licensed CC0.

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