# aHUS Observational Long Term Follow-Up

> **NCT01522170** · — · TERMINATED · sponsor: **Alexion Pharmaceuticals, Inc.** · enrollment: 94 (actual)

## Conditions studied

- Atypical Hemolytic Uremic Syndrome

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01522170
- **Lead sponsor:** Alexion Pharmaceuticals, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2012-03
- **Primary completion:** 2017-01
- **Final completion:** 2017-01
- **Target enrollment:** 94 (ACTUAL)
- **Why stopped:** Remaining patients were offered a similar observational study (Alexion M11-001) to allow for robust, high quality data collection in a larger, single database
- **Last updated:** 2017-02-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01522170

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01522170, "aHUS Observational Long Term Follow-Up". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT01522170. Licensed CC0.

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