# Cause of Unexplained Anaphylaxis

> **NCT00719719** · — · ACTIVE_NOT_RECRUITING · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 115 (actual)

## Conditions studied

- Idiopathic Anaphylaxis
- Drug Anaphylaxis
- Venom Anaphylaxis
- Food Anaphylaxis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00719719
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2008-11-05
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** 115 (ACTUAL)
- **Last updated:** 2026-05-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00719719

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00719719, "Cause of Unexplained Anaphylaxis". Retrieved via AI Analytics 2026-07-13 from https://api.ai-analytics.org/clinical/NCT00719719. Licensed CC0.

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