# Biological Standarization of Cupressus Arizonica Allergen Extract to Determine the Biological Activity in Histamine Equivalent Units (HEP)

> **NCT02512653** · PHASE2 · COMPLETED · sponsor: **Laboratorios Leti, S.L.** · enrollment: 33 (actual)

## Conditions studied

- Allergy to Tree Pollen

## Interventions

- **BIOLOGICAL:** Cupressus arizonica

## Key facts

- **NCT ID:** NCT02512653
- **Lead sponsor:** Laboratorios Leti, S.L.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-11
- **Primary completion:** 2015-12
- **Final completion:** 2016-01
- **Target enrollment:** 33 (ACTUAL)
- **Last updated:** 2016-06-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02512653

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02512653, "Biological Standarization of Cupressus Arizonica Allergen Extract to Determine the Biological Activity in Histamine Equivalent Units (HEP)". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT02512653. Licensed CC0.

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