# Immunotherapy With Depigmented and Polymerized Allergen Extract of Phleum Pratense

> **NCT00501527** · PHASE2 · COMPLETED · sponsor: **Laboratorios Leti, S.L.** · enrollment: 80 (actual)

## Conditions studied

- Rhinitis, Allergic, Seasonal
- Conjunctivitis, Allergic
- Asthma

## Interventions

- **BIOLOGICAL:** Immunotherapy with modified extract of P. pratense pollen
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT00501527
- **Lead sponsor:** Laboratorios Leti, S.L.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-09
- **Primary completion:** 2009-10
- **Final completion:** 2009-10
- **Target enrollment:** 80 (ACTUAL)
- **Last updated:** 2010-12-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00501527

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00501527, "Immunotherapy With Depigmented and Polymerized Allergen Extract of Phleum Pratense". Retrieved via AI Analytics 2026-08-03 from https://api.ai-analytics.org/clinical/NCT00501527. Licensed CC0.

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