# An Optional Investigation of Biomarkers of Efficacy

> **NCT01949415** · — · COMPLETED · sponsor: **Circassia Limited** · enrollment: 105 (estimated)

## Conditions studied

- Rhinoconjunctivitis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01949415
- **Lead sponsor:** Circassia Limited
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2013-09
- **Primary completion:** 2014-04
- **Final completion:** 2014-04
- **Target enrollment:** 105 (ESTIMATED)
- **Last updated:** 2014-05-21

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01949415

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01949415, "An Optional Investigation of Biomarkers of Efficacy". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT01949415. Licensed CC0.

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