# Real-world Effectiveness of Combination Therapy in Asthma

> **NCT01141465** · — · COMPLETED · sponsor: **Research in Real-Life Ltd** · enrollment: 815377 (actual)

## Conditions studied

- Asthma

## Interventions

- **DRUG:** Fluticasone / formoterol metered dose inhaler
- **DRUG:** Fluticasone / salmeterol dry powder inhaler
- **DRUG:** Budesonide / formoterol dry powder inhaler
- **DRUG:** Fluticasone / salmeterol dry powder inhaler
- **DRUG:** Fluticasone / salmeterol metred dose inhaler
- **DRUG:** BUD/FOR dry powder inhaler

## Key facts

- **NCT ID:** NCT01141465
- **Lead sponsor:** Research in Real-Life Ltd
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2001-01
- **Primary completion:** 2007-06
- **Final completion:** 2010-02
- **Target enrollment:** 815377 (ACTUAL)
- **Last updated:** 2010-06-10

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01141465

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01141465, "Real-world Effectiveness of Combination Therapy in Asthma". Retrieved via AI Analytics 2026-07-18 from https://api.ai-analytics.org/clinical/NCT01141465. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
