# Long-term Safety Study of Sublingual Fentanyl Tablets in Cancer Patients

> **NCT00263575** · PHASE3 · COMPLETED · sponsor: **Kyowa Kirin Co., Ltd.** · enrollment: 139 (actual)

## Conditions studied

- Pain
- Cancer

## Interventions

- **DRUG:** EN3267

## Key facts

- **NCT ID:** NCT00263575
- **Lead sponsor:** Kyowa Kirin Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-12
- **Primary completion:** 2008-12
- **Final completion:** 2009-01
- **Target enrollment:** 139 (ACTUAL)
- **Last updated:** 2024-06-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00263575

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00263575, "Long-term Safety Study of Sublingual Fentanyl Tablets in Cancer Patients". Retrieved via AI Analytics 2026-06-10 from https://api.ai-analytics.org/clinical/NCT00263575. Licensed CC0.

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