# A Placebo-controlled Study With an Extension Examining the Safety and Efficacy of Alefacept in Psoriatic Arthritis

> **NCT00659412** · PHASE2 · COMPLETED · sponsor: **Astellas Pharma Inc** · enrollment: 185 (actual)

## Conditions studied

- Psoriatic Arthritis

## Interventions

- **DRUG:** Alefacept
- **DRUG:** Methotrexate
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00659412
- **Lead sponsor:** Astellas Pharma Inc
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2003-09
- **Primary completion:** 2005-03
- **Final completion:** 2005-03
- **Target enrollment:** 185 (ACTUAL)
- **Last updated:** 2014-09-18

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00659412

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00659412, "A Placebo-controlled Study With an Extension Examining the Safety and Efficacy of Alefacept in Psoriatic Arthritis". Retrieved via AI Analytics 2026-07-15 from https://api.ai-analytics.org/clinical/NCT00659412. Licensed CC0.

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