# A Drug Interaction Study to Evaluate the Pharmacokinetics of ASP015K and Methotrexate in Patients With Rheumatoid Arthritis

> **NCT01754805** · PHASE1 · COMPLETED · sponsor: **Astellas Pharma Inc** · enrollment: 15 (actual)

## Conditions studied

- Rheumatoid Arthritis

## Interventions

- **DRUG:** peficitinib
- **DRUG:** methotrexate

## Key facts

- **NCT ID:** NCT01754805
- **Lead sponsor:** Astellas Pharma Inc
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2010-01-22
- **Primary completion:** 2010-03-25
- **Final completion:** 2010-03-25
- **Target enrollment:** 15 (ACTUAL)
- **Last updated:** 2024-10-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01754805

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01754805, "A Drug Interaction Study to Evaluate the Pharmacokinetics of ASP015K and Methotrexate in Patients With Rheumatoid Arthritis". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01754805. Licensed CC0.

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