A Drug Interaction Study to Evaluate the Pharmacokinetics of ASP015K and Methotrexate in Patients With Rheumatoid Arthritis
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ClinicalTrials.gov Identifier: NCT01754805 |
Recruitment Status :
Completed
First Posted : December 21, 2012
Last Update Posted : June 10, 2019
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Condition or disease | Intervention/treatment | Phase |
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Rheumatoid Arthritis | Drug: peficitinib Drug: methotrexate | Phase 1 |
Patients check in on day -1 and remain confined until all the exit procedures are performed on the morning of day 10. Patients to return for 1 post-treatment follow-up visit on day 13.
Patients receive a single dose of methotrexate on day 1 and day 8 and ASP015K (twice daily) on days 3 through 8 plus the morning of day 9.
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 15 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Other |
Official Title: | A Phase 1b, Open-Label, Single Sequence, Drug Interaction Study to Evaluate the Pharmacokinetics of ASP015K and Methotrexate in Subjects With Rheumatoid Arthritis |
Actual Study Start Date : | January 22, 2010 |
Actual Primary Completion Date : | March 25, 2010 |
Actual Study Completion Date : | March 25, 2010 |

Arm | Intervention/treatment |
---|---|
Experimental: ASP015K and methotrexate
Patients receive a single dose of methotrexate on day 1 and day 8 and ASP015K (twice daily) on days 3 through 8 plus the morning of day 9.
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Drug: peficitinib
oral
Other Name: ASP015K Drug: methotrexate oral |
- Pharmacokinetics of methotrexate (MTX): Area under the concentration-time curve from time of dosing to infinity (AUCinf) [ Time Frame: Days 1 and 8 ]
- Pharmacokinetics of methotrexate (MTX): Maximum concentration (Cmax) [ Time Frame: Days 1 and 8 ]

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Ages Eligible for Study: | 18 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- If female, subject must be at least 2 years post menopausal or is surgically sterile per documentation provided by a medical professional and the subject is not pregnant as documented by a negative serum pregnancy test at Screening and negative urine pregnancy test at check-in
- If male, subject must agree to sexual abstinence and/or to use a highly effective method of birth control during the study period and for 60 days after the last dose of study drug
- Subject must have a clinical diagnosis of Rheumatoid Arthritis (RA) at least 6 months prior to Screening
- Subject must be on a stable 15 - 25 mg dose of methotrexate > 28 days prior to Screening
- If subject is on a non-biologic disease modifying anti-rheumatic drug (DMARDs) therapy, the dose must be stable > 28 days prior to Screening
- Subject must be willing and able to comply with the study requirements
Exclusion Criteria:
- Subject has a previous history of any clinically significant neurological, gastrointestinal, renal, hepatic, pulmonary, metabolic, cardiovascular, psychiatric, endocrine, hematological disorder or disease, or any other medical condition that would preclude participation in the study
- Subject has a known history of positive test for hepatitis B surface antigen (HbsAg) or hepatitis C antibody or history of a positive test for human immunodeficiency virus (HIV) infection
- Subject has received live virus vaccination within the last 30 days prior to study drug administration
- Subject has a Body Mass Index (BMI) > 35 (kg/m2)
- Subject is on biologic disease modifying anti-rheumatic drug (DMARDs) therapy
- Subject has a current history of anemia as defined by hemoglobin of less than 12 g/dL
- Subject has a recent history (within the last 6 months) of drug or alcohol abuse or a positive urine screen for alcohol or drugs of abuse/illegal drugs at Screening or check-in
- Subject has received any investigational agent within 30 days of screening

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01754805
United States, Alabama | |
Anniston, Alabama, United States, 36207 |
Study Chair: | Central Contact | Astellas Pharma Global Development |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Astellas Pharma Inc |
ClinicalTrials.gov Identifier: | NCT01754805 |
Other Study ID Numbers: |
015K-CL-PK13 |
First Posted: | December 21, 2012 Key Record Dates |
Last Update Posted: | June 10, 2019 |
Last Verified: | June 2019 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Plan Description: | Access to anonymized individual participant level data will not be provided for this trial as it meets one or more of the exceptions described on www.clinicalstudydatarequest.com under "Sponsor Specific Details for Astellas." |
ASP015K Rheumatoid Arthritis |
Arthritis Arthritis, Rheumatoid Joint Diseases Musculoskeletal Diseases Rheumatic Diseases Connective Tissue Diseases Autoimmune Diseases Immune System Diseases Methotrexate Peficitinib Abortifacient Agents, Nonsteroidal Abortifacient Agents Reproductive Control Agents |
Physiological Effects of Drugs Antimetabolites, Antineoplastic Antimetabolites Molecular Mechanisms of Pharmacological Action Antineoplastic Agents Dermatologic Agents Enzyme Inhibitors Folic Acid Antagonists Immunosuppressive Agents Immunologic Factors Antirheumatic Agents Nucleic Acid Synthesis Inhibitors |