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Rheumatoid Arthritis (RA)Phase 3NCT03660059

A Study to Assess Safety and Efficacy of ASP015K in Participants With Rheumatoid Arthritis (RA) Who Had an Inadequate Response or Intolerance to Methotrexate (MTX)

A Phase 3 study testing Peficitinib, Plaebo and Disease-modifying antirheumatic drugs (DMARDs) in people with Rheumatoid Arthritis (RA), run by Astellas Pharma China, Inc. at 43 sites in 3 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to verify the superiority of ASP015K in combination with MTX or with other disease-modifying antirheumatic drugs (DMARDs) over placebo in terms of efficacy in participants with rheumatoid arthritis (RA) who had an inadequate response or intolerance to MTX, as measured by the American… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Rheumatoid Arthritis (RA)
What is being tested?
Peficitinib, Plaebo and Disease-modifying antirheumatic drugs (DMARDs)
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
385 participants
Where
43 sitesin 3 countries
Study dates
27 Sep 2018to 2 Nov 2021
Phase
Phase 3
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Subject is a man or woman and considered to be an adult, according to the local legal definition, at the time of informed consent.
  • Subject has RA diagnosed according to the 1987 American College of Rheumatology (ACR) criteria or the 2010 American College of Rheumatology/European League against Rheumatism (ACR/EULAR) criteria.
  • Subject did not receive the following drugs, or received the drugs with stable dosage for at least 28 days prior to the baseline (start of treatment) for RA treatment: Non-steroidal anti-inflammatory drugs (NSAIDs; excluding topical formulations), oral morphine or equivalent opioid analgesics (≤ 30 mg/day), acetaminophen, or oral corticosteroids (≤ 10 mg/day in prednisolone equivalent).
  • Subject has active RA as evidenced by both of the following:
  • ≥ 6 tender/painful joints (using 68-joint assessment)
  • ≥ 6 swollen joints (using 66-joint assessment)
Show all 19Show fewer
  • Subject has CRP > 0.50 mg/dL. The re-test of CRP will be allowed, if the subject's CRP value at the time of screening test is more than 0.30 mg/dL and also his/her most recent CRP value which was carried out up to 90 days before the date of screening test was more than 0.5 mg/dL.
  • Subject meets the ACR 1991 Revised Criteria for the Classification of Global Functional Status in RA Class I, II, or III.
  • Subject has inadequate response or intolerance for MTX.
  • For inadequate responder to MTX, subject has had regular use of MTX for at least 90 days prior to screening at a dose that, in accordance with local clinical practice, is considered acceptable to adequately assess clinical response. The dose of MTX must have been a stable, unchanging oral dose of 7.5 to 20 mg/week (or the equivalent injectable dose) for at least the 28 days prior to screening. Subject is able to continue stable dose of MTX from at least 28 days prior to screening until the end of the administration period of study drug.
  • For subject who is intolerant of MTX, subject has had regular use of the following DMARDs, and when the following DMARDs are concomitantly administered to subject, the drugs must be administered for at least 90 days prior to screening, and must be stable from at least 28 days prior to screening until the end of the administration period of study drug.
  • Hydroxychloroquine
  • Salazosulfapyridine
  • Gold
  • D-penicillamine
  • Lobenzarit
  • Actarit
  • Bucillamine
  • Iguratimod

Who cannot join

  • Subject has received a biologic DMARD within the specified period:
  • Anakinra: within 28 days prior to baseline
  • Etanercept: within 28 days prior to baseline
  • Adalimumab, infliximab: within 56 days prior to baseline
  • Golimumab, certolizumab pegol: within 70 days prior to baseline
  • Abatacept, tocilizumab: within 84 days prior to baseline
Show all 60Show fewer
  • Denosumab: within 150 days prior to baseline
  • Rituximab: within 180 days prior to baseline
  • Subject has inadequate response to at least 3 biologic DMARDs.
  • Subject has received a non-biologic DMARD listed below or other drugs used in the treatment of RA within 28 days prior to baseline. Leflunomide is prohibited within 90 days prior to baseline. Alternatively, leflunomide is prohibited at least 28 days prior to baseline if washout with cholestyramine for at least 17 days is completed within 28 days prior to baseline. However, topical drugs other than those for the treatment of RA may be used concomitantly.
  • Leflunomide
  • Tacrolimus
  • Cyclosporine
  • Cyclophosphamide
  • Azathioprine
  • Minocycline
  • Mizoribine
  • Subject has received Chinese herbal medicines listed below or other herbal drugs used in the treatment of RA within 28 days prior to baseline.
  • Tripterygium wilfordii
  • Total glucosides of paeony
  • Tsuduranine
  • Subject has received tofacitinib, baricitinib or other JAK inhibitor (including other investigational drugs).
  • Subject has received intra-articular, intravenous, intramuscular, or endorectal (including suppositories for anal diseases) corticosteroid within 28 days prior to baseline.
  • Subject has participated in any study of ASP015K and has received ASP015K or placebo.
  • Subject has received other investigational drugs within 90 days or within 5 half-lives, whichever is longer, prior to baseline.
  • Subject has received plasma exchange therapy within 60 days prior to baseline.
  • Subject has undergone joint drainage, has received local anesthesia and nerve block, or has received articular cartilage protectant (such as glucosamine sulfate, chondroitin sulfate these DMORD medicine) at the assessed joint within 28 days prior to baseline.
  • Subject has undergone surgery and has residual effects in the assessed joints or is scheduled to undergo surgery that may affect the study evaluation of the assessed joints.
  • Subject is diagnosed as inflammatory arthritis (psoriatic arthritis, ankylosing spondylitis, SLE, sarcoidosis, etc.) other than RA.
  • Subject has any of the following laboratory values:
  • Hemoglobin < 9.0 g/dL
  • Absolute neutrophil count < 1000/μL
  • Absolute lymphocyte count < 800/μL
  • Platelet count < 75000/μL
  • Alanine aminotransferase (ALT) ≥ 2 × upper limit of normal (ULN)
  • Aspartate aminotransferase (AST) ≥ 2 × ULN
  • Total bilirubin (TBL) ≥ 1.5 × ULN
  • Estimated glomerular filtration rate (eGFR) ≤ 40 mL/min as measured by the MDRD method
  • β-D-glucan > ULN
  • Subject has a history of or concurrent active tuberculosis (TB). Eligibility criteria for TB are tabulated below:
  • Subject meets any of the following in terms of infection except for TB:
  • History of or concurrent severe herpes zoster (associated with Hunt syndrome or having ulcerative lesions) or disseminated herpes zoster
  • History of multiple recurrences (at least twice) of localized herpes zoster
  • Serious infection requiring hospitalization within 90 days prior to baseline
  • Subject has received intravenous antibiotics within 90 days prior to baseline. (However, prophylactic antibiotics are allowed.)
  • Subject with high risk of infection (e.g., subject with urinary catheter)
  • Subject has a history of or concurrent interstitial pneumonia and inappropriate to participate in this study.
  • Subject has a history of or concurrent malignant tumor (except for successfully treated basal cell carcinoma).
  • Subject has received live or live attenuated virus vaccination within 56 days prior to baseline. (Inactivated vaccines including influenza and pneumococcal vaccines are allowed.)
  • Subject has any ongoing severe, progressive, or uncontrolled renal, hepatic, hematological, gastrointestinal, metabolic, endocrine, pulmonary, cardiac, neurological, infectious, or autoimmune disease except for RA (excluding Sjogren's syndrome and chronic thyroiditis), or any ongoing illness which would make the subject unsuitable for the study.
  • Subject has a history of clinically significant allergy. (Clinically significant allergy includes allergies such as systemic urticaria induced by specific antigens and drugs, anaphylaxis, and allergy associated with shock necessitating hospitalized treatment.)
  • Subject has received medications that are CYP3A substrates with narrow therapeutic range within 14 days prior to baseline. These medications include: dihydroergotamine, ergotamine, fentanyl, pimozide, quinidine, temsirolimus, and disopyramide.
  • Subject has concurrent cardiac failure, defined as New York Heart Association (NYHA) classification Class III or higher, or a history of it.
  • Subject has concurrent prolonged QT syndrome or a history of it. Subject has prolonged QT interval (defined as QTc ≥ 500 msec. Subject has QTc ≥ 500 msec at retest will be excluded).
  • Subject has congenital short QT syndrome or a history of it. Subject has shortened QT interval (defined as QTc < 330 msec. Subject has QTc < 330 msec at retest will be excluded).
  • Subject has a history of positive HIV infection.
  • Female subject is pregnant or might be pregnant, is nursing, wishes to conceive for a period running from the time informed consent is given within 60 days after end of treatment, or for whom the possibility of pregnancy cannot be ruled out as a result of the serum pregnancy test given at the time of screening.
  • Male subject cannot practice at least 2 types of contraception from the time of informed consent to 90 days after end of treatment, or subject is a woman with childbearing potential who cannot practice at least 2 types of contraception from the time of informed consent to 60 days after end of treatment.
  • Male subject does not agree not to donate sperm starting at informed consent and through the treatment period and for at least 90 days after final study drug administration. Female subject who do not agree not to donate ova starting at informed consent through the treatment period and for 60 days after final study drug administration.
  • Subject has a history or complication of lymphatic diseases such as lymphoproliferative disorder, lymphoma, and leukemia.

Trial locations and contacts

43 sites in 3 countries.

43 sites in 3 countries

China33 sites
  • Site CN00048

    Anhui

  • Site CN00045

    Beijing

  • Site CN00054

    Beijing

  • Site CN00050

    Bengbu

  • Site CN00061

    Changchun

  • Site CN00032

    Changsha

  • Site CN00076

    Chenzhou

  • Site CN00071

    Guangdong

  • Site CN00016

    Guangzhou

  • Site CN00052

    Guangzhou

  • Site CN00063

    Guangzhou

  • Site CN00072

    Guangzhou

  • Site CN00058

    Inner Mongolia

  • Site CN00074

    Jieyang

  • Site CN00028

    Jilin City

  • Site CN00069

    Jining

  • Site CN00064

    Jiujiang

  • Site CN00046

    Kunming

  • Site CN00060

    Nanjing

  • Site CN00070

    Nanjing

  • Site CN00068

    Ningbo

  • Site CN00075

    Pingxiang

  • Site CN00066

    Qingdao

  • Site CN00056

    Shanghai

  • Site CN00047

    Shantou

  • Site CN00053

    Sichuan

  • Site CN00057

    Tianjin

  • Site CN00062

    Tianjin

  • Site CN00059

    Wuhan

  • Site CN00067

    Xining

  • Site CN00065

    Xuzhou

  • Site CN00073

    Zhengzhou

  • Site CN00049

    Zhuzhou

Other trials in China

South Korea5 sites
  • Site KR00037

    Gwangju

  • Site KR00036

    Incheon

  • Site KR00033

    Seoul

  • Site KR00034

    Seoul

  • Site KR00035

    Seoul

Other trials in South Korea

Taiwan5 sites
  • Site TW00022

    Taichung

  • Site TW00023

    Taichung

  • Site TW00024

    Taichung

  • Site TW00025

    Taipei

  • Site TW00026

    Taipei

Other trials in Taiwan

About this study

Official title: A Randomized, Double-Blind, Placebo-Controlled Confirmatory Study of the Safety and Efficacy of ASP015K in Patients With Rheumatoid Arthritis (RA) Who Had an Inadequate Response or Intolerance to MTX

The purpose of this study is to verify the superiority of ASP015K in combination with MTX or with other disease-modifying antirheumatic drugs (DMARDs) over placebo in terms of efficacy in participants with rheumatoid arthritis (RA) who had an inadequate response or intolerance to MTX, as measured by the American College of Rheumatology (ACR) 20 response rate at Week 24.

This study will also evaluate the pharmacokinetics and safety of ASP015K as well as efficacy and safety of long-term treatment with ASP015K (52 weeks).

Read the detailed description

Participants will be randomized in a 1:1:1 ratio to the ASP015K dose-A group, ASP015K dose-B group or placebo group at Week 0.

Being tested
Peficitinib, Plaebo, Disease-modifying antirheumatic drugs (DMARDs)
Keywords
rheumatoid arthritis (RA), efficacy, ASP015K, Peficitinib, safety
Medical subject headings
Arthritis, Rheumatoid

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • PeficitinibDrug

    Also called ASP015K

    Oral

  • PlaeboDrug

    Oral

  • Disease-modifying antirheumatic drugs (DMARDs)Drug

    As necessary concomitant medications, DMARDs listed below will be administered orally unless specified.

    For subjects who are inadequate responders to methotrexate (MTX): MTX. For subjects who are intolerant of MTX: either of DMARDs listed; hydroxychloroquine, salazosulfapyridine, gold (injection or oral), D-penicillamine, lobenzarit, actarit, bucillamine and iguratimod.

Study groups in NCT03660059
Study groupRoleWhat they receive
ASP015K 100 mgExperimentalParticipants will receive 100 milligrams (mg) of ASP015K once daily after breakfast for 52 weeks.
Receives: Drug: Peficitinib; Drug: Disease-modifying antirheumatic drugs (DMARDs)
ASP015K 150 mgExperimentalParticipants will receive 150 mg of ASP015K once daily after breakfast for 52 weeks.
Receives: Drug: Peficitinib; Drug: Disease-modifying antirheumatic drugs (DMARDs)
Placebo/ASP015KPlacebo comparatorParticipants will receive placebo for 24 weeks, then either 100 mg or 150 mg of ASP015K for 28 weeks as determined randomly at Week 0 in advance.
Receives: Drug: Peficitinib; Drug: Plaebo; Drug: Disease-modifying antirheumatic drugs (DMARDs)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. American College of Rheumatology (ACR)20 response rate at Week 24

    The ACR20 response requires that all criteria from (1) to (3) be met compared with Week 0 (baseline); (1), Tender Joint Count (TJC) >= 20% reduction; (2), Swollen Joint Count (SJC) >= 20% reduction;(3) >= 20% improvement in three or more of the following five parameters - [1] subject's assessment of pain, [2] Subject's Global Assessment of Arthritis (SGA), [3] Physician's Global Assessment of Arthritis (PGA), [4] health assessment questionnaire-disability index (HAQ-DI), [5] acute phase reactant (C-reactive protein (CRP) or erythrocyte sedimentation rate (ESR)).

    Measured: At Week 24

Secondary outcomes (33)
  1. ACR20 response rate

    The ACR20 response requires that all criteria from (1) to (3) be met compared with Week 0 (baseline); (1), Tender Joint Count (TJC) >= 20% reduction; (2), Swollen Joint Count (SJC) >= 20% reduction;(3) >= 20% improvement in three or more of the following five parameters - [1] subject's assessment of pain, [2] Subject's Global Assessment of Arthritis (SGA), [3] Physician's Global Assessment of Arthritis (PGA), [4] health assessment questionnaire-disability index (HAQ-DI), [5] acute phase reactant (C-reactive protein (CRP) or erythrocyte sedimentation rate (ESR)).

    Measured: Up to Week 52

  2. ACR50 response rate

    The ACR50 response indicates a 50% improvement in all criteria used in the ACR20 assessment.

    Measured: Up to Week 52

  3. ACR70 response rate

    The ACR70 response indicates a 70% improvement in all criteria used in the ACR70 assessment.

    Measured: Up to Week 52

  4. Change from baseline in disease activity score (DAS) 28-C-reactive protein (CRP) scores

    DAS28-CRP will be calculated using data from TJC (28 joints), SJC (28 joints), CRP and SGA with the formula; DAS28-CRP = 0.56√(TJC) + 0.28√(SJC) + 0.36 ln (CRP + 1) + 0.014 x SGA + 0.96

    Measured: From baseline (Week 0) to Week 52

  5. Change from baseline in DAS28- erythrocyte sedimentation rate (ESR) scores

    DAS28-ESR will be calculated using data from TJC (28 joints), SJC (28 joints), ESR and SGA with the formula; DAS28- ESR = 0.56√(TJC) + 0.28√(SJC) + 0.70 ln ESR + 0.014 x SGA

    Measured: From baseline (Week 0) to Week 52

  6. Change from baseline in Tender Joint Count (TJC) (68 joints)

    The investigator/sub-investigator will examine the participant for tender joints, assessing the 68 joints and confirm the location of each tender joint.

    Measured: From baseline (Week 0) to Week 52

  7. Change from baseline in Swollen Joint Count (SJC) (66 joints)

    The investigator/sub-investigator will examine the participants for swollen joints, assessing the 66 joints, where hip joints are excluded from 68 joints, and confirm the location of the swollen joints.

    Measured: From baseline (Week 0) to Week 52

  8. Percentage of participants achieving DAS28-CRP scores for remission

    Percentage of participants with DAS28 scores less than 2.6.

    Measured: Up to Week 52

  9. Percentage of participants achieving DAS28-ESR scores for remission

    Percentage of participants with DAS28 scores less than 2.6.

    Measured: Up to Week 52

  10. Percentage of participants achieving low disease activity by DAS28-CRP

    DAS28 score exceeding 5.1 is considered high disease activity; 3.2 to 5.1, moderate disease activity; less than 3.2, low disease activity.

    Measured: Up to Week 52

  11. Percentage of participants achieving low disease activity by DAS28-ESR

    DAS28 score exceeding 5.1 is considered high disease activity; 3.2 to 5.1, moderate disease activity; less than 3.2, low disease activity.

    Measured: Up to Week 52

  12. Change from baseline in CRP

    CRP will be measured with blood samples.

    Measured: From baseline (Week 0) to Week 52

  13. Change from baseline in ESR

    ESR will be measured with blood samples.

    Measured: From baseline (Week 0) to Week 52

  14. Percentage of participants with good European League Against Rheumatism (EULAR) response

    Based on DAS28 scores and changes in DAS28 scores before and after treatment with the study drug, EULAR Response Criteria categorize response to treatment as "No response", "Moderate response," or "Good response."

    Measured: Up to Week 52

  15. Percentage of participants with good or moderate EULAR response

    Based on DAS28 scores and changes in DAS28 scores before and after treatment with the study drug, EULAR Response Criteria categorize response to treatment as "No response", "Moderate response," or "Good response."

    Measured: At Week 52

  16. Percentage of participants achieving ACR/EULAR remission

    If all of the following 4 parameters are fulfilled, it is defined as remission: TJC ≤ 1, SJC ≤ 1, CRP ≤ 1 mg/dL, SGA ≤ 1 cm (on a visual analog scale (VAS) of 0 - 100 mm).

    Measured: At Week 52

  17. Percentage of participants achieving Simplified Disease Activity Index (SDAI) remission (SDAI score ≤ 3.3)

    SDAI score will be calculated with formula SDAI = TJC + SJC + SGA + PGA + CRP. SDAI score exceeding 26 is considered high disease activity; exceeding 11 and not greater than 26, moderate disease activity; exceeding 3.3 and not greater than 11, low disease activity.

    Measured: Up to Week 52

  18. Change from baseline in SDAI score

    Change from baseline (Week 0) in SDAI score will be calculated.

    Measured: From baseline (Week 0) to Week 52

  19. Change from baseline in Physician's Global Assessment of Arthritis (PGA) (VAS)

    The investigator/sub-investigator assesses the participant's disease activity on a VAS of 0 - 100 mm on the physician assessment table.

    Measured: From baseline (Week 0) to Week 52

  20. Change from baseline in SGA (VAS)

    The participant assesses his/her own disease activity on a VAS of 0 - 100 mm on the questionnaire form.

    Measured: From baseline (Week 0) to Week 52

  21. Change from baseline in participant's assessment of pain (VAS)

    The participant assesses his/her own pain severity on a VAS of 0 - 100 mm on the questionnaire form.

    Measured: From baseline (Week 0) to Week 52

  22. Incidence of participant withdrawal due to the lack of efficacy

    Number of participants who withdraw from this study due to the lack of efficacy.

    Measured: Up to Week 56

  23. Change from baseline in health assessment questionnaire-disability index (HAQ-DI) score

    The HAQ-DI measure shave eight dimensions of functional activity: pruning, dressing, rising, eating, walking, personal hygiene, reach, grip, and other routine activities. Each item has 4 degrees ranging from 0 to 3. "0" refers to "no functional difficulty", "1" to a bit of functional difficulty, "2" to very much functional difficulty, and "3" to no ability to work. HAQ-DI score 0-1 means mild to moderate functional difficulty; 1-2 means moderate to severe disability; and 2-3 means generally severe disability.

    Measured: From baseline (Week 0) to Week 52

  24. Change from baseline in Short Form Health Survey - 36 questions, version 2 (SF-36v2)® score

    SF-36v2 is a validated instrument used to measure general physical and mental health status via assessment of 8 domains - physical functioning, role physical, bodily pain, general health, vitality, social functioning, role emotional, and mental. The SF-36 is scored using norm-based scoring procedures and scores ranging from 0-100; higher scores represent better health-related quality of life.

    Measured: From baseline (Week 0) to Week 52

  25. Change from baseline in Work Productivity and Activity Impairment Questionnaire (WPAI) score

    WPAI produces four types of scores: absenteeism (work time missed), presenteeism (impairment at work/reduced on-the-job effectiveness), work productivity loss (overall work impairment/absenteeism plus presenteeism), and activity impairment. The WPAI outcomes are expressed as impairment percentages, with higher numbers indicating greater impairment and less productivity, that is, worse outcomes.

    Measured: From baseline (Week 0) to Week 52

  26. Pharmacokinetics (PK) of ASP015K in plasma: post-dose concentration

    Post-dose concentration will be derived from the PK plasma samples collected.

    Measured: 2 hours post-dose at either Week 4 or Week 8

  27. PK of ASP015K in plasma: trough concentration (Ctrough)

    Ctrough will be derived from the PK plasma samples collected.

    Measured: Up to Week 52

  28. Safety assessed by incidence of adverse events (AEs)

    An AE is defined as any untoward medical occurrence after the signing of informed consent form in a participant administered a study drug or who has undergone study procedures and which does not necessarily have a causal relationship with this treatment.

    Measured: Up to Week 56

  29. Number of participants with vital sign abnormalities and/or AEs

    Number of participants with potentially clinically significant vital sign values.

    Measured: Up to Week 56

  30. Number of participants with body weight abnormalities and/or AEs

    Number of participants with potentially clinically significant body weight values.

    Measured: Up to Week 56

  31. Number of participants with 12-lead electrocardiogram (ECG) abnormalities and/or AEs

    Number of participants with potentially clinically significant 12-ECG values.

    Measured: Up to Week 52

  32. Number of participants with central ECG abnormalities and/or AEs

    Number of participants with potentially clinically significant central ECG observations. Central ECG will be measured before and 2 hours after study drug administration.

    Measured: Up to Week 8

  33. Number of participants with chest radiography abnormalities and/or AEs

    Number of participants with potentially clinically significant chest radiography observations.

    Measured: Up to Week 52

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Sep 2018
  2. Study start27 Sep 2018
  3. Primary completion1 Apr 2021
  4. Study completion2 Nov 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
385 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03660059
Sponsor's protocol ID
015K-CL-CNA3
Other IDs
CTR20181199
Status last verified
Oct 2024
First submitted
26 Aug 2018
Last updated
21 Oct 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Access to anonymized individual participant level data collected during the study, in addition to study-related supporting documentation, is planned for studies conducted with approved product indications and formulations, as well as products terminated during development. Studies conducted with product indications or formulations that remain active in development are assessed after study completion to determine if Individual Participant Data can be shared. Further details on Astellas' data sharing policy can be found at https://www.clinicaltrials.astellas.com/transparency/.

Publications

  • Yang Y, Li J, Liu J, Liu L, Wang Y, Hu J, Li Z, Gu J, Zhang X, Xiao Z, Zheng J, Liu L, Li Z, Wei JC. Safety and efficacy of peficitinib in Asian patients with rheumatoid arthritis who had an inadequate response or intolerance to methotrexate: results of a multicenter, randomized, double-blind, placebo-controlled phase 3 study. Lancet Reg Health West Pac. 2023 Oct 18;42:100925. doi: 10.1016/j.lanwpc.2023.100925. eCollection 2024 Jan.

    PubMed 38357391

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Peficitinib, Plaebo and Disease-modifying antirheumatic drugs (DMARDs) in people with Rheumatoid Arthritis (RA), run by Astellas Pharma China, Inc. at 43 sites in 3 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 19 inclusion and 60 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 21 Oct 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 43 sites in China, South Korea, Taiwan. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

American College of Rheumatology (ACR)20 response rate at Week 24 (time frame: At Week 24). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03660059, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 21 Oct 2024.

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