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This is a randomized, double-blind, double-dummy, tofacitinib-parallel-group, phase 2A study to assess the safety and efficacy of TLL-018 in active rheumatoid arthritis subject who had an inadequate response or intolerance to methotrexate.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Sequence 1 | Experimental | TLL018 tablets, 1piece,BID |
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| Sequence 2 | Experimental | TLL018 tablets, 2pieces, BID |
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| Sequence 3 | Experimental | TLL018 tablets, 3pieces, BID |
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| Sequence 4 | Active Comparator | TOFA tablets, 1pieces, BID |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| TLL-018 | Drug | Oral tablets administered at dose1 BID daily for 24 weeks. |
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| Measure | Description | Time Frame |
|---|---|---|
| Number of Participants American College of Rheumatology 50% (ACR50) Response at Week 12 | A participant was a responder if the following 3 criteria for improvement from baseline were met:
| Week 12 |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Participants American College of Rheumatology 20% (ACR20) Response | ACR20 response: greater than or equal to (>=) 20 percent (%) improvement in painful and tender joint count; >= 20% improvement in swollen joint count; and >= 20% improvement in at least 3 of 5 remaining ACR core measures: participant assessment of pain; participant global assessment of disease activity; physician global assessment of disease activity; self-assessed disability (disability index of the Health Assessment Questionnaire [HAQ]); and C-Reactive Protein (CRP)at each visit. |
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Inclusion Criteria:
Diagnosed with RA based on either the 1987-revised American College of Rheumatology (ACR) classification criteria or the 2010 ACR/European League against Rheumatism (EULAR) criteria and have an inadequate response or intolerance to methotrexate.
Subjects must have been receiving oral or parenteral methotrexate therapy ≥ 3 months and on a stable prescription of 7.5 to 25 mg/week for at least 4 weeks prior to Baseline Visit.
Have active RA as defined by the following minimum disease activity criteria:
For subjects with inadequate response to methotrexate, subjects must have discontinued all oral disease-modifying anti-rheumatic drugs (DMARDs) prior to Baseline Visit as specified below or for at least five times the mean terminal elimination half-life of a drug, whichever is longer:
The organ function level must meet the following requirements:
Bone marrow: Blood routine results showed hemoglobin ≥90g/L, platelet ≥100×109/L, neutrophil absolute count ≥1.5×109/L; Liver: serum bilirubin ≤1.5 times the upper limit of normal value, aspartate aminotransferase (AST) ≤1.5 times the upper limit of normal value, alanine aminotransferase (ALT) ≤1.5 times the upper limit of normal value; Serum creatinine <1.5 times the upper limit of normal value; Urine protein ≤1+, if urine protein >1+, urine protein should be collected for 24 hours, the total amount should be ≤1 g. Female subjects of childbearing potential must test negative for pregnancy.
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Peking Union Medical College Hospital | Beijing | Beijing Municipality | 100000 | China |
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| ID | Term |
|---|---|
| D001172 | Arthritis, Rheumatoid |
| ID | Term |
|---|---|
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D012216 | Rheumatic Diseases |
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| ID | Term |
|---|---|
| C479163 | tofacitinib |
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| TLL-018 | Drug | Oral tablets administered at dose2 BID daily for 24 weeks. |
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| TLL-018 | Drug | Oral tablets administered at dose3 BID daily for 24 weeks. |
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| Tofacitinib | Drug | Oral tablets administered at 5 mg BID daily for 24 weeks. |
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| Week 4, 8, 12, 16, 20 and 24 |
| Number of Participants Achieving American College of Rheumatology 50% (ACR50) Response | ACR50 response: greater than or equal to (>=) 50 percent (%) improvement in painful and tender joint count; >= 50% improvement in swollen joint count; and >= 50% improvement in at least 3 of 5 remaining ACR core measures: participant assessment of pain; participant global assessment of disease activity; physician global assessment of disease activity; self-assessed disability (disability index of the Health Assessment Questionnaire [HAQ]); and C-Reactive Protein (CRP) at each visit. | Weeks 4, 8, 12, 16, 20 and 24 |
| Number of Participants Achieving American College of Rheumatology 70% (ACR70) Response | ACR70 response: greater than or equal to (>=) 70 percent (%) improvement in painful and tender joint count; >= 70% improvement in swollen joint count; and >= 70% improvement in at least 3 of 5 remaining ACR core measures: participant assessment of pain; participant global assessment of disease activity; physician global assessment of disease activity; self-assessed disability (disability index of the Health Assessment Questionnaire [HAQ]); and C-Reactive Protein (CRP) at each visit. | Weeks 4, 8, 12, 16, 20 and 24 |
| Change From Baseline in Disease Activity Score Based on 28-Joints Count-High-Sensitivity C-reactive Protein (DAS28-hsCRP) | Disease Activity Score (DAS) based on a 28 joint count hsCRP consisted of composite numerical score of following variables: tender joint count (TJC28), swollen joint count (SJC28), hsCRP (mg/mL), and participant's global assessment of disease activity. DAS28-hsCRP was calculated using following formula: DAS28-hsCRP equals to (=) 0.56*square root (sqrt) (TJC28) plus (+) 0.28*sqrt (SJC28) + 0.36*natural log(hsCRP+1) + 0.014*participant's global assessment of disease activity + 0.96. Scores ranged 0-9.4, where lower scores indicated less disease activity. Change = value at observation minus value at baseline. | Weeks 4, 8, 12, 16, 20 and 24 |
| Change From Baseline in Clinical Disease Activity Index (CDAI) | CDAI is calculated as the sum of tender joint count (TJC), swollen joint count (SJC), Patient's Global Assessment of Disease Activity as assessed by Multi-dimensional Health Assessment Questionnaire (MDHAQ) subscore, and Investigator's Global Assessment of Disease Activity - Visual Analog Scale (VAS in cm). 28 joints are examined. The range for the CDAI is 0 - 76 with a negative change in CDAI score indicating an improvement in disease activity and a positive change in score indicating a worsening of disease activity. | Weeks 4, 8, 12, 16, 20 and 24 |
| Changes From Baseline in Health Assessment Questionnaire-Disability Index (HAQ-DI) Total Score | HAQ-DI score was an evaluation of the functional status for a participant. The 20-question instrument assessed the degree of difficulty a person had in accomplishing tasks in 8 functional areas (dressing, arising, eating, walking, hygiene, reaching, gripping, and activities of daily living). Responses in each functional area were scored from 0, indicated no difficulty, to 3, indicated inability to perform a task in that area. Overall score was computed as the sum of domain scores and divided by the number of domains answered. Total possible score range: 0-3 where 0 = least difficulty and 3 = extreme difficulty. | Weeks 4, 8, 12, 16, 20 and 24 |
| Percent Change From Baseline in Participant's Assessment of Pain Based on Visual Analog Scale (VAS) Score | The participants were asked to assess their level of pain by marking a vertical tick on a 100 mm horizontal VAS scale. The scale ranged from 0-100 mm, where 0 indicated no pain and 100 indicated worst possible pain. | Weeks 4, 8, 12, 16, 20 and 24 |
| Change From Baseline in Patient's Global Assessment of Arthritis | Participants answered: "Considering all the ways your arthritis affects you, how are you feeling today?" Participants responded by using a 0 - 100 mm Visual Analog Scale where 0 = very well and 100 = very poorly. Change = score at observation minus score at baseline. | Weeks 4, 8, 12, 16, 20 and 24 |
| Change From Baseline in Physician's Global Assessment of Arthritis | Physician Global Assessment of Disease Activity was measured on a 0 to 100 mm Visual Analog Scale (VAS), with 0 mm = no disease activity; very good and 100 mm = worst disease activity; very poor. Change = score at observation minus score at baseline. | Weeks 4, 8, 12, 16, 20 and 24 |
| D003240 |
| Connective Tissue Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |