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This study is designed to observed prospectively the efficacy and safety of 6 months treatment of iguratimod alone, or with methotrexate (MTX), hydroxychloroquine (HCQ) and prednisone step by step on Chinese rheumatoid arthritis (RA) and early rheumatoid arthritis (ERA) patients who were naïve or shown insufficiency response or intolerance to DMARDs. If volunteered, patients who completed the 6-month study can continue to follow our plans for 24 months.
This study will enroll 200 cases of rheumatoid arthritis (RA) and early rheumatoid arthritis (ERA) patients in China, who are naïve or shown insufficiency response or intolerance to DMARDs. The participants plan to be treated with iguratimod alone, or along with methotrexate (MTX)/ hydroxychloroquine (HCQ) / prednisone (Pred) step by step for 6 months if participants are in medium or high disease activity (DAS28≥3.2). Participants can choose to continue the study up to 24 months.The efficacy and safety of 6 months and 24 months Iguratimod treatment in RA and ERA patients will be evaluated with DAS28-ESR and other disease activity indices.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Iguratimod | Experimental | The participants plan to be treated with iguratimod alone, or along with methotrexate (MTX), hydroxychloroquine (HCQ) , prednisone (Pred) step by step |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Iguratimod | Drug | Iguratimod tablet，25mg, po, twice per day (Bid) prescribed at the beginning and adjusted due to patient response. Then may titer down until the endpoint. |
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| Measure | Description | Time Frame |
|---|---|---|
| The percentage of patients who achieve clinical remission at week 24 using European League Against Rheumatism (EULAR) response criteria DAS28 | The percentage of patients whose Disease Activity Score in 28 Joints (DAS28) achieve remission（DAS28-ESR≤ 2.6）and Low Disease Activity (DAS28-ESR ≤ 3.2). The DAS28 is a composite score derived from 4 of these measures，that is the count of tender joint count（TJC, 0-28）and swollen joint count（SJC, 0-28）, measure erythrocyte sedimentation rate (ESR, mm/h) or C reactive protein (CRP, mg/L) and to make a patient assessment of disease activity i.e. 'global assessment of health' (GH) using a 100 mm visual analogue scale (VAS) with 0 = best, 100 = worst. DAS28 values were calculated as follows: DAS28- ESR = 0.56√(TJC) + 0.28√(SJC) + 0.70 ln ESR + 0.014 x GH. High disease activity: DAS28-ESR > 5.1; Moderate disease activity: 5.1≥ DAS28 > 3.2 to 5.1; Low disease activity (LDA) and Remission mean Clinical remission. | week 24 |
| Measure | Description | Time Frame |
|---|---|---|
| The percentage of patients who achieve clinical remission using DAS28-ESR at week 12 | The percentage of patients whose DAS28 achieve remission（DAS28-ESR≤ 2.6）and Low Disease Activity (DAS28-ESR ≤ 3.2) at week 12. | week 12 |
| The percentage of patients who achieve clinical remission using DAS28-ESR at week 48 |
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Inclusion Criteria: -
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ming Lv, Dr. | Qilu Hospital of Shandong University | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Qilu Hospital | Jinan | Shandong | 250012 | 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 |
|---|---|
| C519076 | iguratimod |
| C077313 | T 614 |
| D008727 | Methotrexate |
| D006886 | Hydroxychloroquine |
| C036266 | prednylidene |
| D011241 | Prednisone |
| ID | Term |
|---|---|
| D000630 | Aminopterin |
| D011622 | Pterins |
| D011621 | Pteridines |
| D006574 | Heterocyclic Compounds, 2-Ring |
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Drug: Iguratimod（T-614），25mg, po, twice per day (Bid) prescribed at the beginning and adjusted due to patient response. Then may titer down until the endpoint.
Drug: Methotrexate （MTX），7.5mg to 15mg, po, once per week (Qw) prescribed if needed and adjusted due to patient response or unacceptable toxicity develops.
Drug: Hydroxychloroquine （HCQ），200mg, po, twice per day (Bid) prescribed if needed and adjusted due to patient response.
Drug: Prednisone （Pred）： 5-15mg, po, once per day (Qd) prescribed if needed and adjusted due to patient response
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|
| MTX | Drug | MTX，7.5mg to 15mg, po, once per week (Qw) prescribed if needed and adjusted due to patient response or unacceptable toxicity develops. |
|
|
| HCQ | Drug | HCQ，200mg, po, twice per day (Bid) prescribed if needed and adjusted due to patient response. |
|
|
| Pred | Drug | Pred, 5-15mg, po, once per day (Qd) prescribed if needed and adjusted due to patient response |
|
|
The percentage of patients whose DAS28 achieve remission（DAS28-ESR≤ 2.6）and Low Disease Activity (DAS28-ESR ≤ 3.2) at week 12.response states were classified as follows: good responders were patients with an improvement from baseline (△DAS28-ESR) of > 1.2 and a DAS28-ESR at week 12 ≤ 3.2. Moderate responders: △DAS28 > 1.2 and still DAS28 > 3.2 at week 12, or 1.2 ≥△DAS28 > 0.6 and DAS28 ≤ 5.1 at week 12. Nonresponders：△DAS28 ≤0.6 or DAS28 >5.1 at week 12. DAS28-defined remission was classified as a score of <2.6. |
| week 48 |
| The percentage of patients who achieve clinical remission using DAS28-ESR at week 96 | The percentage of patients whose DAS28 achieve remission（DAS28-ESR≤ 2.6）and Low Disease Activity (DAS28-ESR ≤ 3.2) at week 12Nonresponders：△DAS28 ≤0.6，or DAS28 >5.1 at week 24. DAS28-defined remission was classified as a score of <2.6. | week 96 |
| Percentage of Disease Activity Score 28 (DAS28) -ESR Criteria Responders at week 12 | △DAS28 indicates the decline of DAS28-ESR from the baseline to week 12. EULAR response states were classified as follows: good responders were patients with an improvement from baseline (△DAS28-ESR) of > 1.2 and a DAS28-ESR at week 12 ≤ 3.2. Moderate responders: △DAS28 > 1.2 and still DAS28 > 3.2 at week 12, or 1.2 ≥△DAS28 > 0.6 and DAS28 ≤ 5.1 at week 12. Nonresponders：△DAS28 ≤0.6 or DAS28 >5.1 at week 12. DAS28-defined remission was classified as a score of <2.6. | week 12 |
| Percentage of Disease Activity Score 28 (DAS28)-ESR Criteria Responders at week 24 | EULAR response states were classified as follows: DAS28-ESR Good responders: △DAS28 > 1.2 and DAS28 ≤3.2 at week 24. Moderate responders：△DAS28 > 1.2 and still DAS28 > 3.2 at week 24; or 1.2 ≥△DAS28 > 0.6 and DAS28 ≤ 5.1 at week 24. Nonresponders：△DAS28 ≤0.6，or DAS28 >5.1 at week 24. DAS28-defined remission was classified as a score of <2.6. | week 24 |
| Percentage of Disease Activity Score 28 (DAS28)-ESR Criteria Responders at week 48 | EULAR response states were classified as follows: DAS28-ESR Good responders: △DAS28 > 1.2 and DAS28 ≤3.2 at week 24. Moderate responders：△DAS28 > 1.2 and still DAS28 > 3.2 at week 24; or 1.2 ≥△DAS28 > 0.6 and DAS28 ≤ 5.1 at week 24. Nonresponders：△DAS28 ≤0.6，or DAS28 >5.1 at week 24. DAS28-defined remission was classified as a score of <2.6. | week 48 |
| Percentage of Disease Activity Score 28 (DAS28)-ESR Criteria Responders at week 96 | EULAR response states were classified as follows: DAS28-ESR Good responders: △DAS28 > 1.2 and DAS28 ≤3.2 at week 24. Moderate responders：△DAS28 > 1.2 and still DAS28 > 3.2 at week 24; or 1.2 ≥△DAS28 > 0.6 and DAS28 ≤ 5.1 at week 24. Nonresponders：△DAS28 ≤0.6，or DAS28 >5.1 at week 24. DAS28-defined remission was classified as a score of <2.6. | week 96 |
| Percentage of participants achieving ACR/EULAR remission at week 12 | If all of the following 4 parameters are fulfilled, it is defined as remission: TJC ≤ 1, SJC ≤ 1, CRP ≤ 1 mg/dL, Patient global assessment（PGA） ≤ 1 cm (on a visual analog scale ranging from 0-10 cm, with higher scores indicating severe disease). | week 12 |
| Percentage of participants achieving ACR/EULAR remission at week 24 | If all of the following 4 parameters are fulfilled, it is defined as remission: TJC ≤ 1, SJC ≤ 1, CRP ≤ 1 mg/dL, Patient global assessment（PGA） ≤ 1 cm (on a visual analog scale ranging from 0-10 cm, with higher scores indicating severe disease). | week 24 |
| Percentage of participants achieving ACR/EULAR remission at week 48 | If all of the following 4 parameters are fulfilled, it is defined as remission: TJC ≤ 1, SJC ≤ 1, CRP ≤ 1 mg/dL, Patient global assessment（PGA） ≤ 1 cm (on a visual analog scale ranging from 0-10 cm, with higher scores indicating severe disease). | week 48 |
| Percentage of participants achieving ACR/EULAR remission at week 96 | If all of the following 4 parameters are fulfilled, it is defined as remission: TJC ≤ 1, SJC ≤ 1, CRP ≤ 1 mg/dL, Patient global assessment（PGA） ≤ 1 cm (on a visual analog scale ranging from 0-10 cm, with higher scores indicating severe disease). | week 96 |
| Percentage of American College of Rheumatology [ACR] 20 Criteria Responders every 3 months | Percentage of American College of Rheumatology [ACR] 20 Criteria Responders every 3 months | Up to week 96 |
| Change from baseline Simplified Disease Activity Index (SDAI) | The SDAI is a composite score derived from these measures，that is the count of tender joint count（TJC, 0-28）, swollen joint count（SJC, 0-28）, C-reactive protein (CRP, mg/L), Patient global assessment（PGA）and physician global assessment（PHGA）, each of the last two was assessed on a visual analog scale ranging from 0-10 cm, with higher scores indicating severe disease. SDAI score will be calculated with formula SDAI = TJC + SJC + PGA+PHGA+ CRP. SDAI score exceeding 26 is considered high disease activity; 11 \ | Up to week 96 |
| Change from baseline Clinical Disease Activity Index (CDAI) | CDAI is a composite score derived from these measures，that is the count of tender joint count（TJC, 0-28）, swollen joint count（SJC, 0-28）, Patient global assessment（PGA）and physician global assessment（PHGA）, each of the last two was CDAI score will be calculated with formula CDAI = TJC + SJC + PGA + PHGA. CDAI > 22 is considered high disease activity; 10 \ | Up to week 96 |
| Change From Baseline in C-reactive Protein (CRP) | Change from Baseline in C-reactive Protein (CRP), a component index of ACR20 and SDAI, CRP will be measured with blood samples. | Up to week 96 |
| Change From Baseline in Erythrocyte Sedimentation Rate (ESR) | Change from Baseline in ESR, that is a component index of ACR20, DAS28-ESR and SDAI, ESR will be measured with blood samples. | Up to week 96 |
| Change from baseline Health Assessment Questionnaire Disability Index (HAQ-DI) | Change from Baseline in HAQ-DI, a participant assessed measure of health assessment, shaveing eight dimensions of functional activity: pruning, dressing, rising, eating, walking, personal hygiene, reach, grip, and other routine activities. Each item on a single scale has 4 degrees ranging from 0 (no functional difficulty) to 3 (unable to do), with higher scores indicating severe disease. | Up to week 96 |
| Incidence of participant withdrawal | Percentage of participants who withdraw from this study. | Up to week 96 |
| Number of participants with"adverse events (AEs)" | An AE is any untoward medical occurrence in a subject, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. Number of participants with"adverse events (AEs)"i.e. physical exam abnormalities，vital sign abnormalities，laboratory value abnormalities，symptom or disease (new or exacerbated) temporally associated with the use of a medicinal product. | Up to week 96 |
| D003240 |
| Connective Tissue Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |
| D000072471 |
| Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
| D002738 | Chloroquine |
| D000634 | Aminoquinolines |
| D011804 | Quinolines |
| D011244 | Pregnadienediols |
| D011245 | Pregnadienes |
| D011278 | Pregnanes |
| D013256 | Steroids |
| D000072473 | Fused-Ring Compounds |
| D011083 | Polycyclic Compounds |