Rheumatoid Arthritis
Conditions
Brief summary
To evaluate the efficacy and safety of TQH3821 in treated patients with moderate-to-severe active rheumatoid arthritis.
Interventions
TQH3821 is a Interleukin-1 Receptor-Associated Kinase 4 (IRAK4) inhibitor.
TQH3821 tablets matching placebo without active substance.
Sponsors
Study design
Eligibility
Inclusion criteria
* Subjects voluntarily participate in this study and sign informed consent; * Male and female, ≥18 years old and ≤70 years old (subject to the date of signing the informed consent); * The diagnosis meets the rheumatoid arthritis (RA) classification criteria jointly established by the American College of Rheumatology (ACR) and the European Alliance against Rheumatism (EULAR) in 2010, for at least 3 months ; * Moderate to severe active RA was defined by the following criteria: joint swelling ≥6 (based on 66 joints), joint tenderness ≥6 (based on 68 joints), Disease activity score 28-C-reactive protein (DAS28-CRP) ≥3.2, and CRP\>10mg/L or erythrocyte sedimentation rate (ESR) \>28mm/h; * At least 12 weeks of treatment with methotrexate (dose 7.5 to 25 mg/ week) and stable dose (7.5 to 25 mg/ week) ≥4 weeks prior to initial administration of the study drug (oral stable dose methotrexate will be continued as background therapy during the trial); * The subjects can attend the study visit on time and complete the visit;
Exclusion criteria
* 8 weeks before baseline examination, subjects underwent joint surgery or received intraarticular glucocorticoid therapy at the joint sites evaluated in this study; * Patients with rheumatoid arthritis with joint functional activity grade Ⅳ or confined to a wheelchair or bed; * Current or previous inflammatory joint diseases other than RA and other autoimmune venereal diseases; * Patients with lung diseases deemed unsuitable for the study by the investigator; * Cardiovascular and cerebrovascular abnormalities; * Abnormal thyroid function; * Subjects with a history or suspected demyelinating disease of the central nervous system; * Have any type of active malignant tumor or have a history of malignant tumor; * Presence of active Mycobacterium tuberculosis (TB) infection or latent TB infection without appropriate treatment; * Have any acute or chronic active infectious disease; * There are serious poorly controlled diseases; * People with active hepatitis, or hepatitis B surface antigen (HBsAg) positive, hepatitis B core antibody (HBcAb) positive + hepatitis B virus (HBV) DNA positive, or hepatitis C virus (HCV) antibody-positive; * History of human immunodeficiency virus (HIV) infection, or positive HIV serological results at screening, and positive antibodies to treponema pallidum during screening; * Subjects who had suffered a severe trauma, fracture, or surgical procedure within 8 weeks prior to screening, or who were expected to require major surgical procedures during the study period; * Female subjects who are pregnant or lactating; * Those who received live attenuated vaccine within 28 days before the start of treatment, inactivated vaccine within 7 days, or planned vaccination during the study period; * The subject has any medical condition that may affect oral drug absorption, gastrectomy or gastrointestinal disease of clinical significance.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| American College of Rheumatology 20 (ACR20) improvement | Evaluated at week 12. | Proportion of patients with ACR20 at week 12. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| American College of Rheumatology 50 (ACR50) improvement | Evaluated at week 4, 8, 12, 18, and 24. | Proportion of patients with ACR20. |
| C-reactive protein (CRP) | Evaluated at week 4, 8, 12, 18, and 24. | Changes in C-reactive protein (CRP) relative to baseline. |
| Erythrocyte sedimentation rate (ESR) | Evaluated at week 4, 8, 12, 18, and 24. | Changes in erythrocyte sedimentation rate (ESR) relative to baseline. |
| 66 joint swelling counts (SJC) | Evaluated at week 4, 8, 12, 18, and 24. | Change in the number of 66 joint swelling relative to baseline. |
| 68 joint tenderness counts (TJC) | Evaluated at week 4, 8, 12, 18, and 24. | Change in the number of 68 joint tenderness numbers (TJC) relative to baseline. |
| Disease activity score 28-C-reactive protein (DAS28-CRP) | Evaluated at week 4, 8, 12, 18, and 24. | Changes in disease activity score DAS28 -CRP relative to baseline. |
| American College of Rheumatology 20 (ACR20) improvement | Evaluated at week 4, 8, 18, and 24. | Proportion of patients with ACR20. |
| Patient's global assessment (PtGA) | Evaluated at week 4, 8, 12, 18, and 24. | PtGA is a questionnaire to evaluate arthritis score by patient's overall assessment, with scores from 0 to 10, where 0 means very good and 10 means very poor. |
| Physician's global assessment (PhGA) | Evaluated at week 4, 8, 12, 18, and 24. | PhGA is a questionnaire to evaluate arthritis score by physician's overall assessment, with scores from 0 to 10, where 0 means very good and 10 means very poor. |
| Health Assessment questionnaire-Disability Index (HAQ-DI) | Evaluated at week 4, 8, 12, 18, and 24. | HAQ-DI is a questionnaire to evaluate quality of life of subjects with scores from 0 to 3, 0 means easy and 3 means very difficult. |
| Incidence of adverse events | Baseline up to 28 weeks. | Incidence of adverse events after administration. |
| Severity of adverse events | Baseline up to 28 weeks. | Severity of adverse events after administration. |
| Patient's visual analogue score (PVAS) | Evaluated at week 4, 8, 12, 18, and 24. | PVAS is a questionnaire to evaluate joint pain in subjects with scores from 0 to 10, where 0 means no pain and 10 means the worst pain. |
Countries
China