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The purpose of this study is to determine the target dose of phase II and to evaluate the safety, tolerability, pharmacokinetics and efficacy of recombinant anti-IL-1β humanized monoclonal antibody injection at different doses in Chinese participants with acute gout.
The phase Ib study is a multi-center, open label, dose escalation study examining the effect of recombinant anti-IL-1β humanized monoclonal antibody injection and to determine the target dose of phase II for the treatment of acute flare in Chinese gout patients in whom non-steroidal anti-inflammatory drugs (NSAIDs) and/or colchicine are contraindicated, are not tolerated, or do not provide an adequate response. There are 3 dose groups (100 mg、200 mg and 300 mg) in phase Ib and 10 participants in each group.
The phase II study is a dose-ranging, multi-center, randomized, double-blind, double-dummy, active-controlled, parallel-group study examining the effect of 2 dose regimens (200 mg and 300 mg, based on the outcome of phase Ib) of recombinant anti-IL-1β humanized monoclonal antibody injection versus compound betamethasone injection for the treatment of acute flare in Chinese gout patients in whom NSAIDs and/or colchicine are contraindicated, are not tolerated, or do not provide an adequate response. The phase II recommended dose of SSGJ-613 in subjects with acute gouty was determined according to the phase Ib interim analysis results.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| SSGJ-613 100 mg (phase Ib) | Experimental | Dose Arm 1 (phase Ib): SSGJ-613 100 mg subcutaneous (s.c) once. The s.c. injection could be administered into the abdomen or thigh. |
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| SSGJ-613 200 mg (phase Ib) | Experimental | Dose Arm 2 (phase Ib): SSGJ-613 200 mg subcutaneous (s.c) once. The s.c. injection could be administered into the abdomen or thigh. |
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| SSGJ-613 300 mg (phase Ib) | Experimental | Dose Arm 3 (phase Ib): SSGJ-613 300 mg subcutaneous (s.c) once. The s.c. injection could be administered into the abdomen or thigh. |
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| SSGJ-613 200 mg (phase II) | Experimental | Dose Arm 4 (phase II): SSGJ-613 200 mg subcutaneous (s.c) once. The s.c. injection could be administered into the abdomen or thigh. Randomized patients will receive one s.c. injection of SSGJ-613 and placebo matching compound betamethasone injection (0.9% sodium chloride) intramuscularly (i.m.) once, on Day 1. The i.m. injection is recommended to be administered deeply into the gluteal muscle. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Recombinant Anti-IL-1β Humanized Monoclonal Antibody Injection 100 mg (phase Ib) | Drug | 100 mg subcutaneous (s.c) once |
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| Measure | Description | Time Frame |
|---|---|---|
| Phase Ib: Incidence of Adverse Events (AEs) and Serious Adverse Events (SAEs) | To investigate the safety characteristics. | From baseline through 24 weeks |
| Phase Ib: Incidence and Severity of Abnormalities in Vital Signs/Physical Examinations, Laboratory Examinations and Other Relevant Examinations | To investigate the safety characteristics. | From baseline through 24 weeks |
| Phase II: The Change in Pain Intensity in the Target Joint From Baseline to 72 Hours Post Dose as Measured on a 0-100 mm Visual Analog Scale (VAS) | The change in pain intensity from baseline to 72 hours post dose as measured on a 0-100 mm Visual Analog Scale (VAS): 0= no pain and 100= severe pain. Change from baseline = (post-baseline measurement - baseline). | Baseline, at 72 hrs post-dose |
| Measure | Description | Time Frame |
|---|---|---|
| Phase Ib: Pharmacokinetic (PK) Cmax | PK parameters (Cmax) following single dose. | From baseline through 24 weeks |
| Phase Ib: Pharmacokinetic (PK) Tmax | PK parameters (Tmax) following single dose. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Qinghong Zhou, MD | Contact | +86 18911301578 | zhouqinghong@3sbio.com |
| Name | Affiliation | Role |
|---|---|---|
| Hejian Zou, MD | Shanghai Huanshan Hospital Fudan University-Rheumatology | Principal Investigator |
| Qinghong Zhou, MD | Sunshine Guojian Pharmaceutical (Shanghai) Co., Ltd. | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Site 02 | Recruiting | Wuhan | Hubei | 430030 | China |
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| SSGJ-613 300 mg (phase II) |
| Experimental |
Dose Arm 5 (phase II): SSGJ-613 300 mg subcutaneous (s.c) once. The s.c. injection could be administered into the abdomen or thigh. Randomized patients will receive one s.c. injection of SSGJ-613 and placebo matching compound betamethasone injection (0.9% sodium chloride) intramuscularly (i.m.) once, on Day 1. The i.m. injection is recommended to be administered deeply into the gluteal muscle. |
|
| Compound Betamethasone Injection 1 mL (phase II) | Active Comparator | Dose Arm 6 (phase II): Compound betamethasone injection 1 mL intramuscularly (i.m) once. The i.m. injection is recommended to be administered deeply into the gluteal muscle. Randomized patients will receive compound betamethasone injection 1 mL i.m. once and placebo matching SSGJ-613 s.c. once, on Day 1. |
|
| Recombinant Anti-IL-1β Humanized Monoclonal Antibody Injection 200 mg (phase Ib) | Drug | 200 mg subcutaneous (s.c) once |
|
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| Recombinant Anti-IL-1β Humanized Monoclonal Antibody Injection 300 mg (phase Ib) | Drug | 300 mg subcutaneous (s.c) once |
|
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| Recombinant Anti-IL-1β Humanized Monoclonal Antibody Injection 200 mg (phase II) | Drug | one s.c. injection of SSGJ-613 once, on Day 1. |
|
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| Recombinant Anti-IL-1β Humanized Monoclonal Antibody Injection low dose 300 mg (phase II) | Drug | one s.c. injection of SSGJ-613 once, on Day 1. |
|
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| Compound Betamethasone Injection (phase II) | Drug | 1 mL i.m. once on Day 1 |
|
| Placebo (phase II) | Other | Participants will receive Placebo matching SSGJ-613 to maintain the blinding of the Investigational Medicinal Products. |
|
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| From baseline through 24 weeks |
| Phase Ib: Pharmacokinetic (PK) AUC 0-t | PK parameters (AUC 0-t) following single dose. | From baseline through 24 weeks |
| Phase Ib: Pharmacokinetic (PK) AUC 0-∞ | PK parameters (AUC 0-∞) following single dose. | From baseline through 24 weeks |
| Phase Ib: Pharmacokinetic (PK) t1/2 | PK parameters (t1/2) following single dose. | From baseline through 24 weeks |
| Phase Ib: The Pain Intensity in the Target Joint at 6, 12, 24, 48, 72 Hours, 4, 5, 6, 7 Days, and 4, 8, 12, 16, 20, 24 Weeks Post Dose as Measured on a 0-100 mm Visual Analog Scale (VAS) | The pain intensity post dose as measured on a 0-100 mm Visual Analog Scale (VAS): 0= no pain and 100= severe pain. | At 6, 12, 24, 48, 72 Hours, 4, 5, 6, 7 Days, and 4, 8, 12, 16, 20, 24 Weeks post-dose |
| Phase II: The Pain Intensity in the Target Joint at 6, 12, 24, 48, 72 Hours, 4, 5, 6, 7 Days, and 4, 8, 12 Weeks Post Dose as Measured on a 0-100 mm Visual Analog Scale (VAS) | The pain intensity post dose as measured on a 0-100 mm Visual Analog Scale (VAS): 0= no pain and 100= severe pain. | At 6, 12, 24, 48, 72 Hours, 4, 5, 6, 7 Days, and 4, 8, 12 Weeks post-dose |
| The Change in Pain Intensity in the Target Joint From Baseline to 6, 12, 24, 48 Hours Post Dose as Measured on a 0-100 mm Visual Analog Scale (VAS) | The change in pain intensity from baseline to 6, 12, 24, 48 hours post dose as measured on a 0-100 mm Visual Analog Scale (VAS): 0= no pain and 100= severe pain. Change from baseline = (post-baseline measurement - baseline). | Baseline, at 6, 12, 24, 48 hrs post-dose |
| The Time to At Least 50% Reduction of Baseline Pain Intensity in the Target Joint Within 7 Days after study drug administration | The time to at least 50% reduction in Pain intensity from baseline as measured by Visual Analog Scale (VAS) for each treatment group, is estimated using the Kaplan Meier method. Participants scored their pain intensity in the target joint on a 0-100 mm VAS, ranging from no pain (0) to unbearable pain (100). | Baseline, within 7 days after study drug administration |
| The Time to Complete Pain Remission of Baseline Pain Intensity in the Target Joint Within 12 Weeks after study drug administration | The time to complete pain remission in Pain intensity from baseline as measured by a 5-point Likert scale for each treatment group, is estimated using the Kaplan Meier method. Participants scored their pain intensity in the target joint on a 5-point Likert scale: None, mild, moderate, severe, extremely severe. | Baseline, within 12 weeks after study drug administration |
| Percentage of Participants Taking Rescue Medication Within 7 Days After Study Drug Administration | Participants who had difficulty in tolerating their pain after the 12 and 72 hours post-dose pain assessments were allowed to take rescue medication. | 7 days after study drug administration |
| Site 03 | Not yet recruiting | Linyi | Shandong | 276100 | China |
|
| Site 01 | Recruiting | Shanghai | Shanghai Municipality | 200040 | China |
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| ID | Term |
|---|---|
| D017322 | Clinical Trials, Phase II as Topic |
| ID | Term |
|---|---|
| D002986 | Clinical Trials as Topic |
| D000068456 | Clinical Studies as Topic |
| D016020 | Epidemiologic Study Characteristics |
| D004812 | Epidemiologic Methods |
| D008919 | Investigative Techniques |
| D017531 | Health Care Evaluation Mechanisms |
| D011787 | Quality of Health Care |
| D017530 | Health Care Quality, Access, and Evaluation |
| D011634 | Public Health |
| D004778 | Environment and Public Health |
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