A Study Comparing SB4 to Enbrel® in Subjects With Moderate to Severe Rheumatoid Arthritis Despite Methotrexate Therapy
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT01895309 |
Recruitment Status :
Completed
First Posted : July 10, 2013
Results First Posted : August 29, 2016
Last Update Posted : August 17, 2017
|
- Study Details
- Tabular View
- Study Results
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Rheumatoid Arthritis | Drug: Enbrel (etanercept) Drug: SB4 (proposed biosimilar to etanercept) | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 596 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Randomised, Double-blind, Parallel Group, Multicentre Clinical Study to Evaluate the Efficacy, Safety, Pharmacokinetics and Immunogenicity of SB4 Compared to Enbrel® in Subjects With Moderate to Severe Rheumatoid Arthritis Despite Methotrexate Therapy |
Study Start Date : | June 2013 |
Actual Primary Completion Date : | April 2014 |
Actual Study Completion Date : | October 2015 |

Arm | Intervention/treatment |
---|---|
Experimental: SB4 (proposed biosimilar to etanercept)
SB4 50 mg/week via subcutaneous injection
|
Drug: SB4 (proposed biosimilar to etanercept) |
Active Comparator: Enbrel (etanercept)
Enbrel 50 mg/week via subcutaneous injection
|
Drug: Enbrel (etanercept) |
- American College of Rheumatology 20% Response Criteria (ACR20) [ Time Frame: Week 24 ]
- ACR20 [ Time Frame: Week 52 ]
- American College of Rheumatology 50% Response Criteria (ACR50) [ Time Frame: Week 24, Week 52 ]

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years to 75 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Diagnosed as having RA according to the revised 1987 ACR criteria for at least 6 months but not exceeding 15 years prior to Screening
- Have moderate to severe active disease despite MTX therapy defined as having more than or equal to six swollen joints and more than or equal to six tender joints and either erythrocyte sedimentation rate (ESR, Westergren) ≥ 28 mm/h or serum C-reactive protein ≥ 1.0 mg/dL
- Must have been treated with MTX for at least 6 months prior to Randomisation and on a stable dose of MTX 10-25 mg/week given at least 4 weeks prior to Screening
- Female subjects who are not pregnant or nursing at Screening and who are not planning to become pregnant from Screening until 2 months after the last dose of investigational product
Exclusion Criteria:
- Have been treated previously with any biological agents including any tumour necrosis factor inhibitor
- Have a known hypersensitivity to human immunoglobulin proteins or other components of Enbrel or SB4
- Have a positive serological test for hepatitis B or hepatitis C or have a known history of infection with human immunodeficiency virus
- Have a current diagnosis of active tuberculosis
- Have had a serious infection or have been treated with intravenous antibiotics for an infection within 8 weeks or oral antibiotics within 2 weeks prior to Randomisation.
-
Have any of the following conditions
- Other inflammatory or rheumatic diseases.
- History of any malignancy within the previous 5 years prior to Screening
- History of lymphoproliferative disease including lymphoma.
- History of congestive heart failure
- Physical incapacitation (ACR functional Class IV or wheelchair-/bed-bound).
- History of demyelinating disorders.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01895309
Poland | |
Investigational Site | |
Kielce, Poland | |
United Kingdom | |
Investigational Site | |
Southampton, Hampshire, United Kingdom |
Principal Investigator: | Jiri Vencovsky, M.D., Ph.D. | Charles University, Czech Republic |
Responsible Party: | Samsung Bioepis Co., Ltd. |
ClinicalTrials.gov Identifier: | NCT01895309 |
Other Study ID Numbers: |
SB4-G31-RA |
First Posted: | July 10, 2013 Key Record Dates |
Results First Posted: | August 29, 2016 |
Last Update Posted: | August 17, 2017 |
Last Verified: | December 2015 |
Rheumatoid Arthritis Etanercept Biosimilar |
Arthritis Arthritis, Rheumatoid Joint Diseases Musculoskeletal Diseases Rheumatic Diseases Connective Tissue Diseases Autoimmune Diseases Immune System Diseases Etanercept Anti-Inflammatory Agents, Non-Steroidal |
Analgesics, Non-Narcotic Analgesics Sensory System Agents Peripheral Nervous System Agents Physiological Effects of Drugs Anti-Inflammatory Agents Antirheumatic Agents Gastrointestinal Agents Immunosuppressive Agents Immunologic Factors |