A Study of the Efficacy and Safety of Efgartigimod in Patients With Primary Sjögren's Syndrome
Purpose
The main purpose of the proposed study is to evaluate the efficacy of efgartigimod PH20 SC in patients with moderate-to-severe Primary Sjögren's Disease (pSjD). The study consists of a double-blinded placebo-controlled treatment period and an open-label treatment period. The maximum study duration for participants in both study parts is approximately 105 weeks.
Condition
- Primary Sjogrens Disease
Eligibility
- Eligible Ages
- Over 18 Years
- Eligible Sex
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- Is at least 18 years of age and the local legal age of consent for clinical studies when signing the ICF. - Meets the following criteria at screening: fulfilled ACR/EULAR classification criteria 2016 PSjD criteria before screening; clinESSDAI ≥ 6 at screening; Anti-Ro/SS-A positive at central laboratory; Unstimulated residual salivary flow (≥ 0.01 mL/min)
Exclusion Criteria
- Secondary (also referred to as associated) Sjögren's disease, defined as overlap with another autoimmune rheumatic or systemic inflammatory condition (eg, rheumatoid arthritis, systemic lupus erythematosus, scleroderma, or idiopathic inflammatory myopathy - Active fibromyalgia which is not adequately controlled in the judgment of the investigator, or participant is receiving fibromyalgia treatment that has not been stable treatment for at least 12 weeks before screening. - Any severe systemic pSjD manifestation that is not adequately controlled at screening or baseline that may put the participant at undue risk based on the investigator's opinion. - Use of cyclophosphamide ≤ 24 weeks prior to screening - Anti-CD20 or anti-CD19 antibody received < 6 months before screening
Study Design
- Phase
- Phase 3
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel Assignment
- Primary Purpose
- Treatment
- Masking
- Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Arm Groups
| Arm | Description | Assigned Intervention |
|---|---|---|
|
Experimental Double-blinded treatment period: Efgartigimod PH20 SC |
Participants receiving efgartigimod PH20 SC during the double-blinded treatment period |
|
|
Placebo Comparator Double-blinded treatment period: Placebo PH20 SC |
Participants receiving placebo PH20 SC during the double-blinded treatment period |
|
|
Experimental Open-label treatment period |
Participants receiving efgartigimod PH20 SC during the open-label treatment period |
|
Recruiting Locations
Scottsdale 5313457, Arizona 5551752 85258
Sun City 5316201, Arizona 5551752 85351
Tucson 5318313, Arizona 5551752 85748
Fullerton 5351247, California 5332921 92835
Clearwater 4151316, Florida 4155751 33765
Fort Lauderdale 4155966, Florida 4155751 33309
Greenacres City 4157467, Florida 4155751 33647
Margate 4163407, Florida 4155751 33063
Tampa 4174757, Florida 4155751 33606
Winter Park 4178560, Florida 4155751 32789
Atlanta 4180439, Georgia 4197000 30318
Boise 5586437, Idaho 5596512 83702
Chicago 4887398, Illinois 4896861 60607
Chicago 4887398, Illinois 4896861 60640
Orland Park 4904937, Illinois 4896861 60467
Willowbrook 4916709, Illinois 4896861 60527
Lake Charles 4330236, Louisiana 4331987 70605
St Louis 4407066, Missouri 4398678 63110
Corvallis 5720727, Oregon 5744337 97330
Bethlehem 5180225, Pennsylvania 6254927 18105
Allen 4670300, Texas 4736286 75013
Baytown 4672731, Texas 4736286 77521
Bellaire 4673353, Texas 4736286 77401
Colleyville 4682478, Texas 4736286 76034-5913
Dallas 4684888, Texas 4736286 75235
Fort Worth 4691930, Texas 4736286 76109
Houston 4699066, Texas 4736286 77089
Houston 4699066, Texas 4736286 77090
Irving 4700168, Texas 4736286 75039
Katy 4702732, Texas 4736286 77450
Sugar Land 4734825, Texas 4736286 77478
Waco 4739526, Texas 4736286 76712
More Details
- NCT ID
- NCT06684847
- Status
- Recruiting
- Sponsor
- argenx