Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT06684847 · ClinicalTrials.gov registry record · Phase 3

A Study of the Efficacy and Safety of Efgartigimod in Patients With Primary Sjögren's Syndrome

A Phase 3 study of Primary Sjogren's Disease, sponsored by argenx.

Recruiting
Registry status
Phase 3
Development phase
580
Enrollment target
20
Study locations

NCT06684847: Recruiting Phase 3 study of Primary Sjogren's Disease, sponsored by argenx.

NCT06684847 is a Phase 3 study of Primary Sjogren's Disease that is actively recruiting participants, run by argenx. The registered enrollment target is 580 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (25% lower). The trial reports 20 study locations across 7 states. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT06684847, a Phase 3 study of Primary Sjogren's Disease, is actively recruiting participants, sponsored by argenx.

RECRUITING
Registry status
Phase 3
Development phase
580 participants
Enrollment target
20
Study locations

Study Summary

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.

Primary Outcome

The ESSDAI was designed to measure systemic disease activity in patients with PSjD and consists of 12 domains. The score varies between 0 (no disease activity) and 123 (max disease activity). The clinESSDAI includes all ESSDAI domains except the biological domain.

Conditions Studied

Interventions

  • OTHER Placebo PH20 SC
  • BIOLOGICAL Efgartigimod PH20 SC

Study Locations (20)

Florida

  • Clinical Research of West Florida, Inc. - Clearwater
  • Centre for Rheumatology, Immunology and Arthritis - Fort Lauderdale
  • Finlay Medical Research Corp - Greenacres City
  • University of Florida College of Medicine Jacksonville - Jacksonville
  • Life Clinical Trials - Margate
  • Clinical Research of West Florida, Inc. - Tampa
  • Conquest Research - Winter Park

Illinois

  • Chicago Clinical Research Institute - Chicago
  • Great Lakes Clinical Trials, LLC Ravenswood dba Flourish Research - Chicago
  • Chicago Arthritis & Regenerative Medicine - Chicago
  • Greater Chicago Specialty Physicians LLC - Orland Park
  • Arizona Arthritis & Rheumatology Research, PLLC - Willowbrook

Arizona

  • One of a Kind Clinical Research Center LLC - Scottsdale
  • Arizona Arthritis & Rheumatology Research, PLLC - Sun City
  • Arizona Arthritis & Rheumatology Research, PLLC - Tucson

California

  • Providence Medical Foundation - Fullerton
  • Stanford University School of Medicine - Stanford

Colorado

  • University of Colorado - Aurora

Georgia

  • Piedmont Healthcare, Inc. - Atlanta

Idaho

  • St. Luke's Clinic - Rheumatology - Boise

Trial Details

FieldValue
Enrollment Target 580 participants
Start Date 2025-01-15
Est. Completion 2028-07
Phase Phase 3
argenx

49 total trials

What NCT06684847 shows while recruiting

NCT06684847 is an interventional study that assigns participants to a tested intervention. The registered 580 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (25% lower).

The record links to 1 condition, with Primary Sjogren's Disease appearing as the primary indexed condition, and to 2 interventions - of which Placebo PH20 SC is the first listed.

NCT06684847 names 20 study sites across 7 states, led by Florida, Illinois, Arizona.

Frequently Asked Questions

What is clinical trial NCT06684847 about?

NCT06684847 is a clinical study titled "A Study of the Efficacy and Safety of Efgartigimod in Patients With Primary Sjögren's Syndrome". 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 f...

What is the current status of trial NCT06684847?

This trial is currently recruiting. It is a Phase 3 study. The enrollment target is 580 participants. The study started on 2025-01-15. Estimated completion is 2028-07.

What conditions does trial NCT06684847 study?

This clinical trial studies the following conditions: Primary Sjogren's Disease.

What interventions are being tested in trial NCT06684847?

The interventions under investigation include: Placebo PH20 SC (OTHER), Efgartigimod PH20 SC (BIOLOGICAL).

Who is sponsoring clinical trial NCT06684847?

This trial is sponsored by argenx, which has 49 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT06684847 being conducted?

This trial has 20 study locations across Arizona, California, Colorado, Florida, Georgia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Primary Sjogren's Disease

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT06684847's enrollment target sits among peer trials

580 656th of 2000 higher than 1,343 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT04575935 · 580 participants · Phase 3

    Minimally Invasive Surgery After Neoadjuvant Chemotherapy for the Treatment of Stage IIIC-IV Ovarian, Primary Peritoneal, or Fallopian Tube Cancer, LANCE Trial

  • NCT05143177 · 580 participants · Phase 2

    A Study to Evaluate the Efficacy and Safety of DA-1229 (Evogliptin) in Patient's Calcific Aortic Valve Disease With Mild to Moderate Aortic Stenosis (EVOID-AS)

  • NCT05696353 · 580 participants · Phase 3

    Teen Driving Translation Study (NIH)

  • NCT06578104 · 580 participants

    PULSED AF Post-Approval Study

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT06684847, the US trial registry maintained by the National Library of Medicine. NCT06684847 (mid enrollment · wide site footprint · recruiting) retrieved and formatted by PlainTrial, see methodology.