Tocilizumab Discontinuation or Dose Reduction for Giant Cell Arteritis

This study is for people with Giant Cell Arteritis (GCA), a condition that causes inflammation of blood vessels, who are currently in remission after at least 12 months of high-dose Tocilizumab (TCZ) treatment and have stopped taking steroids. Researchers want to see if continuing TCZ at a lower dose (either 4 mg/kg intravenously monthly or 162 mg subcutaneously every two weeks) is better than stopping TCZ completely. The main goal is to find out what proportion of patients stay in remission for 18 months. You would be eligible if you are 50 years or older, have a GCA diagnosis, and meet other specific criteria.

Study design
This is a multi-center, randomized, open-label study involving 78 participants. It compares two approaches for managing Giant Cell Arteritis.
What's involved
If you discontinue Tocilizumab, you will have visits at Week 2, Month 1 and 2, and then every 2 months until Month 18. If you remain in remission, you will enter a follow-up phase for an additional 12 months.
Compensation
Not stated in the trial record.
Follow-up
Participants are followed for 18 months to assess sustained remission, with an additional 12-month follow-up phase for those who remain in remission.

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NCT07108387

Tocilizumab Discontinuation Versus Dose Reduction for Patients With Well-Controlled Giant Cell Arteritis

Recruiting
PHASE2Ages 50+InterventionalTreatment
National Institute of Allergy and Infectious Diseases (NIAID)
~78 participants
Updated 2026-08-10 on ClinicalTrials.gov
What's tested:TocilizumabDiscontinue Tocilizumab

At a glance

Recruiting sites
7 of 7 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Proportion of patients in sustained remission
Measured over Through Month 18
Giant Cell Arteritis (GCA)
7 sites across 6 states
New York2
Georgia1
Illinois1
Maryland1
Massachusetts1
Pennsylvania1
  • Sebastian H Unizony, M.D. · STUDY_CHAIR · Massachusetts General Hospital: Rheumatology, Allergy and Immunology, Center for Immunology and Inflammatory Diseases

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  • Proportion of patients in sustained remissionThrough Month 18

    Sustained remission and clinical relapse will be determined by the investigator based on clinical signs and symptoms of active Giant cell arteritis (GCA) and PMR regardless of the values of erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP). The absence of clinical signs and symptoms of active GCA and PMR over the TCZ Withdrawal/Step-Down Dosing and Follow-Up Phases will define sustained remission through Months 18 and 30, respectively. Clinical relapse will be based on recurrent signs or symptoms attributed to GCA regardless of the values of ESR and CRP. To fulfill the definition of a disease relapse, the investigator must make the decision to intensify the participants GCA treatment