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Clinical Trials/NCT06833411
NCT06833411Not yet recruitingPhase 3

Treatment for Giant Cell Arteritis With Tocilizumab and 8 as Compared to 26 Weeks of Prednisone: a Randomized, Multicenter, Adaptive, Blinded, Phase III Study

Insel Gruppe AG, University Hospital Bern1 site in 1 country178 target enrollmentStarted: July 1, 2026Last updated:
Conditions
Interventions
Drugs

Trial Snapshot

Phase
Phase 3
Status
Not yet recruiting
Enrollment
178
Locations
1
Primary Endpoint
Absence of a major relapse from randomization to 52 weeks

Study Overview

Brief Summary

The GISCO study plans to determine whether 8-week therapy is just as effective as 26-week cortisone therapy for treating giant cell arteritis

  • with tocilizumab,
  • while using less cortisone.

Detailed Description

The aim of this randomized clinical trial investigates whether 1) a shortened GC 8-week regimen is as effective as the current 26-week regimen and 2) associated with less GC exposure when introducing a GC-sparing agent in the treatment of GCA.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Single Group
Primary Purpose
Treatment
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

Eligibility Criteria

Ages
50 Years to — (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • •Patients diagnosed with giant cell arteritis
  • •Start of tocilizumab treatment at baseline as part of routine clinical practice
  • •Receive ≥ 20 mg/day prednisone (or equivalent) at baseline
  • •Written informed consent

Exclusion Criteria

  • •Treated with any investigational drug of chemical or biologic nature within a minimum of 30 days or 5 half-lives (whichever is longer) prior to the first dose of tocilizumab.

Arms & Interventions

8 weeks glucocorticoid

Experimental

8 weeks glucocorticoid taper

Intervention: Prednisone (Drug)

26 weeks glucocorticoid

Active Comparator

26 weeks glucocorticoid taper

Intervention: Prednisone (Drug)

Outcomes

Primary Outcomes

Absence of a major relapse from randomization to 52 weeks

Time Frame: 52 weeks

Composite endpoint. Pairwise comparisons of each patient from the control arm with each patient of the experimental arm.

Cumulative glucocorticoid exposure from randomization to 52 weeks

Time Frame: 52 weeks

Composite endpoint. Pairwise comparisons of each patient from the control arm with each patient of the experimental arm.

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Other
Responsible Party
Sponsor

Study Sites (1)

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