The trial is taking place at:
I

IRIS Research and Development | Plantation, FL

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A Study to Evaluate the Safety and Efficacy of Upadacitinib in Participants With Giant Cell Arteritis (SELECT-GCA)

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AbbVie

Status and phase

Active, not recruiting
Phase 3

Conditions

Giant Cell Arteritis (GCA)

Treatments

Drug: Upadacitinib
Other: Placebo
Drug: Corticosteroid (CS)

Study type

Interventional

Funder types

Industry

Identifiers

NCT03725202
2023-505476-29-00 (Other Identifier)
2017-003978-13 (EudraCT Number)
M16-852

Details and patient eligibility

About

This study consists of two periods. The objective of Period 1 is to evaluate the efficacy of upadacitinib in combination with a 26-week corticosteroid (CS) taper regimen compared to placebo in combination with a 52-week CS taper regimen, as measured by the proportion of participants in sustained remission at Week 52, and to assess the safety and tolerability of upadacitinib in participants with giant cell arteritis (GCA). The objective of period 2 is to evaluate the safety and efficacy of continuing versus withdrawing upadacitinib in maintaining remission in participants who achieved sustained remission in Period 1.

Enrollment

429 patients

Sex

All

Ages

50+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Diagnosis of giant cell arteritis (GCA) according to the following criteria:

  • History of erythrocyte sedimentation rate (ESR) >= 50 mm/hour or high sensitivity C-reactive protein (hsCRP)/CRP >=1.0 mg/dL
  • Presence of at least one of the following: Unequivocal cranial symptoms of GCA or Unequivocal symptoms of polymyalgia rheumatica (PMR)
  • Presence of at least one of the following: temporal artery biopsy revealing features of GCA or evidence of large vessel vasculitis by angiography or cross-sectional imaging such as ultrasound, magnetic resonance imaging (MRI), computed tomography (CT) or positron emission tomography (PET).
  • Active GCA, either new onset or relapsing, within 8 weeks of Baseline.
  • Participants must have received treatment with >=40 mg prednisone (or equivalent) at any time prior to Baseline and be receiving prednisone (or equivalent) >= 20 mg once daily (QD) at Baseline.
  • Participants must have GCA that, in the opinion of the investigator, is clinically stable to allow the participant to safely initiate the protocol-defined corticosteroid (CS) taper regimen.
  • Females must either be postmenopausal or permanently surgically sterile or, practicing at least 1 specified method of birth control through the study.

Exclusion criteria

  • Prior exposure to any Janus Kinase (JAK) inhibitor.
  • Treatment with an interleukin-6 (IL-6) inhibitor within 4 weeks of study start, or prior treatment with an IL-6 inhibitor and experienced a disease flare during treatment.

Use of any of the following systemic immunosuppressant treatments within the specified timeframe prior to study start:

  • Anakinra within 1 week of study start.
  • Methotrexate, hydroxychloroquine, cyclosporine, azathioprine, or mycophenolate within 4 weeks of study start.
  • Oral corticosteroid (CS) for conditions other than GCA within 4 week of study start, or intravenous CS within 4 weeks of study start.
  • Greater than or equal to 8 weeks for leflunomide if no elimination procedure was followed, or adhere to an elimination procedure.
  • Cell-depleting agents or alkylating agents including cyclophosphamide within 6 months of study start.
  • Current or past history of infection including herpes zoster or herpes simplex, human immunodeficiency virus (HIV), active Tuberculosis, active or chronic recurring infection, active hepatitis B or C.
  • Female who is pregnant, breastfeeding, or considering pregnancy during the study.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

429 participants in 3 patient groups, including a placebo group

Arm A
Experimental group
Description:
Upadacitinib dose A administered daily + 26-week CS taper regimen
Treatment:
Drug: Corticosteroid (CS)
Drug: Upadacitinib
Arm B
Experimental group
Description:
Upadacitinib dose B administered daily + 26-week CS taper regimen
Treatment:
Drug: Corticosteroid (CS)
Drug: Upadacitinib
Arm C
Placebo Comparator group
Description:
Placebo administered daily + 52-week CS taper regimen
Treatment:
Drug: Corticosteroid (CS)
Other: Placebo

Trial contacts and locations

172

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Data sourced from clinicaltrials.gov

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