NCT01241305

Brief Summary

The purpose of this study is to identify genes that increase the risk of developing vasculitis, a group of severe diseases that feature inflammation of blood vessels. Results of these studies will provide vasculitis researchers with insight into the causes of these diseases and generate new ideas for diagnostic tests and therapies, and will be of great interest to the larger communities of researchers investigating vasculitis and other autoimmune, inflammatory, and vascular diseases.

Trial Health

80
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,000

participants targeted

Target at P75+ for all trials

Timeline
27mo left

Started Oct 2010

Longer than P75 for all trials

Geographic Reach
3 countries

14 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress87%
Oct 2010Aug 2028

Study Start

First participant enrolled

October 1, 2010

Completed
21 days until next milestone

First Submitted

Initial submission to the registry

October 22, 2010

Completed
25 days until next milestone

First Posted

Study publicly available on registry

November 16, 2010

Completed
17.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2028

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2028

Last Updated

January 22, 2026

Status Verified

January 1, 2026

Enrollment Period

17.8 years

First QC Date

October 22, 2010

Last Update Submit

January 21, 2026

Conditions

Keywords

VasculitisCSSEGPAGCAGPAWGMPAPANTAK

Outcome Measures

Primary Outcomes (1)

  • Evaluation of clinical data and linked DNA specimens.

    1 year.

Eligibility Criteria

Age7 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Individuals with giant cell arteritis, Takayasu's arteritis, polyarteritis nodosa, granulomatosis with polyangiitis (Wegener's), microscopic polyangiitis, and eosinophilic granulomatosis with polyangiitis (Churg-Strauss). Enrollment will be sequential and patients will have disease in various stages and of different duration.

You may qualify if:

  • \. Diagnostic criteria for Giant Cell Arteritis Age at disease onset \>50 years (required)
  • New onset or new type of localized pain in the head
  • Temporal artery abnormality (i.e. temporal artery tenderness to palpation or decreased pulsation, unrelated to arteriosclerosis of cervical arteries)
  • ESR of \>40mm in the first hour by the Westergren method
  • Abnormal artery biopsy (i.e. temporal artery biopsy showing vasculitis characterized by a predominance of mononuclear cell infiltration or granulomatous inflammation, usually with multinucleated giant cells)
  • Large Vessel Vasculitis (LVV) by angiogram or biopsy not explained by something else
  • \. Diagnostic criteria for Takayasu's Arteritis
  • Age at disease onset \<50 years
  • Claudication of extremities
  • Decreased brachial artery pulse (one or both arteries)
  • Blood pressure difference of \>10mm Hg between the arms
  • Bruit over subclavian arteries or aorta
  • Arteriogram abnormalities compatible with TAK (includes conventional dye angiography or MR angiography or CT angiography)
  • \. Diagnostic criteria for Polyarteritis Nodosa Major criteria (not explained by other causes) felt by investigator to be due to vasculitis
  • Arteriographic abnormality
  • +32 more criteria

You may not qualify if:

  • Inability to give informed consent and to sign the consent form
  • Enrolled in VCRC protocols 5502, 5503, 5504, 5505, 5506, 5522, or 5523
  • Unwilling to provide blood for DNA collection

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (14)

Cedars-Sinai Medical Center

Los Angeles, California, 90048, United States

COMPLETED

University of California, San Francisco

San Francisco, California, 94143, United States

COMPLETED

Northwestern University

Chicago, Illinois, 60208, United States

RECRUITING

University of Kansas Medical Center

Kansas City, Kansas, 66103, United States

COMPLETED

University of Michigan

Ann Arbor, Michigan, 48109-5422, United States

COMPLETED

Mayo Clinic

Rochester, Minnesota, 55905, United States

COMPLETED

Hospital for Special Surgery

New York, New York, 10021, United States

COMPLETED

Cleveland Clinic

Cleveland, Ohio, 44195, United States

COMPLETED

University of Pennsylvania

Philadelphia, Pennsylvania, 19104, United States

RECRUITING

University of Pittsburgh

Pittsburgh, Pennsylvania, 15261, United States

COMPLETED

University of Utah

Salt Lake City, Utah, 84132, United States

COMPLETED

St. Joseph's Healthcare

Hamilton, Ontario, Canada

RECRUITING

Mount Sinai Hospital

Toronto, Ontario, M5T 3L9, Canada

RECRUITING

Istanbul University

Istanbul, Fatih, 34452, Turkey (Türkiye)

COMPLETED

Related Publications (1)

  • Doubelt I, Springer JM, Kermani TA, Sreih AG, Burroughs C, Cuthbertson D, Carette S, Khalidi NA, Koening CL, Langford C, McAlear CA, Moreland LW, Monach PA, Shaw DG, Seo P, Specks U, Warrington KJ, Young K, Merkel PA, Pagnoux C. Self-Reported Data and Physician-Reported Data in Patients With Eosinophilic Granulomatosis With Polyangiitis: Comparative Analysis. Interact J Med Res. 2022 May 25;11(1):e27273. doi: 10.2196/27273.

Related Links

Biospecimen

Retention: SAMPLES WITH DNA

Two 10 ml tubes of blood will be collected for DNA extraction.

MeSH Terms

Conditions

Churg-Strauss SyndromeGiant Cell ArteritisGranulomatosis with PolyangiitisMicroscopic PolyangiitisPolyarteritis NodosaTakayasu ArteritisVasculitis

Condition Hierarchy (Ancestors)

Anti-Neutrophil Cytoplasmic Antibody-Associated VasculitisSystemic VasculitisVascular DiseasesCardiovascular DiseasesGranulomaLymphoproliferative DisordersLymphatic DiseasesHemic and Lymphatic DiseasesSkin Diseases, VascularSkin DiseasesSkin and Connective Tissue DiseasesAutoimmune DiseasesImmune System DiseasesVasculitis, Central Nervous SystemAutoimmune Diseases of the Nervous SystemNervous System DiseasesCerebrovascular DisordersBrain DiseasesCentral Nervous System DiseasesArteritisLung Diseases, InterstitialLung DiseasesRespiratory Tract DiseasesCerebral Small Vessel DiseasesAortic Arch SyndromesAortic Diseases

Study Officials

  • Peter Merkel, MD, MPH

    University of Pennsylvania

    STUDY DIRECTOR

Central Study Contacts

Carol McAlear, MA

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

October 22, 2010

First Posted

November 16, 2010

Study Start

October 1, 2010

Primary Completion (Estimated)

August 1, 2028

Study Completion (Estimated)

August 1, 2028

Last Updated

January 22, 2026

Record last verified: 2026-01

Locations