NCT00006418

Brief Summary

This study will create a DNA collection with blood samples from families with at least two siblings who have schizophrenia symptoms. This collection will help scientists identify genes that predispose people to schizophrenia.

Trial Health

90
On Track

Trial Health Score

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

Enrollment
10,800

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Sep 2003

Longer than P75 for all trials

Geographic Reach
2 countries

10 active sites

Status
completed

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

First Submitted

Initial submission to the registry

October 25, 2000

Completed
1 day until next milestone

First Posted

Study publicly available on registry

October 26, 2000

Completed
2.8 years until next milestone

Study Start

First participant enrolled

September 1, 2003

Completed
3.9 years until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2007

Completed
Last Updated

April 2, 2014

Status Verified

November 1, 2005

First QC Date

October 25, 2000

Last Update Submit

April 1, 2014

Conditions

Keywords

SchizophreniaGenetics

Interventions

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Individuals thought to have schizophrenia or schizoaffective disorder, be the parent of such an individual, or be in the matched control group of unrelated individuals not thought to have schizophrenia or schizoaffective disorder

You may not qualify if:

  • Unable to give informed consent to all aspects of the study
  • Psychotic disorder judged to be secondary to substance use, psychotic disorder that appears to be secondary to a known medical or neurological disorder, or severe mental retardation

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (10)

University of California, Irvine

Irvine, California, 92697, United States

Location

University of Colorado Health Sciences Center

Denver, Colorado, 80262, United States

Location

Emory University

Atlanta, Georgia, 30322, United States

Location

Evanston Northwestern Healthcare Research Institute

Evanston, Illinois, 60201, United States

Location

University of Iowa College of Medicine

Iowa City, Iowa, 52242, United States

Location

Louisiana State University Health Sciences Center

New Orleans, Louisiana, 70112, United States

Location

Washington University School of Medicine

St Louis, Missouri, 63128, United States

Location

Mount Sinai School of Medicine

New York, New York, 10029, United States

Location

University of Pennsylvania School of Medicine

Philadelphia, Pennsylvania, 19104, United States

Location

University of Queensland

Brisbane, Queensland, 4029, Australia

Location

Related Publications (8)

  • Suarez BK, Duan J, Sanders AR, Hinrichs AL, Jin CH, Hou C, Buccola NG, Hale N, Weilbaecher AN, Nertney DA, Olincy A, Green S, Schaffer AW, Smith CJ, Hannah DE, Rice JP, Cox NJ, Martinez M, Mowry BJ, Amin F, Silverman JM, Black DW, Byerley WF, Crowe RR, Freedman R, Cloninger CR, Levinson DF, Gejman PV. Genomewide linkage scan of 409 European-ancestry and African American families with schizophrenia: suggestive evidence of linkage at 8p23.3-p21.2 and 11p13.1-q14.1 in the combined sample. Am J Hum Genet. 2006 Feb;78(2):315-33. doi: 10.1086/500272. Epub 2006 Jan 3.

    PMID: 16400611BACKGROUND
  • GAIN Collaborative Research Group; Manolio TA, Rodriguez LL, Brooks L, Abecasis G; Collaborative Association Study of Psoriasis; Ballinger D, Daly M, Donnelly P, Faraone SV; International Multi-Center ADHD Genetics Project; Frazer K, Gabriel S, Gejman P; Molecular Genetics of Schizophrenia Collaboration; Guttmacher A, Harris EL, Insel T, Kelsoe JR; Bipolar Genome Study; Lander E, McCowin N, Mailman MD, Nabel E, Ostell J, Pugh E, Sherry S, Sullivan PF; Major Depression Stage 1 Genomewide Association in Population-Based Samples Study; Thompson JF, Warram J; Genetics of Kidneys in Diabetes (GoKinD) Study; Wholley D, Milos PM, Collins FS. New models of collaboration in genome-wide association studies: the Genetic Association Information Network. Nat Genet. 2007 Sep;39(9):1045-51. doi: 10.1038/ng2127.

    PMID: 17728769BACKGROUND
  • Sanders AR, Duan J, Levinson DF, Shi J, He D, Hou C, Burrell GJ, Rice JP, Nertney DA, Olincy A, Rozic P, Vinogradov S, Buccola NG, Mowry BJ, Freedman R, Amin F, Black DW, Silverman JM, Byerley WF, Crowe RR, Cloninger CR, Martinez M, Gejman PV. No significant association of 14 candidate genes with schizophrenia in a large European ancestry sample: implications for psychiatric genetics. Am J Psychiatry. 2008 Apr;165(4):497-506. doi: 10.1176/appi.ajp.2007.07101573. Epub 2008 Jan 15.

    PMID: 18198266BACKGROUND
  • O'Donovan MC, Craddock N, Norton N, Williams H, Peirce T, Moskvina V, Nikolov I, Hamshere M, Carroll L, Georgieva L, Dwyer S, Holmans P, Marchini JL, Spencer CC, Howie B, Leung HT, Hartmann AM, Moller HJ, Morris DW, Shi Y, Feng G, Hoffmann P, Propping P, Vasilescu C, Maier W, Rietschel M, Zammit S, Schumacher J, Quinn EM, Schulze TG, Williams NM, Giegling I, Iwata N, Ikeda M, Darvasi A, Shifman S, He L, Duan J, Sanders AR, Levinson DF, Gejman PV, Cichon S, Nothen MM, Gill M, Corvin A, Rujescu D, Kirov G, Owen MJ, Buccola NG, Mowry BJ, Freedman R, Amin F, Black DW, Silverman JM, Byerley WF, Cloninger CR; Molecular Genetics of Schizophrenia Collaboration. Identification of loci associated with schizophrenia by genome-wide association and follow-up. Nat Genet. 2008 Sep;40(9):1053-5. doi: 10.1038/ng.201.

    PMID: 18677311BACKGROUND
  • O'Donovan MC, Norton N, Williams H, Peirce T, Moskvina V, Nikolov I, Hamshere M, Carroll L, Georgieva L, Dwyer S, Holmans P, Marchini JL, Spencer CC, Howie B, Leung HT, Giegling I, Hartmann AM, Moller HJ, Morris DW, Shi Y, Feng G, Hoffmann P, Propping P, Vasilescu C, Maier W, Rietschel M, Zammit S, Schumacher J, Quinn EM, Schulze TG, Iwata N, Ikeda M, Darvasi A, Shifman S, He L, Duan J, Sanders AR, Levinson DF, Adolfsson R, Osby U, Terenius L, Jonsson EG, Cichon S, Nothen MM, Gill M, Corvin AP, Rujescu D, Gejman PV, Kirov G, Craddock N, Williams NM, Owen MJ; Molecular Genetics of Schizophrenia Collaboration. Analysis of 10 independent samples provides evidence for association between schizophrenia and a SNP flanking fibroblast growth factor receptor 2. Mol Psychiatry. 2009 Jan;14(1):30-6. doi: 10.1038/mp.2008.108. Epub 2008 Sep 23.

    PMID: 18813210BACKGROUND
  • Psychiatric GWAS Consortium Coordinating Committee; Cichon S, Craddock N, Daly M, Faraone SV, Gejman PV, Kelsoe J, Lehner T, Levinson DF, Moran A, Sklar P, Sullivan PF. Genomewide association studies: history, rationale, and prospects for psychiatric disorders. Am J Psychiatry. 2009 May;166(5):540-56. doi: 10.1176/appi.ajp.2008.08091354. Epub 2009 Apr 1.

    PMID: 19339359BACKGROUND
  • Shi J, Levinson DF, Duan J, Sanders AR, Zheng Y, Pe'er I, Dudbridge F, Holmans PA, Whittemore AS, Mowry BJ, Olincy A, Amin F, Cloninger CR, Silverman JM, Buccola NG, Byerley WF, Black DW, Crowe RR, Oksenberg JR, Mirel DB, Kendler KS, Freedman R, Gejman PV. Common variants on chromosome 6p22.1 are associated with schizophrenia. Nature. 2009 Aug 6;460(7256):753-7. doi: 10.1038/nature08192. Epub 2009 Jul 1.

    PMID: 19571809BACKGROUND
  • Gejman PV, Sanders AR, Duan J. The role of genetics in the etiology of schizophrenia. Psychiatr Clin North Am. 2010 Mar;33(1):35-66. doi: 10.1016/j.psc.2009.12.003.

    PMID: 20159339BACKGROUND

Related Links

MeSH Terms

Conditions

Schizophrenia

Condition Hierarchy (Ancestors)

Schizophrenia Spectrum and Other Psychotic DisordersMental Disorders

Study Design

Study Type
observational
Sponsor Type
OTHER

Study Record Dates

First Submitted

October 25, 2000

First Posted

October 26, 2000

Study Start

September 1, 2003

Study Completion

August 1, 2007

Last Updated

April 2, 2014

Record last verified: 2005-11

Locations