A Study of the Sense of Smell in Relatives of Parkinson's Disease Patients
Screening Evaluations for Neurologic Syndromes: Olfactory Testing in Relatives of Parkinson's Disease Patients
Screening Evaluations for Neurologic Syndromes: Olfactory Testing in Relatives of Parkinson's Disease Patients
Sponsor study identifier
observational
600
1 country
1
Study Start
October 2004
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
June 2008
Actual (reported)Study Completion
June 2008
Actual (reported)In this study, individuals complete and return a mail survey, specifically a 40 item scratch and sniff smell test.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
June 2008
Actual (reported)Click on a node to explore related trials.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
October 2004
Date type not reportedThis date has not been verified as actual or estimated.
November 16, 2004
Actual (reported)November 17, 2004
Actual (reported)June 2008
Actual (reported)June 2008
Actual (reported)Institute for Neurodegenerative Disorders
New Haven, Connecticut, 06510, United States
Berendse HW, Booij J, Francot CM, Bergmans PL, Hijman R, Stoof JC, Wolters EC. Subclinical dopaminergic dysfunction in asymptomatic Parkinson's disease patients' relatives with a decreased sense of smell. Ann Neurol. 2001 Jul;50(1):34-41. doi: 10.1002/ana.1049.
DeKosky ST, Marek K. Looking backward to move forward: early detection of neurodegenerative disorders. Science. 2003 Oct 31;302(5646):830-4. doi: 10.1126/science.1090349.
Danna Jennings, MD
Institute for Neurodegenerative Disorders
First Submitted
November 16, 2004
First Posted
November 17, 2004
Study Start
October 2004
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
June 2008
Actual (reported)Study of the Effects of Dopaminergic Medications on Dopamine Transporter Density in Subjects With Parkinson's Disease
Contact the study team to confirm eligibility.
Doty RL, Shaman P, Dann M. Development of the University of Pennsylvania Smell Identification Test: a standardized microencapsulated test of olfactory function. Physiol Behav. 1984 Mar;32(3):489-502. doi: 10.1016/0031-9384(84)90269-5.
Doty RL, Bromley SM, Stern MB. Olfactory testing as an aid in the diagnosis of Parkinson's disease: development of optimal discrimination criteria. Neurodegeneration. 1995 Mar;4(1):93-7. doi: 10.1006/neur.1995.0011.
Marek KL, Seibyl JP, Zoghbi SS, Zea-Ponce Y, Baldwin RM, Fussell B, Charney DS, van Dyck C, Hoffer PB, Innis RP. [123I] beta-CIT/SPECT imaging demonstrates bilateral loss of dopamine transporters in hemi-Parkinson's disease. Neurology. 1996 Jan;46(1):231-7. doi: 10.1212/wnl.46.1.231.
Markopoulou K, Larsen KW, Wszolek EK, Denson MA, Lang AE, Pfeiffer RF, Wszolek ZK. Olfactory dysfunction in familial parkinsonism. Neurology. 1997 Nov;49(5):1262-7. doi: 10.1212/wnl.49.5.1262.
Montgomery EB Jr, Baker KB, Lyons K, Koller WC. Abnormal performance on the PD test battery by asymptomatic first-degree relatives. Neurology. 1999 Mar 10;52(4):757-62. doi: 10.1212/wnl.52.4.757.
Morrish PK, Rakshi JS, Bailey DL, Sawle GV, Brooks DJ. Measuring the rate of progression and estimating the preclinical period of Parkinson's disease with [18F]dopa PET. J Neurol Neurosurg Psychiatry. 1998 Mar;64(3):314-9. doi: 10.1136/jnnp.64.3.314.
Mouradian MM. Recent advances in the genetics and pathogenesis of Parkinson disease. Neurology. 2002 Jan 22;58(2):179-85. doi: 10.1212/wnl.58.2.179.
Quinn NP, Rossor MN, Marsden CD. Olfactory threshold in Parkinson's disease. J Neurol Neurosurg Psychiatry. 1987 Jan;50(1):88-9. doi: 10.1136/jnnp.50.1.88.
Study Completion
June 2008
Actual (reported)Last Updated
April 3, 2019
Record last verified: 2019-04
Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.
Source: ClinicalTrials.gov.
JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.
Source retrieved: