NCT02283073

Brief Summary

The main objective of the study is to design and validate the blood based PDx gene expression and miRNA assay for the early diagnosis of Parkinson's disease patients. Differential diagnosis includes patients with Multiple System Atrophy, Progressive Supranuclear Palsy, Corticobasal Degeneration, Lewy Body Dementia, Essential Tremor and Normal Controls.

Trial Health

47
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
410

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Nov 2014

Longer than P75 for all trials

Geographic Reach
2 countries

6 active sites

Status
unknown

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 27, 2014

Completed
5 days until next milestone

Study Start

First participant enrolled

November 1, 2014

Completed
4 days until next milestone

First Posted

Study publicly available on registry

November 5, 2014

Completed
5.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2019

Completed
Last Updated

July 10, 2018

Status Verified

July 1, 2018

Enrollment Period

5.1 years

First QC Date

October 27, 2014

Last Update Submit

July 9, 2018

Conditions

Keywords

Diagnosis

Outcome Measures

Primary Outcomes (1)

  • The Diagnostic Accuracy of PDx mRNA Assay in Diagnosing Idiopathic Parkinson's Disease

    Investigate the diagnostic accuracy of the PDx gene expression assay, comprised of 5-6 expressed genes (mRNA - RQ-PCR), to differentiate patients with Idiopathic Parkinson's disease from the Differential Diagnosis Group. Diagnostic Accuracy includes sensitivity, specificity, likelihood ratios and the area under the receiver operating characteristic (ROC) curve. Diagnostic Accuracy will be calculated by comparing the PDx assay results to the Gold Standard Diagnosis, which will be the Clinical diagnosis of the Patient one year after the first and only visit (day of blood collection). The physician investigator will be contacted if there was any change in the baseline diagnosis one year after blood collection according to routine clinical findings.

    One year from enrollment

Secondary Outcomes (3)

  • Diagnostic Accuracy of each one of the PDx assay's expressed genes for Differentiating Idiopathic Parkinson's Disease Patients from Atypical Parkinsonism Patients.

    One year from enrollment

  • Diagnostic Accuracy of each one of the PDx assay's expressed genes for Differentiating Idiopathic Parkinson's Disease Patients from Essential Tremor Patients.

    One year from enrollment

  • Diagnostic Accuracy of each one of the PDx assay's expressed genes for Differentiating Idiopathic Parkinson's Disease Patients from Healthy Controls.

    One year from enrollment

Study Arms (2)

Idiopathic Parkinson's disease

Patient with clinical diagnosis of Idiopathic Parkinson's Disease according to Queen Square Brain Bank Criteria up to one year prior to enrollment in study.

Differential Diagnosis Group

MSA, PSP, CBD, Lewy body dementia, Essential Tremor, and Healthy Controls

Eligibility Criteria

Age40 Years - 80 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Movement disorder clinics

You may qualify if:

  • Patient is able and willing to read the informed consent form
  • Patient with clinical diagnosis of Idiopathic Parkinson's Disease according to Queen Square Brain Bank Criteria up to one year prior to enrollment in study
  • Patient with diagnosis of MSA, PSP, CBD, Lewy Body Dementia, Essential Tremor or Healthy Control
  • Men and Women aged 40-80 years
  • Willing and able to comply with procurement of blood sample

You may not qualify if:

  • Any medical, psychiatric or other conditions which, in the opinion of the investigator, would preclude participation
  • Pregnancy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (6)

Rambam Health Care Campus

Haifa, 31096,, Israel

Location

Rabin Medical Center

Petach Tikvah, 4941492, Israel

Location

Tel Aviv Sourasky Medical Center

Tel Aviv, 64239, Israel

Location

Chaim Sheba Medical Center

Tel Litwinsky, 52621, Israel

Location

Assaf Harofeh Medical Center

Ẕerifin, 70300, Israel

Location

Pisa University Hospital

Pisa, 56126, Italy

Location

Related Publications (2)

  • Berardelli A, Wenning GK, Antonini A, Berg D, Bloem BR, Bonifati V, Brooks D, Burn DJ, Colosimo C, Fanciulli A, Ferreira J, Gasser T, Grandas F, Kanovsky P, Kostic V, Kulisevsky J, Oertel W, Poewe W, Reese JP, Relja M, Ruzicka E, Schrag A, Seppi K, Taba P, Vidailhet M. EFNS/MDS-ES/ENS [corrected] recommendations for the diagnosis of Parkinson's disease. Eur J Neurol. 2013 Jan;20(1):16-34. doi: 10.1111/ene.12022.

    PMID: 23279440BACKGROUND
  • Ma YM, Zhao L. Mechanism and Therapeutic Prospect of miRNAs in Neurodegenerative Diseases. Behav Neurol. 2023 Nov 23;2023:8537296. doi: 10.1155/2023/8537296. eCollection 2023.

Biospecimen

Retention: SAMPLES WITHOUT DNA

The mRNA in blood samples will be transcribed to cDNA.

MeSH Terms

Conditions

Parkinson DiseaseDisease

Condition Hierarchy (Ancestors)

Parkinsonian DisordersBasal Ganglia DiseasesBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesMovement DisordersSynucleinopathiesNeurodegenerative DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Ofer Gonen, MD

    Assaf-Harofeh Medical Center

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 27, 2014

First Posted

November 5, 2014

Study Start

November 1, 2014

Primary Completion

December 1, 2019

Study Completion

December 1, 2019

Last Updated

July 10, 2018

Record last verified: 2018-07

Locations