Evaluation of Accuracy of One-Step Nucleic Acid Amplification (OSNA) in Diagnosis of Lymph Node Metastases of Papillary Thyroid Carcinoma

March 23, 2019 updated by: Fabio Medas, University of Cagliari
The incidence of node metastases in papillary thyroid carcinoma (PTC) is high, ranging from 20% to 90%. Prophylactic central lymph node compartment dissection (CLND), suggested from the latest guidelines for high-risk tumors, meets resistance due to the high incidence of postoperative complications. Recently, new molecular biologic techniques, such as One Step Nucleic Acid Amplification (OSNA), have spread widely, allowing to quickly isolate, amplify and quantify mRNA encoding for proteins selectively present in neoplastic cells, as Cytokeratine-19. The aim of this study is to evaluate the application of OSNA to intraoperative diagnosis of node metastases of PTC.

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Detailed Description

Papillary thyroid carcinoma (PTC) is the most common malignant thyroid neoplasm; it originates from follicular cells of thyroid gland, and represents over 80% of thyroid tumors. The incidence of PTC has progressively been increasing in the last decades, doubling since the 1970s, due to the diffusion of screening ultrasound. Although PTCs are considered slow-growing tumors, the incidence of node metastases is high, ranging from 20% to 90%. The real impact of node metastases on prognosis is still a matter of debate: reports in literature demonstrate a reduction of disease-free survival but are divergent on overall survival. Diagnostic tools have poor accuracy for central lymph node compartment, which is the most frequent site of metastases.

The last guidelines suggest a prophylactic central lymph node compartment dissection (CLND) in patients with high-risk PTC; nevertheless, this indication meets resistance due to the higher incidence of postoperative complications, especially hypoparathyroidism and recurrent laryngeal nerve (RLN) palsy.

Recently, new molecular biologic techniques have spread widely, mainly in diagnosis of node metastases in breast carcinoma; these assays allow to quickly isolate, amplify and quantify mRNA encoding for proteins selectively present in neoplastic cells, as Cytokeratine-19 (CK-19). One Step Nucleic Acid Amplification (OSNA) is routinely used in diagnosis of node metastasis in sentinel lymph node (SNL) of patients affected from breast cancer. The aim of this study is to evaluate if application of OSNA to intraoperative diagnosis of node metastases of PTC is possible.

Study Type

Observational

Enrollment (Anticipated)

50

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Italy
    • Cagliari
      • Monserrato, Cagliari, Italy, 09040
        • Recruiting
        • Policlinico di Monserrato
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients with preoperative cytological diagnosis of papillary thyroid carcinoma (Tir4-Tir5)

Description

Inclusion Criteria:

Preoperative diagnosis of thyroid carcinoma

Exclusion Criteria:

-

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Accuracy of OSNA
Time Frame: 1 day
Measurement of OSNA accuracy
1 day

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Cagliari

Investigators

  • Principal Investigator: Pietro Giorgio Calò, University of Cagliari

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 20, 2016

Primary Completion (Anticipated)

April 1, 2019

Study Completion (Anticipated)

September 30, 2019

Study Registration Dates

First Submitted

March 23, 2019

First Submitted That Met QC Criteria

March 23, 2019

First Posted (Actual)

March 26, 2019

Study Record Updates

Last Update Posted (Actual)

March 26, 2019

Last Update Submitted That Met QC Criteria

March 23, 2019

Last Verified

March 1, 2019

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • NP20164594

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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