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Paraneoplastic Neurological SyndromeNCT04454853

Methylated DNA Detect in Paraneoplastic Syndrome of Nervous System

An observational study of Paraneoplastic Neurological Syndrome, run by Peking University Third Hospital at 1 site in China.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to verify whether the cell-free DNA of lung cancer in the blood can be used as a biomarker for early diagnosis and prognosis evaluation of patient with paraneoplastic syndrome of the nervous system. Read more about this study

Who is it for?
Ages 18 to 75 years
Conditions the study is for
Paraneoplastic Neurological Syndrome
What is being tested?
Lung cancer, Suspected lung cancer and Positive methylated DNA
How many people
40 participants
Where
1 siteChina
Study dates
1 Dec 2017to 1 Jul 2019
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: We recruited consecutive patients with paraneoplastic syndrome.

Who may be able to join

  • The agnogenic typical neurological syndromes (including encephalomyelitis, marginal encephalitis, subacute cerebellar degeneration, strabismus ocular clonic-myoclonus, subacute sensory neuron disease, Lambert-Eaton myasthenic syndrome, skin Myositis, etc.) patient who predisposed to a tumor.
  • Pathologically confirmed as lung cancer or suggested as lung cancer patient by imaging (pulmonary CT/Positron Emission Tomography-CT), tumor biomarkers, anti-brain tissue antibodies, etc.

Who cannot join

  • Lacunar infarction
  • Aortic atherosclerotic cerebral infarction
  • Clear cardiogenic cerebral infarction
  • Other related system diseases (arteritis, vascular dissection, migraine and vasospasm, etc.)

Trial locations and contacts

1 site in 1 country.

China1 site
  • Peking University Third Hospital

    Beijing

Other trials in China

About this study

Official title: A Research of Value of Free Methylated DNA Detect in Lung Cancer on the Diagnosis and Treatment of Paraneoplastic Syndrome of Nervous System

The purpose of this study is to verify whether the cell-free DNA of lung cancer in the blood can be used as a biomarker for early diagnosis and prognosis evaluation of patient with paraneoplastic syndrome of the nervous system.

Read the detailed description

Paraneoplastic neurological syndrome (PNS) is a clinical syndrome that affects the central nervous system, peripheral nerves, neuromuscular junctions and muscles by the distant influence of the tumor. No tumor cells are visible in the neuropathy. The disease is a rare clinical syndrome, and lung cancer is the most common type of tumor that causes PNS.If PNS can be diagnosed when there are no tumor symptoms, not only can the cause of PNS be identified, but early tumors can be found for treatment time, and measures can be taken in the early stages of the tumor to improve survival. Tumor free DNA (cell-free DNA, cfDNA) methylation detection is to determine the cancer condition and cancer type of the subject by detecting the methylation of free DNA released by tumor cells. In normal cells, tumor suppressor genes are expressed and proto-oncogenes are silenced; in tumor cells, tumor suppressor genes are hypermethylated and silenced, and oncogenes are hypomethylated and activated. The release of free DNA into the blood will be quickly cleared in tens of minutes to several hours, which can reflect the body's cell damage in real time, and is of great significance for monitoring the early occurrence and development of the disease. At present, the sensitivity of lung cancer cf-DNA detection technology is close to 100%, and the specificity is 94%, which is an effective detection technology for early detection of lung cancer.

Being tested
Lung cancer, Suspected lung cancer, Positive methylated DNA
Keywords
Paraneoplastic neurological syndrome; Cell-free DNA

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Lung cancerOther

    Paraneoplastic neurological syndrome (PNS) is a clinical syndrome that affects the central nervous system, peripheral nerves, neuromuscular junctions and muscles by the distant influence of the tumor. No tumor cells are visible at the neuropathy site.

  • Suspected lung cancerOther

    Paraneoplastic neurological syndrome (PNS) is a clinical syndrome that affects the central nervous system, peripheral nerves, neuromuscular junctions and muscles by the distant influence of the tumor. No tumor cells are visible at the neuropathy site.

  • Positive methylated DNAOther

    Tumor-free DNA (cfDNA) methylation detection is to determine the cancer condition and cancer type of the subject by detecting the methylation of free DNA released by tumor cells.

Study groups in NCT04454853
Study groupRoleWhat they receive
Lung cancer with positive methylated DNABlood DNA methylation abnormalities are found in lung cancer.
Receives: Other: Lung cancer; Other: Positive methylated DNA
Lung cancer with negative methylated DNABlood DNA methylation abnormalities are not found in lung cancer.
Receives: Other: Lung cancer
Suspected lung cancer with positive methylated DNABlood DNA methylation abnormalities are found in suspected lung cancer.
Receives: Other: Suspected lung cancer; Other: Positive methylated DNA
Suspected lung cancer with negative methylated DNABlood DNA methylation abnormalities are not found in suspected lung cancer.
Receives: Other: Suspected lung cancer

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Level of cf-DNA

    Tumor-free DNA (cfDNA) methylation detection is to determine the cancer condition and cancer type of the subject by detecting the methylation of free DNA released by tumor cells.

    Measured: 1 year after recruitment

Secondary outcomes (4)
  1. Changes of mRS score

    Documentation in the medical record of a Modified Rankin Score (mRS). The Modified Rankin Score (mRS) is a 6 point disability scale with possible scores ranging from 0 to 5. A separate category of 6 is usually added for patients who expire. The Modified Rankin Score (mRS) is the most widely used outcome measure in stroke clinical trials. Standardized interviews to obtain a mRS score are recommended at 3 months (90 days) following hospital discharge.

    Measured: 1 year after recruitment

  2. Survival time

    The time interval from disease diagnosis to death

    Measured: 1 years after recruitment

  3. 1-year mortality rate

    The rate of death among all the inclusion patients after 1 year

    Measured: 1 year after recruitment

  4. Incidence of lung cancer

    The rate of lung cancer occurence among all the inclusion patients

    Measured: 1 year after recruitment

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Jul 2020
  2. Study start1 Dec 2017
  3. Primary completion1 Jul 2019
  4. Study completion1 Jul 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04454853
Sponsor's protocol ID
PUTH2017351
Status last verified
Jul 2020
First submitted
29 Jun 2020
Last updated
7 Jul 2020
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Paraneoplastic Neurological Syndrome, run by Peking University Third Hospital at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 7 Jul 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Level of cf-DNA (time frame: 1 year after recruitment). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Jul 2020.

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