Lung CancerNCT00340847
Construction and Use of Lung Tumor Microarray for the Analysis of Gene Expression in Lung Cancer
An observational study of Lung Cancer, run by National Cancer Institute (NCI) at 1 site in United States.
Trial summary
The proposed research intends to construct a set of tissue microarrays containing different types of normal and lung cancer tissues for the study of genes associated with lung cancer. Read more about this study
- Who is it for?
- Any age
- Conditions the study is for
- Lung Cancer
- How many people
- 500 participants
- Where
- 1 siteUnited States
- Study dates
- 9 Aug 2001to 19 May 2010
- 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 Any age
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Who may be able to join
- The human tissue microarrays will include existing archival tissues of normal lung, non small-cell lung cancer, and combined histological types of lung cancer samples. All tissue samples are already in existence at the Armed Forces Institute of Pathology.
- The primary selection criteria will be the type of cancer, the quality of the tumor block, and the availability of the sample without regard to age, race, ethnic origin, and gender of the patient.
- Only tissue blocks of suitable fixation quality and proper diagnosis will be used to generate the lung tissue microarrays.
Who cannot join
None listed.
Trial locations and contacts
1 site in 1 country.
United States1 site
National Cancer Institute (NCI), 9000 Rockville Pike
Bethesda, Maryland, 20892
About this study
The proposed research intends to construct a set of tissue microarrays containing different types of normal and lung cancer tissues for the study of genes associated with lung cancer. Thus far we have generated a lung cancer tissue arrayusing paraffin embedded archival tissues from 300 lung turmors tissues and 100 adjacent normal tissues. Four- micrometer thickness sections have been cut from the tissue array and were used to survey gene expression status in arrayed tumors using immunohistochemistry methody. We are currently performing IHC studies ot 1) determine protein expression and its correlation with gene expression patterms ovserved using cDNA arrays. 2) Analyze protein expression in the chromosome remodeling pathyway in non-small cell lung cancer. And 3) determine the association of gene expression with lung tumor stage and clinical outcome. The current protocol is needed to complete the above studies and for the production of neuroendocrine tumors.
Read the detailed description
The proposed research intends to construct a set of tissue microarrays containing different types of lung cancer tissues for the study of genes associated with lung cancer. In this study, lung tissue arrays will be generated using paraffin embedded archival tissues containing adjacent normal tissues and tumors from approximately 300 non-small cell lung cancers and 100 neuroendocrine tumors of the lung. Corded tissues of 0.6 um in diameter will be taken from each tumor and arrayed onto recipient paraffin blocks to generate a lung tumor specific microarray. Four-micrometer thickness sections will be cut from the tissue array and used to survey gene expression status in arrayed tumors using fluorescence in situ hybridization (FISH, in situ hybridization, and/or immunohistochemistry methods. Additionally, approximately 20 sections will be cut from each primary tumor block to isolate genomic DNA for the analysis of genetic changes in the arrayed tumor samples. The goals of this proposal are 1) to generate a single tissue block containing multiple tumors, 2) allow rapid and efficient analysis of gene expressions in a large number of samples using a single tissue section, and 3) to correlate the molecular changes in the tumors with the clinical and pathological features of the disease. Due to the experimental nature of the research and the fact that all tumors obtained are archival tissues at AFIP, the investigators will not report the result of gene expression back to the subject.
To date, all samples needed for the protocol have been reached and there will be no more patient accrual but survival status of the patients as well as molecular analysis using the constructed lung tissue microarrays will continue for the foreseeable future.
- Conditions
- Lung Cancer
- Keywords
- Molecular Profiling, In Situ Hybridization, SAGE, Tumor Markers, IHC, Lung Cancer, Genetics
- Medical subject headings
- Lung Neoplasms
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted21 Jun 2006 (estimated)
- Study start9 Aug 2001
- Study completion19 May 2010
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Lung CancerStudies of the same condition, open and under way.
- More trials run by National Cancer Institute (NCI)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Enrolment
- 500 participants (estimated)
Sponsor and investigators
- Lead sponsor
- National Cancer Institute (NCI)
- Sponsor type
- US National Institutes of Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00340847
- Sponsor's protocol ID
- 999901233
- Other IDs
- 01-C-N233
- Status last verified
- 19 May 2010
- First submitted
- 19 Jun 2006
- Last updated
- 2 Jul 2017
- Results posted
- No
Study at a glance
From the registry record, last updated by the sponsor on 2 Jul 2017. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Construction and Use of Lung Tumor Microarray for the Analysis of Gene Expression in Lung Cancer
- ClinicalTrials.gov ID
- NCT00340847
- Acronym / sponsor ID
- 999901233
- Conditions
- Lung Cancer
- Keywords
- Molecular Profiling, In Situ Hybridization, SAGE, Tumor Markers, IHC, Lung Cancer, Genetics
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 500 participants (estimated)
- Lead sponsor
- National Cancer Institute (NCI)US National Institutes of Health
- Study start
- 9 Aug 2001
- Study completion
- 19 May 2010
- First posted
- 21 Jun 2006 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The proposed research intends to construct a set of tissue microarrays containing different types of normal and lung cancer tissues for the study of genes associated with lung cancer. Thus far we have generated a lung cancer tissue arrayusing paraffin embedded archival tissues from 300 lung turmors tissues and 100 adjacent normal tissues. Four- micrometer thickness sections have been cut from the tissue array and were used to survey gene expression status in arrayed tumors using immunohistochemistry methody. We are currently performing IHC studies ot 1) determine protein expression and its correlation with gene expression patterms ovserved using cDNA arrays. 2) Analyze protein expression in the chromosome remodeling pathyway in non-small cell lung cancer. And 3) determine the association of gene expression with lung tumor stage and clinical outcome. The current protocol is needed to complete the above studies and for the production of neuroendocrine tumors.
Detailed description
The proposed research intends to construct a set of tissue microarrays containing different types of lung cancer tissues for the study of genes associated with lung cancer. In this study, lung tissue arrays will be generated using paraffin embedded archival tissues containing adjacent normal tissues and tumors from approximately 300 non-small cell lung cancers and 100 neuroendocrine tumors of the lung. Corded tissues of 0.6 um in diameter will be taken from each tumor and arrayed onto recipient paraffin blocks to generate a lung tumor specific microarray. Four-micrometer thickness sections will be cut from the tissue array and used to survey gene expression status in arrayed tumors using fluorescence in situ hybridization (FISH, in situ hybridization, and/or immunohistochemistry methods. Additionally, approximately 20 sections will be cut from each primary tumor block to isolate genomic DNA for the analysis of genetic changes in the arrayed tumor samples. The goals of this proposal are 1) to generate a single tissue block containing multiple tumors, 2) allow rapid and efficient analysis of gene expressions in a large number of samples using a single tissue section, and 3) to correlate the molecular changes in the tumors with the clinical and pathological features of the disease. Due to the experimental nature of the research and the fact that all tumors obtained are archival tissues at AFIP, the investigators will not report the result of gene expression back to the subject.
To date, all samples needed for the protocol have been reached and there will be no more patient accrual but survival status of the patients as well as molecular analysis using the constructed lung tissue microarrays will continue for the foreseeable future.
Study design
Who may qualify
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
Key inclusion criteria (3 listed)
- The human tissue microarrays will include existing archival tissues of normal lung, non small-cell lung cancer, and combined histological types of lung cancer samples. All tissue samples are already in existence at the Armed Forces Institute of Pathology.
- The primary selection criteria will be the type of cancer, the quality of the tumor block, and the availability of the sample without regard to age, race, ethnic origin, and gender of the patient.
- Only tissue blocks of suitable fixation quality and proper diagnosis will be used to generate the lung tissue microarrays.
Key exclusion criteria (0 listed)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 2 Jul 2017.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Lung Cancer, run by National Cancer Institute (NCI) at 1 site in United States.
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 3 inclusion and 0 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 2 Jul 2017. 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 United States. 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.
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 2 Jul 2017.