Nonpolypoid Colorectal Neoplasms(NP-CRN)NCT01533311
Prevalence and Characteristics of Nonpolypoid Colorectal Neoplasms - A Chinese Cohort Study
An observational study of Nonpolypoid Colorectal Neoplasms(NP-CRN), run by Shanghai Jiao Tong University School of Medicine.
Trial summary
The nonpolypoid colorectal neoplasms (NP-CRNs) are relatively common in patients with gastrointestinal alarm systoms. The depressed lesions have a greater risk of having cancer than flat and polypoid lesions. Read more about this study
- Who is it for?
- Ages 18 to 90 years
- Conditions the study is for
- Nonpolypoid Colorectal Neoplasms(NP-CRN)
- How many people
- 1,342 participants
- Where
- No sites listed yet
- Study dates
- Jan 2009to Dec 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 18 to 90 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: consecutive adult patients undergo colonoscopy by one endoscopist from Jan 2009 to Dec 2010
Who may be able to join
- consecutive adult patients undergo colonoscopy by one endoscopist
Who cannot join
None listed.
About this study
The nonpolypoid colorectal neoplasms (NP-CRNs) are relatively common in patients with gastrointestinal alarm systoms. The depressed lesions have a greater risk of having cancer than flat and polypoid lesions.
- Conditions
- Nonpolypoid Colorectal Neoplasms(NP-CRN)
- Keywords
- nonpolypoid colorectal neoplasms(NP-CRN), prevalence, histology
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted15 Feb 2012 (estimated)
- Study startJan 2009
- Primary completionDec 2010
- Study completionDec 2010
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Nonpolypoid Colorectal Neoplasms(NP-CRN)Studies of the same condition, open and under way.
- More trials run by Shanghai Jiao Tong University School of MedicineThe 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
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 1,342 participants (actual)
Sponsor and investigators
- Lead sponsor
- Shanghai Jiao Tong University School of Medicine
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Xiaobo Li, Shanghai Jiao Tong University School of Medicine
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01533311
- Sponsor's protocol ID
- rjxhnk03
- Status last verified
- Feb 2012
- First submitted
- 11 Feb 2012
- Last updated
- 15 Feb 2012
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 15 Feb 2012. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Prevalence and Characteristics of Nonpolypoid Colorectal Neoplasms - A Chinese Cohort Study
- ClinicalTrials.gov ID
- NCT01533311
- Acronym / sponsor ID
- rjxhnk03
- Conditions
- Nonpolypoid Colorectal Neoplasms(NP-CRN)
- Keywords
- nonpolypoid colorectal neoplasms(NP-CRN), prevalence, histology
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 1,342 participants (actual)
- Lead sponsor
- Shanghai Jiao Tong University School of MedicineUniversity, hospital or other
- Study start
- Jan 2009
- Primary completion
- Dec 2010 (actual)
- Study completion
- Dec 2010 (actual)
- First posted
- 15 Feb 2012 (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 nonpolypoid colorectal neoplasms (NP-CRNs) are relatively common in patients with gastrointestinal alarm systoms. The depressed lesions have a greater risk of having cancer than flat and polypoid lesions.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
Who may qualify
- Ages
- 18 to 90 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- consecutive adult patients undergo colonoscopy by one endoscopist from Jan 2009 to Dec 2010
Key inclusion criteria (1 listed)
- consecutive adult patients undergo colonoscopy by one endoscopist
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 15 Feb 2012.
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.
Questions about this trial
What is this clinical trial studying?
An observational study of Nonpolypoid Colorectal Neoplasms(NP-CRN), run by Shanghai Jiao Tong University School of Medicine.
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 1 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 15 Feb 2012. Status can change between updates, so confirm with the study contact before making plans.
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 15 Feb 2012.