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Prevention of Oesophagus Cancer and Stomach CancerENgAGE-UKNCT03743883

EffectiveNess of Low-dose Aspirin in Prevention of Cancer in the Stomach and Oesophagus (GastrointEstinal Cancer Prevention) - United Kingdom ("ENgAGE - UK"): Study to Evaluate the Risk of Cancer in the Stomach and Oesophagus Among New Users of Low-dose Aspirin Using the THIN Database in the UK

An observational study of Prevention of Oesophagus Cancer and Stomach Cancer, run by Bayer at 1 site in United Kingdom.

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

Researchers already did studies in low-dose Aspirin for the prevention of heart and blood vessels disease and for the prevention of cancer of the colorectum. In this study, they want to learn whether an effect for the prevention of oesophagus cancer and stomach cancer goes along with the use of low-dose ASA on… Read more about this study

Who is it for?
Ages 40 to 89 years
What is being tested?
Acetylsalicylic Acid(BAYE4465, Aspirin )
How many people
99,999 participants
Where
1 siteUnited Kingdom
Study dates
30 Oct 2018to 31 May 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 40 to 89 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: The source population will be constituted (inclusion criteria) by individuals who are aged 40-89 years in the THIN database in the UK, who are enrolled with the primary care doctor (PCP) for at least 2 years, or have a history of computerized prescriptions for at least 1 year prior to start date and who are free of low-dose ASA and cancer to become a member of the source population.

Who may be able to join

  • Aged 40-89 years
  • Enrolled with the PCP for at least 2 years
  • To have a history of computerized prescriptions in THIN for at least 1 year prior to start date

Who cannot join

  • To be exposed to low-dose ASA before entering in the study
  • Having a diagnosis of any cancer before entering in the study

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • Many locations

    Multiple Locations

Other trials in United Kingdom

About this study

Official title: Effectiveness of Low-dose Aspirin in Gastrointestinal Cancer Prevention -United Kingdom ("ENgAGE - UK"): A Cohort Study on the Risk of Gastric and Oesophageal Cancer Among New Users of Low-dose Aspirin Using the THIN Database in the UK

Researchers already did studies in low-dose Aspirin for the prevention of heart and blood vessels disease and for the prevention of cancer of the colorectum. In this study, they want to learn whether an effect for the prevention of oesophagus cancer and stomach cancer goes along with the use of low-dose ASA on patients taking this medicine for the prevention of heart and blood vessels disease compared to non-use. To find this out electronic medical records stored in primary care database in the UK, The Health Improvement Network (THIN), will be used.

Being tested
Acetylsalicylic Acid(BAYE4465, Aspirin )
Medical subject headings
Stomach Neoplasms

What participants receive

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

  • Acetylsalicylic Acid(BAYE4465, Aspirin )Drug

    Administration according to clinical practice

Study groups in NCT03743883
Study groupRoleWhat they receive
Low-dose ASA cohortA person is identified as newly exposed to low-dose ASA, he/she will become member of new user low-dose ASA cohort and that date will be the start date for outcome follow-up.
Receives: Drug: Acetylsalicylic Acid(BAYE4465, Aspirin )
Comparison unexposed cohortWhen a member of new user low-dose ASA cohort is confirmed, one comparison member will be confirmed also from the source population not yet censored on that day (start date) and with the same distribution of matching factors (age, sex, time interval since entry date and number of PCP visits in the year prior to start date) of its low-dose ASA pair with the only difference of being free of ASA on start date.

What is being measured

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

  1. Incidence rates of oesophageal cancer and stomach cancer with use of low-dose ASA overall compared to non-use

    Diagnosis of cancer is routinely recorded by means of Read codes in THIN database

    Measured: Retrospective analysis between 1-Jan-2005 and 31-Dec-2017

  2. Incidence rates of oesophageal cancer and stomach cancer with use of low-dose ASA by age compared to non-use

    Age: 40-64 years, 65-74 years and 75 and more years.

    Measured: Retrospective analysis between 1-Jan-2005 and 31-Dec-2017

  3. Incidence rates of oesophageal cancer and stomach cancer with use of low-dose ASA by sex-specific compared to non-use

    Sex: Male, Female

    Measured: Retrospective analysis between 1-Jan-2005 and 31-Dec-2017

Secondary outcomes (5)
  1. Incidence of oesophageal cancer and stomach cancer among new users of low-dose ASA

    Measured: Retrospective analysis between 1-Jan-2005 and 31-Dec-2017

  2. Duration of low-dose ASA

    Duration of treatment will be calculated among current users.

    Measured: Retrospective analysis between 1-Jan-2005 and 31-Dec-2017

  3. Dose-response of low-dose ASA

    The following daily doses will be ascertained: 75 mg, 150 mg and 300 mg.

    Measured: Retrospective analysis between 1-Jan-2005 and 31-Dec-2017

  4. Number of case-fatality of oesophageal cancer and stomach cancer among new users of low-dose ASA

    Measured: Retrospective analysis between 1-Jan-2005 and 31-Dec-2017

  5. Incidence of oesophageal cancer and stomach cancer among new users of low-dose ASA for primary or secondary cardiovascular prevention

    The primary and secondary cardiovascular prevention population of low-dose ASA users will be defined using a computer algorithm ascertaining any recorded Read code suggestive of cardiovascular disease (CVD).

    Measured: Retrospective analysis between 1-Jan-2005 and 31-Dec-2017

Timeline

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

  1. First posted16 Nov 2018
  2. Study start30 Oct 2018
  3. Primary completion15 Apr 2019
  4. Study completion31 May 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
Retrospective
Enrolment
99,999 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03743883
Sponsor's protocol ID
20326
Acronym
ENgAGE-UK
Status last verified
May 2020
First submitted
14 Nov 2018
Last updated
1 Jun 2020
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided: Availability of this study's data will be determined according to Bayer's commitment to the EFPIA/PhRMA "Principles for responsible clinical trial data sharing". This pertains to scope, timepoint and process of data access. As such, Bayer commits to sharing upon request from qualified researchers patient-level clinical trial data, study-level clinical trial data, and protocols from clinical trials in patients for medicines and indications approved in the US and EU as necessary for conducting legitimate research. This applies to data on new medicines and indications that have been approved by the EU and US regulatory agencies on or after January 01, 2014. Interested researchers can use www.clinicalstudydatarequest.com to request access to anonymized patient-level data and supporting documents from clinical studies to conduct research. Information on the Bayer criteria for listing studies and other relevant information is provided in the Study sponsors section of the portal.

Questions about this trial

What is this clinical trial studying?

An observational study of Prevention of Oesophagus Cancer and Stomach Cancer, run by Bayer at 1 site in United Kingdom.

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 2 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 1 Jun 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 United Kingdom. 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?

Incidence rates of oesophageal cancer and stomach cancer with use of low-dose ASA overall compared to non-use (time frame: Retrospective analysis between 1-Jan-2005 and 31-Dec-2017). The study lists 3 primary outcomes in all. 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 1 Jun 2020.

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