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Colorectal CancerPhase 3ASPIK FrenchNCT02945033

Study on Aspirin Versus Placebo in Resected Colon Cancer With PI3K Mutation Stage III or II High Risk

A Phase 3 study testing aspirin intake, Surgical resection of colonic adenocarcinoma stage III or II high risk and Molecular analysis of exon 9 and 20 of PI3K in people with Colorectal Cancer, run by University Hospital, Rouen at 1 site in France.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

Four retrospective studies were recently published on efficacy of aspirin in patients with surgically resected colon cancer. Two of these studies strongly suggested that aspirin used in low doses (100 mg/d) after surgical resection of colorectal cancer with PI3K mutation could act as a targeted therapy with a major… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Colorectal Cancer
What is being tested?
aspirin intake, Surgical resection of colonic adenocarcinoma stage III or II high risk and Molecular analysis of exon 9 and 20 of PI3K
Type of treatment
Surgery or procedure
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
264 participants
Where
1 siteFrance
Study dates
12 Jul 2018to Jul 2028
Phase
Phase 3
Are there results?
Not yet: the study is under way

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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age ≥ 18 years
  • Colonic adenocarcinoma stage III
  • Colonic adenocarcinoma stage II high risk MSS:
  • T4bN0 or T4aN0 tumour penetrating the surface of the visceral peritoneum
  • or less than 12 nodes evaluated;
  • or with at least two of the following criteria:lymphatic involvement, perineural invasion, venous invasion
Show all 13Show fewer
  • or diagnosis of bowel obstruction or perforation; or poor differentiated tumour.
  • PI3K mutation, exon 9 or 20 (tumour)
  • Resection R0
  • WHO performance status 0-2
  • Chest and abdominal CT scan ≤ 8 weeks
  • Life expectancy ≥ 3 years
  • Written consent signed

Who cannot join

  • Anticoagulant and/or Antiaggregating treatment including clopidogrel
  • Regular aspirin use (> 3 doses per week during more than 3 months the last year)
  • Contraindication to Aspirin : Allergy to aspirin, Active or antecedent peptic ulcer
  • Severe renal or hepatic insufficiency
  • Pregnancy or nursing ongoing
  • Rectal cancer
  • Hereditary forms (i.e. lynch syndrome patients)
  • Follow-up of the patient not feasible

Trial locations and contacts

1 site in 1 country.

France1 site
  • Rouen University Hospital

    Rouen

Other trials in France

About this study

Official title: French Prospective Randomised Double Blind Study, on Aspirin Versus Placebo in Resected Colon Cancer With PI3K Mutation

Four retrospective studies were recently published on efficacy of aspirin in patients with surgically resected colon cancer. Two of these studies strongly suggested that aspirin used in low doses (100 mg/d) after surgical resection of colorectal cancer with PI3K mutation could act as a targeted therapy with a major protective effect on the risk of recurrence. The other two studies did not confirm the benefit of aspirin in this situation. These four retrospective studies provide an insufficient level of evidence to demonstrate the benefit of low-dose aspirin as adjuvant to surgery for colorectal cancer. Therefore, it is necessary as recommended in the conclusion of these studies and meta-analyses to perform a randomised prospective study to validate these data.

Being tested
aspirin intake, placebo intake, Surgical resection of colonic adenocarcinoma stage III or II high risk, Molecular analysis of exon 9 and 20 of PI3K, blood intake
Keywords
Pi3k mutation, Aspirin
Medical subject headings
Colorectal Neoplasms

What participants receive

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

  • aspirin intakeDrug

    Patient with colonic adenocarcinoma stage III or II high risk will take aspirin 100 mg/day during 3 years

  • placebo intakeDrug

    Patient with colonic adenocarcinoma stage III or II high risk will take placebo of aspirin 100 mg/day during 3 years

  • Surgical resection of colonic adenocarcinoma stage III or II high riskProcedure or surgery

    Surgical resection of colonic adenocarcinoma stage III or II high risk will be done in accordance with local guidelines

  • Molecular analysis of exon 9 and 20 of PI3KBiological

    Molecular analysis of exon 9 and 20 of PI3K will be done using operative piece

  • blood intakeBiological

    Blood intake will be done every 6 months to evaluate patient compliance to treatment

Study groups in NCT02945033
Study groupRoleWhat they receive
Patient with aspirin intakeExperimentalSurgical resection of colonic adenocarcinoma stage III or II high risk will be done in accordance with local guidelines. Molecular analysis of exon 9 and 20 of PI3K will be done using operative piece. If the mutation is detected, patient with colonic adenocarcinoma stage III or II high risk will take aspirin 100 mg/day during 3 years. Blood intake will be done every 6 months to evaluate patient compliance to treatment
Receives: Drug: aspirin intake; Procedure: Surgical resection of colonic adenocarcinoma stage III or II high risk; Biological: Molecular analysis of exon 9 and 20 of PI3K; Biological: blood intake
Patient with placebo intakePlacebo comparatorSurgical resection of colonic adenocarcinoma stage III or II high risk will be done in accordance with local guidelines. Molecular analysis of exon 9 and 20 of PI3K will be done using operative piece. If the mutation is detected, patient with colonic adenocarcinoma stage III or II high risk will take placebo of aspirin 100 mg/day during 3 years. Blood intake will be done every 6 months to evaluate patient compliance to treatment
Receives: Drug: placebo intake; Procedure: Surgical resection of colonic adenocarcinoma stage III or II high risk; Biological: Molecular analysis of exon 9 and 20 of PI3K; Biological: blood intake

What is being measured

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

  1. Number of patient with local or distant recurrence or second colorectal cancer or death from any cause, whichever occurred first

    Measured: 3 years

Secondary outcomes (5)
  1. Number of patient with local or distant recurrence or second colorectal cancer or death from any cause, whichever occurred first

    Measured: 5 years

  2. Number of alive patient

    Measured: 5 years

  3. Number of pills taken by the patient for compliance evaluation

    Number of pills taken by the patient will be assess in order to evaluate patient's compliance

    Measured: every 6 months during 3 years

  4. Number of severe bleeding grade 3-4 events

    Measured: 3 years

  5. Number of participants with treatment-related adverse events

    Number of participants with treatment-related adverse events as assessed by CTCAE v4.0

    Measured: 3 years

Timeline

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

  1. First posted26 Oct 2016 (estimated)
  2. Study start12 Jul 2018
  3. Primary completionJul 2028 (estimated)
  4. Study completionJul 2028 (estimated)

Resources

More details

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

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
264 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02945033
Sponsor's protocol ID
2015/222/HP
Acronym
ASPIK French
Status last verified
Jun 2026
First submitted
20 Oct 2016
Last updated
15 Jun 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing aspirin intake, Surgical resection of colonic adenocarcinoma stage III or II high risk and Molecular analysis of exon 9 and 20 of PI3K in people with Colorectal Cancer, run by University Hospital, Rouen at 1 site in France.

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 13 inclusion and 8 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: under way, not looking for participants, as of the sponsor's last update on 15 Jun 2026. 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 France. 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. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

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?

Number of patient with local or distant recurrence or second colorectal cancer or death from any cause, whichever occurred first (time frame: 3 years). 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 15 Jun 2026.

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