E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Mutated PI3K colonic adenocarcinoma patients with surgical resection R0 |
Patient atteint d'un adenocarcinome du colon Pi3K muté avec résection chirurgicale R0 |
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E.1.1.1 | Medical condition in easily understood language |
Patient with colon cancer with a mutated gene (PI3K) which has been completely removed by surgery |
Patient présentant un cancer du colon avec un gène muté (gène PI3K) qui a totalement été retiré par chirurgie |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
The primary objective is to assess the effectiveness of aspirin on the disease-free survival at 3 years after curative surgery for colonic adenocarcinoma with PI3K mutation. |
Evaluer l’efficacité de l’aspirine sur la survie sans maladie à 3 ans après chirurgie curative d’un adénocarcinome du côlon avec une mutation PI3K. |
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E.2.2 | Secondary objectives of the trial |
- Disease-free survival at 5 years - Overall survival at 5 years - Compliance to aspirin (Thromboxane B2 measurements and comptability of containers) - Severe bleeding grade 3-4 events and hospitalization according to NCI-CTC grading 4.0 - Adverse event reported and graded according to NCI-CTC grading 4.0
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- Survie sans maladie à 5 ans - Survie globale à 5 ans - Compliance à l’aspirine (dosage de TxB2 sanguin + comptabilité des comprimés) - Hémorragie sévère grade 3-4 (hospitalisation) selon la classification NCI-CTC grade 4.0 - Evènement indésirable grave selon la classification NCI-CTC version 4.0
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
A large biobank of blood of patients with resected colon cancer with PI3K mutations, as a basis for translational research projects. The research projects planned include the identification of circulant tumoral DNA and the quantification of tumoral DNA in blood, every 6 months, during the follow-up. |
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E.3 | Principal inclusion criteria |
1. Age ≥ 18 years 2. Colonic adenocarcinoma stage III 3. Colonic adenocarcinoma stage II high risk MSS: a. T4bN0 or T4a tumour penetrating the surface of the visceral peritoneum; b. or less than 12 nodes evaluated; c. or with at least two of the following criteria: lymphatic involvement, perineural invasion, venous invasion; or diagnosis of bowel obstruction or perforation; or poor differentiated tumour). 4. PI3K mutation, exon 9 or 20 (tumour) 5. Resection R0 6. WHO performance status 0-2 7. Chest and abdominal CT scan ≤ 8 weeks 8. Life expectancy ≥ 3 years 9. Written consent signed
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- Age ≥ 18 ans - Adénocarcinome du côlon de stade III - Adénocarcinome Stade II à haut risque MSS o T4bN0 or T4aN0 tumeur pénétrant la surface du péritoine viscéral o ou moins de 12 ganglions examinés o ou au moins deux des critères suivants : envahissement lymphatique, invasion péri-nerveuse, invasion veineuse ; ou diagnostic sur syndrome occlusif ou sur une perforation ; ou tumeur peu différenciée). - mutation PI3K, exon 9 ou 20 (tumeur) - Résection R0 - OMS 0-2 - Tomodensitométrie thoracique et abdominale datant de moins de 8 semaines. - Espérance de vie ≥ 3 an - Consentement écrit signé
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E.4 | Principal exclusion criteria |
1. Anticoagulant and/or Antiaggregating treatment including clopidogrel 2. Regular aspirin use (> 3 doses per week during more than 3 months the last year) 3. Follow-up of the patient not feasible 4. Contraindication to Aspirin : a. Active or antecedent peptic ulcer b. Allergy to aspirin 5. Severe renal or hepatic insufficiency 6. Pregnancy or nursing ongoing 7. Rectal cancer 8. Hereditary forms (i.e. lynch syndrome patients)
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- Traitement anticoagulants et/ou anti agrégants incluant le clopidogrel - Consommation d’aspirine régulière (plus de 3 prises par semaine pendant au moins 3 mois pendant la dernière année) - Contre-indication à l’aspirine : Allergie à l ‘aspirine, Antécédent d’ulcère gastroduodénal - Insuffisance hépatique ou rénale sévère - Femme enceinte ou allaitante - Cancer du rectum - Forme héréditaire (i.e. syndrome de Lynch) - Suivi impossible
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E.5 End points |
E.5.1 | Primary end point(s) |
The objective is to demonstrate a reduction of 44% on the disease-free survival(DFS) rate at 3 years. DFS is defined as the time from date of randomization to date of first local or distant recurrence, or second colorectal cancer, or death (from any cause), whichever occurred first. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
3 years after the inclusion of the last patient |
3 ans après l'inclusion du dernier patient |
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E.5.2 | Secondary end point(s) |
Secondary endpoints are : - Disease-free survival at 5 years - Overall survival at 5 years - Compliance to aspirin (Thromboxane B2 measurements and comptability of containers) - Severe bleeding grade 3-4 events and hospitalization according to NCI-CTC grading 4.0 - Adverse event reported and graded according to NCI-CTC grading 4.0 |
Les obectifs secondaires sont: - Survie sans maladie à 5 ans - Survie globale à 5 ans - Compliance à l’aspirine (dosage de TxB2 sanguin + comptabilité des comprimés) - Hémorragie sévère grade 3-4 (hospitalisation) selon la classification NCI-CTC grade 4.0 - Evènement indésirable grave selon la classification NCI-CTC version 4.0
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
5 years after the inclusion of the last patient |
5 ans après l'inclusion du dernier patient |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 80 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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lvls |
Dernière visite du dernier patient |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 7 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |