E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Colorectal cancer with a recent confirmed diagnosis (less than 48h) |
Cáncer colorrectal con un diagnóstico confirmado reciente (menos de 48h) |
|
E.1.1.1 | Medical condition in easily understood language |
colorectal cancer |
cáncer colorrectal |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10061451 |
E.1.2 | Term | Colorectal cancer |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
|
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
to perform a study of acetylsalicylic acid by using a proteomic assay for comparing platelet COX-1 and colorectal cancer mucosal COX-1 and COX-2 after different doses of acetylsalicylic acid |
evaluar, mediante un ensayo proteómico, el efecto directo de dosis diferentes de ácido acetilsalicílico sobre COX-1 y COX-2 en plaquetas, tejido colonice sano y tumoral como biomarcadores de eficiencia clínica |
|
E.2.2 | Secondary objectives of the trial |
measurement of PGE2 and p-S6 levels in colorectal cancer mucosa, assessment of indirect biomarkers of acetylsalicylic acid action (serum TXB2, PFA and urinary levels of 11-dehydro-TXB2, (TX-M)), evaluation of systemic biomarkers of inflammatory/tumorigenic COX-2 by assessing urinary levels of major metabolite of PGE2 (PGE-M) |
evaluar el efecto del ácido acetilsalicílico en los niveles de PGE2 y p-S& en la mucosa del cáncer colorrectal, estudiar el efecto sobre biomarcadores indirectos de su acción a nivel sistémico (TXB2, PFA y niveles urinarios de 11-deshidro-TXB2 (TX-M)) y analizar biomarcadores sistémicos de actividad de COX-2 inflamatoria/tumorigénica mediante la evaluación de niveles urinarios del principal metabolito de PGE2 (PGE-M) |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Age from 18 to 80 years old - Recent diagnosis (less than 48h) of colorectal cancer by endoscopy and confirmed by anatomopathological study - normal hematologic, biochemical, and coagulation values |
- edad entre 18 y 80 años - diagnóstico reciente (menos de 48h) de cáncer colorrectal mediante endoscopia y confirmado por estudio anatomopatológico - parámetros hematológicos, bioquímicos y de coagulación normales |
|
E.4 | Principal exclusion criteria |
- Allergy to AAS or to any other NSAID. - Rectal cancer requiring neoadjuvant treatment wthin the two weeks following the beginning of ASA treatment. - Previous use of AAS, NSAIDs, antiplatelet agents, corticosteroids or misoprostol within the 15 days prior to diagnosis and/or anticipation of need for treatment with any of these drugs during the study period. History of peptic ulcer disease or active peptic ulcer or any other GI disease that may be considered a contraindication to the use of ASA, without the concomitant use of proton pump inhibitors. - Diagnosis of bleeding disorders. - Diagnosis of cancer (excluding non-melanoma skin cancer) during the previous 3 years. - Conditions supposing serious comorbidity, excluding diabetes, and including respiratory, cardiac, hepatic and renal diseases. - Active smoking. - Pregnancy or breastfeeding. - History of drug or alcohol abuse. |
- Alergia a AAS o a algún otro AINE. - Cáncer rectal que requiera tratamiento neoadyuvante en las dos semanas siguientes al inicio del tratamiento con AAS. - Uso previo de AAS, AINEs, agentes antiplaquetarios, corticosteroides o misoprostol en los 15 días anteriores al diagnóstico y/o previsión de necesidad de tratamiento con alguno de estos fármacos durante el periodo de estudio. - Historia de úlcera péptica o úlcera péptica activa o cualquier otra enfermedad GI que pueda considerarse contraindicación para el uso de AAS, sin el uso concomitante de inhibidores de la bomba de protones. - Diagnóstico de trastornos hemorrágicos. - Diagnóstico de cáncer (excluyendo cáncer de piel no melanoma) en los 3 años previos. - Condiciones que supongan comorbilidad grave, excluyendo diabetes, e incluyendo enfermedades respiratorias, cardiacas, hepáticas y renales. - Tabaquismo activo. - Situación de embarazo o lactancia. - Historia de consumo de drogas o abuso de alcohol. |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Assessment of acetylation level of COX enzymes in platelets and non-neoplastic and neoplastic colonic tissues |
Evaluación del nivel de acetilación de las enzimas COX en plaquetas y tejido colónico sano y tumoral |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
before the beginning of the treatment and 3-4 weeks of acetylsalicylic acid treatment |
antes del comienzo del tratamiento y tras 3-4 semanas de tratamiento con ácido acetilsalicílico |
|
E.5.2 | Secondary end point(s) |
assessment of PGE2 level and S6 protein phosphorylation state in colorectal mucosa depending on AAS dosis and assessment of dosis effect e¡over indirect biomarkers |
Evaluación del nivel de PGE2 y del estado de fosforilación de la proteína S6 en mucosa colorrectal dependiendo de la dosis de AAS y evaluación del efecto de la dosis de AAS sobre biomarcadores indirectos a nivel sistémico |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
before the beginning of the treatment and 3-4 weeks of acetylsalicylic acid treatment |
antes del comienzo del tratamiento y tras 3-4 semanas de tratamiento con ácido acetilsalicílico |
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | Yes |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | No |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
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) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
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 | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
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 | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
diferentes dosis del mismo producto |
different dosage of the same product |
|
E.8.2.4 | Number of treatment arms in the trial | 3 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
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 | No |
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
|
LVLS |
la última visita del último participante del ensayo clínico |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 1 |
E.8.9.1 | In the Member State concerned months | 3 |
E.8.9.1 | In the Member State concerned days | |