E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Rectal cancer stage II
Rectal cancer stage III |
Cancro do Reto, estádio II
Cancro do Reto, estádio III |
|
E.1.1.1 | Medical condition in easily understood language |
Rectal Cancer |
Cancro do Reto |
|
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 | 16.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10038050 |
E.1.2 | Term | Rectal cancer stage III |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
|
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 16.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10038049 |
E.1.2 | Term | Rectal cancer stage II |
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 |
The trial’s objective is to show the superiority of Lapatinib and Capecitabine combination (arm A) over the standard Capecitabine (arm B) |
O objectivo do estudo é demonstrar a superioridade da combinação Lapatinib e Capecitabina (braço A) sobre o padrão, Capecitabina (braço B). |
|
E.2.2 | Secondary objectives of the trial |
Not Applicable |
Não Aplicável |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Age 18 years or above.
2. Diagnosis of adenocarcinoma of the rectum with the primary malignant lesion located between the dentate line up to 10cm of the anal verge by endoscopic examination.
3. KRAS mutational analysis of codon 12 and 13 without known activating mutations.
4. Clinical Stage II or III disease, according to AJCC Staging classification, 7th edition. For clinical staging the following procedures must have been conducted, within 4 weeks of treatment allocation:
4.1. Clinical History and Physical Examination,
4.2. Endoscopic ultrasound of the primary lesion,
4.3. Thoracic, abdominal and pelvic computed tomographic scan.
5. Clinically judged to be able to undergo curative resection of the rectal neoplasm despite pre-operative chemoradiotherapy.
6. Clinically judged to be able to undergo pelvic radiation therapy to a total dose of 50.4 Gy.
7. Signed informed consent.
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1. Idade igual ou superior a 18 anos.
2. Diagnóstico de adenocarcinoma do reto com o tumor maligno primário localizado, por exame endoscópico, entre a linha denteada e até 10 centímetros da margem anal.
3. Estudo do codão 12 e 13 gene KRAS, sem mutações ativadoras conhecidas.
4. Doença em estádio clínico II ou III, segundo a classificação de Estádio da AJCC, 7 ª edição. Para o estadiamento clínico os seguintes procedimentos devem ter sido realizados, até 4 semanas antes da alocação terapêutica:
4.1. História clínica e exame físico,
4.2. Ecoendoscopia da lesão primária,
4.3. Tomografia Computadorizada do tórax, abdómen e pélvis.
5. Juízo clínico de que a doença é passível de ser ressecada com intenção curativa apesar da realização de quimiorradioterapia pré-operatória.
6. Juízo clínico de que é capaz de tolerar um tratamento de radioterapia externa à pélvis com uma dose total de 50,4 Gy.
7. Consentimento informado explícito para participar no ensaio. |
|
E.4 | Principal exclusion criteria |
1. Absence of baseline histological sample of the primary tumor.
2. Pregnant or lactating women.
3. Unwillingness or inability to comply with effective contraception, if the patient is fertile.
4. Impaired renal function defined as creatinine clearance < 60mL/min according to the Cockcroft-Gault formula.
5. Impaired hematological function: defined by any of the following on pre-treatment evaluation:
5.1. Hemoglobin concentration < 10.0 g/dL,
5.2. Absolute neutrophile count < 1 500 µL-1 and
5.3. Platelet count < 100 000 µL-1.
6. Impaired hepatic function defined by any of the following on pre-treatment evaluation:
6.1. Serum level of aspartate aminotransferase > 1.5 x ULN,
6.2. Serum level of alanine aminotransferase > 1.5 x ULN,
6.3. Serum level of alkaline phosphatase > 1.5 x ULN,
6.4. International Normalized Ratio > 1.5 and
6.5. Serum concentration of total bilirrubin > 1.5 x ULN.
7. Symptomatic heart failure or a left ventricular ejection fraction below the institution’s lower limit of normality as assessed through equilibrium radionuclide angiography.
8. Known intolerance to any of the study drugs.
9. Known dihydropyrimidine dehydrogenase (DPD) deficiency.
10. Concurrent treatment with CYP3A4 inducers.
11. Concurrent treatment with CYP3A4 inhibitors.
12. Likely inability to comply with the protocol or cooperate fully with the investigator and site personnel.
13. Currently enrolled in another clinical trial.
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1. Ausência de amostra histológica do tumor primário antes da aleatorização.
2. Mulheres grávidas ou a amamentar.
3. Se o doente é fértil, falta de vontade ou incapacidade de cumprir com um plano de contracepção eficaz.
4. Disfunção renal definida como uma taxa de depuração de creatinina <60mL/min de acordo com a fórmula de Cockcroft-Gault.
5. Alteração hematológica definida por qualquer uma das seguintes alterações na avaliação pré-tratamento:
5.1. Concentração de hemoglobina <10,0g/dL,
5.2. Contagem absoluta de neutrófilos <1 500µL-1 ou
5.3. Contagem de plaquetas <100 000µL-1.
6. Alteração da função hepática definida por qualquer uma dos seguintes alterações na avaliação de pré-tratamento:
6.1. Níveis séricos de aspartato aminotransferase> 1,5 x LSN,
6.2. Níveis séricos de alanina aminotransferase> 1,5 x LSN,
6.3. Nível sérico de fosfatase alcalina> 1,5 x LSN,
6.4. Razão Normalizada Internacional> 1,5 ou
6.5. Concentração sérica de bilirrubina total> 1,5 x LSN.
7. Insuficiência cardíaca sintomática ou fração de ejeção ventricular esquerda abaixo do limite inferior da normalidade da instituição, avaliada através de angiografia por radionuclídeos em equilíbrio.
8. Intolerância a qualquer um dos medicamentos do estudo.
9. Deficiência da desidrogenase das dihidropirimidina (DPD).
10. Tratamento concomitante com indutores do CYP3A4.
11. Tratamento concomitante com inibidores do CYP3A4.
12. Incapacidade, ou percepção de ser incapaz, de cumprir o protocolo ou de cooperar completamente com o investigador ou com a equipa do estudo.
13. Estar incluído noutro ensaio terapêutico.
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary endpoint is pathologic complete remission. |
A medida de resultado primária é resposta patológica completa. |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
After surgical treatment. |
Após tratamento cirúrgico. |
|
E.5.2 | Secondary end point(s) |
Safety profile of the combination Lapatinib / Capecitabine / Radiation therapy in the pre-operative setting of patients with resectable rectal cancer. |
Perfil de segurança da combinação Lapatinib / Capecitabina / Radioterapia Externa na abordagem terapêutica pré-operatória de doentes com cancro do reto ressecável. |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
Through-out the length of the trial until the end of study, 28 days after surgery. |
Contínuo durante o tratamento e até 28 dias após a cirurgia. |
|
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 | Yes |
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) | 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 | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | Yes |
E.8.1.7.1 | Other trial design description |
Desenho com aleatorização adaptativa Bayesiana |
Adpative Bayesian Randomization Design |
|
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Yes |
E.8.2.2 | Placebo | No |
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
| 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
|
Thirty days after the last subject last visit.
To allow for the identification of delayed side effects of Surgical Treatment. |
Trinta dias após a última visita do último sujeito do ensaio.
Para permitir a identificação de efeitos retardados do tratamento cirúrgico. |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |