E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
metastatic colonrectal cancer |
carcinoma colonrettale |
|
E.1.1.1 | Medical condition in easily understood language |
metastatic colonrectal cancer |
carcinoma colonrettale |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Digestive System Diseases [C06] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 15.0 |
E.1.2 | Level | HLT |
E.1.2 | Classification code | 10010023 |
E.1.2 | Term | Colorectal neoplasms malignant |
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 assess the activity (in terms of response rate according to RECIST 1.1 criteria) of temozolomide (TMZ) in patients with refractory metastatic colorectal cancer with hypermethylation of MGMT |
- Valutazione dell’efficacia (in termini di tasso di risposte obiettive secondo criteri RECIST 1.1) di Temozolomide (TMZ) in pazienti affetti da carcinoma colorettale metastatico resistente ai trattamenti standard e con ipermetilazione di MGMT |
|
E.2.2 | Secondary objectives of the trial |
- Disease control rate
- Duration of response
- Progression free survival
- Tolerability and safety
- Quality of life |
- Tasso di controllo della malattia
- Durata della risposta
- Sopravvivenza libera da progressione
- Tollerabilità e sicurezza del trattamento
- Qualità della vita |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Pathologically confirmed colorectal adenocarcinoma and documented metastatic disease
- MGMT promoter hypermethylation assessed by MS-PCR. The analysis will be performed at Università Cattolica del Sacro Cuore, Molecular Pathology Lab.
- Disease progression during or following at least two lines of chemotherapy including fluoropyrimidines, irinotecan, oxaliplatin, anti-VEGF and (if KRAS wild-type) anti EGFR drugs, or unacceptable toxicity to these drugs.
- Progression free interval less than 6 months from the end of the previous treatment
- Male and female patients, age ≥ 18 years
- Performance Status (ECOG): ≤ 2
- At least one measurable lesion meeting the RECIST 1.1 criteria
- Written and signed informed consent obtained prior to beginning any protocol-specific procedures.
- Life expectancy ≥12 weeks
- Effective means of contraception (i.e. sexual abstinence) during the study and for a period of at least 6 mon ths after the last administration of the study drug.
- Adequate hematological function (White Blood Cell count ≥ 3 x 109/l, Absolute neutrophil count ≥ 1.5 x 109/l, and platelet count ≥ 100 x 109/l)
- Adequate liver function (total bilirubin < 1.5 x upper limit of normal, unless the patient has documented Gilbert’s syndrome; ALT ≤ 2.5 x upper limit of normal or ≤ 5 x upper limit of normal in patients with liver metastases)
- Adequate renal function: serum creatinine ≤ 1.5 x upper limit of normal or creatinine clearance ≥ 50 ml/min (according to the formula of Crockcroft and Gault)
- INR and aPTT ≤ 1.5 x upper limit of normal (unless on therapeutic anti-coagulation) |
- Diagnosi di adenocarcinoma del colon confermata istologicamente e malattia metastatica documentata
- Ipermetilazione della regione promoter di MGMT valutata mediante MSP (reazione a catena della polimerasi specifica per la metilazione), presso il Laboratorio di Patologia Molecolare del Policlinico Universitario Agostino Gemelli
- Progressione attraverso o dopo almeno due linee di terapia comprendenti fluoropirimidine, irinotecan, oxaliplatino, agenti anti-VEGF e, in caso di tumori KRAS wild-type, agenti anti-EGFR, o impossibilità a ricevere tali trattamenti per tossicità
- Intervallo libero da progressione inferiore a 6 mesi dal termine del precedente trattamento chemioterapico
- Uomini e donne di età ≥ 18 anni
- Performance Status (ECOG): ≤ 2
- Presenza di almeno una lesione misurabile
- Consenso informato scritto, ottenuto prima di qualsiasi altra procedura prevista dal protocollo
- Aspettativa di vita di almeno 12 settimane
- Adeguate misure anticoncezionali (astinenza dall’attività sessuale) per l’intera durata del trattamento e fino a sei mesi dopo l’ultima assunzione di TMZ
- Adeguata funzionalità midollare (Numero dei globuli bianchi > 3 x 109/L con neutrofili > 1.5 x 109/L, numero di piastrine > 100 x 109/L, emoglobina > 9 g/dL)
- Bilrubina totale < 1.5 volte il limite superiore di riferimento (a meno che il paziente non abbia una sindrome di Gilbert documentata)
- ALT ≤ 2.5 volte il limite superiore della norma (≤ 5 volte il limite superiore della norma in caso di metastasi epatiche)
- Creatinina sierica ≤ 1.5 volte il limite superiore della norma o creatinina clearance ≥ 50 ml/min (calcolata mediante formula di Cockroft e Gault)
- INR e aPTT ≤ 1.5 volte il limite superiore della norma (ad eccezione dei pazienti in terapia anticoagulante) |
|
E.4 | Principal exclusion criteria |
- History of any other serious or uncontrolled disease that contraindicates the use of the investigational drug
- Pregnancy or breast feeding (female patients with childbearing potential must have a negative serum beta-HCG).
- Bowel obstruction
- Alcohol or drug abuse.
- Legal incapacity or limited legal capacity
- Existing acute reversible effects of prior treatment. This generally means at least 3 weeks should have elapsed since prior chemotherapy and at least 4 weeks since prior (radical) radiotherapy or major surgery with full recovery
- History of another malignancy within 5 years prior of enrollment, except for adequately treated carcinoma in situ of the cervix and non-melanoma skin cancer. Patients treated for other malignancies with curative intent and disease free at least for 5 years are elegible.
- Brain metastasis not well controlled. Eligible patients must be asymptomatic, can not be receiving steroids or anticancer treatment, and must be enrolled at least 1 month after the end of the radiotherapy treatment. CT or MRI scan of the brain is mandatory in case of clinical suspicion of CNS metastases.
- Concurrent treatment with other experimental drugs. Participation in another clinical trial with any investigational drug within 30 days prior to study screening.
- Current known infection with HIV, HBV, or HCV
- Known hypersensitivity to the study drug or to one of the excipients
- Documented intolerance to galactose, lattase deficiency or galactose malabsorption |
- Anamnesi di patologia seria o incontrollata per la quale il paziente non potrebbe ricevere il trattamento in studio
- Gravidanza (per le donne in età fertile l’assenza di gravidanza deve essere confermata da test negativo per la b-HCG) o allattamento
- Occlusione intestinale
- Abuso di alcool o droghe
- Incapacità legale o limitata capacità legale
- Persistenza di effetti collaterali acuti e reversibili del precedente trattamento; in genere devono trascorrere almeno tre settimane tra la precedente chemioterapia ed almeno 4 settimane da un precedente intervento di chirurgia maggiore, con recupero completo
- Anamnesi di altra neoplasia maligna, ad eccezione del carcinoma in situ della cervice e di tumori cutanei ad eccezione del melanoma. Sono eleggibili i pazienti trattati per altre neoplasie con intento curativo e liberi da malattia per almeno 5 anni.
- Metastasi cerebrali non ben controllate. Pazienti con metastasi cerebrali sono eleggibili se asintomatici, in assenza di terapia antiedemigena steroidea, e dopo almeno 4 settimane dal termine di eventuale radioterapia sull’encefalo. TC o RMN del cranio sono obbligatorie in caso di sospetto clinico di metastasi cerebrali
- Trattamenti concomitanti con altri farmaci sperimentali o partecipazione ad altri studi clinici entro i 30 giorni precedenti l’inizio delle procedure di screening
- Infezione attiva nota da HIV, HBV o HCV
- Allergia o ipersensibilità documentata al principio attivo o ad uno degli eccipienti del prodotto in studio
- Intolleranza al galattosio, deficit di lattasi o malassorbimento di galattosio documentati |
|
E.5 End points |
E.5.1 | Primary end point(s) |
- Objective tumor response rate according to RECIST 1.1 criteria
- Duration of response, as the time period from first documentation of response (complete or partial response) to the date of first occurrence of documented disease progression
- Progression-free survival, defined as the time period from start of the treatment to the date of first occurrence of documented disease progression or death from any cause within 60 days from the last disease assessment or from cycle 1, day 1
- Overall survival, defined as the time period from enrollment to death from any cause. |
- Risposta del tumore alla terapia sulla base della diagnostica per immagini e classificata secondo i criteri RECIST 1.1
- Durata della risposta, definita come tempo dal momento dell’ottenimento della risposta (completa o parziale) alla documentata progressione della malattia
- Sopravvivenza libera da progressione, definita come tempo in mesi dall’inizio del trattamento fino al momento della progressione della malattia o morte per qualsiasi causa entro 60 giorni dall’ultima valutazione dello stato di malattia o dal giorno 1 del ciclo 1.
- Sopravvivenza globale, definita come tempo dall’inizio del trattamento fino al giorno della morte. |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
|
E.5.2 | Secondary end point(s) |
Incidence and grading of adverse events and serious adverse events classified according to NCI-CTCAE 4.0
Quality of life assessment:
- Quality of life will be assessed by EORTC QLQ C-30 questionnaire |
- Incidenza e severità degli eventi avversi e degli eventi avversi seri, classificati secondo NCI-CTCAE 4.0
- valutazione qualità della vita |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
|
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) | 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 | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | No |
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) | Information not present in EudraCT |
E.8.2.2 | Placebo | Information not present in EudraCT |
E.8.2.3 | Other | Information not present in EudraCT |
E.8.2.4 | Number of treatment arms in the trial | 1 |
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 | No |
E.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
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
|
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 0 |
E.8.9.1 | In the Member State concerned months | 20 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 0 |
E.8.9.2 | In all countries concerned by the trial months | 20 |
E.8.9.2 | In all countries concerned by the trial days | 0 |