E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
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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 | 16.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10038045 |
E.1.2 | Term | Rectal cancer NOS |
E.1.2 | System Organ Class | 100000004864 |
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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 evaluate the feasibility of Methylenetetrahydrofolate (Modufolin®) and Pemetrexed (Alimta®) single agent as neoadjuvant treatment in patients with resectable rectal cancer; and
• To identify the optimal dose of Methylenetetrahydrofolate (Modufolin®) in combination with a fixed dose of Pemetrexed (Alimta® 500mg/m2) with the most advantageous safety and efficacy profile |
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E.2.2 | Secondary objectives of the trial |
• To evaluate the pathological complete response rate;
• To evaluate the prop. of patients who undergo sphincter saving surgery compared with those for whom anal sphincter system cannot be preserved;
• To characterize all toxicities experienced by patients, regardless of attribution, from beginning of study treatment until the postop. visit;
• To investigate the changes in the levels of mTHF in tumor tissue compared with normal tissue following completed treatment with Modufolin® and Alimta®;
• To investigate whether there is a correlation between mTHF and Hcy levels in blood;
• To evaluate whether the occurrence of folate gene polymorphisms and microarray signature profiles is correlated with the clin. outcomes and tox.profiles of patients;
• To compare the PK parameters (i.e. exposure by means of AUC) of [6R] 5,10-mTHF, 5-formyl-THF, 5-methyl-THF and THF calculated from plasma samples conc. in patients receiving i.v. bolus injections of Modufolin® of either 200 or 500 mg/m2. |
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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 |
Protocol for Translational Research Studies Associated with the Extended Phase I/II Studies of
Methylenetetrahydrofolate in Preoperative Rectal Cancer Patients ISO-MC-091 Final Protocol: version 2:1 2013-04-05
Objectives/Hypothesis:
A hypothesis has been put forward that tumor and normal hosts tissue have differential folate requirements, such that the supplemental amount of folate is sufficient to selectively protect the toxic effect of Pemetrexed in normal versus the tumor. Therefore, to address this hypothesis in this trial, attempts will be made to study how i.v. dosing of Methyleneterahydrofolate affects folate and homocysteine levels in blood, and in turn folates as reflected by the intracellular folates, such as mTHF and 5-methylTHF in the tumor and adjacent normal tissues, both before and after starting vitamin supplementation. It is hoped that understanding how folic acid modulate toxicity may allow future fine-tuning of the vitamin regimen. |
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E.3 | Principal inclusion criteria |
1. Pathological or cytological diagnosis of adenocarcinoma of the rectum. Patients must have operable rectal cancer that is amenable to curative surgery.
2. No prior therapy for rectal cancer.
3. Performance status of 0 to 1 on the Eastern Cooperative Oncology Group (ECOG) Performance Status scale. (See Protocol Attachment S091.2).
4. Adequate organ function that includes the following indices:
- adequate bone marrow reserve: absolute neutrophil (segmented and bands) count (ANC) ≥1.5 × 109/L, platelet count ≥100 × 109/L, and hemoglobin ≥9 g/dL.
- hepatic: bilirubin ≤1.5 times the upper limit of normal (x ULN), alkaline phosphatase (ALP), aspartate transaminase (AST) and alanine transaminase (ALT) ≤3.0 x ULN).
- renal: calculated creatinine clearance (CrCl) ≥ 45 ml/min by using the standard Cockcroft and Gault formula (see Protocol Attachment S091.3). Creatinine clearance enrollment and dosing decisions may be made on the basis of either local lab values or central laboratory values (the central laboratory reports the calculated value directly). A patient may be enrolled on the basis of the local lab values.
5. Patient compliance and geographic proximity that allow adequate follow-up.
6. For women: Must be surgically sterile, postmenopausal, or compliant with a medically approved contraceptive regimen during and for 3 months after treatment; must have a negative serum or urine pregnancy test (within 7 days before enrolment) and must not be lactating.
For men: Must be surgically sterile or compliant with a contraceptive regimen during and for 3 months after treatment.
7. Estimated life expectancy of at least 12 weeks.
8. Patients must sign an informed consent document.
9. Patients must be at least 18 years of age. |
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E.4 | Principal exclusion criteria |
1. Concurrent administration of any other anti-tumor therapy.
2. Treatment within the last 30 days with a drug that has not received regulatory approval for any indication at the time of study entry.
3. Serious concomitant systemic disorders (e.g., active infection including HIV, cardiac disease) that in the opinion of the investigator would compromise the patient's ability to complete the study.
4. Have previously completed or withdrawn from this study or any other study investigating Pemetrexed.
5. Are pregnant or breast-feeding.
6. Second primary malignancy except for basal-cell carcinoma and in situ carcinoma of the cervix, that is clinically detectable at the time of consideration for study enrollment.
7. History of significant neurological or mental disorder, including seizures or dementia.
8. Inability to interrupt aspirin or other no steroidal anti-inflammatory drugs (NSAIDs) 2 days before, the day of and 2 days after administration of Pemetrexed. If a patient is taking an NSAID or salicylate with a long half-life (e.g., Naproxen, Piroxicam, Diflunisal, Nabumetone, Refexocib, Celecoxib) it should not be taken 5 days before, the day of and 2 days after administration of Pemetrexed.
9. Presence of clinically relevant (i.e., detectable by physical examination) third-space fluid collection (e.g., ascites, pleural effusion) that cannot be controlled by drainage or other procedures prior to study entry.
10. Inability or unwillingness to be given Methylenetetrahydrofolate, vitamin B12 or Dexamethasone |
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E.5 End points |
E.5.1 | Primary end point(s) |
• Feasibility by means of the ability to receive the total planned dose of Pemetrexed (i.e., 1500 mg/m2) administered over a period of no more than 9 weeks
• Optimal dose of Methylenetetrahydrofolate (Modufolin®), identified by determining the concentration of Deoxyuridine in blood (surrogate marker for inhibition of thymidylate synthase) and by monitoring of Pemetrexed-related toxicity.
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
At the end of treatment phase. |
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E.5.2 | Secondary end point(s) |
• Pathological response rate (pCR);
• Time to objective progressive disease (TOPD);
• Proportion of patients with sphincter saving surgery;
• Characterization (frequency and severity) of all reported or observed toxicities regardless of attribution, including postoperative complications (e.g. bleeding, anastomosis leakage, serious infection), from beginning of study treatment until the postoperative visit;
• mTHF levels in tumor and. normal tissue, before and after treatment with study drugs;
• mTHF and Hcy levels in blood;
• Tracing of folate gene polymorphisms and micro array signature profiles;
• The following PK parameters will be calculated on Day1 (Modufolin® combo with Alimta®) and Day15 (Modufolin® alone) after cycle 1 and 3:
- C10min from plasma concentration of [6R] 5,10-methylene-THF, 5-methyl-THF and THF, and of 5-formyl-THF if data permits;
- AUC(0-1h) and AUC(0-1h)/Dose, calculated from plasma concentration of [6R] 5,10-methylene-THF, 5-methyl-THF and THF, and of 5-formyl-THF if data permits;
- AUC(0-2h) and AUC(0-2h)/Dose, calculated from plasma concentration of [6R] 5,10-methylene-THF, 5-methyl-THF and THF;
- AUC(0-4h) and AUC(0-4h)/Dose calculated from plasma concentration of [6R] 5,10-methylene-THF, 5-methyl-THF and THF. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Safety end points will be evaluated continously. The dose of Methylenetetrahydrofolate, which diminish the side effects of Pemetrexed, will be evaluated during the dose-finding part of the study. The TOPD from the date of study enrollment to the date of objectively determined progressive disease. Other end-points after end of assessment/treatment. |
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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 | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
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) | Yes |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | Yes |
E.7.1.3.1 | Other trial type description |
PK of two different doses to be compared |
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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 | 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 | No |
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
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Last Patient Last Visit is currently estimated to Q1 2015. |
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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 | 3 |
E.8.9.1 | In the Member State concerned months | 9 |
E.8.9.1 | In the Member State concerned days | 0 |