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.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To develop a dosing nomogram of irinotecan in patients homozygous polymorphic for UGT1A1*28 and *93 in order to reduce the incidence of severe irinotecan-associated toxicity, defined as febrile neutropenia during the first two cycle of irinotecan treatment |
Het ontwikkelen van een doseeralgoritme voor irinotecan bij homozygoot mutante patienten voor UGT1A1*28 en *93 om de incidentie van febriele neutropenie te verminderen gedurende de eerste 2 cycli. |
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E.2.2 | Secondary objectives of the trial |
• To determine the effect of UGT1A1*28 and *93 genotype-guided dosing of irinotecan on the incidence of grade ≥3 toxicity, toxicity-related hospital admissions, treatment delay and early treatment withdrawal.
• To confirm adequate drug exposure of UGT1A1*28 and *93 genotype-guided dosing by determining the pharmacokinetics of irinotecan in homozygous variant allele carriers.
• To determine the feasibility of UGT1A1 genotype-guided dosing defined as no delay of treatment due to prospective screening of UGT1A1 genotype
• To demonstrate that UGT1A1 genotype-guided dosing of irinotecan is cost-saving
• To determine the effect of the dosing nomogram on efficacy of treatment
• To determine the specificity and sensitivity of the bilirubin / conjugated bilirubin concentration ratio as a marker for the added value of genotyping for UGT1A1*28 and *93.
• To retrospectively determine the effect of additional polymorphisms other than UGT1A1*28 and *93 on treatment outcome |
• Vaststellen effect van UGT1A1*28 en *93 genotype-geleid doseren van irinotecan op de incidentie van graad ≥3 toxiciteit, ziekenhuisopnames, behandeluitstel en vroegtijdig stoppen met behandeling
• Vastellen van adequate bloostelling aan irinotecan bij UGT1A1*28 en*93 genotype-geleid doseren
• haalbaarheid UGT1A1*28 en*93 genotype-geleid doseren
• kosteneffectiviteit UGT1A1*28 en*93 genotype-geleid doseren
• effectiviteit UGT1A1*28 en*93 genotype-geleid doseren
• vaststellen specificiteit en sensitiviteit bilirubine/geconjugeerd bilirubine ratio
• retrospectief bepalen van effect van additionele polymorphismes anders dan UGT1A1*28 en *93 op uitkomst behandeling |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Pathologically confirmed malignancy for which treatment with irinotecan is indicated at
a dosing regimen of ≥ 180 mg/m2 or 450-600mg flat dose in 2- or 3-weekly treatment schedules (see table 1)
2. Age ≥ 18 years
3. Able and willing to give written informed consent
4. WHO performance status 0-2
5. Minimal acceptable safety laboratory values defined as
a. ANC of ≥ 1.5 x 109 /L
b. Platelet count of ≥ 100 x 109 /L
c. Hepatic function as defined by serum bilirubin ≤ 1.5 x ULN, ALAT and ASAT ≤ 2.5 x ULN; in case of liver metastases ALAT and ASAT ≤ 5 x ULN.
d. Renal function (eGFR) ≥ 50 ml/min OR creatinine ≤ 1.5 x ULN |
1. pathologisch vastgestelde maligniteit waarbij behandeling met irinotecan geinidceerd is in een dosering van ≥ 180 mg/m2 of 450-600mg vaste dosis in 2- of 3-wekelijkse schema's
2.Leeftijd ≥ 18 jaar
3. In staat om informed consent te geven
4. WHO performance status 0-2
5. minimale acceptable lab waarden tav veiligheid:
a. Absoluut aantal neutrofielen ≥ 1.5 x 109 /L
b. Aantal bloedplaatjes ≥ 100 x 109 /L
c. Leverfunctie: serum bilirubine ≤ 1.5 x ULN, ALAT en ASAT ≤ 2.5 x ULN; in het geval van levermetastase: ALAT and ASAT ≤ 5 x ULN.
d. nierfunctie (eGFR) ≥ 50 ml/min OF kreatinine ≤ 1.5 x ULN |
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E.4 | Principal exclusion criteria |
1. Prior treatment with irinotecan
2. Patients with known substance abuse, psychotic disorders, and/or other diseases expected to interfere with study or the patient’s safety
3. Patients of Asian origin
4. Patients unable or unwilling to stop the use of (over the counter) medication or (herbal) supplements which can interact with irinotecan (e.g. by induction of inhibition of CYP3A4) (see Appendix 2 study protocol). |
1. eerdere behandeling met irinotecan
2. patienten met verslavingsproblematiek, psychische stoornissen, en/of andere ziektes die kunnen interfereren met de studie of de veiligheid van de patient.
3. Aziatische patienten
4. Patienten met OTC medicatie of (kruiden)supplementen die interacteren met irinotecan (inductie CYP3A4) die niet met deze interacterende middelen willen of kunnen stoppen (zie bijlage 2 van het onderzoeksprotocol). |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary endpoint of the study is the incidence of febrile neutropenia of UGT1A1 genotype-guided dosing during the first two cycles of irinotecan treatment |
Incidentie van febriele neutropenie |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
see study protocol, annex 14.1 study procedures |
zie onderzoeksprotocol, annex 14.1 study procedures |
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E.5.2 | Secondary end point(s) |
• Incidence of grade ≥3 toxicity
• Incidence of toxicity-related hospital admissions
• Number of patients with treatment delay, defined as a delay of more than 2 days
• Incidence of early treatment withdrawal
• Pharmacokinetics of irinotecan and its metabolite SN-38 in UGT1A1*28 and/or *93 homozygous variant allele carriers.
• Incidence of treatment delay due to prospective screening of UGT1A1
• Direct medical costs of irinotecan-based treatment
• Progression free survival and overall survival
• Bilirubin / conjugated bilirubin concentration ratio
• The effect of additional polymorphisms other than UGT1A1*28 and *93 on treatment outcome in terms of toxicity and efficacy (survival and progression-free survival) |
• Incidentie van ≥graad 3 toxiciteit
• Incidentie van toxiciteit gerelateerde ziekenhuisopnames
• Aantal patienten met uitstel van behandeling, gedefinieerd als >2 dagen uitstel.
• Incidentie van vroegtijdig stoppen van behandeling
• Farmacokinetiek van irinotecan en metaboliet SN-38 in UGT1A1*28 en/of *93 homozygote variant dragers
• Incidentie van uitstel van behandeling door prospectieve screening met UGT1A1
• Directe medische kosten van de behandeling
• Progressie vrije overleving en overleving
• Bilirubine / geconjugeerde bilirubine concentratie ratio
• Het effect van additionele polymorfismen anders dan UGT1A1*28 en/of *93 op de behandeling in de vorm van toxiciteit en effectiviteit (overleving en progressievrije overleving |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
see study protocol, annex 14.1 study procedures |
zie onderzoeksprotocol, annex 14.1 study procedures |
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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 | No |
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 | Yes |
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) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
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 | Yes |
E.8.1.7.1 | Other trial design description |
Prospectieve, multi-center, niet-gerandomiseerde klinische implementatie studie |
Prospective, multi-center, non-randomized clinical implementation study |
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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
| 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 | 6 |
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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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 | 0 |
E.8.9.1 | In the Member State concerned days | 0 |