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Spots Global Cancer Trial Database for IMA910 Plus GM-CSF With Low-dose Cyclophosphamide Pre-treatment in Advanced Colorectal Carcinoma Patients Following a Successful 12 Week First-line Treatment With Oxaliplatin-based Chemotherapy (IMA910-101)

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Trial Identification

Brief Title: IMA910 Plus GM-CSF With Low-dose Cyclophosphamide Pre-treatment in Advanced Colorectal Carcinoma Patients Following a Successful 12 Week First-line Treatment With Oxaliplatin-based Chemotherapy (IMA910-101)

Official Title: An Open Label, Multicenter Phase 1-2 Study to Investigate the Effectiveness, Safety and Immunogenicity of a Monotherapy With Intradermal IMA910 Plus GM-CSF Following Pre-treatment With Low-dose Cyclophosphamide in Advanced Colorectal Carcinoma Patients Who Have Successfully Completed a 12 Week First-line Treatment With Oxaliplatin-based Chemotherapy.

Study ID: NCT00785122

Study Description

Brief Summary: This study is being conducted in order determine whether IMA910 as single agent with GM-CSF as adjuvant following pre-treatment with low-dose cyclophosphamide is safe and shows sufficient anti-tumour effectiveness in patients with advanced CRC to warrant further development. Secondary objectives of this study are investigation of immunological parameters and additional effectiveness endpoints. Furthermore, safety, immunological parameters and effectiveness of IMA910 as single agent with GM-CSF in combination with imiquimod following pre-treatment with low-dose cyclophosphamide will be investigated in a 2nd cohort of patients. The regular study duration for individual patients in the 1st and 2nd cohort comprises regularly 18-42 days of screening (excluding HLA-typing), 33 weeks of treatment (16 vaccinations) and 4 weeks follow-up. Thus, the period between start of screening and end of trial is about 10 months per patient. Patients will be followed for response to subsequent treatments (chemotherapies with or without targeted agents) and survival every 2 months after EOS visit until death. Patients in the 1st and 2nd cohort will be withdrawn from study treatment once a progress according to RECIST is noted. An enrolment plan for the first 6 patients included into the 1st cohort will be part of this study to ensure maximum safety of the study participants. The enrollment of the first 6 patients into the 2nd cohort will also follow an enrolment plan to ensure maximum safety.

Detailed Description: This is a multicentre, open-label, Phase 1-2 study in patients with locally advanced and/or metastatic colorectal cancer (CRC) to investigate the effectiveness, safety and immunogenicity of the tumour multi-peptide vaccine IMA910 plus GM-CSF (1st cohort) given as monotherapy after successful (CR, PR or SD) completion of a 12 week first-line oxaliplatin-based standard chemotherapy (e.g. FOLFOX, XELOX). Safety, immunogenicity and effectiveness of IMA910 plus GM-CSF in combination with imiquimod will be investigated in a 2nd cohort of patients with locally advanced and/or metastatic colorectal cancer (CRC) after successful (CR, PR or SD) completion of a 12 week first-line oxaliplatin-based standard chemotherapy (e.g. FOLFOX, XELOX). The aim of this study is to investigate whether IMA910 plus GM-CSF (1st cohort) is an effective maintenance therapy with a favorable toxicity profile. A single dose of low-dose cyclophosphamide is applied as an immune modulator 3 days before the start of vaccination. Effectiveness is measured in terms of the disease control rate (DCR) at Visit 14 (= 27 weeks of vaccination) according to RECIST. The baseline tumour response assessment is performed after a first-line oxaliplatin-based standard chemotherapy for 12 weeks. The DCR is compared to a no effect level of 21% derived from the PFS curve of the chemotherapy-free interval cohort (arm B) of the OPTIMOX 2 study. Tumour response assessments will be performed every 9 weeks according to RECIST. Further a 2nd cohort of patients will be treated with IMA910 plus GM-CSF in combination with imiquimod and a single dose of lowdose cyclophosphamide. The aim of the 2nd cohort is to investigate whether the addition of imiquimod is safe, enhances the immune response to IMA910 and shows effectiveness. Patients in the 1st and 2nd cohort will be withdrawn from study treatment once a progress according to RECIST is noted. An enrolment plan for the first 6 patients included into the 1st cohort will be part of this study to ensure maximum safety of the study participants. The enrollment of the first 6 patients into the 2nd cohort will also follow an enrolment plan to ensure maximum safety. Patients must be HLA-A\*02-positive. Patients must have been diagnosed with unresectable, locally advanced and/or metastatic colorectal cancer before first-line chemotherapy. Patients must have completed a 12 week first-line oxaliplatin-based standard chemotherapy (e.g. FOLFOX or XELOX) with either complete or partial response or stable disease as the outcome. In case the 12 week first-line oxaliplatin-based standard chemotherapy results in resectable disease the patient may not be enrolled and routinely undergoes surgical resection of residual tumour. Patients must be aged 18 years or older and must have histological confirmed colorectal adenocarcinoma (CRC) and radiological evidence (CT/MRI) of unresectable locally advanced and/or metastatic CRC prior to 12 week first-line oxaliplatin-based standard chemotherapy. This study will employ low-dose Cyclophosphamide (administered as a single i.v. infusion at a dose of 300 mg/m2 3 days prior to the vaccination) in order to increase the immune response to IMA910 (5.78 mg i.d.). Patients will receive 7 vaccinations of IMA910 plus GM-CSF (75 μg i.d.) in the first 6 weeks of treatment (induction period) followed by 9 vaccinations at 3-week intervals for a further 27 weeks (maintenance period). The patients will receive a total of 16 vaccinations over a period of 33 weeks. An end of study visit (EOS, Visit 17) will be performed 4 weeks after the last treatment. Patients enrolled into the 2nd cohort of the study will receive the same treatment as described above and will additionally receive a topical application of 250 mg imiquimod cream (12.5 mg imiquimod) 10 minutes (up to 20 minutes) after each application of IMA910 (Visit 1-16) and from day 3 onwards 250 mg imiquimod cream (12.5 mg imiquimod) 24 hours (but up to 48 hours at the latest) after each application of IMA910 (Visit 3-16). The topical application of imiquimod additionally 24 hours (but up to 48 hours at the latest) after IMA910 application will be done by the patient at home. Imiquimod cream will be applied to a marked 5x5 cm area around the injection site of GM-CSF and IMA910. At screening a CT or MRI of the chest and abdomen/pelvis will be performed to assess baseline tumour status. In patients with suspected brain metastasis at Screening or if clinically indicated a CT or MRI of the brain will be performed. In patients with known bone metastases of the extremities or in case of suspected bone metastases of the extremities at Screening correlative imaging (X-ray, CT or MRI) has to be performed of the respective area(s). At Visits 8, 11, 14, and 17 (EOS) a CT or MRI of the chest, abdomen and pelvis will be performed. In patients with bone metastases of the extremities detected at baseline or during the study, repeat assessments of the sites of bone metastases (X-ray, CT or MRI) will be performed at Visits 14 and 17 (EOS). An assessment of brain metastasis will be performed only if clinically indicated during the course of the study. Cellular immunomonitoring (T-cell responses to peptides contained in IMA910 and analysis of other immune cell populations that may influence T-cell responses such as Tregs), serum levels of antibodies and molecules with suspected influence on immune response will be assessed on several occasions during the study. In a subgroup of patients the following parameters may be assessed in tumour tissue (depending on the amount and quality of tissue): expression of target genes encoding the TUMAPs contained in IMA910 and of genes which might be influenced by IMA910, presentation of TUMAPs contained in IMA910, presence of tumour infiltrating lymphocytes and presence of molecules with suspected influence on immune response. Safety assessment will comprise continuous adverse event reporting, regular physical examinations and regular assessments of vital signs, haematology, blood chemistry and urine. A 12-lead ECG will be performed at screening and at the end of the study. Pregnancy testing will be performed according to applicable legislation in the country where the trial is being performed. At the very least, women of childbearing potential must undergo a pregnancy test during screening for the study, before the first dose and at the end of the study. In the initial phase of the study 6 patients of the 1st Cohort will be treated step-wise and observed for 21 days according to a pre-specified enrolment plan. The first step is the enrolment of 1 patient followed by an observation period of 21 days, thereafter enrolment of 2 patients followed by an observation period of 21 days thereafter 3 patients followed by an observation period of 21 days. The sponsor will evaluate the adverse events and laboratory data following every enrolment step and initiate the enrolment of the next enrolment step. After 6 patients enrolled in that way the subsequent enrolment can be performed without further restrictions. Further also in the 2nd Cohort the first 6 patients of the 2nd cohort will be enrolled in a step-wise manner. The first step is the enrolment of 1 patient followed by an observation period of 1 week, thereafter enrolment of 2 patients followed by an observation period of 1 week thereafter enrolment of 3 patients followed by an observation period of 1 week. The sponsor will evaluate the adverse events following every enrolment step and initiate the enrolment of the next enrolment step. After 6 patients enrolled in that way the subsequent enrolment can be performed without further restrictions.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Medische Oncologie, Imeldaziekenhuis, Bonheiden, , Belgium

Oncologisch Centrum, UZ Gent, Gent, , Belgium

Inter District Dispencary for Oncology Disease with Inpatient Unit Plovdiv, First Internal Ward, Plovdiv, , Bulgaria

District Dispensary for Oncology Diseases with Inpatient Unit, Sofia District, Chemotherapeutic Ward, Sofia, , Bulgaria

MHAT "Tsaritsa Yoanna", Clinic of Oncotherapy, Sofia, , Bulgaria

Specialized Hospital for Active Treatment in Oncology Ltd., Clinic of Chemotherapy, Sofia, , Bulgaria

Interdistrict Dispensary of Oncology Diseases with Inpatient Unit "Dr. Marko Markov" - Varna, Varna, , Bulgaria

University Hospital Dresden "Carl Gustav Carus", Dresden, , Germany

Krankenhaus Nordwest der Stiftung Hospital zum heiligen Geist, II. med. Klinik, Frankfurt a.M., , Germany

Cancer Hospital Sanafontis, Freiburg, , Germany

Prosper-Hospital, Med. Klinik I, Recklinghausen, , Germany

University of Tübingen, Department of med. Oncology, Hematology, Immunology, Rhematology and Pulmology, Tübingen, , Germany

Universitätsklinikum Ulm, Dep. Of Internal Medicine I, Studiensekretariat, CCCU, CTOA, Ulm, , Germany

Kliniken Villingen, Schwarzwald-Baar-Klinik, Dept. Of Hematology & Oncology, Villingen-Schwenningen, , Germany

State Health Center Oncology, Budapest, , Hungary

Péterfy Hospital, Budapest, , Hungary

Semmelweis University, Oncoradiology, Budapest, , Hungary

National Institute of Oncology, Department of Internal Medicine, Department of Chemotherapy "B", Budapest, , Hungary

Uszoki Hospital, Budapest, , Hungary

Borsod County Hospital, Miskolc, , Hungary

University of Szeged, Department of Oncotherapy, Szeged, , Hungary

St. Gyorgy County Hospital, Székesfehérvár, , Hungary

Pauls Stradins University Hospital, Riga, , Latvia

Latvia oncological Center, Riga, , Latvia

Centrum Onkologii Instytut im. Marii Skłodowskiej-Curie Klinika Onkologii Klinicznej, Gliwice, , Poland

Klinika Chemioterapii Nowotworów, Regionalny Ośrodek Onkologiczny, Wojewódzki Szpital Specjalistyczny im. M.Kopernika Uniwersytetu Medycznego Łódz, Lodz, , Poland

Wojewodzki Szpital Zespolony im. Ludwika Rydygiera, Oddzial Chemiotherapii, Torun, , Poland

Katedra i Klinika Hematologii, Onkologii i Cherob Wewnetrznych AM SP Centralny Szpital Kliniczny w Warszawie, Warszawa, , Poland

Oncology Institute "Prof. Dr. Ion Chiricuta", Cluj-Napoca, , Romania

Clinical County Hospital Oradea, Oncology Clinic, Oradea, , Romania

Spitalul Clinic Judetean, Tirgu Mures, , Romania

Institute for Oncology and Radiology of Serbia, National Cancer Research Center, Clinical Research and Exp. Pharmacology, Belgrade, , Serbia

Vojnomedicinska Akademija, Clinic for Gastroenterology, Military Medical Academy, Belgrade, , Serbia

Oncology Institute of Vojvodina, Sremska, , Serbia

The Royal Sussex County Hospital, CIR-Unit, Brighton, , United Kingdom

University of Cambridge, Department of Oncology, Cambridge, , United Kingdom

Velindre Cancer Centre, Cardiff, , United Kingdom

St Luke's Cancer Centre, The Royal Surrey County Hospital, Guildford / Surrey, , United Kingdom

St. James's Hospital, Leeds, , United Kingdom

Leicester Royal Infirmary, Leicester, , United Kingdom

Churchill Hospital, Dept.of Clinical Pharmacology, Oxford, , United Kingdom

Contact Details

Name: Andrea Mayer-Mokler

Affiliation: immatics biotechnolgies GmbH

Role: STUDY_DIRECTOR

Useful links and downloads for this trial

Clinicaltrials.gov

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