Clinical trial • Phase III • Oncology

AUTOLOGOUS T-CELLS TRANSDUCED WITH THE LENTIVIRAL LV-R11KEA ENCODING T-CELL RECEPTOR TARGETING PATIENT-SPECIFIC TUMOR-ASSOCIATED ANTIGENS for Cutaneous melanoma

Phase III trial of AUTOLOGOUS T-CELLS TRANSDUCED WITH THE LENTIVIRAL LV-R11KEA ENCODING T-CELL RECEPTOR TARGETING PATIENT-SPECIFIC TUMOR-ASSOCIATED ANTIGE…

Overview

Trial Therapeutic Area
Oncology
Trial Disease
Cutaneous melanoma
Trial Stage
Phase III
Drug Modality
Cell therapy | Monoclonal antibody | Small molecule

Key dates

Initial CTIS Submission Date
15-01-2025
First CTIS Authorization Date
16-04-2025

Trial design

Randomised, open-label, investigator’s choice of treatment: options include nivolumab plus relatlimab (opdualag®), lifileucel, nivolumab, pembrolizumab, ipilimumab, or chemotherapy (examples provided: dacarbazine, temozolomide, paclitaxel, albumin-bound paclitaxel, paclitaxel plus carboplatin). (no dose/schedule specified in the part i/ii descriptive text.)-controlled Phase III trial across 17 sites in Germany, Netherlands, France.

Randomised
Yes
Open Label
Yes
Comparator
Investigator’s choice of treatment: options include nivolumab plus relatlimab (Opdualag®), lifileucel, nivolumab, pembrolizumab, ipilimumab, or chemotherapy (examples provided: dacarbazine, temozolomide, paclitaxel, albumin-bound paclitaxel, paclitaxel plus carboplatin). (No dose/schedule specified in the Part I/II descriptive text.)
Target Sample Size
276

Eligibility

Recruits 276 Vulnerable population selected. Subject information sheets and informed consent forms are provided for adults and for legal guardians (documents include titles such as 'L1_SIS and ICF_adults legal guardian' in English and German), indicating consent/guardian consent procedures are in place; information and ICFs are available in multiple languages (English, German, French, Dutch) as evidenced by available document versions..

Pregnancy Exclusion
The patient is pregnant or is breastfeeding.
Vulnerable Population
Vulnerable population selected. Subject information sheets and informed consent forms are provided for adults and for legal guardians (documents include titles such as 'L1_SIS and ICF_adults legal guardian' in English and German), indicating consent/guardian consent procedures are in place; information and ICFs are available in multiple languages (English, German, French, Dutch) as evidenced by available document versions.

Inclusion criteria

  • {"criterion_text":"- Patients ≥ 18 years of age"}
  • {"criterion_text":"- Eastern Cooperative Oncology Group (ECOG) performance status 0 to 1"}
  • {"criterion_text":"- Confirmed HLA status"}
  • {"criterion_text":"- Adequate renal, hepatic and pulmonary function, acceptable coagulation status, adequate organ and marrow function"}
  • {"criterion_text":"- Measurable disease according to RECIST 1.1"}
  • {"criterion_text":"- Pathologically confirmed and documented cutaneous melanoma, CM patients with unresectable or metastatic (= advanced) disease who must have disease progression (resistance, toxicity) on or after at least one PD-1 inhibitor"}
  • {"criterion_text":"- Patients with BRAF mutation should have been treated with one prior line of BRAF-directed therapy unless deemed not clinically indicated at Investigator’s discretion due to concurrent medical condition, prior toxicity, or if declined by the patient"}
  • {"criterion_text":"- The patient must have recovered from any side effects of prior therapy to grade 1 or lower prior to randomization, and prior to LD and subsequent treat-ment"}

Exclusion criteria

  • {"criterion_text":"- Primary mucosal or uveal melanoma"}
  • {"criterion_text":"- History of other malignancies within the last 3 years"}
  • {"criterion_text":"- Patients with prior allogeneic stem-cell transplantation or solid-organ transplantation"}
  • {"criterion_text":"- The patient is pregnant or is breastfeeding."}
  • {"criterion_text":"- History of hypersensitivity to treatment in the IMA203 arm or rescue medications or presence of any contraindications and other limitations for planned treatment with investigator’s choice"}
  • {"criterion_text":"- Any condition contraindicating leukapheresis"}
  • {"criterion_text":"- The patient has concurrent severe and/or uncontrolled medical disease. Any other condition that would, in the investigator’s judgement, contraindicate the patient’s participation in the clinical trial because of safety concerns or com-pliance with clinical trial procedures"}
  • {"criterion_text":"- Patients with active brain metastases or leptomeningeal metastases at VA/VB"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Progression-free survival (PFS), centrally assessed by a Blinded Independent Central Review (BICR) using RECIST 1.1","definition_or_measurement_approach":"Centrally assessed by a Blinded Independent Central Review (BICR) using RECIST 1.1"}

Recruitment

Digital Remote Recruitment
True - digital methods explicitly referenced include trial website materials and social media recruitment posts (country-specific versions exist).
Planned Sample Size
276
Recruitment Window Months
79
Consent Approach
Informed consent is obtained using subject information sheets and ICFs for adults; legal guardian ICFs are provided where applicable. Multiple language versions of ICF and information materials are available (English, German, French, Dutch). Specific documents include 'L1_SIS and ICF_adults ICF1/ICF2' and 'L1_SIS and ICF_adults legal guardian' (EN/DE/NL/FR) and other related privacy and pregnancy follow-up ICFs.

Methods

  • Recruitment materials and arrangements documented (country-specific documents for Germany, France, Netherlands).
  • Trial website (documents titled 'K2_Recruitment material_IMA203-301 trial website' available in multiple languages).
  • Social media posts (documents titled 'K2_Recruitment material_social media posts_Redacted').
  • Graphical overview materials (documents titled 'K2_Recruitment material_graphical overview' in EN/DE/NL/FR).

Geography

Total Number Of Sites
17
Total Number Of Participants
108

Germany

Earliest CTIS Part Ii Submission Date
21-03-2025
Latest Decision Or Authorization Date
04-03-2026
Processing Time Days
348
Number Of Sites
11
Number Of Participants
84

Sites

Site Name
Universitaet Leipzig
Department Name
Klinik und Poliklinik für Dermatologie, Venerologie und Allergologie
Principal Investigator Name
Jan Simon
Principal Investigator Email
jan.simon@medizin.uni-leipzig.de
Contact Person Name
Jan Simon
Site Name
University Medical Center Hamburg-Eppendorf
Department Name
Klinik und Poliklinik für Dermatologie und Venerologie
Principal Investigator Name
Christoffer Gebhardt
Principal Investigator Email
studien-htz@uke.de
Contact Person Name
Christoffer Gebhardt
Contact Person Email
studien-htz@uke.de
Site Name
University Hospital Cologne AöR
Department Name
Klinik und Poliklinik für Dermatologie und Venerologie
Principal Investigator Name
Cindy Franklin
Principal Investigator Email
Cindy.Franklin@uk-koeln.de
Contact Person Name
Cindy Franklin
Contact Person Email
Cindy.Franklin@uk-koeln.de
Site Name
Universitaetsklinikum Bonn AöR
Department Name
Medizinische Klinik und Poliklinik III
Principal Investigator Name
Friederike Schmitz
Principal Investigator Email
Friederike.Schmitz@ukbonn.de
Contact Person Name
Friederike Schmitz
Contact Person Email
Friederike.Schmitz@ukbonn.de
Site Name
Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz KöR
Department Name
III. Medizinische Klinik und Poliklinik
Principal Investigator Name
Eva Maria Wagner-Drouet
Principal Investigator Email
eva.wagner@unimedizin-mainz.de
Contact Person Name
Eva Maria Wagner-Drouet
Contact Person Email
eva.wagner@unimedizin-mainz.de
Site Name
Universitaetsklinikum Heidelberg AöR
Department Name
DermatoOnkologie der Hautklinik im Nationalen Centrum für Tumorerkrankungen (NCT)
Principal Investigator Name
Jessica Hassel
Principal Investigator Email
jessica.hassel@med.uni-heidelberg.de
Contact Person Name
Jessica Hassel
Site Name
Technische Universitaet Dresden
Department Name
Early Clinical Trial Unit (NCT/UCC ECTU)
Principal Investigator Name
Martin Wermke
Principal Investigator Email
martin.wermke@uniklinikum-dresden.de
Contact Person Name
Martin Wermke
Site Name
Universitaetsklinikum Essen AöR
Department Name
Department for Dermatology
Principal Investigator Name
Dirk Schadendorf
Principal Investigator Email
Hautklinik.Studienzentrum@heh.uk-essen.de
Contact Person Name
Dirk Schadendorf
Site Name
Universitaetsklinikum Erlangen AöR
Department Name
Department of Dermatology
Principal Investigator Name
Carola Berking
Principal Investigator Email
onkstudienzentrale.de@uk-erlangen.de
Contact Person Name
Carola Berking
Site Name
Goethe University Frankfurt
Department Name
Abteilung für Dermatologie, Venerologie und Allergologie
Principal Investigator Name
Bastian Schilling
Principal Investigator Email
bastian.schilling@ukffm.de
Contact Person Name
Bastian Schilling
Contact Person Email
bastian.schilling@ukffm.de
Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
Klinik für Hämatologie und Onkologie, Comprehensive Cancer Center (CCC)
Principal Investigator Name
Antonia Busse
Principal Investigator Email
antonia.busse@charite.de
Contact Person Name
Antonia Busse
Contact Person Email
antonia.busse@charite.de

Netherlands

Earliest CTIS Part Ii Submission Date
08-04-2026
Latest Decision Or Authorization Date
13-04-2026
Processing Time Days
5
Number Of Sites
3
Number Of Participants
12

Sites

Site Name
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
Department Name
Medical Oncology
Principal Investigator Name
Astrid van der Veldt
Principal Investigator Email
a.vanderveldt@erasmusmc.nl
Contact Person Name
Astrid van der Veldt
Contact Person Email
a.vanderveldt@erasmusmc.nl
Site Name
Universitair Medisch Centrum Groningen
Department Name
Medical Oncology
Principal Investigator Name
M Jalving
Principal Investigator Email
researchcoordinator@onco.umcg.nl
Contact Person Name
M Jalving
Site Name
Het Nederlands Kanker Instituut-Antoni van Leeuwenhoek Ziekenhuis Stichting
Department Name
Centrum voor Celtherapie
Principal Investigator Name
John Haanen
Principal Investigator Email
j.haanen@nki.nl
Contact Person Name
John Haanen
Contact Person Email
j.haanen@nki.nl

France

Earliest CTIS Part Ii Submission Date
16-02-2026
Latest Decision Or Authorization Date
20-04-2026
Processing Time Days
63
Number Of Sites
3
Number Of Participants
12

Sites

Site Name
Centre Hospitalier Universitaire De Lille
Department Name
Dermatology
Principal Investigator Name
Laurent Mortier
Principal Investigator Email
laurent.mortier@chru-lille.fr
Contact Person Name
Laurent Mortier
Contact Person Email
laurent.mortier@chru-lille.fr
Site Name
Institut Gustave Roussy
Department Name
Dermatology
Principal Investigator Name
Caroline Robert
Principal Investigator Email
caroline.robert@gustaveroussy.fr
Contact Person Name
Caroline Robert
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Hôpital Saint Louis Dermatology
Principal Investigator Name
Celeste Lebbe
Principal Investigator Email
Celeste.lebbe@aphp.fr
Contact Person Name
Celeste Lebbe
Contact Person Email
Celeste.lebbe@aphp.fr

Sponsor

Primary sponsor

Full Name
Immatics US Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Metronomia Clinical Research GmbH
Responsibilities
Biostatistic data management
Name
CCR Creative Clinical Research GmbH Privates Institut fuer Kreative Klinische Forschung
Name
Winicker-Norimed GmbH Medizinische Forschung

Third parties

  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"System Provider","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Germany","full_name":"Metronomia Clinical Research GmbH","duties_or_roles":"Biostatistic data management","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Veeva Systems Inc.","duties_or_roles":"","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Belgium","full_name":"Discovery Life Sciences Biomarker Services GmbH","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"Cogitars GmbH","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"CCR Creative Clinical Research GmbH Privates Institut fuer Kreative Klinische Forschung","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Imaging Endpoints II LLC","duties_or_roles":"Central Imaging","organisation_type":"Pharmaceutical company"}
  • {"country":"Belgium","full_name":"Cerba Research","duties_or_roles":"Storage of samples","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"Germany","full_name":"ProtaGene CGT GmbH","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Bioagilytix Labs LLC","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"Genewiz Germany GmbH","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"spm²-safety projects & more GmbH","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"ProtaGene CGT GmbH","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"MicroCoat Biotechnologie GmbH","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"Angle Europe Limited","duties_or_roles":"","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"Germany","full_name":"Winicker-Norimed GmbH Medizinische Forschung","duties_or_roles":"","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
IMA203
Active Substance
AUTOLOGOUS T-CELLS TRANSDUCED WITH THE LENTIVIRAL LV-R11KEA ENCODING T-CELL RECEPTOR TARGETING PATIENT-SPECIFIC TUMOR-ASSOCIATED ANTIGENS
Modality
Cell therapy
Routes Of Administration
Intravenous infusion
Route
Intravenous infusion
Maximum Dose
10000000000 DF dosage form
Investigational Product Name
NIVOLUMAB
Active Substance
NIVOLUMAB
Modality
Monoclonal antibody
Routes Of Administration
Subcutaneous injection; Intravenous infusion
Route
Subcutaneous injection / Intravenous infusion
Maximum Dose
1200 mg (maxDailyDoseAmount recorded for one formulation); 480 mg (for infusion formulation)
Investigational Product Name
PACLITAXEL
Active Substance
PACLITAXEL
Modality
Small molecule
Routes Of Administration
Intravenous infusion
Route
Intravenous infusion
Maximum Dose
225 mg/m2
Investigational Product Name
TEMOZOLOMIDE
Active Substance
TEMOZOLOMIDE
Modality
Small molecule
Routes Of Administration
Intravenous infusion; Oral
Route
Intravenous infusion / Oral
Maximum Dose
200 mg/m2
Investigational Product Name
PACLITAXEL ALBUMIN-BOUND
Active Substance
PACLITAXEL ALBUMIN-BOUND
Modality
Small molecule
Routes Of Administration
Intravenous infusion
Route
Intravenous infusion
Maximum Dose
100 mg/m2
Investigational Product Name
Opdualag 240 mg/80 mg concentrate for solution for infusion
Active Substance
NIVOLUMAB, RELATLIMAB
Modality
Monoclonal antibody
Routes Of Administration
Intravenous infusion
Route
Intravenous infusion
Authorisation Status
EU/1/22/1679/001
Maximum Dose
480 mg
Investigational Product Name
CARBOPLATIN
Active Substance
CARBOPLATIN
Modality
Small molecule
Routes Of Administration
Intravenous infusion
Route
Intravenous infusion
Maximum Dose
900 mg
Investigational Product Name
PEMBROLIZUMAB
Active Substance
PEMBROLIZUMAB
Modality
Monoclonal antibody
Routes Of Administration
Intravenous infusion
Route
Intravenous infusion
Maximum Dose
400 mg
Investigational Product Name
IPILIMUMAB
Active Substance
IPILIMUMAB
Modality
Monoclonal antibody
Routes Of Administration
Intravenous infusion
Route
Intravenous infusion
Maximum Dose
3 mg/kg
Investigational Product Name
DACARBAZINE
Active Substance
DACARBAZINE
Modality
Small molecule
Routes Of Administration
Intravenous injection/infusion
Route
Intravenous injection/infusion
Maximum Dose
250 mg/m2
Combination Treatment
Yes

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