Clinical trial • Phase I/II • Oncology

ELVN-002-1 for HER2-positive solid tumours | Colorectal adenocarcinoma | Breast cancer

Phase I/II trial of ELVN-002-1 for HER2-positive solid tumours | Colorectal adenocarcinoma | Breast cancer. open-label, adaptive. 119 participants.

Overview

Trial Therapeutic Area
Oncology
Trial Disease
HER2-positive solid tumours | Colorectal adenocarcinoma | Breast cancer
Trial Stage
Phase I/II
Drug Modality
Small molecule | Monoclonal antibody

Key dates

Initial CTIS Submission Date
24-04-2024
First CTIS Authorization Date
14-08-2024

Trial design

open-label, adaptive Phase I/II trial across 24 sites in Netherlands, Italy, Spain and others.

Open Label
Yes
Adaptive
True, includes dose-escalation design with predefined dose levels and Safety Review Committee oversight to determine recommended doses (RD), dose-escalation cohorts in Part 1 and Part 2, expansion cohorts in Part 3/4 with planned futility analyses (e.g., futility after 10–12 participants have ≥2 post-baseline assessments), and protocol-specified stopping/continuation rules; chemotherapy may be discontinued per response or institutional SOC.
Single Multiple Or Escalation Dose Combined
Yes
Target Sample Size
119

Eligibility

Recruits 119 Vulnerable population selected (isVulnerablePopulationSelected: true). Specific details of consent/assent handling are not provided in the available structured data; subject information and informed consent form (ICF) documents (including pregnancy/partner ICFs) are listed among trial documents for country-specific use..

Vulnerable Population
Vulnerable population selected (isVulnerablePopulationSelected: true). Specific details of consent/assent handling are not provided in the available structured data; subject information and informed consent form (ICF) documents (including pregnancy/partner ICFs) are listed among trial documents for country-specific use.

Inclusion criteria

  • {"criterion_text":"- 1. Participants ≥ 18 years of age at the time of signing the informed consent.\n- 2. Pathologically or histologically documented solid tumor.\n- 3. Locally advanced or relapsed/refractory disease or unresectable metastatic disease.\n- 4. HER2 positive disease (see protocol for futher information)\n- 5. Prior Treatment based on Study Part and Histological Tumor Type (see protocol for futher information)\n- 6. For Part 3 and Part 4 only (Phase 1b arms): at least 1 measurable lesion based on RECIST v1.1 within 6 weeks prior to first dose of ELVN-002.\n- 7. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1\n- 8. Left ventricular ejection fraction (LVEF) ≥ 50% by echocardiogram (ECHO) (multigated acquisition [MUGA] allowed if ECHO cannot be performed) within 28 days of the first dose of ELVN-002"}

Exclusion criteria

  • {"criterion_text":"- 1. Severe cardiac arrhythmias, requiring treatment, symptomatic congestive heart failure (≥ New York Heart Association Functional Classification [NYHAC] II), troponin levels consistent with myocardial infarction within 28 days prior to first dose of ELVN-002, or unstable angina.\n- 10. Treatment with other anticancer therapy according to protocol.\n- 11. Any brain lesion requiring immediate local therapy.\n- 12. Ongoing use of corticosteroids for central nervous system (CNS) symptoms at a dose of > 2 mg daily of dexamethasone (or equivalent) unless have Sponsor approval.\n- 13. Leptomeningeal disease.\n- 14. Uncontrolled seizures.\n- 15. Ongoing adverse effects from prior treatment > CTCAE Grade 1 except for Grade 2 alopecia\n- 16. Corrected QT interval (QTc) of >470 milliseconds (ms) females or >450 ms for males based on average of screening triplicate 12-lead ECG by Fridericia (QTcF)\n- 17. Known hypersensitivity to any component of ELVN-002 including inactive ingredients.\n- 18. Primary immunodeficiency or known HIV infection. Except patients with undetectable viral load (undetectable viral load must be documented while receiving, for at least 30 days, an anti-retroviral therapy that is not prohibited per Appendix 12).\n- 19. Known hypersensitivity to trastuzumab.\n- 2. History of another active malignancy within 2 years prior to the first dose except for previous or concomitant basal cell skin cancer and previous carcinoma in situ treated curatively.\n- 20. For the combination with eribulin: known hypersensitivity to eribulin or dehydrated alcohol.\n- 21. For the combination cohorts with capecitabine: known hypersensitivity to capecitabine or anhydrous lactose, croscarmellose sodium, hydroxypropyl methylcellulose, microcrystalline cellulose, magnesium stearate, talc, titanium dioxide, and synthetic yellow and red iron oxides; known DPD deficiency.\n- 22. For the combination cohorts with 5-FU: known hypersensitivity to 5-FU or known DPD deficiency.\n- 23. For the combination with paclitaxel: known hypersensitivity to Polyoxyl 35 castor oil, NF, dehydrated alcohol, or Citric Acid.\n- 24. For the combination cohorts with oxaliplatin: known hypersensitivity oxaliplatin, any of the excipients or other platinum compounds.\n- 3. Serious medical or psychiatric illness likely to interfere with participation in this clinical trial.\n- 4. Major surgery within 3 weeks of the first dose of ELVN-002.\n- 5. Active or chronic liver disease, including active hepatitis B or C infection.\n- 6. Active infection requiring systemic therapy within 14 days before the first dose of ELVN-002.\n- 7. History of interstitial lung disease or pulmonary fibrosis.\n- 8. Participants for any chemotherapy cohort: ongoing Grade 2 or higher neuropathy of any cause\n- 9. Inability to swallow pills or any significant gastrointestinal disease which would preclude adequate oral absorption of medications."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Phase 1a: ELVN-002 + Trastuzumab: • Incidence of dose limiting toxicities (DLTs)","definition_or_measurement_approach":"Incidence of DLTs as reported during the DLT evaluation window (study-defined dose-limiting toxicities)"}
  • {"endpoint_text":"- Phase 1a: ELVN-002 + Trastuzumab: • Incidence of adverse events (AEs), laboratory abnormalities, and electrocardiogram (ECG) abnormalities","definition_or_measurement_approach":"Incidence of AEs, laboratory and ECG abnormalities collected and graded per protocol (e.g., CTCAE) during treatment"}
  • {"endpoint_text":"- Phase 1a: ELVN-002 + Trastuzumab + Chemotherapy: • Incidence of dose limiting toxicities (DLTs)","definition_or_measurement_approach":"Incidence of DLTs as recorded in the DLT evaluation window for combination cohorts"}
  • {"endpoint_text":"- Phase 1a: ELVN-002 + Trastuzumab + Chemotherapy: • Incidence of dose limiting toxicities (DLTs)","definition_or_measurement_approach":"Incidence of DLTs (duplicate entry in source); measured during DLT evaluation window"}
  • {"endpoint_text":"- Phase 1a: ELVN-002 + Trastuzumab + Chemotherapy: • Incidence of adverse events (Aes), laboratory abnormalities, and electrocardiogram (ECG) abnormalities","definition_or_measurement_approach":"Incidence of AEs, laboratory and ECG abnormalities during treatment as recorded per protocol"}

Secondary endpoints

  • {"endpoint_text":"- Phase 1a: ELVN-002 plasma concentrations and PK parameters, including: area under the curve (AUC), maximum concentration (Cmax), timeat which Cmax is observed (Tmax), minimum concentration (Cmin), terminal half-life (T1/2), and other parameters such as dose proportionality and accumulation ratio","definition_or_measurement_approach":"Plasma concentrations and PK parameters measured from blood samples; standard non-compartmental PK analyses (AUC, Cmax, Tmax, Cmin, T1/2, dose proportionality, accumulation ratio)"}
  • {"endpoint_text":"- Phase 1a: Confirmed ORR as assessed by investigators per RECIST v1.1","definition_or_measurement_approach":"Objective response rate (ORR) confirmed by investigators per RECIST v1.1"}
  • {"endpoint_text":"- Phase 1b: Confirmed ORR and DOR as assessed by ICR per RECIST v1.1","definition_or_measurement_approach":"Confirmed ORR and duration of response (DOR) assessed by independent central review per RECIST v1.1"}
  • {"endpoint_text":"- Phase 1b: Brain metastases response","definition_or_measurement_approach":"Response of brain metastases assessed per protocol imaging criteria (as specified in protocol)"}
  • {"endpoint_text":"- Phase 1b: ELVN-002 plasma concentrations","definition_or_measurement_approach":"Plasma concentration measurements of ELVN-002 in Phase 1b (PK sampling)"}

Recruitment

Planned Sample Size
119
Recruitment Window Months
31
Consent Approach
Adults (≥18 years) provide informed consent. Multiple country-specific ICF documents are listed (Dutch, Italian, Spanish, English, French and country-specific versions including BE language variants). Pregnancy/partner ICFs and pregnancy safety follow-up ICFs are listed among documents.

Geography

Total Number Of Sites
24
Total Number Of Participants
156

Netherlands

Earliest CTIS Part Ii Submission Date
23-07-2024
Latest Decision Or Authorization Date
11-08-2025
Processing Time Days
384
Number Of Sites
2
Number Of Participants
12

Sites

Site Name
Stichting Radboud universitair medisch centrum
Department Name
Medical Oncology
Contact Person Name
Caroline Marie Louise Van Herpen
Contact Person Email
carla.vanherpen@radboudumc.nl
Site Name
Academisch Ziekenhuis Maastricht
Department Name
Medical Oncology
Contact Person Name
Loes Latten-Jansen
Contact Person Email
loes.jansen@mumc.nl

Italy

Earliest CTIS Part Ii Submission Date
22-07-2024
Latest Decision Or Authorization Date
11-08-2025
Processing Time Days
385
Number Of Sites
5
Number Of Participants
36

Sites

Site Name
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Department Name
UOC Fase 1
Contact Person Name
Gennaro Daniele
Site Name
Azienda Ospedaliero Universitaria Pisana
Department Name
Centro di Farmacologia Clinica per La Sperimentazione dei Farmaci
Contact Person Name
Chiara Cremolini
Contact Person Email
chiaracremolini@gmail.com
Site Name
Azienda USL IRCCS Di Reggio Emilia
Department Name
Unità Clinica di Fase 1 - Oncologia Medica Provinciale
Contact Person Name
Maria Banzi
Contact Person Email
maria.banzi@ausl.re.it
Site Name
Azienda Ospedaliero Universitaria Renato Dulbecco
Department Name
UOC Oncologia Medica Traslazionale- Centro Sperimentazioni di Fase I
Contact Person Name
Pierfrancesco Tassone
Contact Person Email
tassone@unicz.it
Site Name
Fondazione IRCCS San Gerardo Dei Tintori
Department Name
Centro Ricerca Fase 1
Contact Person Name
Marina Elena Cazzaniga

Spain

Earliest CTIS Part Ii Submission Date
27-06-2024
Latest Decision Or Authorization Date
13-08-2025
Processing Time Days
412
Number Of Sites
10
Number Of Participants
54

Sites

Site Name
Hospital Universitari Vall D Hebron
Department Name
Medical Oncology Department . Early Drug Development Unit (UITM)
Contact Person Name
Guzman Alonso Casal
Contact Person Email
galonso@vhio.net
Site Name
Hospital Universitari Dexeus Grupo Quironsalud
Department Name
Medical Oncology Service
Contact Person Name
Jose Manuel Pérez García
Site Name
Hospital Beata Maria Ana
Department Name
Medical Oncology Department
Contact Person Name
Javier Cortés Castan
Contact Person Email
javier.cortes@maj3.health
Site Name
Hospital Universitario Y Politecnico La Fe
Department Name
Medical Oncology
Contact Person Name
Guillermo Suay Montagud
Contact Person Email
guillermo_suay@iislafe.es
Site Name
Clinica Universidad De Navarra (Pamplona)
Department Name
Medical Oncology Service
Contact Person Name
Ignacio Matos Garcia
Contact Person Email
imatos@unav.es
Site Name
Fundacion Instituto Valenciano De Oncologia
Department Name
Medical Oncology
Contact Person Name
Marcos Melián Sosa
Contact Person Email
mmelian@fivo.org
Site Name
Hospital Hm Nou Delfos
Department Name
Medical Oncology Department
Contact Person Name
Tatiana Hernández Herrero
Site Name
Clinica Universidad De Navarra (Madrid)
Department Name
Medical Oncology Service
Contact Person Name
Ignacio Matos Garcia
Contact Person Email
imatos@unav.es
Site Name
Hospital Quironsalud Barcelona
Department Name
Oncology Medical Service
Contact Person Name
Fabricio Racca
Contact Person Email
fracca@nextoncology.eu
Site Name
Hospital Universitario Fundacion Jimenez Diaz
Department Name
Medical Oncology Service
Contact Person Name
Bernard Doger de Speville Uribe
Contact Person Email
bernard.doger@startmadrid.com

Belgium

Earliest CTIS Part Ii Submission Date
23-07-2024
Latest Decision Or Authorization Date
11-08-2025
Processing Time Days
384
Number Of Sites
3
Number Of Participants
18

Sites

Site Name
Centre hospitalier universitaire de Liege
Department Name
Centre Multidisciplinaire D'Oncologie Médicale
Contact Person Name
Pierre Freres
Contact Person Email
pfreres@chuliege.be
Site Name
Cliniques Universitaires Saint-Luc
Department Name
Medical Oncology
Contact Person Name
Astrid De Cuyper
Site Name
GasthuisZusters Antwerpen
Department Name
Medical Oncology
Contact Person Name
Tom Van den Mooter
Contact Person Email
tom.vandenmooter@gza.be

France

Earliest CTIS Part Ii Submission Date
23-07-2024
Latest Decision Or Authorization Date
24-11-2025
Processing Time Days
489
Number Of Sites
4
Number Of Participants
36

Sites

Site Name
Institut Regional Du Cancer De Montpellier
Department Name
Medical Oncology
Contact Person Name
Diego Tosi
Contact Person Email
diego.tosi@icm.unicancer.fr
Site Name
Centre Hospitalier Universitaire De Poitiers
Department Name
Medical Oncology Pôle régional de cancérologie
Contact Person Name
Nicolas Isambert
Site Name
Institut de Cancérologie de l'Ouest
Department Name
Medical Oncology
Contact Person Name
Marie Robert
Contact Person Email
marie.robert@ico-unicancer.fr
Site Name
Institut De Cancerologie Strasbourg Europe
Department Name
Medical Oncology
Contact Person Name
Lauriane Eberst
Contact Person Email
l.eberst@icans.eu

Sponsor

Primary sponsor

Full Name
Enliven Therapeutics Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
PPD Global Limited
Responsibilities
Study Start Up and e-Filing; multiple study support responsibilities (see sponsor duties list)
Name
Syneos Health Inc.
Responsibilities
PK analysis
Name
Pharmaceutical Product Development LLC
Responsibilities
Lab Kits supply, Central Laboratory Repository
Name
Perceptive Informatics Inc.
Responsibilities
Electronic image transmission

Third parties

  • {"country":"United States","full_name":"Guardant Health Inc.","duties_or_roles":"Biomarker (ctDNA/ tissue) Analysis","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Fisher Clinical Services Inc.","duties_or_roles":"Clinical Supplies and Batch release","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Signant Health LLC","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Scout Clinical","duties_or_roles":"Patient Travel reimbursement","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"United States","full_name":"Perceptive Informatics Inc.","duties_or_roles":"Electronic image transmission","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"Fisher Clinical Services GmbH","duties_or_roles":"Clinical Supplies and Batch release","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"PPD Global Limited","duties_or_roles":"Study Start Up and e-Filing; additional responsibilities (codes:1,2,5,8,9,11,12,13,15)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Syneos Health Inc.","duties_or_roles":"PK analysis","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Pharmaceutical Product Development LLC","duties_or_roles":"Lab Kits supply, Central Laboratory Repository","organisation_type":"Pharmaceutical company"}
  • {"country":"Canada","full_name":"Syneos Health Clinique Inc.","duties_or_roles":"PK analysis","organisation_type":"Hospital/Clinic/Other health care facility"}

Investigational products

Investigational Product Name
ELVN-002
Active Substance
ELVN-002-1
Modality
Small molecule
Routes Of Administration
ORAL
Route
Oral
Authorisation Status
1
Starting Dose
45 mg BID (Days 1-7; then 90 mg BID from Day 8 in initial cohort)
Dose Levels
45 mg BID; 67.5 mg BID; 90 mg BID; 135 mg BID; 180 mg BID
Frequency
BID
Maximum Dose
180 mg BID
Dose Escalation Increase
Initial 45 mg BID → 67.5 mg BID → 90 mg BID → 135 mg BID → 180 mg BID
Investigational Product Name
Trastuzumab (Herceptin)
Active Substance
Trastuzumab
Modality
Monoclonal antibody
Routes Of Administration
Intravenous (IV) infusion (protocol dosing); product record also lists subcutaneous use
Route
Intravenous
Authorisation Status
2
Starting Dose
8 mg/kg IV (C1 D2 loading dose)
Frequency
8 mg/kg IV one dose (C1D2) then 6 mg/kg IV every 21 days (Cycles 2+)
Combination Treatment
Yes

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