Clinical trial • Phase III • Oncology

MOLGRAMOSTIM for Breast cancer|HER2 positive breast cancer

Phase III trial of MOLGRAMOSTIM for Breast cancer|HER2 positive breast cancer.

Overview

Trial Therapeutic Area
Oncology
Trial Disease
Breast cancer|HER2 positive breast cancer
Trial Stage
Phase III
Drug Modality
Peptide/protein/enzyme

Key dates

Initial CTIS Submission Date
18-10-2023
First CTIS Authorization Date
19-02-2024

Trial design

Randomised, commercially available 0,9 % sterile saline solution with marketing authorization will be utilized as the placebo.-controlled Phase III trial in Poland, Germany, Ireland and others.

Randomised
Yes
Comparator
Commercially available 0,9 % Sterile Saline solution with marketing authorization will be utilized as the placebo.
Biomarker Stratified
True, HLA-A*02 status (HLA-A*02-positive vs non-HLA-A*02)
Target Sample Size
350
Trial Duration For Participant
1095

Stratification factors

  • Estrogen-receptor/progesterone-receptor status (ER/PR status)

Eligibility

Recruits 350 No vulnerable populations selected (isVulnerablePopulationSelected: false). Participants must be > 18 years; informed consent is required from participants. No assent procedures or specific vulnerable-population consent handling are described in the available record..

Pregnancy Exclusion
Negative pregnancy test or evidence of post-menopausal status
Vulnerable Population
No vulnerable populations selected (isVulnerablePopulationSelected: false). Participants must be > 18 years; informed consent is required from participants. No assent procedures or specific vulnerable-population consent handling are described in the available record.

Inclusion criteria

  • {"criterion_text":"-Aged > 18 years\n-Negative pregnancy test or evidence of post-menopausal status\n-If of childbearing potential, willing to use a form of highly effective contraception\n-HLA-A*02-positive, unless being enrolled in the third non-HLA-A*02 arm\n-Histologically confirmed diagnosis of HER2/neu positive primary breast cancer\n-Completion of both neoadjuvant and adjuvant trastuzumab-based standard of care breast cancer therapy\n-Stage I, II, or III at presentation with pathologic evidence of residual invasive carcinoma in the breast or axillary lymph nodes (residual disease) at surgery following completion of neoadjuvant therapy OR Stage III at presentation with pathologic complete response (pCR) at surgery following completion of neoadjuvant therapy\n-The subject can begin study therapy within one year of completion of adjuvant trastuzumab-based therapy and any other standard therapies, but study therapy can be administered concurrently with endocrine therapy. Concurrent neratinib is prohibited.\n-No clinical evidence of residual or persistent breast cancer\n-ECOG 0-2\n-Adequate organ function"}

Exclusion criteria

  • {"criterion_text":"-Stage IV cancer or metastatic breast cancer at any time\n-Known HIV infection with a detectable viral load within 6 months of the anticipated start of treatment. Note: Subjects on effective antiretroviral therapy with an undetectable viral load for a minimum of 6 months of the anticipated start of treatment are eligible for this trial\n-Inflammatory breast cancer\n-Receiving other investigational agents\n-Receiving chemotherapy\n-Requiring long-term systemic treatment with corticosteroids or other immunosuppressive therapy\n-History of immunodeficiency or active autoimmune disease\n-A history of serious allergic reactions, including anaphylaxis, to human granulocyte-macrophage colony-stimulating factors such as sargramostim, yeast-derived products, or any component of the investigational product\n-Other malignancies except adequately treated in situ carcinoma of the cervix or basal cell or squamous cell carcinoma of the skin\n-Active infection"}

Endpoints

Primary endpoints

  • {"endpoint_text":"-IBCFS is defined as the time from randomization (or first dose of study medication if in the non-randomized arm) until the date of ipsilateral invasive breast cancer recurrence, ipsilateral local-regional invasive breast cancer recurrence, distant recurrence, contralateral invasive breast cancer, or any cause mortality.","definition_or_measurement_approach":"Defined as time from randomization (or first dose if in non-randomized arm) to first occurrence of ipsilateral invasive breast cancer recurrence, ipsilateral local-regional invasive breast cancer recurrence, distant recurrence, contralateral invasive breast cancer, or death from any cause."}

Secondary endpoints

  • {"endpoint_text":"-IDFS is defined as the time from randomization (or first dose of study medication if in the non-randomized arm) until the date of ipsilateral invasive breast cancer recurrence, ipsilateral local-regional invasive breast cancer recurrence, distant recurrence, contralateral invasive breast cancer, second primary non-breast invasive cancer, or any cause mortality.","definition_or_measurement_approach":"Defined as time from randomization (or first dose if in non-randomized arm) to first occurrence of ipsilateral invasive breast cancer recurrence, ipsilateral local-regional invasive breast cancer recurrence, distant recurrence, contralateral invasive breast cancer, second primary non-breast invasive cancer, or death from any cause."}
  • {"endpoint_text":"-The overall survival (OS) in the study population as defined as the time from randomization (or first dose of study medication if in the non-randomized arm) until death from any cause.","definition_or_measurement_approach":"Defined as time from randomization (or first dose if in non-randomized arm) to death from any cause."}
  • {"endpoint_text":"-Quality of life as assessed by QLQ-C30 and FACT-GP5.","definition_or_measurement_approach":"Measured using the EORTC QLQ-C30 questionnaire and FACT-GP5 instruments as specified in the protocol."}
  • {"endpoint_text":"-The frequency of adverse events (AEs) and serious adverse events (SAEs) characterized by type, severity (as defined by the NIH CTCAE, version 5.0), seriousness, duration, and relationship to study treatment.","definition_or_measurement_approach":"AEs/SAEs will be recorded and categorized by type, CTCAE v5.0 grade, seriousness, duration, and assessed relationship to study treatment."}

Other endpoints

  • {"endpoint_text":"-Exploratory Endpoints: • Immune response will be measured by Delayed-Type Hypersensitivity (DTH) tests and immunologic assays. • Safety, efficacy, and immune response as defined above in non-HLA-A*02 breast cancer subjects","definition_or_measurement_approach":"Immune response assessment via Delayed-Type Hypersensitivity (DTH) tests and immunologic assays; applies also to safety and efficacy measures in non-HLA-A*02 subjects as exploratory analyses."}

Recruitment

Planned Sample Size
350
Recruitment Window Months
72
Consent Approach
Informed consent is obtained from participants using subject information sheets and ICFs. Pre-screening ICFs, main ICFs, pregnancy follow-up ICFs and site-specific ICF materials are available; multiple language versions are provided for participating countries. No assent procedures for minors are described.

Geography

Total Number Of Participants
350

Poland

Earliest CTIS Part Ii Submission Date
19-01-2024
Latest Decision Or Authorization Date
23-02-2024
Processing Time Days
35
Number Of Sites
11
Number Of Participants
20

Sites

Site Name
Uniwersytecki Szpital Kliniczny W Poznaniu
Department Name
Institue of Oncology
Principal Investigator Name
Rodryg Ramlau
Principal Investigator Email
rramlau@gmail.com
Contact Person Name
Rodryg Ramlau
Contact Person Email
rramlau@gmail.com
Site Name
Zachodniopomorskie Centrum Onkologii
Department Name
Oddzial Onkologii Klinicznej
Principal Investigator Name
Katarzyna Hetman
Principal Investigator Email
khetman@onkologia.szczecin.pl
Contact Person Name
Katarzyna Hetman
Contact Person Email
khetman@onkologia.szczecin.pl
Site Name
Samodzielny Publiczny Zaklad Opieki Zdrowotnej Szpital Uniwersytecki W Krakowie
Department Name
Oddzial Kliniczny Onkologii
Principal Investigator Name
Piotr Wysocki
Principal Investigator Email
piotr.wysocki@uj.edu.pl
Contact Person Name
Piotr Wysocki
Contact Person Email
piotr.wysocki@uj.edu.pl
Site Name
Instytut Centrum Zdrowia Matki Polki
Department Name
klinika onkologii
Principal Investigator Name
Ewa Kalinka
Principal Investigator Email
ewakalinka@wp.pl
Contact Person Name
Ewa Kalinka
Contact Person Email
ewakalinka@wp.pl
Site Name
Mruk-Med I Sp. z o.o.
Department Name
Oddzial Onkologii Klinicznej
Principal Investigator Name
Andrzej Mruk
Principal Investigator Email
kmruk@vp.pl
Contact Person Name
Andrzej Mruk
Contact Person Email
kmruk@vp.pl
Site Name
Wojskowy Instytut Medyczny Panstwowy Instytut Badawczy
Department Name
Oncology
Principal Investigator Name
Renata Duchnowska
Principal Investigator Email
rduchnowska@wim.mil.pl
Contact Person Name
Renata Duchnowska
Contact Person Email
rduchnowska@wim.mil.pl
Site Name
Wojewodzki Szpital Specjalistyczny Im. Janusza Korczaka W Slupsku Sp. z o.o.
Department Name
Oncology
Principal Investigator Name
Wojciech Rogowski
Principal Investigator Email
wojciech.rogowski.apple@gmail.com
Contact Person Name
Wojciech Rogowski
Site Name
Narodowy Instytut Onkologii Im. Marii Sklodowskiej-Curie Panstwowy Instytut Badawczy
Department Name
Oncology
Principal Investigator Name
Zbigniew Nowecki
Principal Investigator Email
zbigniew.nowecki@nio.gov.pl
Contact Person Name
Zbigniew Nowecki
Contact Person Email
zbigniew.nowecki@nio.gov.pl
Site Name
Szpital Specjalistyczny Im. Ludwika Rydygiera W Krakowie Sp. z o.o.
Department Name
Oddzial Onkologii Klinicznej
Principal Investigator Name
Marek Jasiowska
Principal Investigator Email
badaniakliniczne@rydygierkrakow.pl
Contact Person Name
Marek Jasiowska
Site Name
Samodzielny Publiczny Zaklad Opieki Zdrowotnej Opolskie Centrum Onkologii Im Prof Tadeusza Koszarowskiego W Opolu
Department Name
Klinika Onkologii
Principal Investigator Name
Barbara Radecka
Principal Investigator Email
brad@onkologia.opole.pl
Contact Person Name
Barbara Radecka
Contact Person Email
brad@onkologia.opole.pl
Site Name
Przychodnia Lekarska Komed Roman Karaszewski
Department Name
Osrodek Badan Klinicznych III
Principal Investigator Name
Bogusława Karaszewska
Principal Investigator Email
komed.badania@gmail.com
Contact Person Name
Bogusława Karaszewska
Contact Person Email
komed.badania@gmail.com

Germany

Earliest CTIS Part Ii Submission Date
08-01-2024
Latest Decision Or Authorization Date
21-02-2024
Processing Time Days
44
Number Of Participants
40

Ireland

Earliest CTIS Part Ii Submission Date
30-04-2025
Latest Decision Or Authorization Date
03-06-2025
Processing Time Days
34
Number Of Sites
1
Number Of Participants
25

Romania

Earliest CTIS Part Ii Submission Date
16-05-2025
Latest Decision Or Authorization Date
11-06-2025
Processing Time Days
26
Number Of Sites
5
Number Of Participants
25

Italy

Earliest CTIS Part Ii Submission Date
31-10-2023
Latest Decision Or Authorization Date
21-02-2024
Processing Time Days
113
Number Of Participants
31

Spain

Earliest CTIS Part Ii Submission Date
22-11-2023
Latest Decision Or Authorization Date
19-02-2024
Processing Time Days
89
Number Of Participants
75

Belgium

Earliest CTIS Part Ii Submission Date
09-07-2025
Latest Decision Or Authorization Date
25-07-2025
Processing Time Days
16
Number Of Sites
1
Number Of Participants
25

France

Earliest CTIS Part Ii Submission Date
21-12-2023
Latest Decision Or Authorization Date
20-02-2024
Processing Time Days
61
Number Of Participants
20

Austria

Earliest CTIS Part Ii Submission Date
03-09-2025
Latest Decision Or Authorization Date
29-09-2025
Processing Time Days
26
Number Of Sites
1
Number Of Participants
20

Portugal

Earliest CTIS Part Ii Submission Date
19-05-2025
Latest Decision Or Authorization Date
09-09-2025
Processing Time Days
113
Number Of Sites
2
Number Of Participants
25

Sponsor

Primary sponsor

Full Name
Greenwich LifeSciences Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Investigational products

Investigational Product Name
GLSI-100 (GP2 + GM-CSF)
Active Substance
MOLGRAMOSTIM
Modality
Peptide/protein/enzyme
Routes Of Administration
INTRADERMAL
Route
INTRADERMAL
Authorisation Status
authorised
Maximum Dose
500 mEq/Aµg milliequivalent(s)/microgram
Investigational Product Name
Leukine
Active Substance
SARGRAMOSTIM
Modality
Peptide/protein/enzyme
Routes Of Administration
INTRADERMAL
Route
INTRADERMAL
Authorisation Status
authorised
Maximum Dose
125 mEq/Aµg milliequivalent(s)/microgram
Investigational Product Name
Commercially available 0,9 % Sterile Saline solution (placebo)
Modality
Other
Authorisation Status
Commercially available with marketing authorization (placebo)
Combination Treatment
Yes

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