Early Access Program Providing HER2/HER3 Bispecific Antibody, MCLA-128, for a Patient With Advanced NRG1-Fusion Positive Solid Tumor
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ClinicalTrials.gov Identifier: NCT04100694 |
Expanded Access Status :
Available
First Posted : September 24, 2019
Last Update Posted : July 28, 2021
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Condition or disease | Intervention/treatment |
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NRG1 NRG1 Fusion Pancreatic Cancer Non Small Cell Lung Cancer Solid Tumor, Unspecified, Adult Prostate Cancer Head and Neck Cancer Colorectal Cancer Breast Cancer Cholangiocarcinoma Renal Cell Carcinoma Unknown Primary Tumors | Drug: MCLA-128 |
Study Type : | Expanded Access |
Expanded Access Type : | Individual Patients |
See clinical trials of the intervention/treatment in this expanded access record. | |
Official Title: | Treatment Plan of the HER2/HER3 Bispecific Antibody, MCLA-128, for a Patient With Advanced NRG1-Fusion Positive Solid Tumor |


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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Inclusion Criteria:
- Age 18 years or older
- At least one evaluable or measurable lesion according to RECIST v1.1
- Patient with advanced metastatic solid tumor with documented NRG1 fusion determined in a qualified local laboratory by molecular profiling using methods such as next generation sequencing [DNA or RNA] or FISH as routinely performed at CLIA or other similarly-certified laboratories.
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Treatment with anticancer medications or investigational drugs within the following intervals before the first administration of MCLA-128:
- At least 14 days for chemotherapy, targeted small molecule therapy, or radiation therapy OR
- At least 5 half-lives have passed since discontinuation of the systemic treatment
- Eastern Cooperative Oncology Group (ECOG) performance status 0 to 2
- Adequate organ function at the time of initiation of treatment administration
- Negative pregnancy test results in women of childbearing potential (defined as women ≤50 years of age or history of amenorrhea for ≤12 months prior to study entry)
- Ability to give written, informed consent prior to treatment, with the understanding that the consent may be withdrawn by the patient at any time without prejudice
- Not eligible or feasible to participate in a clinical trial
- Any condition that in the opinion of Merus may preclude appropriate use of the investigational medicine
Exclusion Criteria:
- Any untreated, symptomatic central nervous system (CNS) lesion
- Presence of an active and uncontrolled infection
- Leptomeningeal metastases
- Known hypersensitivity to any of the components of MCLA-128 or history of severe hypersensitivity reactions to human or humanized monoclonal antibodies, including therapeutic antibodies
- Presence of NYHA Class III or IV congestive heart failure or LVEF <50% or history of significant cardiac disease, unstable angina, congestive heart failure, myocardial infarction, or ventricular arrhythmia requiring medication
- Presence of any other medical or psychological condition deemed by the Physician to be likely to interfere with a patient's ability to sign informed consent, cooperate or participate in the study, or interfere with the interpretation of the results.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04100694
Contact: For Information | + 31 88 525 3 888 | merus@mytomorrows.com |
Responsible Party: | Merus N.V. |
ClinicalTrials.gov Identifier: | NCT04100694 |
Other Study ID Numbers: |
MCLA-128-CL99; MCLA-128-CL98 |
First Posted: | September 24, 2019 Key Record Dates |
Last Update Posted: | July 28, 2021 |
Last Verified: | July 2021 |
Early Access NRG1 Pancreas cancer Non Small Cell Lung Cancer |
Solid tumor Compassionate use Expanded access |
Neoplasms Carcinoma, Non-Small-Cell Lung Carcinoma, Renal Cell Cholangiocarcinoma Neoplasms, Unknown Primary Lung Neoplasms Respiratory Tract Neoplasms Thoracic Neoplasms Neoplasms by Site Lung Diseases Respiratory Tract Diseases Urogenital Neoplasms Urogenital Diseases Male Urogenital Diseases Carcinoma, Bronchogenic |
Bronchial Neoplasms Adenocarcinoma Carcinoma Neoplasms, Glandular and Epithelial Neoplasms by Histologic Type Kidney Neoplasms Urologic Neoplasms Female Urogenital Diseases Female Urogenital Diseases and Pregnancy Complications Kidney Diseases Urologic Diseases Neoplasm Metastasis Neoplastic Processes Pathologic Processes |