New Dual-Targeting antibody enters human trials for Hard-to-Treat cancers
NCT ID NCT04930432
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing an experimental drug called MCLA-129 in people with advanced solid tumors, including non-small cell lung cancer, head and neck cancer, and colorectal cancer. The drug is a bispecific antibody designed to attach to two cancer-related proteins (EGFR and c-Met) to block tumor growth. The trial aims to find the safest dose and see if the drug can shrink tumors. About 400 participants will be enrolled across multiple centers.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- MCLA-129 (a bispecific antibody that targets two cancer-related proteins, EGFR and c-Met)
- What this could lead to
- If successful, this could provide a new treatment option for people with advanced solid tumors who have run out of standard therapies.
- What could go wrong
- This is an early-phase trial (Phase I/II) with a small number of participants, so the drug may not prove effective or may cause significant side effects. It is not yet known if it will work better than existing treatments.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 400 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2021
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Subjects are ≥ 18 years of age, regardless of gender. * Subjects must have histologically or cytologically confirmed metastatic or unresectable advanced NSCLC or other solid tumors (including but not limited to head and neck cancer, colorectal cancer, etc.), have disease progression after standard treatment, or are intolerant to standard treatment, or refuse standard treatment (Refusal of standard treatment does not apply to Part 2). * For Part 1, subjects must be diagnosed with EGFR positive and/or MET positive by testing. For patients with advanced NSCLC, EGFR positive is defined as: EGFR mutation or EGFR amplification. MET positive is defined as: MET amplification or MET exon 14 skipping mutation. For patients with other advanced solid tumors other than NSCLC, EGFR positive is defined as: High EGFR expression or EGFR amplification. MET positive is defined as: c-Met high expression or MET amplification. • For Part 2, patients shall meet the inclusion criteria for each cohort by biomarker testing. Cohort A: Patients with advanced NSCLC who are previously diagnosed with EGFR mutations and treated with third-generation EGFR-TKIs for drug resistance. Cohort B: Advanced NSCLC patients diagnosed with EGFR exon 20 insertion mutation (Exon20ins). Cohort C: Advanced NSCLC patients with MET amplification. Cohort D: Advanced NSCLC patients with MET exon 14 skipping mutation (Exon14 skipping). Cohort E: Patients with locally advanced or recurrent metastatic colorectal cancer (CRC) could not undergo curative treatment. Cohort F: Other advanced solid tumors that have failed or are intolerant to standard therapy. Cohort G: Patients with locally advanced or metastatic MET-amplified or MET-overexpressing other driver gene-negative non-small cell lung cancer, gastric/gastroesophageal junction adenocarcinoma \[including signet ring cell carcinoma, mucinous adenocarcinoma, and hepatoid adenocarcinoma\], or recurrent/metastatic \[R/M\] head and neck squamous cell carcinoma \[primary sites: oral cavity, oropharynx, hypopharynx, or larynx\], who are not candidates for curative treatment. * For subjects in the dose escalation phase of Part 1, evaluable lesions must be present; other subjects must have measurable lesions that meet the definition of RECIST v1.1. * Eastern Cooperative Oncology Group (ECOG) performance status of 0-1. * Expected survival ≥3 months. * Have adequate organ function (no blood transfusion or use of blood component or G-CSF support within 14 days before testing). * Willing and able to follow the trial and follow-up procedures. * Able to understand the nature of the trial and voluntarily sign the written informed consent form. Exclusion Criteria: * For colorectal cancer subjects, HER-2 positivity (IHC 2+/3+ or FISH/NGS+) confirmed by local or central laboratory genetic testing. * Have received an investigational product or anti-tumor drug treatment within 14 days before the first dose of MCLA-129 or within 5 half-lives of the drug (whichever is longer). For cohort E1, the interval between the last dose of EGFR monoclonal antibody and the first dose of MCLA-129 was less than 6 months. * Have undergone a major surgery and radiotherapy (local palliative radiotherapy is allowed 2 weeks or more prior to the first dose) within 4 weeks prior to the first dose of MCLA-129. * For patients with colorectal cancerr, head and neck squamous cell carcinoma, or gastric/gastroesophageal junction adenocarcinoma: patients who have previously received systemic anti-tumor therapy beyond the third line (excluding maintenance therapy). * For subjects with non-small cell lung cancer only: have received more than 2 prior lines of cytotoxic chemotherapy for locally advanced or metastatic diseases (excluding maintenance therapy). * For advanced NSCLC patients with EGFR Exon20ins mutation: have received prior EGFR-TKI therapy (e.g., poziotinib, TAK-788, DZD9008, CLN-081, or furmonertinib, etc.) that is known to be effective against Exon20ins. * Prior use of EGFR/c-Met bispecific antibody or ADC drugs (such as Amivantamab, EMB-01, GB263T, PM1080/HS-20117, TAVO412, YH013/ DM005, SHR-9839 or AZD9592 etc.). * Prior to the first dose of MCLA-129, previous treatment-related toxicities have not resolve to Grade 1 or below (CTCAE 5.0 criteria), except for alopecia. * Have had other malignancies within the past 3 years, except for cancers that have been totally cured or locally cured, such as basal or squamous cell carcinoma of the skin, cervical cancer in situ, or breast cancer in situ. * Patients with primary malignant tumor of central nervous system, or metastases to meninges, spinal cord compression, or at risk of cerebral hemorrhage, or concomitantly with symptomatic brain metastases, or new therapy naive brain metastases. For cohorts E, F and G (excluding NSCLC patients): Patients with known brain metastases and/or meningeal metastases, or primary malignant tumor of central nervous system. Subjects with neurological symptoms shall have a brain CT/MRI scan to exclude brain metastases. * With clinically significant cardiovascular and cerebrovascular diseases. * Active hepatitis B (positive hepatitis B surface antigen (HBsAg) or core antibody (HBcAb) and serum HBV DNA ≥ 2,000 IU/mL \[equivalent to 104 copies/mL\]), positive hepatitis C virus antibody, HIV antibody and treponema pallidum antibody. * Subjects with a history of interstitial lung disease or current clinical evidence of interstitial lung disease, including drug-induced Interstitial lung disease, radiation pneumonitis or pulmonary fibrosis. Subjects who could not be ruled out for suspected interstitial lung disease/pulmonary fibrosis through imaging examinations during screening, or those with uncontrolled/unstable non-infectious pneumonitis/pulmonary inflammation are excluded. * Presence of a serious disease or medical condition currently, including but not limited to uncontrolled active infection, uncontrolled pleural or peritoneal effusion, unstable/uncontrolled tuberculosis, active gastrointestinal diseases, gastrointestinal obstruction or perforation risks, and clinically significant pulmonary, metabolic or psychiatric diseases. * Females of childbearing potential, pregnant or breastfeeding women with a positive serum pregnancy test 7 days before the start of treatment, and male and female subjects who are unwilling to use effective contraceptive measures or plan to have a child throughout the treatment period and within 3 months after the end of treatment. * Patients with known allergic reactions and hypersensitivity reactions, or be allergic to MCLA-129 or any of its excipients. * Patients with poor compliance, inability or unwillingness to follow the study and/or follow-up procedure listed in the protocol, or patients who are not suitable to participate in this trial, as determined by the investigator.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
87 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Affiliated Hospital of Hebei University
RECRUITINGBaoding, China
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Army Medical Center of PLA
RECRUITINGChongqing, China
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Beijing Cancer Hospital
RECRUITINGBeijing, China
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Beijing Friendship Hospital, Capital Medical University
RECRUITINGBeijing, China
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Beijing Tongren Hospital
RECRUITINGBeijing, China
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Cancer Hospital affiliated to Harbin Medical University
RECRUITINGHa’erbin, China
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Cancer Hospital of Chinese Academy of Medical Sciences Shenzhen Hospital
RECRUITINGShenzhen, China
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Cancer Hospital of Shantou University Medical College
RECRUITINGShantou, China
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Cancer Hospital of The University of Chinese Academy of Sciences
RECRUITINGHangzhou, China
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Cancer Institute and Hospital, Chinese Academy of Medical Sciences
RECRUITINGBeijing, China
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Cangzhou Hospital of Integrated TCM-WM·Hebei
RECRUITINGCangzhou, China
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Chifeng Municipal Hospital
RECRUITINGChifeng, China
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China-Japan Union Hospitai Of Jilin University
RECRUITINGCh’ang-ch’un, China
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Chongqing University Cancer Hospital
RECRUITINGChongqing, China
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First Affiliated Hospital Of Gannan Medical University
RECRUITINGGanzhou, China
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First Hospital of Qinhuangdao
RECRUITINGQinhuangdao, China
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Fujian Cancer Hospital
RECRUITINGFuzhou, China
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Fuzhou Pulmonary Hospital of Fujian
RECRUITINGFuzhou, China
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General Hospital of Eastern Theater Command
RECRUITINGNanjing, China
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General Hospital of Tianjin Medical University
RECRUITINGTianjin, China
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Guangdong Province Traditional Chinese Medical Hospital
RECRUITINGGuangzhou, China
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Guangxi Medical University Cancer Center
RECRUITINGNanning, China
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Hanzhong Central Hospital
RECRUITINGHanzhong, China
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Harbin Medical University Cancer Hospital
RECRUITINGHarbin, China
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Harbin Medical University cancer hospital
RECRUITINGHa’erbin, China
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He Nan Cancer Hospital
RECRUITINGZhengzhou, China
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Henan Cancer Hospital (Affiliated Cancer Hospital of Zhengzhou University)
RECRUITINGHenan, China
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Henan Provincial People's Hospital
RECRUITINGZhengzhou, China
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Henan Provincial People's Hospital
RECRUITINGZhenzhou, China
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Hospital of Ningxia Medical University
RECRUITINGYinchuan, China
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Hubei Cancer Hospital
RECRUITINGWuhan, China
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Hunan Cancer Hospital
RECRUITINGChangsha, China
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Inner Mongolia People's Hospital
RECRUITINGHohhot, China
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Ji Lin Cancer Hospital
RECRUITINGChangchun, China
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Jiangsu Cancer Hospital
RECRUITINGNanjing, China
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Jiangsu Province Hospital
RECRUITINGNanjing, China
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Jiangxi Cancer Hospital
RECRUITINGNanchang, China
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Jiangxi cancer hospital
RECRUITINGJiangxi, China
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Liaoning Cancer Hospital
RECRUITINGShenyang, China
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Liaoning Cancer Hospital & Institute
RECRUITINGShenyang, China
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Nanjing Drum Tower Hospital
RECRUITINGNanjing, China
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Nantong Tumor Hospital
RECRUITINGNantong, China
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Peking University International Hospital
RECRUITINGBeijing, China
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Qingdao Central Hospital
RECRUITINGQingdao, China
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Renmin Hospital of Wuhan University/Hubei General Hospital
RECRUITINGWuhan, China
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Shandong Cancer Hospital & institute
RECRUITINGJinan, China
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ShangHai Chest Hospital
RECRUITINGShanghai, China
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Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine
RECRUITINGShanghai, China
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Shanxi Provincial Cancer Hospital
RECRUITINGTaiyuan, China
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Shenzhen People's Hospital
RECRUITINGShenzhen, China
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Sichuan Cancer Hospital
RECRUITINGChengdu, China
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Sun Yat-sen Memorial Hospital, Sun Yat-sen University
RECRUITINGGuangzhou, China
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Taizhou Hospital of Zhejiang Province
RECRUITINGTaizhou, China
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The 900 Hospital of the Joint Service Support Force of the People's Liberation Army of China
RECRUITINGFuzhou, China
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The Affiliated Hospital of Qingdao University
RECRUITINGQingdao, China
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The Fifth Medical Center of PLA Ceneral Hospital
RECRUITINGBeijing, China
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The First Affiliated Hospital Of Xiamen University
RECRUITINGXiamen, China
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The First Affiliated Hospital of Bengbu Medical College
RECRUITINGBengbu, China
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The First Affiliated Hospital of Bengbu Medical University
RECRUITINGBengbu, China
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The First Affiliated Hospital of Dalian Medical University
RECRUITINGDalian, China
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The First Affiliated Hospital of Soochow University
RECRUITINGSuzhou, China
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The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital)
RECRUITINGWuhu, China
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The First Affiliated Hospital of Wenzhou Medical University
RECRUITINGWenzhou, China
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The First Affiliated Hospital of Xi'an Jiaotong University
RECRUITINGXi'an, China
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The First Affiliated Hospital of Zhengzhou University
RECRUITINGZhengzhou, China
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The First Affiliated Hospital, Zhejiang University School of Medicine
RECRUITINGHangzhou, China
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The First Hospital of China Medical University
RECRUITINGShenyang, China
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The First Hospital of Jilin University
RECRUITINGJilin City, China
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The First Hospital of Lanzhou University
RECRUITINGLanzhou, China
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The Frist Affiliated Hospital of Guangzhou Medical College
RECRUITINGGuangzhou, China
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The No. 2 People's Hospital of Yibin Sichuan
RECRUITINGYibin, China
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The Second Affiliated Hospital Zhejiang University School of Medicine
RECRUITINGHangzhou, China
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The Second Hospital of Anhui Medical University
RECRUITINGHefei, China
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The Second Xiangya Hospital of Central South University
RECRUITINGChangsha, China
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The Sixth Affiliated Hospital, Sun Yat-sen University
RECRUITINGGuangzhou, China
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Tianjin Medical University Cancer Institute & Hospital
RECRUITINGTianjin, China
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Tonghua Central Hospital
RECRUITINGTonghua, China
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Union Hospital, Tongji Medical College Huazhong University of Science and Technolog
RECRUITINGWuhan, China
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Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
RECRUITINGWuhan, China
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Weifang People's Hospital
RECRUITINGWeifang, China
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West China Hospital, Sichuan University
RECRUITINGChengdu, China
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Xiangya Hospital of Central South University
RECRUITINGChangsha, China
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Xuzhou Central Hospital
RECRUITINGXuzhou, China
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Yantai Yuhuangding Hospital
RECRUITINGYantai, China
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Yunnan Cancer Hospital
RECRUITINGKunming, China
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Zhejiang Cancer Hospital
RECRUITINGHangzhou, China
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Zhongnan Hospital Affiliated to Wuhan University
RECRUITINGWuhan, China
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Other studies related to the condition(s) this trial covers.
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