Treatment
Trastuzumab clinical trials
We’re tracking 238 recruiting studies that include Trastuzumab, each written for real people, not researchers, below.
Recruiting studies
- NCT06686394RecruitingPhase 1/Phase 2
Patritumab deruxtecan combinations for advanced HER2-positive breast cancer
This trial tests a new drug, patritumab deruxtecan, combined with other anti-cancer drugs for people with HER2-positive breast cancer that has spread or cannot be removed by surgery. It aims to see if these combinations can shrink tumors or slow cancer growth.
Aurora, ColoradoAges 18 years+ - NCT06589830RecruitingPhase 2
TL938 with Trastuzumab for HER2+ Colorectal Cancer
This trial is testing a new combination of drugs (TL938 and trastuzumab) for people with a specific type of advanced colorectal cancer that is HER2-positive and RAS wild-type. It may offer a new option if you have already tried standard chemotherapy and a blood vessel-blocking drug.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06551220Recruiting
T-DXd for advanced breast cancer with various HER2 levels
This study looks at how well the drug T-DXd (Enhertu) works against breast cancer that has spread or can't be removed with surgery. It includes patients with any level of HER2 protein, so it might be an option even if your cancer has low HER2.
New Haven, ConnecticutAges 18–80 - NCT06532006RecruitingPhase 3
HLX22 plus trastuzumab and chemo for HER2+ stomach cancer
This trial tests adding a new drug, HLX22, to the standard combination of trastuzumab and chemotherapy for people with HER2-positive stomach or gastroesophageal junction cancer that hasn't been treated yet. The goal is to see if this three-drug mix works better than the usual two-drug approach.
Anaheim, CaliforniaAges 18 years+ - NCT06435429RecruitingPhase 3
Zanidatamab vs trastuzumab for HER2+ breast cancer
This study compares a new drug called zanidatamab against trastuzumab (Herceptin), both given with a chemotherapy of your doctor's choice. It is for people with HER2-positive breast cancer that has spread and who have already tried T-DXd treatment.
Phoenix, ArizonaAges 18 years+ - NCT06364410RecruitingPhase 1
Testing a new drug combo for stomach and other solid tumors
This trial tests a combination of two drugs, trastuzumab deruxtecan and azenosertib, for people with stomach cancer or other solid tumors that have a specific protein called HER2. It aims to see if this combination can help when other treatments have stopped working.
Houston, TexasAges 18 years+ - NCT06210776Recruiting
Study of T-DXd in Chinese breast cancer patients
This study looks at how well Trastuzumab Deruxtecan (T-DXd) works in Chinese women with breast cancer that has spread. It is for people whose cancer is either HER2-positive or HER2-low and who have already had some treatment.
BeijingAges 18 years+ - NCT06123338RecruitingPhase 2
Pembrolizumab plus chemo and trastuzumab for HER2+ stomach cancer
This trial tests adding pembrolizumab to standard trastuzumab and chemotherapy for people with HER2-positive stomach or esophageal cancer that can be fully removed with surgery. The goal is to see if this combination improves outcomes before and after surgery.
Boston, MassachusettsAges 18 years+ - NCT06085755RecruitingPhase 1/Phase 2
Combination drug therapy for HER2-low stomach cancer
This trial tests two targeted drugs, trastuzumab deruxtecan and afatinib, together for advanced stomach or gastroesophageal junction cancer that has low levels of the HER2 protein. The goal is to see if the combination shrinks tumors or slows cancer growth.
SeoulAges 19 years+ - NCT04553770RecruitingPhase 2
Trastuzumab deruxtecan with or without anastrozole for early breast cancer
This Phase 2 study tests whether trastuzumab deruxtecan alone or combined with anastrozole can control early-stage breast cancer that is HER2-low and hormone-receptor positive. It aims to improve outcomes after initial surgical treatment by targeting cancer cells that may have low levels of HER2.
Fullerton, CaliforniaAges 18 years+ - NCT06058988RecruitingPhase 2
T-DXd for people with brain cancer
This trial tests a drug called Trastuzumab Deruxtecan (T-DXd) for people with brain tumors that are either glioblastoma or have spread from other cancers. Doctors will see if T-DXd can shrink tumors or slow their growth, and they will collect tumor tissue during surgery or biopsy to study how the drug works.
New York, New YorkAges 18 years+ - NCT05800275RecruitingPhase 2
Tucatinib and capecitabine plus spinal trastuzumab for HER2+ cancer
This Phase 2 trial tests a combination of tucatinib and capecitabine (taken by mouth) plus trastuzumab delivered into the spinal fluid, to treat breast cancer that has spread to the leptomeninges (lining around the brain/spinal cord). It may help reduce cancer activity in the spinal fluid and improve symptoms.
BordeauxAges 18 years+ - NCT06016387RecruitingPhase 2
Drug combo with radiation for HER2+ breast cancer spread to spinal lining
This trial tests a combination of three targeted drugs (tucatinib, trastuzumab, and capecitabine) along with radiation to the brain or spine for people whose HER2-positive breast cancer has spread to the lining of the brain or spinal cord. The goal is to see if this treatment is safe and effective.
Ottawa, OntarioAges 18 years+ - NCT05950945RecruitingPhase 3
Trastuzumab deruxtecan for HER2-low metastatic breast cancer
This trial tests a targeted antibody-drug medicine (trastuzumab deruxtecan, T-DXd) in people with metastatic breast cancer that is HER2-low or HER2 IHC 0. It may help by treating tumors that haven’t previously received anti-HER2 treatment in the metastatic setting.
Miami Beach, FloridaAges 18 years+ - NCT05786716RecruitingPhase 2/Phase 3
Trastuzumab plus pertuzumab for HER2-mutated cancers
This trial tests whether combining trastuzumab and pertuzumab can treat cancers that have HER2 amplification or an activating HER2 mutation. It looks at people ages 12 and older, and may include both children/teens and adults, using the study drug based on their HER2 test results.
BelfastAges 12 years+ - NCT05673928RecruitingPhase 2
Tucatinib and T-DM1 for HER2-positive brain-metastasis tumors
This Phase 2 study tests tucatinib plus T-DM1 (ado-trastuzumab emtansine) in people with HER2-positive metastatic solid tumors that have spread to the brain. It aims to shrink brain and body tumors and help control cancer that is progressing in the brain.
Houston, TexasAges 18 years+ - NCT05672524RecruitingPhase 2
Tucatinib plus trastuzumab for HER2-positive rectal cancer
This Phase 2 study tests whether tucatinib combined with trastuzumab can slow or shrink rectal cancer that is HER2-positive and has certain genetic tumor features. If you qualify, you may benefit from a targeted treatment approach aimed at the HER2 pathway.
Basking Ridge, New JerseyAges 18 years+ - NCT05372614RecruitingPhase 1
Testing trastuzumab deruxtecan and neratinib for HER2-positive cancers
This trial tests a combination of two targeted drugs, trastuzumab deruxtecan (Enhertu) and neratinib, for people with solid tumors that have a HER2 gene change. The goal is to see if the combination is safe and works well for cancers that have not responded to at least one prior treatment.
Duarte, CaliforniaAges 18 years+ - NCT05325632RecruitingPhase 2
HER2 breast cancer vaccine plus chemo and targeted antibodies
This Phase 2 study tests a personalized immune-therapy vaccine made from your immune cells, given with weekly paclitaxel and HER2-targeted antibodies (trastuzumab and pertuzumab). It aims to improve treatment outcomes for people with HER2-positive breast cancer before standard local treatment (like surgery and radiation).
Tampa, FloridaAges 18 years+ - NCT05274048RecruitingPhase 1
Neratinib plus antibody-drug for HER2-positive stomach or esophagus cancer
This early-phase trial tests neratinib together with an antibody-drug to treat advanced HER2-positive gastro-esophageal (stomach/esophagus) cancer that can’t be removed by surgery. It’s for people whose cancer has progressed after at least one HER2-targeted treatment, aiming to shrink tumors and improve outcomes.
Palo Alto, CaliforniaAges 18 years+ - NCT05253651RecruitingPhase 3
Tucatinib plus trastuzumab with chemo for HER2+ metastatic colon cancer
This trial tests whether adding tucatinib and trastuzumab to standard chemotherapy works better than standard treatment alone for people with HER2-positive metastatic colon or rectal cancer. It aims to improve how long people live and how well tumors respond as first treatment for advanced disease.
Glendale, ArizonaAges 18 years+ - NCT05187182RecruitingPhase 1
Testing a new cancer drug with FOLFOX and immune therapy
This Phase 1 study tests CA-4948 given with standard chemotherapy (FOLFOX) and an immune therapy (an immune checkpoint inhibitor, similar to PD-1). It’s for people with advanced stomach or esophageal cancer that can’t be removed by surgery, to see how well the treatment works and whether it’s safe.
St Louis, MissouriAges 18 years+ - NCT04886531RecruitingPhase 2
Pre-surgery neratinib plus hormone therapy with trastuzumab
This study tests whether a pre-surgery treatment plan that adds neratinib to hormone therapy and trastuzumab can shrink HER2-positive, ER-positive breast cancer before surgery. It may help patients by improving how much cancer is eliminated at the time of surgery.
Chicago, IllinoisAges 18 years+ - NCT04893109RecruitingPhase 2
Study compares two HER2 breast cancer treatments after surgery
This Phase 2 study tests two different medicines given after breast surgery to reduce the risk of cancer coming back. It is only for people with early-stage HER2-positive breast cancer with limited or no lymph node spread.
San Francisco, CaliforniaAges 18 years+
Common questions
- Are there clinical trials studying Trastuzumab?
- Yes. Clin2 currently lists 238 recruiting studies that include Trastuzumab, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a Trastuzumab trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is Trastuzumab an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether Trastuzumab or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.