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Pancreatic CancerPhase 2NCT07415525

IBI343 Combined With Chemotherapy as Neoadjuvant Therapy in Borderline Resectable Pancreatic Cancer

A Phase 2 study testing IBI343 in people with Pancreatic Cancer and Borderline Resectable Pancreatic Adenocarcinoma, run by Zhejiang University at 1 site in China.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Sites and contacts
Official record
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Trial summary

This study is a Phase II trial evaluating the safety and efficacy of IBI343 in combination with chemotherapy as neoadjuvant therapy for subjects with borderline resectable pancreatic cancer (BRPC). The study enrolls treatment-naïve subjects with CLDN18.2-positive BRPC, confirmed by imaging and pathological diagnosis. Read more about this study

Who is it for?
Ages 18 to 75 years
What is being tested?
IBI343
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
40 participants
Where
1 siteChina
Study dates
1 Feb 2026to 31 Dec 2030
Phase
Phase 2
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • (1)Sign a written Informed Consent Form (ICF), willing and able to comply with the visits and related procedures specified in the protocol.
  • (2)Histopathologically confirmed pancreatic adenocarcinoma.
  • (3)No evidence of distant metastasis as assessed by imaging (must include chest, abdomen, and pelvis). Bone scan or PET/CT may be performed for confirmation if necessary.
  • (4)Confirmed borderline resectable pancreatic cancer as assessed by imaging (abdominal contrast-enhanced CT or contrast-enhanced MRI), with resectability determined according to the NCCN 2025.V2 guidelines for pancreatic cancer.
  • (5)No prior anti-tumor treatment for the studied disease, including surgery, radiotherapy, chemotherapy, targeted therapy, immunotherapy, etc.
  • (6)Age ≥18 years and ≤75 years, regardless of gender.
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  • (7)Eastern Cooperative Oncology Group Performance Status (ECOG PS) score of 0 or 1.
  • (8)Expected survival ≥12 weeks.
  • (9)Adequate bone marrow and organ function.
  • (10)Female subjects of childbearing potential or male subjects with female partners of childbearing potential must use effective contraception throughout the treatment period and for 6 months after treatment.
  • (11)Confirmed *CLDN18.2 positivity by pathological tissue testing. *CLDN18.2 positivity is defined as Claudin18.2 immunohistochemical membrane staining intensity ≥1+ in ≥50% of tumor cells, accepting previous test results, results from the research center, or laboratory test results. Regarding the proportion of CLDN18.2 expression, the investigator and sponsor may dynamically adjust the criteria during the study based on newly generated data and data from other studies.

Who cannot join

  • (1)Currently participating in another interventional clinical study, excluding observational (non-interventional) clinical studies or being in the survival follow-up phase of an interventional study.
  • (2)The tumor is a locally recurrent lesion.
  • (3)Received treatment with a strong cytochrome P450 3A4 (CYP3A4) inhibitor within 2 weeks or 5 half-lives (whichever is longer) before the first dose of the investigational drug.
  • (4)Underwent biliary stent implantation or PTCD within 7 days before the first dose of the investigational drug.
  • (5)Received any live vaccine within 4 weeks before the first dose of the investigational drug or plans to receive one during the study period.
  • (6)Underwent major surgical procedures (craniotomy, thoracotomy, laparotomy, or other surgeries defined by the investigator, excluding needle biopsy) within 4 weeks before the first dose of the investigational drug, or has unhealed wounds, ulcers, or fractures; or plans to undergo major surgery during the study period.
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  • (7)History of gastrointestinal perforation and/or fistula within the past 6 months before the first dose of the investigational drug, which has not been resolved through surgical treatment.
  • (8)Pyloric obstruction affecting eating or gastric emptying that cannot be improved by jejunal feeding tube placement.
  • (9)Post-implantation of a stent in the digestive tract (referring to the muscular tube from the mouth to the anal canal, including the mouth, pharynx, esophagus, stomach, small intestine (duodenum, jejunum, ileum), large intestine (cecum, appendix, colon, rectum), and anal canal) or trachea. (Excluding stent placement included as part of radical surgery, such as duodenal stent placement in subjects with pancreatic head cancer.)
  • (10)Interstitial lung disease requiring steroid treatment, or a history of interstitial lung disease, non-infectious pneumonia, severely impaired lung function, or uncontrolled pulmonary conditions such as pulmonary fibrosis, severe radiation pneumonitis, acute lung injury, etc., or suspicion of the above conditions during screening.
  • (11)Presence of uncontrolled diseases.
  • (12)History of other primary malignancies.
  • (13)Known history of immunodeficiency.
  • (14)History of allogeneic organ transplantation or allogeneic hematopoietic stem cell transplantation.
  • (15)Previously received antibody-drug conjugate therapy based on topoisomerase inhibitors.
  • (16)For subjects receiving medication, a history of allergy to the corresponding drug or formulation.
  • (17)For subjects receiving medication, contraindications to the corresponding drug.
  • (18)For subjects receiving medication, a history of permanent discontinuation of the corresponding drug due to adverse reactions.
  • (19)Pregnant or breastfeeding female subjects.
  • (20)Other conditions considered by the investigator as not suitable for participation in this study.

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

China1 site
  • First Affiliated Hospital of Zhejiang University Schlool of Medicine, Hangzhou, Zhejiang

    Hangzhou, Zhejiang, 310000

    Yiwen Chen, +8619941463683, yiwenchen0705@126.com

Other trials in China

About this study

Official title: A Phase II Clinical Study Evaluating the Safety and Efficacy of IBI343 Combined With Chemotherapy as Neoadjuvant Therapy in Subjects With Borderline Resectable Pancreatic Cancer

This study is a Phase II trial evaluating the safety and efficacy of IBI343 in combination with chemotherapy as neoadjuvant therapy for subjects with borderline resectable pancreatic cancer (BRPC). The study enrolls treatment-naïve subjects with CLDN18.2-positive BRPC, confirmed by imaging and pathological diagnosis. Subjects will receive 4 cycles of neoadjuvant therapy. During or after neoadjuvant therapy, subjects who are unable to undergo radical surgical resection due to disease progression or other reasons will discontinue study treatment. After imaging assessment, subjects deemed eligible for radical resection by a multidisciplinary team (MDT) will undergo radical surgery 14-28 days after the last dose of neoadjuvant therapy . Following surgery, subjects will receive adjuvant therapy with the AG regimen or investigator-selected adjuvant chemotherapy. Adjuvant therapy will begin 21-56 days post-surgery, and the total duration of preoperative neoadjuvant and postoperative adjuvant therapy will be 6 months. Subjects will continue adjuvant therapy until the planned treatment duration is completed, or until disease recurrence, intolerable toxicity, withdrawal of informed consent, loss to follow-up, death, or other treatment discontinuation criteria are met (whichever occurs first). After discontinuation of study treatment, subjects will undergo safety follow-up and survival follow-up.

Read the detailed description

This study is a Phase II trial evaluating the safety and efficacy of IBI343 in combination with chemotherapy as neoadjuvant therapy for subjects with borderline resectable pancreatic cancer (BRPC). The study enrolls treatment-naïve subjects with CLDN18.2-positive BRPC, confirmed by imaging (contrast-enhanced CT or MRI) and pathological diagnosis. Subjects will receive 4 cycles of neoadjuvant therapy with the following regimen: IBI343 6mg/kg IV D1 Q3W + Gemcitabine 800mg/m² IV D1, D8 Q3W + Nab-paclitaxel 100mg/m² IV D1, D8 Q3W. During or after neoadjuvant therapy, subjects who are unable to undergo radical surgical resection due to disease progression (based on RECIST v1.1) or other reasons will discontinue study treatment. After imaging assessment, subjects deemed eligible for radical resection by a multidisciplinary team (MDT) will undergo radical surgery 14-28 days after the last dose of neoadjuvant therapy (for subjects unable to undergo surgery within this window due to adverse events or other reasons, radical surgery must be performed no later than 42 days after the last dose of neoadjuvant therapy). Following surgery, subjects will receive adjuvant therapy with the AG regimen or investigator-selected adjuvant chemotherapy (gemcitabine monotherapy or gemcitabine combined with capecitabine). Adjuvant therapy will begin 21-56 days post-surgery, and the total duration of preoperative neoadjuvant and postoperative adjuvant therapy will be 6 months. Subjects will continue adjuvant therapy until the planned treatment duration is completed, or until disease recurrence, intolerable toxicity, withdrawal of informed consent, loss to follow-up, death, or other treatment discontinuation criteria are met (whichever occurs first). After discontinuation of study treatment, subjects will undergo safety follow-up and survival follow-up.

Being tested
IBI343
Keywords
borderline resectable pancreatic adenocarcinoma, Claudin 18.2 positive, neoadjuvant therapy
Medical subject headings
Pancreatic Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • IBI343Drug

    Also called AG regimen

    Subjects will receive 4 cycles of neoadjuvant therapy with the following regimen: IBI343 6mg/kg IV D1 Q3W + Gemcitabine 800mg/m² IV D1, D8 Q3W + Nab-paclitaxel 100mg/m² IV D1, D8 Q3W. During or after neoadjuvant therapy, subjects who are unable to undergo radical surgical resection due to disease progression (based on RECIST v1.1) or other reasons will discontinue study treatment. After imaging assessment, subjects deemed eligible for radical resection by a multidisciplinary team (MDT) will undergo radical surgery 14-28 days after the last dose of neoadjuvant therapy (for subjects unable to undergo surgery within this window due to adverse events or other reasons, radical surgery must be performed no later than 42 days after the last dose of neoadjuvant therapy). Following surgery, subjects will receive adjuvant therapy with the AG regimen or investigator-selected adjuvant chemotherapy (gemcitabine monotherapy or gemcitabine combined with capecitabine).

Study groups in NCT07415525
Study groupRoleWhat they receive
treatment groupExperimentalSubjects will receive 4 cycles of neoadjuvant therapy with the following regimen: IBI343 6mg/kg IV D1 Q3W + Gemcitabine 800mg/m² IV D1, D8 Q3W + Nab-paclitaxel 100mg/m² IV D1, D8 Q3W. During or after neoadjuvant therapy, subjects who are unable to undergo radical surgical resection due to disease progression or other reasons will discontinue study treatment. After imaging assessment, subjects deemed eligible for radical resection by a multidisciplinary team (MDT) will undergo radical surgery 14-28 days after the last dose of neoadjuvant therapy (for subjects unable to undergo surgery within this window due to adverse events or other reasons, radical surgery must be performed no later than 42 days after the last dose of neoadjuvant therapy). Following surgery, subjects will receive adjuvant therapy with the AG regimen or investigator-selected adjuvant chemotherapy (gemcitabine monotherapy or gemcitabine combined with capecitabine).
Receives: Drug: IBI343

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. 12-month Event-Free Survival (EFS) rate

    The proportion of patients who had tumor progression, tumor recurrence (local, regional or distant) or death within 1 year after surgery, whichever occurred first

    Measured: Up to one year

Secondary outcomes (6)
  1. Event Free Survival, EFS

    From treatment to the date of the first documented tumor progression, tumor into recurrence or death from any cause, whichever occurred first

    Measured: Up to 2 years

  2. Disease Control Rate (DCR)

    The proportion of patients who have achieved a best response of either Stable Disease (SD), Partial Response (PR), or Complete Response (CR). It essentially measures the treatment's ability to stop the cancer from growing.

    Measured: Up to 2 yeas

  3. R0 resection rate

    R0 resection rate is the percentage of patients who undergo a surgical procedure where the surgeon successfully removes the entire visible tumor and a microscopic examination confirms that no cancer cells are left at the edges (margins) of the removed tissue.

    Measured: Up to 1 year

  4. Objective Response Rate (ORR)

    The proportion of patients whose tumor shrinks (responds) by a predefined amount from its baseline size for a minimum period of time. It includes two categories of response:

    Complete Response (CR): The disappearance of all target tumors. Partial Response (PR): A specified minimum decrease (e.g., 30%) in the sum of the diameters of the target tumors.

    Measured: Up to 2 years

  5. Overall Survival (OS)

    The length of time from a defined point in a study (e.g., date of randomization or start of treatment) until death from any cause.

    Measured: Up to 3 yeas.

  6. Adverse Event, AE

    Occurence and frequence of Adverse Event (AE) and Serious Adverse Event (SAE) (NCI CTCAE 5.0)

    Measured: Up to 2 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted17 Feb 2026
  2. Study start1 Feb 2026 (estimated)
  3. Primary completion31 Dec 2028 (estimated)
  4. Study completion31 Dec 2030 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
40 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07415525
Sponsor's protocol ID
CISPD-12
Status last verified
Jan 2026
First submitted
10 Feb 2026
Last updated
17 Feb 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing IBI343 in people with Pancreatic Cancer and Borderline Resectable Pancreatic Adenocarcinoma, run by Zhejiang University at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 11 inclusion and 20 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: opening soon, as of the sponsor's last update on 17 Feb 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Yiwen Chen, MD. (+8619941463683, yiwenchen0705@126.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

12-month Event-Free Survival (EFS) rate (time frame: Up to one year). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Feb 2026.

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