ZL-1310 for selected advanced solid tumors
Official title: A Phase 1b/2, Open-label, Multi-center Study of ZL-1310 in Participants With Selected Solid Tumors
Run by Zai Lab (Hong Kong), Ltd. · NCT06885281 · Data updated 2026-11-12
This will try the drug ZL-1310 in adults with selected advanced or metastatic solid tumors, especially neuroendocrine carcinomas that have progressed after platinum-based chemotherapy.
Quick facts
| Phase | Phase1; Phase2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 166 (estimated) |
| Sponsor | Zai Lab (Hong Kong), Ltd. Industry-sponsored |
| Drugs / interventions | radiation |
| Locations | 23 sites (San Francisco, California and 22 other locations) |
| Status | Recruiting |
| Started | May 12, 2025 |
| Main results expected | August 2027 |
| Study ends | April 2028 |
| Registry record updated | August 21, 2026 |
| Trial ID | NCT06885281 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults with histologically confirmed locally advanced or metastatic neuroendocrine carcinomas or other selected solid tumors who progressed after platinum-based therapy, have at least one measurable lesion, ECOG 0–1, and can provide tumor tissue for testing.
✕Probably not a fit
Patients with active central nervous system or leptomeningeal metastases, another progressing malignancy that requires treatment, prior exposure to ADCs with topoisomerase I payloads, or poor performance status (ECOG ≥2) are unlikely to benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This open-label, multicenter Phase 1b/2 study gives ZL-1310 to adults with selected advanced or metastatic solid tumors to characterize safety, tolerability, and preliminary anti-tumor activity. Participants must have measurable disease, ECOG performance status 0–1, life expectancy of at least three months, and must provide a tumor biopsy or archived tissue. Key exclusions include clinically active CNS or leptomeningeal metastases, another progressing malignancy requiring treatment within the past two years, prior treatment with antibody-drug conjugates carrying topoisomerase I payloads, and recent systemic anti-cancer therapy. The trial is run at multiple Zai Lab sites in the United States and follows a Phase 1b/2 design with dose-finding and expansion elements.
Why it matters
Potential benefit: If successful, ZL-1310 could provide a new treatment option that shrinks tumors or controls disease in patients whose cancers no longer respond to platinum chemotherapy.
How similar studies have gone: Similar antibody-drug conjugates delivering topoisomerase I inhibitors have shown activity in several solid tumors, so the approach has clinical precedent even though ZL-1310 itself is novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Signed informed consent * Adult men and women ≥18 years of age * Participants must have histologically confirmed, locally advanced or metastatic NeuroEndocrine Carcionomas (NEC) * Participants must be willing to undergo a tumor biopsy or must provide archived tumor tissue sample * Participants must have at least one measurable target lesion as defined by RECIST v1.1 * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 * Life expectancy ≥ 3 months Exclusion Criteria: * Participants with another known malignancy that is progressing or requires active treatment within the last 2 years * Clinically active central nervous system (CNS) metastases * Participants with leptomeningeal metastasis * Participants who have received any ADC with a payload of topoisomerase I inhibitor (e.g., exatecan derivative)or had received topoisomerase I inhibitor (e.g., irinotecan) as the immediate prior therapy that the participant had progressed from. * Treatment with any systemic anti-cancer treatment or other investigational products/device within 3 weeks before the first dose of study treatment * Non-palliative radiotherapy within 2 weeks to non-thoracic area or within 4 weeks to the thoracic area prior to first dose of study treatment or a history of radiation pneumonitis * Major surgery within 4 weeks of the first dose of study treatment * Hypersensitivity to any ingredient of the study treatment * Out of range value (as defined in protocol) within 10 days prior to the first dose of study treatment * Impaired cardiac function or clinically significant cardiac disease within the last 3 months before administration of the first dose of the study treatment * Lung-specific intercurrent clinically significant illnesses and any autoimmune, connective tissue, or inflammatory disorders including but not limited to pneumonitis * Has a history of (noninfectious) ILD/pneumonitis that required steroids, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at Screening * Pregnant or nursing (lactating) women * Participants who have been on concomitant strong CYP3A or CYP2D6 inhibitors within 14 days or 5 half-lives before the first dose of study treatment, whichever is longer
Where it's running
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University of California San Francisco/Helen Diller Family Comprehensive Cancer Center
San Francisco, California, United States Recruiting -
OSF St. Francis Medical Center
Peoria, Illinois, United States Recruiting -
Karmanos Cancer Center
Detroit, Michigan, United States Recruiting -
Memorial Sloan-Kettering Cancer Center
New York, New York, United States Recruiting -
University Hospitals Cleveland Medical Center
Cleveland, Ohio, United States Recruiting -
Fox Chase Cancer Center
Philadelphia, Pennsylvania, United States Recruiting
Show 17 more locations
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SCRI OP (Oncology Partners)
Nashville, Tennessee, United States Recruiting -
Texas Oncology / Sammons Cancer Center
Dallas, Texas, United States Recruiting -
The University of Texas M. D. Anderson Cancer Center
Houston, Texas, United States Recruiting -
Texas Oncology - Central South
McAllen, Texas, United States Recruiting -
Virginia Cancer Specialists
Fairfax, Virginia, United States Recruiting -
Virginia Oncology Associates
Norfolk, Virginia, United States Recruiting -
Beijing Cancer Hospital
Beijing, Beijing Municipality, China Recruiting -
Beijing Gobroad Hospital
Beijing, Beijing Municipality, China Recruiting -
The First Affiliated Hospital of Xiamen University
Xiamen, Fujian, China Recruiting -
Sun Yat-sen University Cancer Center
Guangzhou, Guangdong, China Recruiting -
The First Affiliated Hospital, Sun Yat-sen University
Guangzhou, Guangdong, China Recruiting -
Harbin Medical University Cancer Hospital
Harbin, Heilongjiang, China Recruiting -
Hunan Cancer Hospital
Changsha, Hunan, China Recruiting -
Jilin Cancer Hospital
Changchun, Jilin, China Recruiting -
Fudan University Shanghai Cancer Center
Shanghai, Shanghai Municipality, China Recruiting -
Huashan Hospital Fudan University
Shanghai, Shanghai Municipality, China Recruiting -
Shanghai Pulmonary Hospital
Shanghai, Shanghai Municipality, China Recruiting
Study contacts
- Study coordinator: ZaiLab_1310-002_StudyTeam
- Email: Zailab_1310-002_StudyTeam@zailaboratory.com
- Phone: 6503601601
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.