Clinical trial Recruiting at 1 site Phase 1 Interventional Ages 18 and up

Evaluating AK131 for advanced solid tumors

Official title: A Phase Ia/Ib, Multicenter and Open-label Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Anti-tumor Activity of Anti-PD-1 and CD73 Bispecific Antibody AK131 in Patients With Advanced Solid Tumors

Run by Akeso · NCT06166888 · Data updated 2026-11-12

This study is testing a new treatment called AK131 to see if it can help people with advanced solid tumors that haven't responded to other therapies.

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment130 (estimated)
SponsorAkeso
Industry-sponsored
Drugs / interventionsimmunotherapy
Locations1 site (Jinan, Shandong)
StatusRecruiting
StartedJanuary 10, 2024
Main results expectedAugust 2026
Study endsDecember 2028
Registry record updatedJanuary 17, 2024
Trial IDNCT06166888 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are patients with unresectable advanced or metastatic solid tumors that have not responded to standard treatments.

Probably not a fit

Patients with other malignancies within the past three years or those currently participating in other clinical studies may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This phase Ia/Ib study aims to assess the safety, tolerability, pharmacokinetics, and anti-tumor activity of AK131 in patients with advanced solid tumors. Participants will be those who have unresectable advanced or metastatic malignant tumors that have either failed standard therapy or for which no effective standard therapy is available. The study will involve monitoring the effects of AK131 on measurable lesions in these patients. The research will also evaluate the overall health and organ function of participants throughout the trial.

Why it matters

Potential benefit: If successful, this study could provide a new treatment option for patients with advanced solid tumors who have limited therapeutic alternatives.

How similar studies have gone: While this approach is being explored in this specific context, similar studies have shown promise in evaluating new treatments for advanced solid tumors.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Written and signed informed consent.
2. Eastern Cooperative Oncology Group (ECOG) Performance Score of 0 or 1.
3. Life expectancy ≥3 months.
4. Histologically or cytologically documented unresectable advanced or metastatic malignant tumor that has failed or intolerant of standard therapy, or for which no effective standard therapy is available.
5. Subject must have at least one measurable lesion according to RECIST Version1.1.
6. Adequate organ function.
7. Female subjects of childbearing potential and male subjects with female partners of childbearing potential must agree to use effective barrier methods of contraception during the study and for 120 days after last dose of study drug.

Exclusion Criteria:

1. Any malignancy other than the disease under study within the past 3 years except for radically cured local cancers.
2. Being involved in another clinical study, except for observational clinical studies or follow-up period of interventional studies.
3. Receipt of any anti-CD73 treatment.
4. Anticancer therapy within 4 weeks prior to the first dose of investigational product.
5. Experienced a toxicity that led to permanent discontinuation of prior immunotherapy.
6. Subjects with spinal cord compression or active brain metastases, except for subjects with untreated and asymptomatic brain metastases or with stable brain metastases after treatment.
7. Subjects with pleural effusion, pericardial effusion, or ascites requiring repeated drainage.
8. Subjects whose imaging shows that the tumor has invaded important blood vessels or the investigator judges that the tumor is very likely to invade important blood vessels and cause fatal bleeding during the study.
9. Toxicities of prior anticancer therapy have not resolved to ≤ Grade 1.
10. Patients with clinically significant cardio-cerebrovascular disease.
11. Active autoimmune diseases or history of autoimmune diseases that may relapse.
12. History of interstitial lung disease or noninfectious pneumonitis.
13. Major surgery, trauma,unhealed wound, ulcer or fracture within 4 weeks prior to first dose of investigational product.
14. Any condition that required systemic treatment with corticosteroids or other immunosuppressive agents within 14 days prior to the first dose of investigational product.
15. Receipt of live attenuated vaccines within 4 weeks prior to the first dose of investigational product.
16. Known allergy or reaction to any component of the AK131 formulation.
17. Previous organ transplantation or allogeneic hematopoietic stem cell transplantation.
18. Any other conditions that, in the opinion of the Investigator, would interfere with evaluation of the investigational product or interpretation of subject safety or study results.

Where it's running

  • Jinming Yu
    Jinan, Shandong, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.