A Study of AK138D1 in Advanced Malignant Tumors
A Phase I Study of Evaluating Safety, Tolerability, Pharmacokinetics and Preliminary Antitumor Activity of AK138D1 in Advanced Solid Tumors
Akeso
200 participants
Oct 22, 2025
INTERVENTIONAL
Conditions
Summary
This is a Phase I clinical trial testing the safety and effectiveness of AK138D1in patients with advanced cancer. The study will enroll up to 200 patients with various types of advanced solid tumors who haven't responded to standard treatments. Patients will receive AK138D1 to determine the safest dose and evaluate if the drug can help treat their cancer.
Eligibility
Inclusion Criteria6
- The subject must sign the written informed consent form (ICF) voluntarily;
- At enrollment, aged ≥ 18 to ≤ 75 years, both males and females are eligible;
- ECOG performance status score of 0 or 1;
- Has a life expectancy of ≥ 3 months;
- At least 1 measurable lesion as per RECIST v1.1 that is suitable for repeated accurate measurement.
- Adequate organ function.
Exclusion Criteria9
- Prior human epidermal growth factor receptor 3 (HER3) -targeted therapies, including antibodies, antibody-drug conjugates (ADCs), chimeric antigen receptor T-cell immunotherapy (CAR-T), and others;
- Concomitant participation in another clinical study, unless it is a non-interventional clinical study or the follow-up period of an interventional study;
- Presence of active central nervous system (CNS) metastases.
- Live vaccines or attenuated live vaccines administered within 4 weeks prior to the first dose, or planned to be administered during the study; use of inactivated vaccines is allowed;
- Untreated subjects with active hepatitis B or active hepatitis C;
- Known active pulmonary tuberculosis (TB); subjects with suspected active TB must undergo appropriate clinical assessment to rule out the presence of active disease;
- Known active syphilis infection;
- Subjects with known allergy to any component of any study drug; and with a history of known severe hypersensitivity reactions to other monoclonal antibodies;
- Other reasons for ineligibility as evaluated by the investigator.
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Interventions
Enrolled subjects will receive intravenous infusion (IV) of AK138D1 according to the dosing regimen specified in their cohort.
Locations(1)
View Full Details on ClinicalTrials.gov
For the most up-to-date information, visit the official listing.
NCT07281326