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Study to Evaluate the Preliminary Efficacy of SKB264 and the Effect of Clarithromycin on the PK of SKB264 in OC

RECRUITINGPhase 2Sponsored by Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
Actively Recruiting
PhasePhase 2
SponsorSichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
Started2026-01-16
Est. completion2028-01
Eligibility
Age18 Years – 75 Years
SexFEMALE
Healthy vol.Accepted
View on ClinicalTrials.gov →

NCT07341100

Summary

This is a multicenter, open-label study to evaluate the preliminary efficacy of SKB264 and the effect of clarithromycin on the PK of SKB264 in patients with ovarian epithelial cancer.

Eligibility

Age: 18 Years – 75 YearsSex: FEMALEHealthy volunteers accepted
Inclusion Criteria:

1. Females, ≥ 18 and ≤ 75 years of age at the time of signing the informed consent form (ICF).
2. Patients with histologically or cytologically confirmed recurrent ovarian epithelial cancer (including fallopian tube cancer or primary peritoneal cancer).
3. Able to provide tumor tissue samples.
4. At least one measurable lesion.
5. ECOG performance status score of 0 or 1.
6. Life expectancy ≥ 12 weeks.
7. Adequate bone marrow, liver, kidney, and coagulation function.
8. Female participants of childbearing potential must agree to use effective medical contraception from the time of signing the ICF until 6 months after the last dose.
9. The participant voluntarily agrees to participate in the study, signs the ICF, and is able to comply with the protocol-specified visits and relevant procedures.

Exclusion Criteria:

1. Participants with local recurrence who are suitable for surgery.
2. Participants who have previously undergone bone marrow radiation.
3. Ovarian cancer, fallopian tube cancer, or primary peritoneal cancer of non-epithelial origin, or other pathological types.
4. Participants with known brain metastases.
5. History of other malignancies within 3 years before the first administration.
6. There are serious cardiovascular and cerebrovascular diseases or cardiovascular and cerebrovascular risk factors.
7. Uncontrolled systemic disease as judged by the investigator.
8. History of (non-infectious) interstitial lung disease (ILD) or non-infectious pneumonitis requiring steroid therapy.
9. Documented severe dry eye syndrome, severe meibomian gland disease and/or blepharitis, or a history of severe corneal disorder that prevents/delays corneal healing.
10. Patients with serious pulmonary function impairment due to lung disease.
11. Participants with active chronic inflammatory bowel disease, gastrointestinal obstruction, severe ulcer, gastrointestinal perforation, abdominal abscess, or acute gastrointestinal hemorrhage.
12. Active gastrointestinal disease or other conditions significantly affecting the absorption, distribution, metabolism, or excretion of the oral study drug .
13. Risk of developing an esophagotracheal fistula or esophagopleural fistula, or tumor invasion or compression of surrounding vital organs and blood vessels with associated symptoms.
14. Toxicities from prior anti-tumor therapy not recovering to ≤ Grade 1.
15. Subjects with known active pulmonary tuberculosis.
16. Known history of allogeneic organ transplant and allogeneic hematopoietic stem cell transplant.
17. Active hepatitis B or hepatitis C.
18. Positive human immunodeficiency virus (HIV) test or a history of acquired immunodeficiency syndrome (AIDS); known active syphilis infection.
19. Known hypersensitivity to any study drug or any of its components , or known severe hypersensitivity reactions to other biological agents.
20. Major surgery within 4 weeks before the first dose or expected to require major surgery during the study.
21. Serious infection within 4 weeks before the first dose.
22. Prior treatment with TROP2-targeted drug therapy or prior treatment with another topoisomerase I inhibitor as the toxin.
23. Have received any drugs that can affect CYP3A enzyme activity within 2 weeks before the first dose or within 5 half-lives of the known drug.
24. Have received any systemic anti-tumor therapy such as chemotherapy, radiotherapy , immunotherapy, targeted therapy, or biological therapy within 4 weeks before the first dose or within 5 half-lives of the known drug.
25. Have received treatment with approved traditional Chinese medicine preparations with anti-tumor indications within 2 weeks before the first dose.
26. Have received a live vaccine within 4 weeks before the first dose, or plan to receive a live vaccine during the study.
27. Any disease requiring systemic glucocorticoid therapyor other immunosuppressive drugs within 2 weeks before the first dose.
28. Participants who are currently participating in other clinical studies and receiving study drug.
29. Pregnant or lactating women.
30. Participants whose condition deteriorates rapidly before the first dose.
31. Presence of local or systemic diseases caused by non-malignant tumors.
32. Any condition that, in the opinion of the investigator, may interfere with the evaluation of the study drug or the participant's safety or the interpretation of the study results, or any other condition that the investigator deems inappropriate for participation in this study.

Conditions2

CancerOvarian Epithelial Cancer

Interventions2

ClarithromycinSKB264

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Trial data from ClinicalTrials.gov. Trial status and eligibility can change — verify directly with the study contact or on ClinicalTrials.gov.

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