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This study is testing a new medicine called AK112 (Yivoximab) for people with advanced kidney cancer that has spread to other parts of the body (metastatic clear cell renal cell carcinoma). AK112 is a special kind of drug called a dual-target antibody that works in two ways: it helps the immune system fight cancer and blocks blood vessels that feed the tumor.
The goal of this study is to see how well AK112 works as a first-line treatment (before any other treatment) and how safe it is. We will look at how many patients' tumors shrink or stop growing, how long they live without their disease getting worse, and whether they have side effects.
This is a Phase II, single-arm, open-label study, meaning all participants will receive AK112, and everyone involved knows what treatment is being given. The study will take place at multiple hospitals across China and will include about 60 patients aged 18 to 75 years who have not received prior systemic treatment for advanced kidney cancer.
Participants will receive AK112 through an IV infusion every three weeks until the cancer progresses or side effects become too severe. They will have regular check-ups, including blood tests, imaging scans (like CT or MRI), and physical exams to monitor their health and response to treatment.
The study is expected to start in November 2023 and end in June 2027. Participation is voluntary, and all medical care related to the study will be provided at no cost. Participants may also be covered by clinical trial insurance in case of unexpected harm.
We hope this study will help find a better treatment option for people with advanced kidney cancer.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Yivoximab Monotherapy Arm | Experimental | This arm includes patients with metastatic clear cell renal cell carcinoma who receive Yivoximab (AK112) as first-line monotherapy. The drug is administered intravenously at a dose of 20 mg/kg every 3 weeks until disease progression, unacceptable toxicity, or withdrawal of consent. All participants are followed for efficacy and safety outcomes, including objective response rate, progression-free survival, overall survival, and adverse events. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Yivoximab | Drug | Yivoximab (AK112) is a human IgG1κ dual-target monoclonal antibody that simultaneously binds to PD-1 and VEGF. It is administered intravenously at a dose of 20 mg/kg every 3 weeks as monotherapy. The drug is designed to enhance anti-tumor immune response by blocking immune checkpoint inhibition while inhibiting angiogenesis. This intervention is being evaluated as first-line treatment for metastatic clear cell renal cell carcinoma. |
| Measure | Description | Time Frame |
|---|---|---|
| Objective Response Rate (ORR) | The objective response rate (ORR) is defined as the proportion of patients who achieve a complete response (CR) or partial response (PR) according to RECIST v1.1 criteria, assessed by independent radiology review. ORR will be evaluated at baseline and every 6 weeks thereafter until disease progression or withdrawal from the study. The primary endpoint will be analyzed in the intent-to-treat (ITT) population. | From study start to data cutoff date (approximately 24 months) |
| Measure | Description | Time Frame |
|---|---|---|
| Disease Control Rate (DCR) | The disease control rate (DCR) is defined as the proportion of patients achieving complete response (CR), partial response (PR), or stable disease (SD) for at least 6 weeks, based on RECIST v1.1 criteria. DCR will be assessed during follow-up visits and reported at the final analysis. | From study start to data cutoff date (approximately 24 months) |
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Inclusion Criteria:
Age between 18 and 75 years, inclusive.
Histologically confirmed diagnosis of clear cell renal cell carcinoma (ccRCC).
Metastatic disease with at least one measurable lesion according to RECIST v1.1 criteria.
No prior systemic therapy for advanced or metastatic ccRCC.
ECOG Performance Status of 0 or 1.
Expected survival ≥12 weeks.
Adequate organ function:
Female patients of childbearing potential must have a negative pregnancy test at screening and agree to use effective contraception during the study and for 12 weeks after last dose.
Willing and able to provide written informed consent.
Exclusion Criteria:
1. Non-clear cell histology or mixed histology with non-clear cell component >25%.
2. Prior treatment with PD-1/PD-L1 inhibitors, VEGF/VEGFR inhibitors, or other immune checkpoint inhibitors.
3. Active autoimmune disease requiring systemic immunosuppressive therapy. 4. Uncontrolled hypertension (systolic BP >150 mmHg or diastolic BP >100 mmHg despite medication).
5. Significant cardiovascular disease including unstable angina, myocardial infarction, or congestive heart failure (NYHA Class III-IV) within 6 months.
6. Symptomatic central nervous system metastases or spinal cord compression. 7. Active infection including HBV, HCV, HIV, or active tuberculosis. 8. Known hypersensitivity to AK112 or its excipients. 9. Pregnancy or breastfeeding. 10. Any condition that may interfere with the interpretation of study results or pose an undue risk to the participant, as determined by the investigator.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Sun Yat-sen University Cancer Center | Guangzhou | Guangdong | 510060 | China |
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Not applicable. This is an open-label study with no masking of any role.
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| Overall Survival (OS) | Overall survival (OS) is defined as the time from the first dose of Yivoximab to death from any cause. OS will be estimated using the Kaplan-Meier method and reported with 95% confidence intervals. Follow-up will continue until the end of the study or until the patient is lost to follow-up. | From first dose of study drug to death from any cause, up to 36 months |
| Incidence of Treatment-Emergent Adverse Events (TEAEs) | TEAEs will be collected and graded according to CTCAE v5.0. Includes all AEs occurring from first dose until 30 days after last dose. | During treatment and up to 30 days after last dose |
| Changes in Laboratory Parameters | Hematology, chemistry, and urinalysis values will be monitored throughout the study. Abnormalities will be graded per CTCAE v5.0. | Baseline, every cycle, and at end of treatment; up to 24 months |
| Vital Signs Monitoring | Blood pressure, heart rate, temperature, and respiratory rate will be measured at each visit. | At screening, baseline, every cycle, and at end of treatment; up to 24 months |
| Concomitant Medication Use | All concomitant medications will be recorded from screening through end of study. | From screening until end of study (approximately 24 months) |
| ID | Term |
|---|---|
| D002292 | Carcinoma, Renal Cell |
| C538445 | Clear-cell metastatic renal cell carcinoma |
| ID | Term |
|---|---|
| D000230 | Adenocarcinoma |
| D002277 | Carcinoma |
| D009375 | Neoplasms, Glandular and Epithelial |
| D009370 | Neoplasms by Histologic Type |
| D009369 | Neoplasms |
| D007680 | Kidney Neoplasms |
| D014571 | Urologic Neoplasms |
| D014565 | Urogenital Neoplasms |
| D009371 | Neoplasms by Site |
| D052776 | Female Urogenital Diseases |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
| D007674 | Kidney Diseases |
| D014570 | Urologic Diseases |
| D052801 | Male Urogenital Diseases |
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