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A Phase II Study of Ipilimumab, Cabozantinib, and Nivolumab in Rare Genitourinary Cancers (ICONIC)

Cancer Type
Trial Phase
Phase II
18 Years and older, Male and Female
Study Type
Protocol IDs
A031702 (primary)
Study Sponsor
Alliance for Clinical Trials in Oncology


This phase II trial studies how well cabozantinib works in combination with nivolumab and ipilimumab in treating patients with rare genitourinary (GU) tumors that have spread to other places in the body. Cabozantinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Immunotherapy with monoclonal antibodies, such as nivolumab and ipilimumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving cabozantinib, nivolumab, and ipilimumab may work better in treating patients with genitourinary tumors that have no treatment options compared to giving cabozantinib, nivolumab, or ipilimumab alone.


I. To evaluate the efficacy of cabozantinib s-malate (cabozantinib) combined with nivolumab and ipilimumab in the first or second-line (and beyond) setting for patients within each of the rare genitourinary (GU) variant histology group of interest, as measured by objective response rate (ORR).

I. To estimate the progression-free survival (PFS) for patients treated with cabozantinib combined with nivolumab and ipilimumab within each rare variant histology.
II. To estimate the overall survival (OS) for patients treated with cabozantinib combined with nivolumab and ipilimumab within each rare variant histology.
III. To estimate the clinical benefit rate (defined as complete response [CR] or partial response [PR] or stable disease [SD]) for patients treated with cabozantinib combined with nivolumab and ipilimumab within each rare variant histology.
IV. To assess the safety of treating patients with rare variant histologies with cabozantinib combined with nivolumab and ipilimumab.
V. To support tissue banking and collection of clinical follow-up data for GU tract rare histological variants.

I. To assess effects of treatment in patients with bone-only disease by bone scan.

Patients receive cabozantinib orally (PO) once daily (QD) on days 1-21 of cycles 1-4 and on days 1-28 of subsequent cycles. Patients also receive nivolumab intravenously (IV) over 30 minutes on day 1 and ipilimumab IV over 90 minutes on day 1 of cycles 1-4. Patients then receive nivolumab IV over 30 minutes on day 1 of subsequent cycles. Treatment repeats every 21 days for cycles 1-4 and every 28 days for subsequent cycles for 2 years in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up every 2 months for 5 years.

Treatment Sites in Georgia

Emory Johns Creek Hospital

6325 Hospital Parkway
Johns Creek, GA 30097

Emory Saint Joseph's Hospital

5665 Peachtree Dunwoody Road NE
Atlanta, GA 30342

Emory University Hospital - Midtown

550 Peachtree Street NE
Atlanta, GA 30308

Winship Cancer Institute of Emory University

1365 Clifton Road NE
Building C
Atlanta, GA 30322

**Clinical trials are research studies that involve people. These studies test new ways to prevent, detect, diagnose, or treat diseases. People who take part in cancer clinical trials have an opportunity to contribute to scientists’ knowledge about cancer and to help in the development of improved cancer treatments. They also receive state-of-the-art care from cancer experts... Click here to learn more about clinical trials.
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