NCT07011719

Brief Summary

The purpose of the study is to evaluate the progression-free survival (PFS) of casdatifan versus placebo when each is given in combination with cabozantinib in adult patients with confirmed advanced or metastatic clear cell Renal Cell Carcinoma who have experienced progression on or after prior anti-PD-1 or anti-PD-L1 immunotherapy.

Trial Health

88
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Strong global presence with extensive site network
Enrollment
720

participants targeted

Target at P75+ for phase_3

Timeline
53mo left

Started Sep 2025

Longer than P75 for phase_3

Geographic Reach
16 countries

159 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress17%
Sep 2025Dec 2030

First Submitted

Initial submission to the registry

June 2, 2025

Completed
8 days until next milestone

First Posted

Study publicly available on registry

June 10, 2025

Completed
3 months until next milestone

Study Start

First participant enrolled

September 8, 2025

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2028

Expected
2.7 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2030

Last Updated

July 31, 2026

Status Verified

April 1, 2026

Enrollment Period

2.6 years

First QC Date

June 2, 2025

Last Update Submit

July 29, 2026

Conditions

Keywords

CasdatifanMetastatic Clear Cell Renal Cell CarcinomaAdvanced Clear Cell Renal Cell CarcinomaKidney CancerPEAK-1AB521ccRCC

Outcome Measures

Primary Outcomes (1)

  • Progression-free Survival (PFS) as assessed by Blinded Independent Central Review (BICR) according to RECIST 1.1

    up to approximately 33 months

Secondary Outcomes (6)

  • Overall Survival (OS)

    up to approximately 64 months

  • Objective Response Rate (ORR) as assessed by Blinded Independent Central Review (BICR) according to RECIST 1.1

    up to approximately 33 months

  • Duration of Response (DOR) as assessed by Blinded Independent Central Review (BICR) according to RECIST 1.1

    up to approximately 33 months

  • Disease Control Rate (DCR) by Blinded Independent Central Review (BICR)

    up to approximately 33 months

  • The incidence and severity of treatment-emergent adverse events (TEAEs) and treatment-emergent serious adverse events (SAEs)

    up to approximately 33 months

  • +1 more secondary outcomes

Study Arms (2)

Arm A (Experimental Arm)

EXPERIMENTAL

Casdatifan and cabozantinib taken orally

Drug: CasdatifanDrug: Cabozantinib

Arm B (Comparator Arm)

PLACEBO COMPARATOR

Placebo and cabozantinib taken orally

Drug: CabozantinibDrug: Placebo

Interventions

Administered as specified in the treatment arm

Also known as: AB521
Arm A (Experimental Arm)

Administered as specified in the treatment arm

Arm A (Experimental Arm)Arm B (Comparator Arm)

Administered as specified in the treatment arm

Arm B (Comparator Arm)

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Unresectable and measurable locally advanced or metastatic renal cell carcinoma with a primary clear cell component.
  • A Karnofsky Performance Status (KPS) score ≥ 80%
  • At least 1 target lesion measurable by computed tomography/magnetic resonance imaging per RECIST 1.1, not within a field of prior radiation therapy.
  • Adequate organ and marrow function, ≤ 1 week prior to randomization.
  • Women of childbearing potential (WOCBP) must have a negative serum pregnancy test.

You may not qualify if:

  • Received prior treatment with a HIF-2α inhibitor or cabozantinib.
  • Other prior malignancy active within the previous year except for locally curable cancers that have been apparently cured.
  • Ongoing clinically significant toxicities related to any prior anticancer treatment, or toxicities Grade ≥ 3 per National Cancer Institute Common Terminology Criteria for Adverse Events, version 5.0 (NCI CTCAE v5.0) regardless of relatedness to prior anticancer therapies.
  • Uncontrolled or poorly controlled hypertension, defined as a sustained blood pressure \> 150 mmHg systolic or \> 90 mmHg diastolic despite optimal antihypertensive treatment.
  • History of leptomeningeal disease or spinal cord compression.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (159)

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Gilbert, Arizona, 85234, United States

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Goodyear, Arizona, 85338, United States

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Phoenix, Arizona, 85054, United States

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Duarte, California, 91010, United States

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Irvine, California, 91304, United States

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La Jolla, California, 92103, United States

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Los Angeles, California, 90095, United States

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Sacramento, California, 95817, United States

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San Diego, California, 92103, United States

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New Haven, Connecticut, 06519, United States

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Washington D.C., District of Columbia, 20057, United States

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Jacksonville, Florida, 32224, United States

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Miami, Florida, 33136, United States

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Orlando, Florida, 32804, United States

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Atlanta, Georgia, 30318, United States

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Atlanta, Georgia, 30322, United States

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Newnan, Georgia, 30265, United States

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Zion, Illinois, 60099, United States

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Indianapolis, Indiana, 46202, United States

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Louisville, Kentucky, 40207, United States

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Jefferson, Louisiana, 70121, United States

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Baltimore, Maryland, 21287, United States

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Boston, Massachusetts, 02114, United States

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Boston, Massachusetts, 02215, United States

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Rochester, Minnesota, 55905, United States

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St Louis, Missouri, 63110, United States

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Omaha, Nebraska, 68198, United States

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New Brunswick, New Jersey, 08903, United States

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Buffalo, New York, 14263, United States

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New York, New York, 10461, United States

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Rochester, New York, 14642, United States

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Chapel Hill, North Carolina, 27514, United States

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Durham, North Carolina, 27710, United States

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Cleveland, Ohio, 44106, United States

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Portland, Oregon, 97212, United States

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Monroeville, Pennsylvania, 15146, United States

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Charleston, South Carolina, 29425, United States

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Nashville, Tennessee, 37203, United States

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Nashville, Tennessee, 37232, United States

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Dallas, Texas, 75390, United States

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Lubbock, Texas, 79430, United States

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Salt Lake City, Utah, 84112, United States

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Charlottesville, Virginia, 22903, United States

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Seattle, Washington, 98109, United States

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Buenos Aires, Argentina

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Box Hill, Australia

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Chermside, Australia

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Elizabeth Vale, Australia

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Frankston, Australia

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Frenchs Forest, Australia

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Heidelberg, Australia

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Hobart, Australia

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Kurralta Park, Australia

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Macquarie Park, Australia

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Saint Leonards, Australia

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Subiaco, Australia

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Westmead, Australia

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Calgary, Canada

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Edmonton, Canada

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Hamilton, Canada

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Montreal, Canada

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Sherbrooke, Canada

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Toronto, Canada

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Vancouver, Canada

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Brno, Czechia

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Brno-střed, Czechia

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Hradec, Czechia

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Prague, Czechia

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Angers, France

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Brest, France

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Caen, France

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Clermont-Ferrand, France

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Lille, France

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Marseille, France

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Montpellier, France

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Paris, France

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Pessac, France

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Poitiers, France

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Reims, France

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Rennes, France

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Strasbourg, France

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Toulouse, France

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Villejuif, France

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Berlin, Germany

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Dresden, Germany

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Essen, Germany

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Frankfurt, Germany

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Freiburg im Breisgau, Germany

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Halle, Germany

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Hanover, Germany

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Heidelberg, Germany

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Leipzig, Germany

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Lübeck, Germany

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Marburg, Germany

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Rostock, Germany

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Ulm, Germany

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Milan, Italy

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Naples, Italy

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Rome, Italy

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Terni, Italy

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Verona, Italy

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Akita, Japan

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Asahikawa, Japan

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Fukuoka, Japan

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Kobe, Japan

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Matsuyama, Japan

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Nankoku, Japan

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Osaka, Japan

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Sapporo, Japan

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Shinjuku, Japan

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Yokohama, Japan

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Amsterdam, Netherlands

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Maastricht, Netherlands

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Nijmegen, Netherlands

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Rotterdam, Netherlands

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Utrecht, Netherlands

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Zwolle, Netherlands

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Auckland, New Zealand

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Christchurch, New Zealand

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Hamilton, New Zealand

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Rotorua, New Zealand

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Krakow, Poland

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Otwock, Poland

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Poznan, Poland

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Rzeszów, Poland

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Skorzewo, Poland

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Tomaszów Mazowiecki, Poland

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Wroclaw, Poland

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Bucharest, Romania

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Craiova, Romania

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Iași, Romania

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Suceava, Romania

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Timișoara, Romania

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Busan, South Korea

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Daejeon, South Korea

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Goyang, South Korea

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Seongnam, South Korea

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Seoul, South Korea

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Suwon, South Korea

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Barcelona, Spain

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Córdoba, Spain

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Madrid, Spain

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Málaga, Spain

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Santander, Spain

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Seville, Spain

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Vigo, Spain

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Cambridge, United Kingdom

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Cottingham, United Kingdom

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Exeter, United Kingdom

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Glasgow, United Kingdom

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Leeds, United Kingdom

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London, United Kingdom

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Manchester, United Kingdom

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Newcastle upon Tyne, United Kingdom

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Northwood, United Kingdom

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Preston, United Kingdom

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Southampton, United Kingdom

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Sutton, United Kingdom

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Truro, United Kingdom

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Related Publications (1)

  • Mailyan AK, Mata G, Beatty JW, Drew SL, Fournier J, Yu K, Gal B, Kalisiak J, Yan X, Tran A, Su Y, Rosen BR, Jeffrey JL, Hardman C, Epplin M, Ginn E, Sun M, Chen A, Fabila P, Sivick KE, Schweickert PG, Piovesan D, Meleza C, Pham AT, Chen PY, Jin L, Walters MJ, Walker NP, Kwon HJ, Leleti MR, Powers JP, Lawson KV. Discovery of Casdatifan, Part II: A Potent and Orally Bioavailable Inhibitor of Hypoxia Inducible Factor-2alpha. J Med Chem. 2026 Jun 25;69(12):14952-14988. doi: 10.1021/acs.jmedchem.5c03724. Epub 2026 Jun 5.

MeSH Terms

Conditions

Clear-cell metastatic renal cell carcinomaKidney Neoplasms

Interventions

cabozantinib

Condition Hierarchy (Ancestors)

Urologic NeoplasmsUrogenital NeoplasmsNeoplasms by SiteNeoplasmsFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesKidney DiseasesUrologic DiseasesMale Urogenital Diseases

Study Officials

  • Medical Director

    Arcus Biosciences

    STUDY DIRECTOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 2, 2025

First Posted

June 10, 2025

Study Start

September 8, 2025

Primary Completion (Estimated)

April 1, 2028

Study Completion (Estimated)

December 1, 2030

Last Updated

July 31, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will share

Arcus will provide access to individual de-identified participant data and related study documents (e.g., protocol, Statistical Analysis Plan \[SAP\], Clinical Study Report \[CSR\]) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions.

Shared Documents
STUDY PROTOCOL, SAP, CSR
More information

Locations