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NCT Number: NCT07300241

Open-Label Phase 1/2 Study of NEO-811 in Subjects With Locally Advanced or Metastatic Non-Resectable Clear Cell Renal Cell Carcinoma

The NEO-811-101 study is an open-label, first-in-human, Phase 1/2 dose escalation and expansion study testing NEO-811, an ARNT molecular glue degrader, in subjects with locally advanced or metastatic non-resectable clear cell renal cell carcinoma. The study will test NEO-811 initially as a monotherapy.

Recruiting

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Key information

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subjects with locally advanced or metastatic non-resectable clear cell renal cell carcinoma (ccRCC).
  • Subjects must have progressed on or refused standard therapies.
  • Eastern Cooperative Oncology Group Performance Status (ECOG PS) 0 or 1.
  • Estimated life expectancy, in the judgment of the Investigator, of at least 12 weeks.
  • Formalin-fixed paraffin-embedded (FFPE) tumor tissue, newly obtained or archival, is mandatory for enrollment to the study.
  • Measurable disease as defined by RECIST v1.1.
  • Adequate hematologic, hepatic, and renal function defined as:
  • Hemoglobin ≥10 g/dL,
  • Absolute neutrophil count ≥1000 cells/µL,
  • Platelet count ≥100,000/µL,
  • AST and ALT ≤2.5 × ULN, or AST and ALT ≤5 × ULN for subjects with liver metastases,
  • Total bilirubin ≤1.5 × ULN,
  • Estimated glomerular filtration rate (eGFR) ≥60 mL/min.
  • Subject can swallow oral medications and does not have a condition that could impair the oral bioavailability of the study drug.
  • Other inclusion criteria per protocol.

Exclusion criteria

  • Non-clear cell predominant RCC histologic subtypes.
  • Leptomeningeal disease or symptomatic active CNS metastases with exceptions for asymptomatic treated CNS metastases per protocol.
  • Prior or concurrent malignancies with exceptions per protocol.
  • History of hepatitis B virus (HBV), hepatitis C virus (HCV), or HIV infection.
  • Other exclusion criteria per protocol.

Treatment and study plan

NEO-811

Drug

NEO-811

Primary outcomes

  1. Frequency and severity of treatment emergent adverse events (TEAEs) of NEO-811 as a single agent.

    Time frame: Start of Cycle 1 until at least 30 days following the last dose of the last treatment cycle (each treatment cycle is 21 days).

    TEAEs will be assessed and severity assigned by using the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), version 6.0.

  2. Maximum Tolerated Dose (MTD) and/or Recommended Phase 2 Dose (RP2D) of NEO-811 as a single agent.

    Time frame: Start of Cycle 1 until at least 30 days following the last dose of the last treatment cycle (each treatment cycle is 21 days).

    The MTD and/or RP2D of NEO-811 as a single agent will be determined.

Secondary outcomes

  1. Maximum observed plasma concentration (Cmax) of NEO-811.

    Time frame: Start of Cycle 1 until Day 1 of last treatment cycle (each treatment cycle is 21 days).

    Maximum observed plasma concentration (Cmax) of NEO-811 will be determined.

  2. Trough observed plasma concentration (Ctrough) of NEO-811.

    Time frame: Start of Cycle 1 until Day 1 of last treatment cycle (each treatment cycle is 21 days).

    Trough observed plasma concentration (Ctrough) of NEO-811 will be determined.

  3. Time to Cmax (Tmax) of NEO-811.

    Time frame: Start of Cycle 1 until Day 1 of last treatment cycle (each treatment cycle is 21 days).

    Time to Cmax (Tmax) of NEO-811 will be determined.

  4. Area under the concentration time curve (AUC) of NEO-811.

    Time frame: Start of Cycle 1 until Day 1 of last treatment cycle (each treatment cycle is 21 days).

    Area under the concentration time curve (AUC) of NEO-811 will be determined.

  5. Anti-tumor activity of NEO-811 as a single agent.

    Time frame: Start of Cycle 1 until documented disease progression or death, etc. (each treatment cycle is 21 days), estimated as 6-9 months.

    Tumor response will be determined by RECISTv1.1.

Study contacts

Contact information is provided by the study sponsor or research team.

Sara Weymer

CONTACT

[email protected]

+1 858-428-9800

Sponsors and collaborators

Lead sponsor

Neomorph, Inc

Industry

Registry information

Official study title

An Open-Label, First-in-Human, Phase 1/2 Dose Escalation and Expansion Study of NEO-811 in Subjects With Locally Advanced or Metastatic Non-Resectable Clear Cell Renal Cell Carcinoma

Important dates

Study start
2025
Primary completion
2027
Study completion
2027
First posted
Dec 23, 2025
Registry last updated
Jul 21, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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