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Oral AHR Antagonist in Combination With Nivolumab in Patients With PD-1 Resistant Metastatic or Recurrent Head and Neck Cancer

I

Ikena Oncology

Status and phase

Withdrawn
Phase 1

Conditions

Head Cancer Neck
Head Cancer
Neck Carcinoma
Neck Cancer
Head and Neck Cancer
Head and Neck Squamous Cell Carcinoma

Treatments

Drug: IK-175 + nivolumab

Study type

Interventional

Funder types

Industry

Identifiers

NCT05472506
IK175-002

Details and patient eligibility

About

This is a phase 1b study in adult patients diagnosed with resistant or recurrent head and neck squamous cell carcinoma (HNSCC) designed to assess the safety and tolerability of IK-175 in combination with nivolumab. Disease response, pharmacokinetics (PK), pharmacodynamics, and response biomarkers will also be assessed.

Full description

This is an open-label, multicenter, phase 1b dose-expansion study to evaluate the safety, tolerability, preliminary antitumor activity, PK, and pharmacodynamics of 2 dose levels of IK-175, administered PO in combination with nivolumab, in patients with primary PD-1-resistant metastatic or locally incurable, recurrent HNSCC for which standard therapy is no longer effective or is intolerable.

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Key Inclusion Criteria:

  • Subject has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2.
  • Subject has a histologically confirmed metastatic or locally incurable, recurrent HNSCC that has progressed within 12 weeks of initiation of PD-1 inhibitor agent, whether it was administered alone or in combination with chemotherapy.
  • Tumors must express PD-L1 with a minimum CPS ≥ 1.
  • Subjects can be enrolled regardless of their tumor's expression of human papillomavirus (HPV).
  • Subjects are required to have received prior treatment with a platinum-based chemotherapy in the recurrent or metastatic disease setting, unless medically contraindicated.
  • Subject has at least 1 measurable lesion per RECIST v1.1.

Key Exclusion Criteria:

  • Subject has untreated or symptomatic central nervous system (CNS) tumors or brain metastases.
  • Subject must have recovered to ≤ Grade 1 from clinically significant AEs related to prior therapy (eg, myelosuppression or renal or hepatic dysfunction.)
  • Subject has received prior treatment with an AHR inhibitor.
  • Subject has a medical condition that limits oral administration or impairment of gastrointestinal function that is expected to significantly reduce the absorption of IK-175.
  • Uncontrolled or life-threatening symptomatic concomitant disease.
  • Clinically significant cardiovascular disease as defined in the protocol.
  • Subject is on a medication that is a sensitive substrate of CYP2C8, 2C9, 2C19, or 3A4 that cannot be substituted.
  • Females who are pregnant or breastfeeding.

Other inclusion/exclusion criteria are listed in the protocol.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

0 participants in 2 patient groups

Cohort 1
Experimental group
Description:
600 mg qd PO IK-175 + nivolumab
Treatment:
Drug: IK-175 + nivolumab
Cohort 2
Experimental group
Description:
450 mg q12h PO IK-175 + nivolumab
Treatment:
Drug: IK-175 + nivolumab

Trial contacts and locations

4

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Central trial contact

Marissa Timothy, MS; Jen Schroeder

Data sourced from clinicaltrials.gov

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