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OncoMatch/Clinical Trials/NCT05526924

Dosing Study of Radiation Combined With Tislelizumab and Pamiparib in Patients With Previously Treated Head and Neck Cancer

Is NCT05526924 recruiting? Yes, currently enrolling (May 2026). This Phase 1 trial studies multiple treatments including Pamiparib and Hydroxyurea for head and neck cancer.

Phase 1RecruitingUniversity of ChicagoNCT05526924Data as of May 2026

Treatment: Pamiparib · Hydroxyurea · Fluorouracil (5FU) · TislelizumabThe purpose of this study is to evaluate the safety, tolerability and maximum tolerated dose of tislelizumab in combination with pamiparib plus chemoradiotherapy (chemotherapy and radiation) in individuals with recurrent head and neck cancer, which means that the person's cancer has come back after treatment. Participation in the study should last for about 15 months while participants receive tislelizumab and chemoradiotherapy with pamiparib. Afterwards, they will return to the clinic for follow up every 4 months for 2 years, every 6 month for the next 2 years, and then once a year for the rest of their life.

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Extracted eligibility criteria

Cancer type

Head and Neck Squamous Cell Carcinoma

Biomarker criteria

Required: HPV p16 immunohistochemistry (IHC) positivity (p16 positive)

Human papillomavirus (HPV) testing for oropharynx primary tumors by p16 immunohistochemistry (IHC) positivity

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

Min 1 prior line

Must have received: radiation therapy

previously irradiated head and neck squamous cell carcinoma

Cannot have received: chemotherapy

Exception: permitted if completed ≥ 1 month before study entry and recovered from adverse effects

Patients who have had chemotherapy within 4 weeks prior to entering the study, or those who have not recovered from adverse events due to agents administered more than 4 weeks earlier

Lab requirements

Blood counts

Patients must have normal organ and marrow functions as defined by lab values that will be confirmed by the study doctor.

Kidney function

Patients must have normal organ and marrow functions as defined by lab values that will be confirmed by the study doctor.

Liver function

Patients must have normal organ and marrow functions as defined by lab values that will be confirmed by the study doctor.

Patients must have normal organ and marrow functions as defined by lab values that will be confirmed by the study doctor.

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • The University of Chicago · Chicago, Illinois

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