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再発/転移性頭頸部扁平上皮癌の治療のためのペムブロリズマブとセツキシマブの併用

2026年9月10日 更新者:Assuntina G. Sacco, MD、University of California, San Diego

再発/転移性頭頸部扁平上皮癌(HNSCC)患者におけるペムブロリズマブとセツキシマブの併用の有効性を評価するための非盲検、非無作為化、多群、第II相試験

This is a prospective, multi-center, open-label, non-randomized, multi-arm phase II trial to evaluate the efficacy of combination therapy with pembrolizumab and cetuximab for patients with recurrent/metastatic HNSCC. There will be four patient cohorts, including a PD-1/PD-L1 inhibitor-naïve, cetuximab-naïve arm (Cohort 1), a PD-1/PD-L1 inhibitor-refractory, cetuximab-naïve arm (Cohort 2), a PD-1/PD-L1 inhibitor-refractory, cetuximab-refractory arm (Cohort 3), and a cutaneous HNSCC arm (Cohort 4). A total of 83 patients (33 in Cohort 1, 25 in Cohort 2, 15 in Cohort 3, and 10 in Cohort 4) will be eligible to enroll. Patients will be enrolled at 4 sites: UC San Diego Moores Cancer Center, UC Los Angeles Jonsson Comprehensive Cancer Center, University of Michigan Comprehensive Cancer Center, and University of Washington Siteman Cancer Center.

調査の概要

詳細な説明

Primary Objectives:

To determine the clinical efficacy of pembrolizumab combined with cetuximab for patients with R/M HNSCC.

  1. Cohort 1 (PD-1/PD-L1 inhibitor-naïve, cetuximab-naïve): clinical efficacy defined as overall response rate.
  2. Cohort 2 (PD-1/PD-L1 inhibitor-refractory, cetuximab-naïve): clinical efficacy defined as overall response rate.
  3. Cohort 3 (PD-1/PD-L1 inhibitor-refractory, cetuximab-refractory): clinical efficacy defined as overall response rate.
  4. Cohort 4 (cutaneous HNSCC): clinical efficacy defined as overall response rate.

Secondary Objectives:

  1. To determine 12 month progression-free survival probability.
  2. To determine overall survival.
  3. To determine duration of response.
  4. To assess safety and tolerability of pembrolizumab combined with cetuximab.
  5. To evaluate the correlation between molecular markers and disease outcome.

研究の種類

介入

入学 (実際)

78

段階

  • フェーズ2

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

    • California
      • La Jolla、California、アメリカ、92093
        • UCSD Moores Cancer Center
      • Los Angeles、California、アメリカ、90095
        • University of California Los Angeles Cancer Center
    • Michigan
      • Ann Arbor、Michigan、アメリカ、48109
        • University of Michigan Cancer Center
    • Missouri
      • St Louis、Missouri、アメリカ、63110
        • Washington School of Medicine Cancer Center

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

18年歳以上 (大人、高齢者)

健康ボランティアの受け入れ

いいえ

受講資格のある性別

全て

説明

Inclusion Criteria:

Patients must meet all of the inclusion criteria to participate in this study.

  1. Ability to understand and the willingness to sign a written informed consent.
  2. Histologically or cytologically proven squamous cell carcinoma of the head and neck (lip, oral cavity, oropharynx, larynx, hypopharynx, non-EBV related nasopharynx, sinonasal, cutaneous), not amenable to curative intent therapy.
  3. Platinum-refractory disease, or ineligible/unfit for platinum-based therapy
  4. Patients must have at least one measurable site of disease as defined by RECIST v.1.1, determined by investigator review
  5. Age ≥ 18 years.
  6. Eastern Cooperative Oncology Group (ECOG) Performance status 0 or 1.
  7. Patient has adequate hematologic, hepatic and renal function
  8. Female patient of childbearing potential has a negative serum or urine pregnancy within 72 hours prior to receiving the first dose of study medication.
  9. Female patient of childbearing potential agrees to use 2 methods of birth control or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study medication.
  10. Male patient with a partner of childbearing potential agrees to use an adequate method of contraception starting with the first dose of study therapy through 120 days after the last dose of study therapy.

Additional Inclusion Criterion for Cohort 1 (PD-1/PD-L1 Inhibitor-naïve, Cetuximab-naïve) and Cohort 2 (PD-1/PD-L1 Inhibitor-refractory, Cetuximab-naïve):

1. Cetuximab-naïve patients may not have received cetuximab therapy in the recurrent/metastatic setting (treatment in curative setting permitted)

Additional Inclusion Criterion for Cohorts 2 and 3 (PD-1/PD-L1 Inhibitor-refractory):

1. PD-1/PD-L1 inhibitor-refractory patients must have documented disease progression after prior response to anti-PD-1/PD-L1 therapy (response defined as stable disease, partial or complete response)

Additional Inclusion Criterion for Cohort 4 (Cutaneous HNSCC):

1. Cutaneous HNSCC must not be amenable to local treatment modalities, including surgery and/or radiation.

Exclusion Criteria:

Patients meeting any of the exclusion criteria at baseline will be excluded from study participation.

  1. Patient has salivary gland primary.

  2. Patient is currently receiving or has received another investigational agent within 4 weeks prior to Day 1 of study.

  3. Patient has received chemotherapy or radiotherapy within 4 weeks prior to Day 1 of study. Prior palliative radiotherapy to metastatic lesion(s) is permitted, provided there is at least one measurable lesion that has not been radiated.

  4. Patient has received a prior anti-cancer monoclonal antibody (mAb) within 4 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or baseline) from adverse events due to a previously administered agents.

  5. Patient has had major surgery or insufficient recovery from surgical-related trauma or wound healing within 14 days of Study Day 1.

  6. Patient has had a prior Grade ≥ 3 immune-related adverse event (irAE) while receiving any previous immunotherapy agent, or any unresolved irAE > Grade 1.

  7. Patient has had prior Grade 4 infusion reaction to cetuximab.

  8. Patient has a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer.

  9. Patient has known active central nervous system (CNS) metastases and/or carcinomatous meningitis.

    Note: Patients with previously treated brain metastases may participate provided they are stable (without evidence of progression by imaging for at least four weeks prior to the first dose of trial treatment and any neurologic symptoms have returned to baseline), have no evidence of new or enlarging brain metastases, and are not using steroids for at least 7 days prior to trial treatment. This exception does not include carcinomatous meningitis which is excluded regardless of clinical stability.

  10. Patient has an active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs).

    Notes:

    • Patients with vitiligo, Grave's disease, or psoriasis not requiring systemic treatment within the past 2 years are not excluded.
    • Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
  11. Patient has a diagnosis of immunodeficiency or is receiving systemic steroid therapy (>10mg prednisone daily, or steroid equivalent) or any other form of immunosuppressive therapy within 7 days prior to the first dose of pembrolizumab.

  12. Patient has a known history of active TB (Baccillus Tuberculosis).

  13. Patient has a known history of, or any evidence of active, non-infectious pneumonitis.

  14. Patient has a known history of chronic interstitial lung disease.

  15. Patient has an active infection requiring systemic therapy.

  16. Patient has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator.

  17. Patient has a known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.

  18. Patient is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial.

  19. Patient has known active Hepatitis B infection (defined as presence of HepB sAg and/ or Hep B DNA), active hepatitis C infection (defined as presence of Hep C RNA) and/or known Human Immunodeficiency Virus (HIV) carrier (HIV 1/2 antibodies).

  20. Patient has received a live vaccine within 30 days of study Day 1.

Note: Seasonal influenza vaccines for injection are generally inactivated flu vaccines and are allowed; however intranasal influenza vaccines (e.g., Flu-Mist®) are live attenuated vaccines, and are not allowed.

Additional Exclusion Criterion for Cohorts 1 (PD-1/PD-L1 inhibitor-naïve, cetuximab-naïve) and 4 (cutaneous):

1. Patient has received any prior immunotherapy with inhibitors of PD-1 or PD-L1.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

  • 主な目的:処理
  • 割り当て:非ランダム化
  • 介入モデル:並列代入
  • マスキング:なし(オープンラベル)

武器と介入

参加者グループ / アーム
介入・治療
実験的:Cohort 1

PD-1/PD-L1 inhibitor-naïve, cetuximab-naïve

Pembrolizumab (Keytruda®):

Pembrolizumab is administered on an outpatient basis. 200 mg pembrolizumab will be administered as a 30 minute (-5 min/+10 min) intravenous (IV) infusion every 3 weeks.

Cetuximab (Erbitux®):

The initial cetuximab dose of 400mg/m2 is administered on Cycle 1, Day 1 as a 120-minute IV infusion (maximum infusion rate 10mg/min).1 Subsequent weekly cetuximab doses of 250mg/m2 are administered as 60-minute IV infusions (maximum infusion rate 10mg/min).

Pembrolizumab (KEYTRUDA®; MK-3475) is a potent and highly selective humanized monoclonal antibody (mAb) of the immunoglobulin G4 (IgG4)/kappa isotype designed to directly block the interaction between PD-1 and its ligands, programmed cell death ligand 1 (PD-L1) and programmed cell death ligand 2 (PD-L2). This blockade enhances functional activity of the target lymphocytes to facilitate tumor regression and ultimately immune rejection.

Cetuximab (Erbitux®) binds specifically to the epidermal growth factor receptor (EGFR) on both normal and tumor cells, and competitively inhibits the binding of EGF and other ligands, such as transforming growth factor-alpha. Cetuximab can mediate antibody-dependent cellular cytotoxicity (ADCC), with in vitro assays and in vivo animal studies demonstrating that cetuximab inhibits the growth and survival of tumor cells expressing EGFR.

他の名前:
  • キートルーダ®、アービタックス®
実験的:Cohort 2

PD-1/PD-L1 inhibitor-refractory, cetuximab-naïve

Pembrolizumab (Keytruda®):

Pembrolizumab is administered on an outpatient basis. 200 mg pembrolizumab will be administered as a 30 minute (-5 min/+10 min) intravenous (IV) infusion every 3 weeks.

Cetuximab (Erbitux®):

The initial cetuximab dose of 400mg/m2 is administered on Cycle 1, Day 1 as a 120-minute IV infusion (maximum infusion rate 10mg/min).1 Subsequent weekly cetuximab doses of 250mg/m2 are administered as 60-minute IV infusions (maximum infusion rate 10mg/min).

Pembrolizumab (KEYTRUDA®; MK-3475) is a potent and highly selective humanized monoclonal antibody (mAb) of the immunoglobulin G4 (IgG4)/kappa isotype designed to directly block the interaction between PD-1 and its ligands, programmed cell death ligand 1 (PD-L1) and programmed cell death ligand 2 (PD-L2). This blockade enhances functional activity of the target lymphocytes to facilitate tumor regression and ultimately immune rejection.

Cetuximab (Erbitux®) binds specifically to the epidermal growth factor receptor (EGFR) on both normal and tumor cells, and competitively inhibits the binding of EGF and other ligands, such as transforming growth factor-alpha. Cetuximab can mediate antibody-dependent cellular cytotoxicity (ADCC), with in vitro assays and in vivo animal studies demonstrating that cetuximab inhibits the growth and survival of tumor cells expressing EGFR.

他の名前:
  • キートルーダ®、アービタックス®
実験的:Cohort 3

PD-1/PD-L1 inhibitor-refractory, cetuximab-refractory

Pembrolizumab (Keytruda®):

Pembrolizumab is administered on an outpatient basis. 200 mg pembrolizumab will be administered as a 30 minute (-5 min/+10 min) intravenous (IV) infusion every 3 weeks.

Cetuximab (Erbitux®):

The initial cetuximab dose of 400mg/m2 is administered on Cycle 1, Day 1 as a 120-minute IV infusion (maximum infusion rate 10mg/min).1 Subsequent weekly cetuximab doses of 250mg/m2 are administered as 60-minute IV infusions (maximum infusion rate 10mg/min).

Pembrolizumab (KEYTRUDA®; MK-3475) is a potent and highly selective humanized monoclonal antibody (mAb) of the immunoglobulin G4 (IgG4)/kappa isotype designed to directly block the interaction between PD-1 and its ligands, programmed cell death ligand 1 (PD-L1) and programmed cell death ligand 2 (PD-L2). This blockade enhances functional activity of the target lymphocytes to facilitate tumor regression and ultimately immune rejection.

Cetuximab (Erbitux®) binds specifically to the epidermal growth factor receptor (EGFR) on both normal and tumor cells, and competitively inhibits the binding of EGF and other ligands, such as transforming growth factor-alpha. Cetuximab can mediate antibody-dependent cellular cytotoxicity (ADCC), with in vitro assays and in vivo animal studies demonstrating that cetuximab inhibits the growth and survival of tumor cells expressing EGFR.

他の名前:
  • キートルーダ®、アービタックス®
実験的:Cohort 4

cutaneous HNSCC

Pembrolizumab (Keytruda®):

Pembrolizumab is administered on an outpatient basis. 200 mg pembrolizumab will be administered as a 30 minute (-5 min/+10 min) intravenous (IV) infusion every 3 weeks.

Cetuximab (Erbitux®):

The initial cetuximab dose of 400mg/m2 is administered on Cycle 1, Day 1 as a 120-minute IV infusion (maximum infusion rate 10mg/min).1 Subsequent weekly cetuximab doses of 250mg/m2 are administered as 60-minute IV infusions (maximum infusion rate 10mg/min).

Pembrolizumab (KEYTRUDA®; MK-3475) is a potent and highly selective humanized monoclonal antibody (mAb) of the immunoglobulin G4 (IgG4)/kappa isotype designed to directly block the interaction between PD-1 and its ligands, programmed cell death ligand 1 (PD-L1) and programmed cell death ligand 2 (PD-L2). This blockade enhances functional activity of the target lymphocytes to facilitate tumor regression and ultimately immune rejection.

Cetuximab (Erbitux®) binds specifically to the epidermal growth factor receptor (EGFR) on both normal and tumor cells, and competitively inhibits the binding of EGF and other ligands, such as transforming growth factor-alpha. Cetuximab can mediate antibody-dependent cellular cytotoxicity (ADCC), with in vitro assays and in vivo animal studies demonstrating that cetuximab inhibits the growth and survival of tumor cells expressing EGFR.

他の名前:
  • キートルーダ®、アービタックス®

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Overall Response Rate
時間枠:6 months from the time of study enrollment

Proportion of patients with partial or complete response in tumor burden as defined by RECIST

6 months from the time of study enrollment

二次結果の測定

結果測定
メジャーの説明
時間枠
Progression Free Survival
時間枠:12 months from the time of study enrollment

No disease progression or death from any cause at 12 months from the time of study enrollment

12 months from the time of study enrollment
Overall Survival
時間枠:From the time of study enrollment until the date of death from any cause or completion of study, whichever came first, assessed up to 36 months

Time from study enrollment to death from any cause

From the time of study enrollment until the date of death from any cause or completion of study, whichever came first, assessed up to 36 months
Duration of Response
時間枠:Every 9 weeks from first on-treatment scan until disease progression or patient withdrawal from study or date of death from any cause, whichever came first, assessed up to 36 months

Time from documentation of tumor response to disease progression

Every 9 weeks from first on-treatment scan until disease progression or patient withdrawal from study or date of death from any cause, whichever came first, assessed up to 36 months
Number of Patients With Grade 3 Through Grade 5 Adverse Events That Are Related to Pembrolizumab and Cetuximab, Graded According to NCI CTCAE v4.03
時間枠:Upon study enrollment, then subsequently at the first visit of each cycle (cycle length is 21 days), at the time of any adverse event, through end of treatment study visit, assessed up to 36 months

Description, grade (per CTCAE v4.03), seriousness and relatedness

Upon study enrollment, then subsequently at the first visit of each cycle (cycle length is 21 days), at the time of any adverse event, through end of treatment study visit, assessed up to 36 months
Correlative Analyses
時間枠:Tumor specimens (archival or new specimen) should be obtained within 42 days of screening

Tumor tissue biomarkers correlated with outcome to pembrolizumab or cetuximab, such as PD-L1 expression, EGFR expression, p16 status, and immunophenotyping

Tumor specimens (archival or new specimen) should be obtained within 42 days of screening
Correlative Analyses
時間枠:Blood samples will be collected at screening, at time of first radiographic disease assessment on treatment (prior to initiation of cycle 4), and at time of clinical or radiographic disease progression, up to 36 months

Blood biomarkers correlated with outcome to pembrolizumab or cetuximab, including T cell receptor (TCR) sequencing

Blood samples will be collected at screening, at time of first radiographic disease assessment on treatment (prior to initiation of cycle 4), and at time of clinical or radiographic disease progression, up to 36 months
Correlative Analyses
時間枠:Blood samples will be collected at screening, at time of first radiographic disease assessment on treatment (prior to initiation of cycle 4), and at time of clinical or radiographic disease progression, up to 36 months

Blood biomarkers correlated with outcome to pembrolizumab or cetuximab, including Epstein-Barr virus plasma DNA titers

Blood samples will be collected at screening, at time of first radiographic disease assessment on treatment (prior to initiation of cycle 4), and at time of clinical or radiographic disease progression, up to 36 months
Correlative Analyses
時間枠:Newly obtained tumor specimen within 42 days of screening (when feasible)

Whole exome sequencing for neoantigen discovery

Newly obtained tumor specimen within 42 days of screening (when feasible)

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

捜査官

  • 主任研究者:Assuntina Sacco, M.D.、University of California, San Diego

出版物と役立つリンク

研究に関する情報を入力する責任者は、自発的にこれらの出版物を提供します。これらは、研究に関連するあらゆるものに関するものである可能性があります。

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2017年3月28日

一次修了 (実際)

2025年7月21日

研究の完了 (実際)

2025年9月11日

試験登録日

最初に提出

2017年2月28日

QC基準を満たした最初の提出物

2017年3月10日

最初の投稿 (実際)

2017年3月17日

学習記録の更新

投稿された最後の更新 (実際)

2026年10月1日

QC基準を満たした最後の更新が送信されました

2026年9月10日

最終確認日

2026年2月1日

詳しくは

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