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Randomized phase III trial of sequential Re-Radiochemotherapy and Pembrolizumab versus Immuno(chemo)therapy for locoregionally recurrent PD-L1 positive HNSCC (CPS≥1)
EU CTIS ID: 2024-520264-33-00
What this study is testing
The primary objective of the trial is to investigate the efficacy of sequential treatment of Re-Radiochemotherapy followed by pembrolizumab administration compared to standard therapy with pembrolizumab ± chemotherapy in locoregional recurrent HNSCC to improve overall survival.
- Therapeutic confirmatory (Phase III)
A plain-language read of the study's public EU CTIS listing. The study team confirms the details.
Who can take part
You may be able to join if
- Written informed consent obtained from the subject prior to performing any protocol-related procedures.
- Adequate normal organ and marrow function as defined: Haemoglobin ≥ 9.0 g/dL; Leukocytes (WBC) ≥ 3,000 per mm3 or Neutrophils ≥ 1,500 per mm3; Platelet count > 100,000 per mm3.
- Serum bilirubin ≤ 1.5 x institutional upper limit of normal (ULN). This will not apply to subjects with confirmed Gilbert’s syndrome (persistent or recurrent hyperbilirubinemia that is predominantly unconjugated in the absence of haemolysis or hepatic pathology).
- AST (SGOT) / ALT (SGPT) ≤ 2.5 x institutional ULN.
- Creatinine Clearance ≥ 40ml/min (calculated from serum creatinine using the Cockcroft-Gault formula).
- Female subject of childbearing potential should have a negative serum pregnancy within 72 hours prior to receiving the first dose of RT and/or the first dose of pembrolizumab. A highly sensitive pregnancy test must be used.
You likely can't join if
- Prior radio(chemo)therapy of the neck less than 6 months ago.
- Known hypersensitivity to the active substances or to any of the excipients.
- 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.
- Known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
- Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment.
- Infection with human immunodeficiency virus (HIV) (HIV 1/2 antibodies).
See the full eligibility criteria
Who can join
- Written informed consent obtained from the subject prior to performing any protocol-related procedures.
- Adequate normal organ and marrow function as defined: Haemoglobin ≥ 9.0 g/dL; Leukocytes (WBC) ≥ 3,000 per mm3 or Neutrophils ≥ 1,500 per mm3; Platelet count > 100,000 per mm3.
- Serum bilirubin ≤ 1.5 x institutional upper limit of normal (ULN). This will not apply to subjects with confirmed Gilbert’s syndrome (persistent or recurrent hyperbilirubinemia that is predominantly unconjugated in the absence of haemolysis or hepatic pathology).
- AST (SGOT) / ALT (SGPT) ≤ 2.5 x institutional ULN.
- Creatinine Clearance ≥ 40ml/min (calculated from serum creatinine using the Cockcroft-Gault formula).
- Female subject of childbearing potential should have a negative serum pregnancy within 72 hours prior to receiving the first dose of RT and/or the first dose of pembrolizumab. A highly sensitive pregnancy test must be used.
- Female subjects of childbearing potential must be willing to use a highly effective contraceptive measure. Highly effective contraception is required for the course of the trial through 120 days after the last dose of trial therapy.
- Generative male subjects must agree to use a highly effective method of contraception, starting with the first dose of trial therapy through 120 days after the last dose of trial therapy.
- Subject is willing and able to comply with the protocol for the duration of the trial including undergoing treatment and scheduled visits and examinations including.
- Age ≥ 18 years at time of study entry.
- Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2.
- Locoregionally recurrent or second primary HNSCC.
- Histological confirmation of HNSCC.
- Tumor is surgically not resectable or surgical resection bears great potential for relevant functional morbidity or patient refuses surgery.
- No distant metastases (cM0).
- PD-L1 combined positive score (CPS) ≥1 according to local pathological PD-L1 assessment. A validated test must be used in an accredited laboratory.
- Prior radio(chemo)therapy of the neck (time interval ≥ 6 months).
What rules you out
- Prior radio(chemo)therapy of the neck less than 6 months ago.
- Known hypersensitivity to the active substances or to any of the excipients.
- 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.
- Known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
- Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment.
- Infection with human immunodeficiency virus (HIV) (HIV 1/2 antibodies).
- Active hepatitis B (e.g., HBsAg reactive) or hepatitis C (e.g., HCV RNA [qualitative] is detected).
- Live vaccine within 30 days of planned start of trial therapy.
- Performance status of >2 on the ECOG Performance Scale.
- Prior treatment with a PD-1/PD-L1 antibody in primary treatment of locally advanced HNSCC less than 6 months ago.
- Distant metastases (cM1).
- Is currently participating and receiving trial therapy or has participated in a trial of an investigational agent and received trial therapy or used an investigational device within 4 weeks of the first dose of treatment.
- Current or prior use of immunosuppressive medication within 14 days before the first dose of trial treatment. The following are exceptions to this criterion: a. Intranasal, inhaled, topical steroids, or local steroid injections (e.g., intra articular injection) b. Systemic corticosteroids at physiologic doses not to exceed 10 mg/day of prednisone or its equivalent c. Steroids as premedication for hypersensitivity reactions (e.g., CT scan premedication).
- Prior chemotherapy or targeted small molecule therapy within 2 weeks or anti-cancer monoclonal antibody (mAb) within 4 weeks prior to trial day 1 or who has not recovered from AEs due to a previously administered agent. (Subjects with ≤ grade 2 neuropathy are an exception to this criterion and may qualify for the trial.)
- History or concurrent other malignancy. Exceptions include patients, who have been disease free for at least 3 years. Further exceptions are completely resected basal cell carcinoma or squamous cell carcinoma of the skin or successfully treated in situ carcinoma.
- 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). 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.
- History of (non-infectious) pneumonitis that required steroids, evidence of interstitial lung disease or active, non-infectious pneumonitis.
- Has an active or chronic infection requiring systemic antibacterial, antifungal or antiviral therapy within 14 days prior to randomization or first dose of study drugs.
The study team makes the final eligibility decision.
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18-64 years, 65+ years. The study team makes the final eligibility decision.
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BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.