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Targeting PD-1 Therapy Resistance With Focused High or High and Low Dose Radiation in SCCHN

Targeting PD-1 Therapy Resistance With Focused High or High and Low Dose Radiation in Squamous Cell Carcinoma of the Head and Neck (SCCHN)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03085719
Enrollment
18
Registered
2017-03-21
Start date
2017-06-30
Completion date
2027-10-31
Last updated
2026-06-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Head and Neck Cancer

Keywords

Head and Neck Cancer

Brief summary

This research study is studying immunotherapy in combination with radiation therapy as a possible treatment for head & neck cancer that has worsened or spread to another organ or part of your body. The immunotherapy involved in this study is: MK-3475 (pembrolizumab or KEYTRUDA).

Detailed description

This research study is a Phase II clinical trial. Phase II clinical trials test the safety and effectiveness of an investigational treatment to learn whether the treatment works in treating a specific disease. "Investigational" means that the treatment is being studied. MK-3475 is a humanized monoclonal antibody. An antibody is a common type of protein made in the body in response to a foreign substance (particles not typically found in the body such as bacteria or viruses). Antibodies attack foreign substances and protect against infection. Antibodies can also be produced in the laboratory for use in treating patients. MK-3475 is designed to restore the natural ability of the immune system to recognize and target cancer cells. The FDA recently granted approval to MK-3475 as a treatment for patients with recurrent or metastatic head and neck squamous cell carcinoma (HNSCC). This study is testing whether using radiation in combination with MK-3475 will make this drug work better in participants that might otherwise be unlikely to benefit from this drug because they have not responded to either this same drug given without radiation or another similar drug.

Interventions

DRUGPembrolizumab

Keytruda is designed to restore the natural ability of the immune system to recognize and target cancer cells

RADIATIONRadiation

Radiation is used to shrink the cancer

Sponsors

Dana-Farber Cancer Institute
Lead SponsorOTHER
Merck Sharp & Dohme LLC
CollaboratorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Pathologically confirmed squamous cell carcinoma of the head and neck with evidence of metastatic disease considered incurable by local therapies. Patients without pathologic or cytologic evidence of metastatic disease should have unequivocal evidence of metastasis from physical examination or radiologic evaluation. * Patients must have evidence of radiologic or clinical disease progression during previous treatment with systemic PD-1 directed therapy, or have stable disease on prior PD-1 therapy (at least 6 doses) and/or have been deemed not to derive clinical benefit from PD-1 directed treatment. * Patients must have least 3 measurable non-CNS based lesions that have not previously been irradiated. Palliative radiation must be potentially indicated for at least one of these lesions. * Patients must agree to undergo a research biopsy, if tumor is accessible, at baseline (mandatory) and at the end of cycle 2 of pembrolizumab (optional). . * Prior systemic therapy: Patients must be at least 2 weeks from prior chemotherapy, biological agents, immunotherapy or any investigational drug product, with adequate recovery of toxicity. For investigational agents, the minimum time from prior therapy is 5 half-lives if this is longer than 2 weeks in duration. * Prior radiation therapy: Patients must be at least 2 weeks from prior radiation therapy * Concurrent administration of other cancer specific therapy during the course of this study is not allowed. * Only patients 18 years and older are eligible. There is no upper age limit but the patients must be able to medically tolerate the regimen. Adverse event data are currently unavailable on the use immune checkpoint blockade for participants \< 18 years of age, and thus children are excluded from this study. * ECOG performance status \<=1 (see Appendix A). * Ability to understand and the willingness to sign a written informed consent document * Female subjects of childbearing potential must have a negative serum pregnancy test at screening. * Female and male subjects of childbearing potential must agree to use an adequate method of contraception as outlined in section 5.7.1. Contraception is required prior to study entry and for the duration of study participation and 4 months after completion of pembrolizumab administration. --Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject. * Participants must have normal organ and marrow function as defined below: * leukocytes ≥3,000/mcl * absolute neutrophil count ≥1,500/mcL * platelets ≥100,000/mcL * hemoglobin \>= 9 g/dl * total bilirubin ≤1.5 × institutional upper limit of normal (ULN) * AST(SGOT)/ALT(SGPT) ≤2.5 × institutional ULN * AST(SGOT)/ALT(SGPT) For patients with documented liver metastases, ≤ 5 × institutional ULN * creatinine ≤1.5 ×within normal institutional ULN OR * creatinine clearance ≥60 mL/min/1.73 m2 for participants with creatinine levels above institutional ULN. * International normalized ratio (INR) or Prothrombin Time (PT) \<1.5 times the upper limit of normal unless subject is receiving anticoagulant therapy, as long as PT or PTT is within therapeutic range of intended use of anticoagulants. * Activated Partial Thromboplastin Time (aPTT) \<1.5 times the upper limit of normal unless subject is receiving anticoagulant therapy, as long as PT or PTT is within therapeutic range of intended use of anticoagulants. * Laboratory tests required for eligibility must be completed within 14 days prior study entry. Baseline tumor measurements must be documented from tests within 28 days of study entry. Other non-laboratory tests must be performed within 28 days of study entry.

Exclusion criteria

* Metastatic disease impinging on the spinal cord or threatening spinal cord compression. * Surgical fixation of bone lesion to be irradiated is required and indicated to provide mechanical stability. * Known brain metastases that are untreated, symptomatic, or require therapy to control symptoms. Participants with previously diagnosed brain metastases are eligible if they have completed treatment at least 2 weeks prior to trial therapy initiation, are neurologically stable, and have recovered from the acute effects of radiotherapy or surgery. Any corticosteroid use for brain metastases must have been discontinued without the subsequent appearance of symptoms for ≥2 weeks before the initiating protocol therapy. Treatment for brain metastases may include surgery, whole brain radiotherapy, radiosurgery, or a combination as deemed appropriate by the treating physician. * Participants who are receiving any other investigational agents. * History of allergic reactions attributed to compounds of similar chemical or biologic composition to pembrolizumab or previous toxicity attributed to pembrolizumab or other PD-1 directed therapy that led to drug discontinuation. * Uncontrolled intercurrent illness including but not limited to ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. * Clinically significant electrocardiogram (ECG) abnormality, including a marked Baseline prolonged QT/QTc (\[QT interval/corrected QT interval\], e.g., a repeated demonstration of a QTc interval \>500 ms). * Pregnant women are excluded from this study because immunotherapy has the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk of adverse events in nursing infants secondary to treatment of the mother with immunotherapy, breastfeeding should be discontinued if the mother is treated on this protocol. * Individuals with a history of a different malignancy are ineligible except for the following circumstances: if they have been disease-free for at least 2 years and are deemed by the investigator to be at low risk for recurrence of that malignancy; or if diagnosed and treated for cervical cancer in situ or basal cell or squamous cell carcinoma of the skin. * HIV-positive individuals on combination antiretroviral therapy are ineligible because of the potential for interaction between immunotherapy and these medications. * Has history of (non-infectious) pneumonitis that required steroids, evidence of interstitial lung disease or active, non infectious pneumonitis. * Active, suspected or prior documented autoimmune disease that has required systemic treatment in the last 2 years with immune modifying agents (e.g. replacement therapy such as thyroxine, insulin or physiologic corticosteroids is not an

Design outcomes

Primary

MeasureTime frameDescription
Progression-Free Surival1 yearThe primary endpoint of this study is progression-free survival (PFS) rate at 3 months. Patients are considered progression-free at 3 months if progression is not observed at the 3-month disease assessment. PFS is defined as the time from registration to disease progression per RECIST or death, whichever occurred first. Progressive Disease is defined as at least a 20% increase in the sum of diameters of target lesions, which must also demonstrate an absolute increase of at least 5 mm (with reference to the smallest sum on study). The appearance of one or more new lesions is also considered progressions (RECIST guidelines version 1.1).

Secondary

MeasureTime frame
Overall Survival1 year
Overall Response Rate1 year
Number of Patients With Treatment Related Adverse Events as Assessed by CTCAE v4.01 year
Objective Response by Immune Related Response Criteria (irRC)1 year
Local Response Determined Using CT Imaging1 year
Clinical Benefit Rate1 year
Abscopal Response Determined Using CT Imaging1 year

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORJonathan D. Schoenfeld, MD MPH

Dana-Farber Cancer Institute

Participant flow

Participants by arm

ArmCount
High Dose Radiation + Pembrolizumab
* High dose radiation will be given in 3 fractions * Pembrolizumab administered intravenously on day one of each cycle. Pembrolizumab: Keytruda is designed to restore the natural ability of the immune system to recognize and target cancer cells Radiation: Radiation is used to shrink the cancer
6
High Dose + Low Dose Radiation + Pembrolizumab
* High Dose radiation will be given in 3 fractions * Low Dose Radiation will be given in 2 fractions * Pembrolizumab administered intravenously on day one of each cycle. Pembrolizumab: Keytruda is designed to restore the natural ability of the immune system to recognize and target cancer cells Radiation: Radiation is used to shrink the cancer
12
Total18

Baseline characteristics

CharacteristicHigh Dose Radiation + PembrolizumabHigh Dose + Low Dose Radiation + PembrolizumabTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
1 Participants9 Participants10 Participants
Age, Categorical
Between 18 and 65 years
5 Participants3 Participants8 Participants
Age, Continuous59 years67 years65.5 years
Disease Site
Hypopharynx
1 Participants2 Participants3 Participants
Disease Site
Larynx
1 Participants1 Participants2 Participants
Disease Site
Oral Cavity
1 Participants2 Participants3 Participants
Disease Site
Oropharynx
3 Participants6 Participants9 Participants
Disease Site
Other
0 Participants1 Participants1 Participants
Disease Stage
Missing
0 Participants1 Participants1 Participants
Disease Stage
Stage III
1 Participants2 Participants3 Participants
Disease Stage
Stage IV
5 Participants9 Participants14 Participants
ECOG PS
0
0 Participants2 Participants2 Participants
ECOG PS
1
6 Participants9 Participants15 Participants
ECOG PS
2
0 Participants1 Participants1 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants1 Participants1 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
6 Participants11 Participants17 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
HIV Status
Negative
6 Participants11 Participants17 Participants
HIV Status
Unknown
0 Participants1 Participants1 Participants
HPV Status
Negative
1 Participants3 Participants4 Participants
HPV Status
Positive
3 Participants5 Participants8 Participants
HPV Status
Unknown
2 Participants4 Participants6 Participants
M Stage
M0
3 Participants6 Participants9 Participants
M Stage
M1
1 Participants5 Participants6 Participants
M Stage
Missing
2 Participants1 Participants3 Participants
N Stage
Missing
0 Participants1 Participants1 Participants
N Stage
N0
0 Participants1 Participants1 Participants
N Stage
N1
0 Participants1 Participants1 Participants
N Stage
N2
6 Participants7 Participants13 Participants
N Stage
N3
0 Participants1 Participants1 Participants
N Stage
NX
0 Participants1 Participants1 Participants
Pathology
Other
0 Participants0 Participants0 Participants
Pathology
Squamous Cell Carcinoma
6 Participants12 Participants18 Participants
Prior IO Therapy Type
Nivolumab
3 Participants3 Participants6 Participants
Prior IO Therapy Type
Nivolumab/Lirilumab
1 Participants8 Participants9 Participants
Prior IO Therapy Type
Other
0 Participants1 Participants1 Participants
Prior IO Therapy Type
Pembrolizumab
2 Participants0 Participants2 Participants
Prior Treatment
Chemotherapy
5 Participants12 Participants17 Participants
Prior Treatment
Radiation Therapy
6 Participants11 Participants17 Participants
Prior Treatment
Surgery
4 Participants5 Participants9 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
1 Participants1 Participants2 Participants
Race (NIH/OMB)
Black or African American
0 Participants1 Participants1 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants1 Participants1 Participants
Race (NIH/OMB)
White
5 Participants9 Participants14 Participants
Region of Enrollment
United States
6 Participants12 Participants18 Participants
Sex: Female, Male
Female
0 Participants2 Participants2 Participants
Sex: Female, Male
Male
6 Participants10 Participants16 Participants
Smoking Status
Current Smoker
0 Participants3 Participants3 Participants
Smoking Status
Former Smoker
5 Participants4 Participants9 Participants
Smoking Status
Never Smoked
1 Participants5 Participants6 Participants
T Stage
Missing
0 Participants1 Participants1 Participants
T Stage
T1
1 Participants1 Participants2 Participants
T Stage
T2
1 Participants2 Participants3 Participants
T Stage
T3
2 Participants3 Participants5 Participants
T Stage
T4
1 Participants3 Participants4 Participants
T Stage
TX
1 Participants2 Participants3 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
6 / 610 / 12
other
Total, other adverse events
4 / 612 / 12
serious
Total, serious adverse events
3 / 67 / 12

Outcome results

Primary

Progression-Free Surival

The primary endpoint of this study is progression-free survival (PFS) rate at 3 months. Patients are considered progression-free at 3 months if progression is not observed at the 3-month disease assessment. PFS is defined as the time from registration to disease progression per RECIST or death, whichever occurred first. Progressive Disease is defined as at least a 20% increase in the sum of diameters of target lesions, which must also demonstrate an absolute increase of at least 5 mm (with reference to the smallest sum on study). The appearance of one or more new lesions is also considered progressions (RECIST guidelines version 1.1).

Time frame: 1 year

Population: The groups of 'High Dose Radiation + Pembrolizumab' and 'High Dose + Low Dose Radiation + Pembrolizumab' listed under Primary Outcome were the predefined groups in the study protocol; this was not a dose escalation study for pembrolizumab.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
High Dose Radiation + PembrolizumabProgression-Free Surival1 Participants
High Dose + Low Dose Radiation + PembrolizumabProgression-Free Surival8 Participants
Secondary

Abscopal Response Determined Using CT Imaging

Time frame: 1 year

Secondary

Clinical Benefit Rate

Time frame: 1 year

Secondary

Local Response Determined Using CT Imaging

Time frame: 1 year

Secondary

Number of Patients With Treatment Related Adverse Events as Assessed by CTCAE v4.0

Time frame: 1 year

Secondary

Objective Response by Immune Related Response Criteria (irRC)

Time frame: 1 year

Secondary

Overall Response Rate

Time frame: 1 year

Secondary

Overall Survival

Time frame: 1 year

Source: ClinicalTrials.gov · Data processed: Jun 16, 2026