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NCT03474497 | RECRUITING | Non Small Cell Lung Cancer

UCDCC#272: IL-2, Radiotherapy, and Pembrolizumab in Patients Refractory to Checkpoint Blockade
Sponsor:

Megan Daly, MD

Information provided by (Responsible Party):

Megan Daly, MD

Brief Summary:

This is a phase I/II study that will evaluate the safety and toxicity of this combinatorial approach. Eligible patients \>18 years of age with histologically proven metastatic NSCLC, melanoma, RCC, or HNSCC who have failed PD-1 / PD-L1 checkpoint blockade therapy will be enrolled. Patients must have a candidate treatment lesion (subcutaneous, nodal, or visceral) accessible and safe for radiotherapy and serial intralesional injections as specified by the protocol. They must also have at least one target lesion (distinct from treatment lesion and outside of treatment lesion radiation field) evaluable for response by RECIST. This study will consist of a phase I dose escalation using a standard 3+3 design to determine safety and MTD of intralesional IL-2 which will be dose escalated in conjunction with standard fixed doses of RT and Pembrolizumab. At the MTD there will be a phase II dose expansion which will incorporate a simon-two stage design to assess efficacy and safety. Patients will receive pembrolizumab and intralesional IL-2 in combination with hypofractionated radiotherapy.

Condition or disease

Non Small Cell Lung Cancer

Metastatic Melanoma

Metastatic Renal Cell Carcinoma

Head and Neck Squamous Cell Carcinoma

Intervention/treatment

IL-2

Pembrolizumab

Radiotherapy

Phase

PHASE1

PHASE2

Detailed Description:

This is a phase I/II study that will evaluate the safety and toxicity of this combinatorial approach. Eligible patients \>18 years of age with histologically proven metastatic NSCLC, melanoma, RCC, or HNSCC who have failed PD-1 / PD-L1 checkpoint blockade therapy will be enrolled. Patients must have a candidate treatment lesion (subcutaneous, nodal, or visceral) accessible and safe for radiotherapy and serial intralesional injections as specified by the protocol. They must also have at least one target lesion (distinct from treatment lesion and outside of treatment lesion radiation field) evaluable for response by RECIST. This study will consist of a phase I dose escalation using a standard 3+3 design to determine safety and MTD of intralesional IL-2 which will be dose escalated in conjunction with standard fixed doses of RT and Pembrolizumab. At the MTD there will be a phase II dose expansion which will incorporate a simon-two stage design to assess efficacy and safety. Patients will receive pembrolizumab and intralesional IL-2 in combination with hypofractionated radiotherapy. * Radiotherapy will be delivered to the treatment lesion during the second cycle of therapy using an 8 Gy x 3 fractions palliative regimen. Fractions may be delivered on consecutive or every other day but must be completed during week 1-2 of cycle 2 and will not be repeated in future cycles. * Pembrolizumab will be delivered at 200 mg in three week cycles per standard protocol. * A total of four interleukin-2 treatments will be delivered into the treatment lesion by intralesional injection biweekly (at least 48 hours apart) starting 24-96 hours after the completion of radiotherapy and to be completed during the second on-trial cycle of Pembrolizumab. Intralesional injections will be performed by direct visualization and/or palpation of the lesion or under ultrasound or CT guidance as indicated. Patients will be assessed by a physician once during the first week of radiotherapy, during each intralesional IL-2 injection, and with every cycle of pembrolizumab during the first three cycles. Thereafter patients will be assessed every 30 days during the study period and will continue until disease progression. All patients on active treatment will be discussed at weekly conferences of the trial investigators. Routine laboratory evaluation will occur pre-treatment and every 30 days. For response assessment patient will have imaging pre-treatment and after every three cycles of Pembrolizumab. For collateral studies patients will undergo mandatory treatment lesion biopsies and blood draws pre-treatment and during the needle placement for the final IL-2 treatment. Preliminary efficacy as determined by abscopal response rate, ORR, DCR and PFS will be assessed every 3 cycles. The patient will remain on protocol treatment until progression as determined by irRECIST, treatment is no longer tolerated, or the patient has completed 12 months of treatment. Patients on active treatment at 12 months may continue to receive pembrolizumab but will revert to standard of care (SOC) management and be labeled in "follow up". At this time only PFS and long-term toxicity data will be collected every 3 months. The primary endpoint is to determine if this regimen converts patients with resistance to PD 1/PD-L1 checkpoint blockade into responders as determined by abscopal response rate (defined as response rate at lesions not treated with RT + IL-2) using irRECIST as well as ORR, DCR, and PFS using RECIST 1.1. The secondary endpoint is tolerability, safety, and toxicity using CTCAE v4.03. Correlative studies include immunophenotyping serial tumor biopsies and blood samples.

Study Type : INTERVENTIONAL
Estimated Enrollment : 45 participants
Masking : NONE
Primary Purpose : TREATMENT
Official Title : UCDCC#272: A Phase I/II Study of Intralesional IL-2, Hypofractionated Radiotherapy, and Pembrolizumab in Patients Refractory to Standard-of-Care PD-1/PD-L1 Checkpoint Blockade
Actual Study Start Date : 2019-05-20
Estimated Primary Completion Date : 2023-12
Estimated Study Completion Date : 2023-12

Information not available for Arms and Intervention/treatment

Ages Eligible for Study: 18 Years
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers:
Criteria
Inclusion Criteria
  • 1. Adults ≥18 years of age with histologically proven metastatic NSCLC, melanoma, RCC, or head and neck SCC.
  • 2. Failure to respond to checkpoint blockade therapy or previously responding patients who progress on PD-1/PD-L1 checkpoint blockade therapy.
  • 3. ECOG (Eastern Cooperative Oncology Group) performance status score of 0 - 1 (Appendix 1)
  • 4. Presence of a candidate treatment lesion (subcutaneous or nodal lesions are preferable but visceral lesions will be considered) accessible and safe for radiotherapy and serial intralesional injections.
  • 5. Presence of at least one target lesion (distinct from treatment lesion and outside of treatment lesion radiation field) evaluable for response by irRECIST
  • 6. Life expectancy ≥ 6 months
  • 7. Demonstrate adequate organ function as defined in Table 2, all screening labs should be performed within 10 days of treatment initiation.
  • (Note: see protocol for table 2)
  • 8. No other active malignancy.
  • 9. Female subject of childbearing potential should have a negative urine or serum pregnancy within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required.
  • 10. Female subjects of childbearing potential (Section 5.7.2) must be willing to use an adequate method of contraception as outlined in Section 5.7.2 - Contraception, for the course of the study through 120 days after the last dose of study medication.
  • Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.
  • 11. Male subjects of childbearing potential (Section 5.7.1) must agree to use an adequate method of contraception as outlined in Section 5.7.1- Contraception, starting with the first dose of study therapy through 120 days after the last dose of study therapy.
  • Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.
  • 12. Signed informed consent.
  • 13. Ability to comply with the protocol.
  • 14. Systolic ≥80.
  • 15. No active auto-immune disease and not on therapy for auto-immune disease.
  • 16. Patients with a history of autoimmune-related hypothyroidism on a stable dose of thyroid replacement hormone are eligible.
Exclusion Criteria
  • 1. Uncontrolled concomitant disease.
  • 2. Is currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks of the first dose of treatment.
  • 3. Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment. Use of inhaled or topical steroids or systemic corticosteroids \< 10 mg/ day is permitted.
  • 4. Has a known history of active TB (Bacillus Tuberculosis)
  • 5. Hypersensitivity to pembrolizumab or any of its excipients.
  • 6. Has had a prior anti-cancer monoclonal antibody (mAb) (excluding PD-1/PD-L1 inhibitor) within 4 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to agents administered more than 4 weeks earlier.
  • 7. Has had prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to a previously administered agent.
  • Note: Subjects with ≤ Grade 2 neuropathy are an exception to this criterion and may qualify for the study.
  • Note: If subject received major surgery, they must have recovered adequately from the toxicity and/or complications from the intervention prior to starting therapy.
  • 8. 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. Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis. Subjects 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. Has 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 (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
  • 11. History of severe autoimmune disease.
  • 12. Treatment with systemic immunostimulatory agents within 4 weeks or five half-lives of the drug, whichever is shorter, prior to enrollment (with the exception of checkpoint blockade therapy).
  • 13. Treatment with systemic corticosteroids or other systemic immunosuppressive medications within past 4 weeks or 5 half-lives whichever is shorter. Use of inhaled or topical steroids or systemic corticosteroids \< 10 mg/ day is permitted.
  • 14. Has a history of (non-infectious) pneumonitis that required steroids or current pneumonitis.
  • 15. Has an active infection requiring systemic therapy.
  • 16. 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. Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
  • 18. 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.
  • 19. Has a known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies).
  • 20. Has known active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA \[qualitative\] is detected).
  • 21. Has received a live vaccine within 30 days of planned start of study therapy. 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.
  • 22. Patients unable to tolerate checkpoint inhibitor therapy.
  • 23. Unresolved Grade 3 or any grade 4 non-hematological, treatment-related AEs attributed to prior PD-1/ PD-L1 checkpoint blockade. A minimum of 2 weeks from prior PD-1/PD-L1 checkpoint blockade to initiating study treatment.
UCDCC#272: IL-2, Radiotherapy, and Pembrolizumab in Patients Refractory to Checkpoint Blockade

Location Details

NCT03474497

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Locations

RECRUITING

United States, California

UC Davis Medical Center

Sacramento, California, United States, 95817

RECRUITING

United States, California

University of California Davis Medical Center

Sacramento, California, United States, 97817