LUMINOS-102: Lerapolturev With or Without Immune Checkpoint Blockade in Advanced PD-1 Refractory Melanoma

• ClinicalTrials.gov Identifier: NCT04577807
• Recruitment Status: Recruiting
• First Posted: October 8, 2020
• Last Update Posted: December 13, 2022
• Sponsor: Istari Oncology, Inc.
• Information provided by (Responsible Party): Istari Oncology, Inc.

Study Description

Brief Summary:

A Phase 2 study to investigate the efficacy and safety of lerapolturev alone or in combination with a programmed death receptor-1 (anti-PD-1) inhibitor.

Condition or disease	Intervention/treatment	Phase
Melanoma	Biological: Lerapolturev; Biological: Anti-PD-1 Checkpoint Inhibitor	Phase 2

Detailed Description:

This multi-center, open-label, randomized, Phase 2 will investigate the efficacy and safety of lerapolturev alone (Arm 1) or in combination with an anti-PD-1 inhibitor (Arm 2). Following a 6 participant safety run-in period, up to approximately 50 participants with cutaneous melanoma who previously failed anti-PD-1/L1-based therapy will be randomized 1:1 to receive either lerapolturev or lerapolturev plus an anti-PD-1.

Study Design

• Study Type: Interventional (Clinical Trial)
• Estimated Enrollment: 56 participants
• Allocation: Randomized
• Intervention Model: Parallel Assignment
• Masking: None (Open Label)
• Primary Purpose: Treatment
• Official Title: Lerapolturev (Formerly Known as PVSRIPO) With or Without Immune Checkpoint Blockade in Advanced PD-1 Refractory Melanoma
• Actual Study Start Date: November 17, 2020
• Estimated Primary Completion Date: October 2023
• Estimated Study Completion Date: October 2023

Arms and Interventions

Arm	Intervention/treatment
Experimental: Arm 1: Lerapolturev Only; Lerapolturev (up to 1.6x10^9 TCID50) administered via direct injection of up to 6 lesions given weekly for 7 weeks, followed by every 3 weeks thereafter.	Biological: Lerapolturev; Lerapolturev administered via direct lesion injection
Experimental: Arm 2: Lerapolturev and anti-PD-1; Lerapolturev (up to 1.6x10^9 TCID50) administered via direct injection of up to 6 lesions given weekly for 7 weeks, followed by every 3 or 4 weeks thereafter. Anti-PD-1 therapy given as per the anti-PD-1 approved package insert.	Biological: Lerapolturev; Lerapolturev administered via direct lesion injection; Biological: Anti-PD-1 Checkpoint Inhibitor; Anti-PD-1 Checkpoint Inhibitor administered per package insert instructions

Outcome Measures

Primary Outcome Measures :

1. Overall Response Rate (ORR) [ Time Frame: 24 months ]
   The proportion of patients achieving confirmed complete (CR) or partial response (PR), per RECIST 1.1 criteria
2. Frequency and severity of treatment-emergent adverse events [ Time Frame: 24 months ]
   The frequency and severity of treatment-emergent adverse events (TEAE) via Common Terminology Criteria for Adverse Events (CTCAE, v5.0)
3. Frequency and severity of adverse events of special interest (AESIs and AEs) [ Time Frame: 24 months ]
   Lerapolturev AESIs and anti-PD-1 immune related AEs (irAEs)
4. Incidence of study treatment discontinuation due to adverse events (AEs) [ Time Frame: 24 months ]
   Study treatment discontinuation due to AEs
5. Changes from baseline in the number of CD8+ tumor infiltrating lymphocytes (TILs) [ Time Frame: 24 months ]
   Changes from baseline in the number of CD8+ tumor infiltrating lymphocytes (TILs)
6. Changes from baseline in PD-L1 expression [ Time Frame: 24 months ]
   Changes from baseline in PD-L1 expression

Secondary Outcome Measures :

1. Overall Survival [ Time Frame: 24 months ]
   Overall survival (OS): time from treatment group assignment until death from any cause.
2. Duration of Response [ Time Frame: 24 months ]
   Duration of Response (DOR): time from confirmed objective response (CR or PR per RECIST 1.1) until unequivocal disease progression or death, whichever occurs first
3. Disease Control Rate [ Time Frame: 24 months ]
   Disease control rate (DCR): the proportion of patients achieving confirmed CR, confirmed PR, or stable disease (SD) per RECIST1.1, as best response.
4. DCR-6 months [ Time Frame: 24 months ]
   Disease control rate-6months (DCR-6mo): the proportion of patients achieving confirmed CR (any duration), confirmed PR (any duration) or SD (≥ 6 months) per RECIST 1.1 as best response.
5. Durable Response Rate [ Time Frame: 24 months ]
   Durable Response Rate (DRR): the proportion of participants with confirmed CR or PR (per RECIST 1.1) lasting at least 6 months
6. Progression-free survival (PFS) [ Time Frame: 24 months ]
   Progression-free survival (PFS): time (number of months) from treatment group assignment until date of documented radiologic disease progression per RECIST 1.1 or death due to any cause, whichever comes first

Other Outcome Measures:

1. Lerapolturev mechanism of action and predictors of response to lerapolturev with or without anti-PD-1 in patients who have failed anti-PD1/L1 -based therapy [ Time Frame: 24 months ]
   • Assessment and identification of genetic, cytologic, histologic and/or other markers in tumor biopsies and PBMC samples that may correlate with response.
   • Assessment of changes over time in immune markers, including, but not limited to immune cell density, T cell receptor repertoire, and chemokine and/or cytokine profile in blood, samples, and/or tissue
2. ORR based on iRECIST [ Time Frame: 24 months ]
   ORR based on iRECIST criteria
3. DOR based on iRECIST [ Time Frame: 24 months ]
   DOR based on iRECIST criteria
4. DRR based on iRECIST [ Time Frame: 24 months ]
   DRR based on iRECIST criteria
5. DCR based on iRECIST [ Time Frame: 24 months ]
   DCR based on iRECIST criteria
6. DCR-6mo based on iRECIST [ Time Frame: 24 months ]
   DCR-6mo based on iRECIST criteria
7. ORR based on subgroup [ Time Frame: 24 months ]

   ORR in the following subgroups:

   • Acquired versus primary PD-1/L1 resistance as defined by Kluger, et al (2020)
   • BRAF wild type and mutant
   • LDH levels at baseline
   • Time since last dose of anti-PD1/L1 therapy prior to randomization (≤ or >6 weeks)
   • Crossover to combination arm from lerapolturev monotherapy
8. DOR based on subgroup [ Time Frame: 24 months ]

   DOR in the following subgroups:

   • Acquired versus primary PD-1/L1 resistance as defined by Kluger, et al (2020)
   • BRAF wild type and mutant
   • LDH levels at baseline
   • Time since last dose of anti-PD1/L1 therapy prior to randomization (≤ or >6 weeks)
   • Crossover to combination arm from lerapolturev monotherapy
9. DRR based on subgroup [ Time Frame: 24 months ]

   DRR in the following subgroups:

   • Acquired versus primary PD-1/L1 resistance as defined by Kluger, et al (2020)
   • BRAF wild type and mutant
   • LDH levels at baseline
   • Time since last dose of anti-PD1/L1 therapy prior to randomization (≤ or >6 weeks)
   • Crossover to combination arm from lerapolturev monotherapy
10. DCR based on subgroup [ Time Frame: 24 months ]

    DCR in the following subgroups:

    • Acquired versus primary PD-1/L1 resistance as defined by Kluger, et al (2020)
    • BRAF wild type and mutant
    • LDH levels at baseline
    • Time since last dose of anti-PD1/L1 therapy prior to randomization (≤ or >6 weeks)
    • Crossover to combination arm from lerapolturev monotherapy
11. DCR-6mo based on subgroup [ Time Frame: 24 months ]

    DCR-6mo in the following subgroups:

    • Acquired versus primary PD-1/L1 resistance as defined by Kluger, et al (2020)
    • BRAF wild type and mutant
    • LDH levels at baseline
    • Time since last dose of anti-PD1/L1 therapy prior to randomization (≤ or >6 weeks)
    • Crossover to combination arm from lerapolturev monotherapy
12. OS based on subgroup [ Time Frame: 24 months ]

    OS in the following subgroups:

    • According to treatment arm and AJCC stage at baseline
    • Primary versus acquired resistance as defined by Kluger et al
    • BRAF wild type and mutant
    • LDH levels at baseline
    • Time since last dose of anti-PD1/L1 therapy prior to randomization (≤ or >6 weeks)
    • Crossover to combination arm from lerapolturev monotherapy
13. PFS based on subgroup [ Time Frame: 24 months ]

    PFS in the following subgroups:

    • According to treatment arm and AJCC stage at baseline
    • Primary versus acquired resistance as defined by Kluger et al
    • BRAF wild type and mutant
    • LDH levels at baseline
    • Time since last dose of anti-PD1/L1 therapy prior to randomization (≤ or >6 weeks)
    • Crossover to combination arm from lerapolturev monotherapy

Eligibility Criteria

• Ages Eligible for Study: 18 Years and older (Adult, Older Adult)
• Sexes Eligible for Study: All
• Accepts Healthy Volunteers: No

Criteria

Inclusion Criteria:

1. ≥ 18 years of age

2. Prior CDC-recommended vaccination series against PV, and has received a boost immunization with trivalent IPOL® (Sanofi-Pasteur SA) at least 1 week, but less than 6 weeks, prior to Day 1

   a. NOTE: Patients who are unsure of their vaccination status must provide evidence of anti-PV immunity prior to enrollment, as applicable

3. Has biopsy proven unresectable cutaneous melanoma and is willing to undergo tumor biopsy prior to the first dose of study drugs and at prespecified intervals during the study

   1. Patients with ocular, acral or mucosal melanoma are not eligible
   2. Patients with M1c or M1d disease are NOT eligble.
   3. Submission of an archival biopsy sample is allowed in lieu of the baseline tumor biopsy, provided the tissue is ≤4 months old and the participant received no intervening systemic/intratumoral anti-cancer therapy since the biopsy was acquired.
   4. Must have at least 1 lesion that is amenable to biopsy. The lesion must be safely accessible as determined by the investigator and should not be located at sites that require significant risk procedures to biopsy. Examples of sites considered to be of significant risk include but are not limited to the following: the brain, lung, mediastinum, pancreas, or endoscopic procedures extending beyond the esophagus, stomach, or bowel wall.

4. Has ≥ 2 melanoma lesions that are accurately measurable by caliper or a radiological method according to RECIST 1.1 criteria

   1. One lesion must be injectable- defined as a visible or palpable cutaneous, subcutaneous, or nodal melanoma lesion ≥10 mm in longest diameter or multiple injectable melanoma lesions which in aggregate have a longest diameter of ≥10 mm and where the minimum lesion size is ≥5 mm
   2. Note that visceral lesions (eg, liver, lung, retroperitoneal, subpleural lesions) are not considered injectable for the purposes of this trial.

5. Has had confirmed progression of disease (PD) while receiving at least 6 weeks (> 1 dose) of an FDA-approved anti-PD-1/L1 therapy (as monotherapy or in combination) for the treatment of melanoma. Note the following details:

   1. Initial PD as defined by RECIST v1.1
   2. Confirmation of PD per iRECIST must occur by repeat assessment ≥ 4 weeks from initial evidence of PD, in the absence of rapid clinical progression.
   3. Those who discontinue anti-PD-1/L1 therapy after at least 6 weeks (> 1 dose) and have confirmed PD per iRECIST within 12 weeks of their last anti-PD-1/L1 dose are also eligible, provided the anti-PD-1/L1 was not stopped due to toxicity requiring permanent discontinuation
   4. Those treated with anti-PD-1/L1 in the adjuvant setting and who have biopsy-confirmed progression either while receiving anti-PD-1/L1-based therapy or ≤ 12 weeks after their last dose of anti-PD-1/L1 therapy are allowed NOTE: Adjuvant is defined as therapy received after surgical resection of disease such that the patient has no evidence of disease when the anti-PD-1/L1 therapy is initiated. Patients with known BRAF mutation must have also failed or refused to receive BRAF-targeted therapy (alone or in combination with MEK inhibitor) to be eligible.
6. Eastern Cooperative Oncology Group (ECOG) status of 0-1
7. Serum lactate dehydrogenase (LDH) levels ≤ 3 x upper limit of normal (ULN)

8. Adequate bone marrow, liver and renal function as assessed by the following:

   1. Hemoglobin ≥ 9.0 g/dl, patients may be transfused
   2. Lymphocyte count ≥ 0.5 x 10^9/L (500 µL)
   3. Absolute neutrophil count (ANC) ≥ 1.5 x 10^9/L (1500 µL)
   4. Platelet count ≥ 100 x 10^9/L (100,000 µL) without transfusion
   5. AST, ALT, and alkaline phosphatase (ALP) ≤ 2.5 x upper limit of normal (ULN), with the following exceptions: Patients with documented liver metastases: AST and ALT ≤ 5 x ULN; Patients with documented liver or bone metastases: ALP ≤ 5 x ULN
   6. Serum bilirubin ≤ 1.5 x ULN with the following exception: Patients with known Gilbert disease: serum bilirubin level ≤ 3 x ULN
   7. Measured or calculated (per institutional standards) creatinine clearance ≥ 30 ml/min (GRF can also be used in place of creatinine clearance)
   8. For patients not receiving therapeutic anticoagulation: INR, PT, PTT (or aPTT) ≤ 1.5 x ULN
9. Life expectancy of >12 weeks
10. Signed informed consent form (ICF) indicating that participant understands the purpose of, and procedures required for the study, and is willing/able to participate in the study

Exclusion Criteria:

1. Has biopsy-proven ocular, acral or mucosal melanoma
2. Has M1c or M1d disease

3. No more than one prior systemic anti-cancer regimen (monotherapy or combination) for management of melanoma. Additional details noted below:

   1. Adjuvant anti-cancer therapy administered ≥ 6 months prior to the first injection of lerapolturev does NOT count as a line of treatment.
   2. Patients with BRAF mutant melanoma may enroll if they have received ≤ 2 prior lines of systemic anti-cancer therapy only if one of those lines of therapy was a BRAF-targeted regimen (alone or in combination with MEK inhibitor).
   3. A line of therapy is defined as a regimen in which at least 2 doses of systemic anti-cancer therapy (monotherapy or combination) was administered, and the regimen was discontinued because of progressive disease

4. Uncontrolled tumor-related pain. Participants requiring pain medication must be on a stable regimen at study entry.

   1. Symptomatic lesions amenable to palliative radiotherapy (e.g., bone metastases or metastases causing nerve impingement) should treated prior to enrollment. Patients should be recovered from the effects of radiation. There is no required minimum recovery period
   2. Asymptomatic metastatic lesions that would likely cause functional deficits or intractable pain with further growth (e.g., epidural metastasis that is not currently associated with spinal cord compression) should be considered for loco-regional therapy if appropriate prior to enrollment
5. Grade ≥2 pleural effusion, pericardial effusion, or ascites

6. Active or history of autoimmune disease or immune deficiency within previous 2 years, with the following exceptions:

   1. History of autoimmune-related endocrinopathy (e.g. adrenal insufficiency, hypothyroidism, Type 1 diabetes mellitus, etc.) that is managed by hormone replacement therapy (e.g. hydrocortisone, thyroid hormone, insulin, etc.)
   2. Eczema, psoriasis, or lichen simplex chronicus with dermatologic manifestations only (eg, patients with psoriatic arthritis are excluded), provided all of the following conditions are met:

   i. Rash must cover <10% of body surface area

   ii. Disease is well-controlled at baseline and requires only low-potency topical corticosteroids

   iii. No occurrence of acute exacerbations of the underlying condition requiring psoralen plus ultraviolet A radiation, methotrexate, retinoids, biologic agents, oral calcineurin inhibitors, or high potency or oral corticosteroids within 12 months of Day 1

7. History of idiopathic pulmonary fibrosis, organizing pneumonia (e.g., bronchiolitis obliterans), drug-induced or idiopathic pneumonitis, or evidence of active pneumonitis on screening chest computed tomography (CT) scan

   a. History of radiation pneumonitis in the radiation field (fibrosis) is allowed.

8. History of a positive HIV RNA test (HIV 1 or 2 RNA by PCR)

9. Known active hepatitis B virus (HBV) infection (chronic or acute)

   a. NOTE: Participants with a negative HBsAg test and a positive total hepatitis B core antibody (HBcAb) test are allowed.

10. Known active hepatitis C virus (HCV) infection

    a. NOTE: History of a positive HCV antibody test, but negative HCV RNA test is allowed.

11. Active tuberculosis
12. Significant cardiovascular disease, such as New York Heart Association Class II or greater cardiac disease, myocardial infarction, or cerebrovascular accident within 3 months of Day 1, unstable arrhythmia, or unstable angina

13. Has received prior systemic anti-cancer therapy including investigational agents within 4 weeks or 5 elimination half-lives- whichever is shorter, prior to treatment, or has not recovered from all AEs due to previous therapies to ≤Grade 1 or baseline. Participants with ≤Grade 2 neuropathy are eligible

    1. Note: Anti-PD-1/L1 within 4 weeks prior to Day 1 is allowed
    2. If participant received major surgery, they must have recovered adequately from the toxicity and/or complications from the intervention prior to starting study treatment.
14. History of other malignancy within 2 years prior to Day 1, with the exception of those with a negligible risk of metastasis or death (e.g., resected cutaneous basal cell carcinoma, or other cancers with 5-year OS of >90%)

15. Severe infection within 4 weeks prior to Day 1, including, but not limited to, hospitalization for complications of infection, bacteremia, or severe pneumonia

    a. Prophylactic antibiotics (e.g., to prevent a urinary tract infection or chronic obstructive pulmonary disease exacerbation) are allowed.

16. Prior allogeneic stem cell or solid organ transplantation
17. Treatment with a live, attenuated vaccine within 4 weeks prior to Day 1

18. Treatment with systemic immunosuppressive medication within 4 weeks prior to Day 1, with the following exceptions:

    1. Participants who received acute, low-dose systemic immunosuppressant medication or a one-time pulse dose of systemic immunosuppressant medication (e.g., 48 hours of corticosteroids for a contrast allergy) are eligible
    2. Patients receiving mineralocorticoids (e.g., fludrocortisone), or systemic prednisone equivalent corticosteroid doses of <10mg per day are eligible for the study
19. Known hypersensitivity to pembrolizumab, nivolumab, or any of the respective excipients

20. Requires therapeutic anticoagulation and cannot discontinue anticoagulation safely during the day prior, day of, and day after each lerapolturev injection

    a. NOTE: Participants receiving anticoagulation with warfarin at the time of study entry are allowed if they can be transitioned to an alternative anticoagulant (eg, low molecular weight heparin or direct oral anticoagulants) prior to the first dose of lerapolturev. Anyone transitioned from warfarin to an oral anticoagulant prior to the first dose of lerapolturev should have an INR <1.5x upper limit of normal in order to participate. Antiplatelet agents (eg, aspirin, clopidogrel, etc.) are not considered anticoagulants for the purposes of this study (ie, are allowed)

21. A pregnant or nursing female, or women of child-bearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception starting from signed ICF through 150 days after last anti-PD-1 dose
22. History of human serum albumin allergy
23. History of neurological complications due to polio virus infection
24. History of agammaglobulinemia
25. Concurrent participation in a separate interventional clinical trial during this study.
26. Any underlying medical condition for which, in the opinion of the investigator, participation would not be in the best interest of the participant (e.g., compromises the participant's well-being) or that could prevent, limit, or confound protocol-specified assessments

Contacts and Locations

Contacts

Contact: Istari Clinical; 919-245-7662; InfoLUMINOS-102@IstariOncology.com

Locations

United States, Arizona

HonorHealth Research Institute; Recruiting

Scottsdale, Arizona, United States, 85258

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, Florida

Orlando Health U7 Health Cancer Center; Recruiting

Orlando, Florida, United States, 32806

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, Illinois

Rush University Medical Center; Recruiting

Chicago, Illinois, United States, 60612

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

Cancer Treatment Centers of America; Recruiting

Zion, Illinois, United States, 60099

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, Massachusetts

Massachusetts General Hospital; Recruiting

Boston, Massachusetts, United States, 02114

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, Michigan

Henry Ford Health System; Recruiting

Detroit, Michigan, United States, 48208

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, New Jersey

Hackensack University Medical Center; Recruiting

Hackensack, New Jersey, United States, 07601

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, Pennsylvania

University of Pittsburgh Hillman Cancer Center; Recruiting

Pittsburgh, Pennsylvania, United States, 15213

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, Tennessee

Vanderbilt University Medical Center; Recruiting

Nashville, Tennessee, United States, 37232

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, Texas

Texas Oncology -Baylor Charles A. Sammons Cancer Center; Recruiting

Dallas, Texas, United States, 75246

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, Virginia

Virginia Commonwealth University; Recruiting

Richmond, Virginia, United States, 23298

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

United States, West Virginia

West Virginia University Medical Center; Recruiting

Morgantown, West Virginia, United States, 26506

Contact: Istari Clinical InfoLUMINOS-102@IstariOncology.com

Sponsors and Collaborators

Istari Oncology, Inc.

More Information

• Responsible Party: Istari Oncology, Inc.
• ClinicalTrials.gov Identifier: NCT04577807
• Other Study ID Numbers: LUMINOS-102
• First Posted: October 8, 2020
• Last Update Posted: December 13, 2022
• Last Verified: December 2022

• Studies a U.S. FDA-regulated Drug Product: Yes
• Studies a U.S. FDA-regulated Device Product: No

Additional relevant MeSH terms:

Melanoma; Neuroendocrine Tumors; Neuroectodermal Tumors; Neoplasms, Germ Cell and Embryonal; Neoplasms by Histologic Type; Neoplasms; Neoplasms, Nerve Tissue; Nevi and Melanomas