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Brief Title: A Phase 1/2 Study of In Situ Vaccination With Tremelimumab and IV Durvalumab Plus PolyICLC in Subjects With Advanced, Measurable, Biopsy-accessible Cancers

A Phase 1/2 Study of In Situ Vaccination With Tremelimumab and IV Durvalumab (MEDI4736) Plus the Toll-like Receptor Agonist Poly-ICLC in Subjects With Advanced, Measurable, Biopsy-accessible Cancers

INTRODUCTION

  • Org Study ID: LUD2014-011
  • Secondary ID: N/A
  • NCT ID: NCT02643303
  • Sponsor: Ludwig Institute for Cancer Research

BRIEF SUMMARY

This is an open-label, multicenter, Phase 1/2 study of the CTLA-4 antibody, tremelimumab, and the PD-L1 antibody, durvalumab (MEDI4736), in combination with the tumor microenvironment (TME) modulator poly-ICLC, a TLR3 agonist, in subjects with advanced, measurable, biopsy-accessible cancers.

DETAILED DESCRIPTION

This is an open-label, multicenter, Phase 1/2 study of the cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) antibody, tremelimumab, and the programmed cell death ligand-1 (PD-L1) antibody, durvalumab (MEDI4736), in combination with the tumor microenvironment (TME) modulator poly-ICLC, a toll-like receptor 3 (TLR3) agonist, in subjects with advanced, measurable, biopsy-accessible cancers. Subjects will receive intratumoral and intramuscular (IM) administration of poly-ICLC and intravenous (IV) administration of durvalumab, together with either IV or intratumoral administration of tremelimumab. The study will be conducted in 2 phases.

Phase 1: There will be enrollment to 3 subject cohorts in Phase 1, with staggered initiation of enrollment.

* Cohort 1A: IV Durvalumab + Intratumoral/IM Poly-ICLC. After safety is demonstrated in the first 3-6 subjects in Cohort 1A, Cohorts 1B and 1C will open to enrollment.
* Cohort 1B: IV Durvalumab + IV Tremelimumab + Intratumoral/IM Poly-ICLC.
* Cohort 1C: IV Durvalumab + Intratumoral Tremelimumab + Intratumoral/IM Poly-ICLC.

Phase 2: Upon determination of the recommended combination dose in Cohort 1C, up to 66 evaluable subjects will be treated in Phase 2. Up to 6 subjects will be initially enrolled by tumor type (head and neck squamous cell carcinoma, locally recurrent or metastatic breast cancer, sarcoma, Merkel cell carcinoma, cutaneous T-cell lymphoma, melanoma after failure of available therapies, genitourinary cancers and solid tumors with accessible metastases). Subjects enrolled in Cohort 1C will be included in Phase 2 in the applicable tumor type. Data from all subjects in each Phase 2 tumor type will be reviewed for safety/efficacy to select up to 3 tumor types that demonstrate an efficacy signal, defined as at least 1 of 6 subjects within a tumor type who achieve a partial response (PR) or complete response (CR) by immune-related RECIST (irRECIST) or RECIST 1.1, or stable disease (SD) for at least 6 months. Up to 6 additional subjects in each of the selected tumor types may be enrolled in the expansion.

  • Overall Status
    Completed
  • Start Date
    December 28, 2016
  • Phase
    PHASE1, PHASE2
  • Study Type
    Interventional

PRIMARY OUTCOMES

Primary Outcome 1 - Measure:

Primary Outcome 1 - Timeframe: N/A

CONDITION

  • Head and Neck Squamous Cell Carcinoma
  • Breast Cancer
  • Sarcoma
  • Merkel Cell Carcinoma
  • Cutaneous T-Cell Lymphoma
  • Melanoma
  • Renal Cancer
  • Bladder Cancer
  • Prostate Cancer
  • Testicular Cancer
  • Solid Tumor

ELIGIBILITY

Inclusion Criteria:
1. Subjects must have histologic confirmation of advanced, biopsy-accessible, measurable cancers of the following histologies:
* Non-viral-associated head and neck squamous cell carcinoma (HNSCC) or human papillomavirus (HPV)-associated HNSCC after failure of prior therapy

- * Locally recurrent or metastatic breast cancer

- * Sarcoma

- * Merkel Cell Carcinoma (MCC)

- * Cutaneous T cell Lymphoma (CTCL)

- * Melanoma after failure of available therapies

- * Genitourinary (GU) cancers with accessible metastases (e.g., bladder, renal)

- * Any solid tumors with masses that are accessible

- 2. Subjects with measurable disease, must have at least 2 lesions (1 measurable lesion and 1 biopsy/injectable lesion, which does not need to be measurable).

- 3. Any number of prior systemic therapies.

- 4. Eastern Cooperative Oncology Group (ECOG) performance status 0-1.

- 5. Laboratory parameters for vital functions should be in the normal range or not clinically significant.
Exclusion Criteria:
1. Prior treatment with combination CTLA-4 and PD-1/PD-L1 blockade, with the exception of subjects with melanoma.

- 2. Participants may not have been treated intratumorally with poly-ICLC.

- 3. Subjects with history or evidence upon physical examination of central nervous system (CNS) disease, including primary brain tumor, seizures not controlled with standard medical therapy, any active brain metastases, or, within 6 months of the first date of treatment on this study, history of cerebrovascular accident (CVA, stroke), transient ischemic attack (TIA) or subarachnoid hemorrhage.

- 4. Active, suspected or prior documented autoimmune disease, clinically significant cardiovascular disease or clinically uncontrolled hypertension.

- 5. History of pneumonitis or interstitial lung disease or any unresolved immune-related adverse events following prior biological therapy.

- 6. Other malignancy within 2 years prior to entry into the study, except for those treated with surgical therapy only (e.g., localized low-grade cervical or prostate cancers).

- 7. Subjects with clinical symptoms or signs of gastrointestinal obstruction and/or who require drainage gastrostomy tube and/or parenteral hydration or nutrition.

- 8. Known immunodeficiency or HIV, Hepatitis B, or Hepatitis C positivity. Antibody to Hepatitis B or C without evidence of active infection may be allowed.

- 9. History of severe allergic reactions to any unknown allergens or any components of the study drugs.

- 10. Other serious illnesses (e.g., serious infections requiring antibiotics, bleeding disorders).

- 11. History of allogeneic organ transplant.

Gender: All

Minimum Age: 18 Years

Maximum Age: N/A

Healthy Volunteers: No

OFFICIAL INFORMATION

Name: Craig L Slingluff, Jr., MD, Nina Bhardwaj, MD, PhD

Role: Study Chair, Study Chair

Affiliation: University of Virginia, Tisch Cancer Institute Icahn School of Medicine at Mount Sinai

Overall Contact

Name: N/A

Phone: N/A

Email: N/A

LOCATION

Facility Status Contact

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