A Dose Escalation and Confirmation Study of PT-112 in Advanced Solid Tumors in Combination With Avelumab (PAVE-1)

Promontory Therapeutics

Status and phase: Completed; Phase 2; Phase 1

Conditions: Non-Small Cell Lung Cancer (NSCLC)

Treatments: Drug: PT-112; Biological: avelumab

Study type: Interventional

Funder types: Industry

Identifiers

NCT03409458

PT-112-103-PAVE-1

Details and patient eligibility

About

This is a Phase 1/2, open-label, multi-center, non-randomized, dose-escalation study of PT-112 in combination with the anti-PD-L1 antibody, avelumab, in selected advanced solid tumors.

The study is to be conducted in two parts: the Dose Escalation Phase of PT-112 within the combination and the Dose Confirmation Phase in patients with non-small cell lung cancer who will be treated at the RP2D.

Full description

This is a Phase 1/2, open-label, multi-center, non-randomized, dose-escalation study of PT-112 in combination with the anti-PD-L1 antibody, avelumab, in selected advanced solid tumors. The study is to be conducted in two parts: the Dose Escalation Phase and the Dose Confirmation Phase.

Enrollment for dose escalation and dose confirmation is complete.

Enrollment: 68 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion and exclusion criteria

Key Inclusion Criteria:

1. Histologically or cytologically confirmed metastatic or locally advanced, squamous or non-squamous NSCLC (NSCLC). Patients must have received no more than four prior lines of therapy, including a PD-1 / PD-L1-containing therapy and a platinum containing regimen. Patients must have received no more than one taxane containing regimen and no more than one investigational agent;
2. Must provide study-related tumor specimens;
3. ECOG(PS) 0-1;
4. Estimated Life Expectancy > 3 months;
5. Adequate bone marrow (BM), renal, hepatic and metabolic function.

Key Exclusion Criteria:

1. Concurrent cancer treatment with cytoreductive therapy, radiotherapy, cytokine therapy, cytotoxic agents, targeted small molecule therapy or any investigational anticancer small molecule drugs within 2 weeks prior to the start of study treatment (except 5 weeks from last dose of nitrosourea compound) OR treatment with monoclonal antibodies within 4 weeks prior to the start of study treatment;
2. Known symptomatic central nervous system (CNS) metastases requiring steroids.
3. Diagnosis of any other malignancy within 2 years prior to enrollment;
4. Vaccination within 4 weeks of the first dose of study treatment is prohibited except for administration of inactivated vaccines;
5. Current use of immunosuppressive medication at study entry;
6. Active or prior autoimmune disease that might deteriorate with receiving an immunostimulatory agent;
7. Acute or chronic infections requiring systemic therapy;
8. Known history of autoimmune colitis, inflammatory bowel disease, pneumonitis, pulmonary fibrosis;
9. Known intolerance to checkpoint inhibitor therapy, defined by the occurrence of an AE leading to drug discontinuation;
10. Participation in other studies involving investigational drug(s) within 28 days prior to study entry and/or during study participation.

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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68 participants in 1 patient group

PT-112 in combination with avelumab

Experimental group

Description:

PT-112, administered by intravenous infusion avelumab, administered by intravenous infusion Patients with all listed conditions are eligible for treatment during the dose escalation phase of the study. Patients with NSCLC are eligible for the dose confirmation phase of the study.

Treatment:

Biological: avelumab

Drug: PT-112