A Dose Escalation and Confirmation Study of PT-112 in Advanced Solid Tumors in Combination With Avelumab (NCT03409458)

01

Study summary

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.

Read the detailed 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.

02

Conditions studied

Non-Small Cell Lung Cancer (NSCLC)

Browse trials for

Carcinoma, Non-Small-Cell Lung 6,475

Keywords

Advanced Solid Tumors
NSCLC
Non-small cell lung cancer

03

Who can participate

Ages eligible: 18 Years and older
Sexes eligible: All
Accepts healthy volunteers: No

Eligibility criteria

Key Inclusion Criteria:

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;
Must provide study-related tumor specimens;
ECOG(PS) 0-1;
Estimated Life Expectancy > 3 months;
Adequate bone marrow (BM), renal, hepatic and metabolic function.

Key Exclusion Criteria:

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;
Known symptomatic central nervous system (CNS) metastases requiring steroids.
Diagnosis of any other malignancy within 2 years prior to enrollment;
Vaccination within 4 weeks of the first dose of study treatment is prohibited except for administration of inactivated vaccines;
Current use of immunosuppressive medication at study entry;
Active or prior autoimmune disease that might deteriorate with receiving an immunostimulatory agent;
Acute or chronic infections requiring systemic therapy;
Known history of autoimmune colitis, inflammatory bowel disease, pneumonitis, pulmonary fibrosis;
Known intolerance to checkpoint inhibitor therapy, defined by the occurrence of an AE leading to drug discontinuation;
Participation in other studies involving investigational drug(s) within 28 days prior to study entry and/or during study participation.

04

Study design

Phase: Phase 1 / Phase 2
Primary purpose: Treatment
Allocation: Not applicable
Intervention model: Single group
Masking: None (open label)
Enrollment: 68 participants (actual)

Study arms

Experimental
PT-112 in combination with avelumab
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.
Drug: PT-112 · Biological: avelumab

Interventions

DrugPT-112
The RP2D of PT-112 when used in combination with avelumab has been determined during dose escalation and is being confirmed in the NSCLC dose confirmation cohort. For the NSCLC confirmation cohort, PT-112 will be administered at a dose of 360 mg/m2 on Days 1, 8 and 15.
Biologicalavelumab
Avelumab will be administered at a fixed dose of 800 mg on Days 1 and 15.

05

What researchers measure

Primary outcomes

NSCLC Cohort: Evaluate best overall response rate (ORR) by tumor type according to Immune-Response Criteria (iRECIST) in metastatic or locally advanced, squamous or non-squamous NSCLC.
Time frame: 24 months

Secondary outcomes

NSCLC Cohort: Confirm the RP2D patients with metastatic or locally advanced, squamous or non-squamous NSCLC
Time frame: 24 months
NSCLC Cohort: Assess the safety profile of PT-112 in combination with avelumab
Time frame: 24 months
NSCLC Cohort: Evaluate disease control rate (CR, PR and SD lasting ≥6 months) overall and by tumor type based on iRECIST
Time frame: 24 months
NSCLC Cohort: Evaluate disease control rate (CR, PR and SD lasting ≥3 months) overall and by tumor type based on iRECIST
Time frame: 24 months
NSCLC Cohort: Evaluate median duration of response among responding patients
Time frame: 24 months
NSCLC Cohort: Evaluate median PFS
Time frame: 24 months
NSCLC Cohort: Evaluate PFS rate at 6 months from start of study drug, based on tumor assessments every 8 weeks based on iRECIST
Time frame: 24 months

06

Study locations

6 sites

Arizona
Phoenix, Arizona 85054, United States
Colorado
Aurora, Colorado 80045, United States
Florida
Jacksonville, Florida 32224, United States
Minnesota
Rochester, Minnesota 55905, United States
University of Texas MD Anderson Cancer Center
Houston, Texas 77030, United States
Lausanne
Lausanne, 1011, Switzerland

07

Registry details

Key details

Study ID: NCT03409458
Lead sponsor: Promontory Therapeutics Inc.
Collaborators: Pfizer, EMD Serono
Responsible party: Sponsor
First posted: Jan 24, 2018
Start date: Apr 24, 2018
Primary completion: Jun 1, 2022
Completion: Aug 31, 2022
Last update: Nov 18, 2023

Study contacts

Daniel D Karp, MD

principal investigator · M.D. Anderson Cancer Center

Oversight

Data monitoring committee: Yes
FDA-regulated drug: Yes
FDA-regulated device: No

View the source record on ClinicalTrials.gov ↗

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