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Spots Global Cancer Trial Database for A Single Arm, Phase Ib/II Trial of Single Agent Pacritinib in Patients With 1q21.3 Amplified Solid Tumors Enriching for Interleukin-1 Receptor-associated Kinase 1 Pathway Activation (PAIR)

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Trial Identification

Brief Title: A Single Arm, Phase Ib/II Trial of Single Agent Pacritinib in Patients With 1q21.3 Amplified Solid Tumors Enriching for Interleukin-1 Receptor-associated Kinase 1 Pathway Activation (PAIR)

Official Title: A Single Arm, Phase Ib/II Trial of Single Agent Pacritinib in Patients With 1q21.3 Amplified Solid Tumors Enriching for Interleukin-1 Receptor-associated Kinase 1 (IRAK1) Pathway Activation (PAIR)

Study ID: NCT04520269

Conditions

Breast Cancer

Interventions

Pacritinib

Study Description

Brief Summary: This is a single arm, open-label, lead in phase Ib dose confirmation, followed by phase II study with 2 parallel study cohorts. Patients will be pre-screened for presence of 1q21.3 copy number amplification in plasma samples prior to screening process. Only patients with confirmed plasma cell-free DNA (cfDNA) 1q21.3 copy number amplification who successfully meet study eligibility criteria will be enrolled. The phase Ib segment will be carried out in a standard 3+3 design, with a projected enrolment of 3 to 18 patients to determine the RP2D. In the phase II portion, 2 parallel cohorts will be enrolled (Cohort A: 1q21.3 amplified breast cancers, Cohort B: 1q21.3 amplified other solid tumors). Based on the Simon 2 stage optimal design, 12 patients will be enrolled in each cohort for stage I of the study, and assessed for PFS. If at least 3 of 12 patients meet study response criteria, the study will then be expanded to stage 2 to include a total of 25 patients in each cohort. Accounting for 10% attrition rate, a maximum of 28 patients will be enrolled into each cohort for phase II of the study.

Detailed Description: 2.1. Hypothesis * Single agent pacritinib is effective in disease control of patients with 1q21.3 amplified solid tumors * Single agent pacritinib is safe in patients with 1q21.3 amplified solid tumors * Treatment with pacritinib will decrease plasma cfDNA copy number ratio of 1q21.3 in patients with 1q21.3 amplified solid tumors * Plasma cfDNA copy number ratio of 1q21.3 will correlate with serial radiological findings in patients with 1q21.3 amplified solid tumors 2.2. Primary Objectives • To determine the proportion of patients with 1q21.3 amplified breast cancer (primary population: Cohort A) who remain progression-free at 4 months after treatment with pacritinib 2.3. Secondary Objectives * To determine the safety and tolerability of pacritinib in patients with treatment refractory solid tumors * To determine the RP2D of pacritinib in patients with treatment refractory solid tumors * To evaluate disease response from pacritinib by RECIST criteria version 1.1 and tumor markers * To determine the proportion of patients with 1q21.3 amplified treatment refractory solid tumors excluding (exploratory population: Cohort B) who remain progression-free at 4 months after treatment with pacritinib 2.4. Exploratory Objectives * To determine pharmacokinetic (PK) parameters including Cmax/min and steady state concentrations of pacritinib through serial plasma sampling * To determine pharmacodynamics (PD) parameters including highly sensitive C-reactive protein (CRP), HbA1c, changes in cytokine levels and plasma cfDNA levels of copy number ratio of 1q21.3 * Correlation of plasma cfDNA levels of copy number ratio of 1q21.3 with radiological findings determined by RECIST criteria 1.1 and tumor markers

Eligibility

Minimum Age: 21 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

National University Hospital, Singapore, , Singapore

Contact Details

Name: Joline Si Jing Lim

Affiliation: National University Hospital, Singapore

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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