- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01191775
A Study of PNT2258 in Patients With Advanced Solid Tumors
April 18, 2023 updated by: Sierra Oncology, Inc.
A Phase 1 Study of PNT2258 in Patients With Advanced Solid Tumors
This study is sponsored by Sierra Oncology, Inc. formerly ProNAi Therapeutics, Inc.
The purpose of this research study is to evaluate the safety of the investigational drug PNT2258 in patients with advance tumors and see how it acts in the body.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
This study is an open-label, single-arm, Phase 1 dose-escalation study of PNT2258 in patients with advanced solid tumors for which no standard therapy exists.
Patients will receive PNT2258 as an intravenous infusion once daily for 5 consecutive days (Days 1-5) of every 21-day cycle (3 weeks).
At first, patients will be treated in single patient cohorts following an accelerated titration design and evaluated for toxicities.
After the accelerated portion ends, patients will be treated in cohorts of at least 3 patients at each dose level and evaluated for treatment-related toxicities.
Study Type
Interventional
Enrollment (Actual)
22
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Texas
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San Antonio, Texas, United States, 78229
- South Texas Accelerated Research Therapeutics (START)
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Histologically confirmed, malignant solid tumor (measurable or non-measurable disease) and cannot be a candidate for known regimens or protocol treatments of higher efficacy or priority.
- Recovered to Grade 1 from all acute toxicities of prior therapies, except for residual toxicities, such as alopecia, which do not pose an ongoing medical risk.
- ECOG performance status of 0, 1, or 2.
- At least 18 years of age.
Patients must have normal organ and marrow function as defined by:
- Absolute neutrophil count 1,500/µL
- Platelets 100,000/µL
- Total bilirubin within normal institutional limits
- AST(SGOT)/ALT(SGPT) 2.5 x institutional upper limit of normal (ULN) or 5.0 x ULN in patients with liver metastases
- Serum creatinine 1.5 x ULN or measured creatinine clearance of 60 mL/min/1.73 m2.
- Negative serum pregnancy test at the time of enrollment for women of child-bearing potential. For men and women of child-producing potential, use of effective contraceptive methods is required during the study.
- Ability to understand the requirements of the study. Must provide written informed consent and authorization of use and disclosure of protected health information. Must agree to abide by the study restrictions and to return for the required assessments.
Exclusion Criteria:
- Received previous anticancer chemotherapy, immunotherapy, radiotherapy or any other investigational therapy in the 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to study entry.
- Receiving any other investigational agents.
- Known brain metastases with the exception of patients with a history of treated brain metastases who are stable for at least 3 months off glucocorticoids and seizure medications.
- Prolongation of QT/QTc interval > 450 milliseconds (ms).
- Known HIV, HBV, or HCV infection.
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to PNT2258.
- History of allergic reaction to egg or chicken antigens.
- Pregnant or nursing women.
- Uncontrolled intercurrent illness including, but not limited to ongoing or serious active infection, symptomatic congestive heart failure, unstable angina pectoris, serious cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: PNT2258
PNT2258 is composed of PNT100, a 24-mer oligonucleotide, the active drug substance encapsulated in a liposome.
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Patients will receive PNT2258 as an intravenous infusion once daily for 5 consecutive days (Days 1-5) of every 21-day cycle (3 weeks).
The treatment cycle repeats every 3 weeks for up to 6 cycles in the absence of disease progression, unacceptable toxicity, or patient withdrawal from the study.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To determine the safety of PNT2258 in patients with advanced solid tumors
Time Frame: Ongoing
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Safety and tolerability of PNT2258 and the determination of dose-limiting toxicities (DLTs) and the recommended Phase 2 dose
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Ongoing
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Pharmacokinetic profile of PNT2258
Time Frame: Ongoing
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Ongoing
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Anthony W Tolcher, MD, FRCP(C), South Texas Accelerated Research Therapeutics (START)
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Helpful Links
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
August 1, 2010
Primary Completion (Actual)
April 1, 2012
Study Completion (Actual)
April 1, 2012
Study Registration Dates
First Submitted
August 27, 2010
First Submitted That Met QC Criteria
August 27, 2010
First Posted (Estimate)
August 31, 2010
Study Record Updates
Last Update Posted (Actual)
April 19, 2023
Last Update Submitted That Met QC Criteria
April 18, 2023
Last Verified
January 1, 2017
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Urogenital Neoplasms
- Neoplasms by Site
- Genital Neoplasms, Male
- Prostatic Diseases
- Neuroectodermal Tumors
- Neoplasms, Germ Cell and Embryonal
- Neoplasms, Nerve Tissue
- Neuroendocrine Tumors
- Nevi and Melanomas
- Lymphoma
- Prostatic Neoplasms
- Melanoma
Other Study ID Numbers
- P06-10091 (PNT2258-01)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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