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NCT Number: NCT06046495

A Study of the Oral EGFR Inhibitor PLB1004 in Non-Small Cell Lung Cancer

This is a Phase I, multicenter, open-label, dose escalation and dose expansion study to assess the safety and pharmacokinetic profile of PLB1004, a mono-anilino-pyrimidine compound, given alone in NSCLC patients with EGFR exon 20 insertion mutations,uncommon mutations, classical mutations (Ex19del and L858R), and drug-resistant mutation (T790M). Patients will be enrolled and dosed according to the most current protocol. This study is made of two Parts. Part 1 includes a dose escalation into 7 cohorts and patient allocation to these cohorts will be via slot allocation. Each cohort has a minimum of 3 and a maximum of 6 patients for a total of 21 - 42 patients. The patient population of the dose escalation phase will include patients with advanced NSCLC harboring EGFR classical mutations or Ex20ins mutations, or uncommon mutations. Part 2 includes an expansion phase and the expansion phase will explore one or more dose levels of PLB1004 in NSCLC patients with EGFR Ex20ins mutations, classical mutations, or uncommon mutations.

Recruiting

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

University of California-Davis, Sacramento, California, United States

Loading trial locations.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Ability to understand and willingness to sign a written informed consent document;
  • Male or female adult patients 18 years of age or older;
  • Patients should have recovered from toxicities related to prior anti-tumor therapy;
  • Patients should have recovered from the effects of major surgery;
  • Have a documented EGFR mutation by a local test in tissue or plasma;
  • At least 12 weeks life expectancy;
  • Must have at least one measurable lesion per RECIST v 1.1;
  • Sexually active males and females of childbearing potential must agree to take effective contraceptive measures.

Exclusion criteria

  • Received radiotherapy within 14 days before enrollment;
  • Have significant or uncontrolled systemic disease;
  • Have significant or uncontrolled cardiovascular disease;
  • Have had other diagnosed malignant diseases that required treatment within the past 3 years besides NSCLC;
  • Currently have or had a history of interstitial lung disease, drug-induced interstitial lung disease, or radiation pneumonia that requires steroid therapy;
  • Have known hypersensitivity to the similar drugs and excipients of PLB1004;
  • Pregnant or lactating women;
  • Have used other experimental drugs within 2 weeks prior to the first dose of PLB1004;
  • Have any condition or illness that could affect the compliance with the protocol.

Treatment and study plan

PLB1004

Drug

PLB1004 will be orally self-administered by the patient as a mono-therapy.

Primary outcomes

  1. Safety profile of PLB1004 per CTCAE v5.0

    Time frame: Up to 2 years

Secondary outcomes

  1. To define the DLTs and MTD

    Time frame: Up to 3 years

  2. Area Under the Curve (AUC) of PLB1004

    Time frame: Approximately 28 days.

  3. Maximum plasma concentration (Cmax) of PLB1004

    Time frame: Approximately 28 days.

  4. Time to maximum plasma concentration (Tmax) of PLB1004

    Time frame: Approximately 28 days.

  5. Overall Response Rate (ORR)

    Time frame: Up to 3 years

  6. Progression-Free Survival (PFS)

    Time frame: Up to 3 years

  7. Overall Survival (OS)

    Time frame: Up to 3 years

  8. Disease Control Rate (DCR)

    Time frame: Up to 3 years

  9. Duration of Response (DOR)

    Time frame: Up to 3 years

  10. Change from baseline in corrected QT interval (QTc) using Fridericia formula (QTcF)

    Time frame: Up to 3 years

Study contacts

Contact information is provided by the study sponsor or research team.

Avistone Clinical Study Information Center Center

CONTACT

[email protected]

+86-10-84148921

Sponsors and collaborators

Lead sponsor

Avistone Biotechnology Co., Ltd.

Industry

Registry information

Official study title

A Phase I Open-label, Multi-dose, Dose Escalation and Dose Expansion Study of the Oral EGFR Inhibitor PLB1004 in Non-Small Cell Lung Cancer

Important dates

Study start
2024
Primary completion
2028
Study completion
2028
First posted
Sep 21, 2023
Registry last updated
Apr 23, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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