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Completed

NCT Number: NCT04174716

Basket Trial of IDX-1197, a PARP Inhibitor, in Patients With HRR Mutated Solid Tumors (VASTUS)

This study is a Phase 1b/2a basket trial to assess safety and efficacy of IDX-1197 in patients with HRR mutation.

There are two parts to this study: Phase 1b, IDX-1197 dose-selection study to determine RP2D and Phase 2a, non-randomized parallel dose expansion study to confirm RP2D.

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Key information

Age range

19 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1 / Phase 2

Primary location

National Cancer Centre, Goyang, Gyeongggi-do, South Korea

Loading trial locations.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Histologically confirmed cancers that have HRR mutation and are failed to standard therapy or for which standard or curative therapy does not exist or is not considered appropriate by the Investigator.
  • Measurable disease according to RECIST, v1.1.
  • Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0-2
  • Must have recovered from all side effects of their most recent systemic or local treatment (<CTCAE grade 3)
  • Life expectancy greater than 12weeks

Exclusion criteria

  • Prior treatment with PARP inhibitors
  • Symptomatic CNS metastases
  • History of or known carcinomatous meningitis
  • Concurrent administration of any anti-cancer therapies other than those administered in this study
  • Pregnant or lactating women
  • Refractory nausea and vomiting, malabsorption, total gastrectomy, external biliary shunt or significant bowel resection that would preclude adequate absorption.
  • Uncontrolled medical illness (such as infection requiring treatment with intravenous antibiotics)
  • Severe or unstable angina, myocardial infarction or ischemia requiring coronary artery bypass graft or stent within the previous 6 months, symptomatic congestive heart failure, arterial or venous thromboembolic events (e.g., pulmonary embolism, cerebrovascular accident including transient ischemic attacks), or clinically significant ventricular arrhythmias within 6 months prior to enrollment or New York Heart Association (NYHA) Class II to IV heart disease.
  • Immunocompromised patients, e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV)
  • Known hypersensitivity to IDX-1197 or any of the excipients of the product

Treatment and study plan

IDX-1197

Drug

Until progression or unacceptable toxicity develops

Primary outcomes

  1. objective response rate (ORR)

    Time frame: Up to 24 weeks

    Confirmed objective response rate (ORR) determined by the Investigator using Response Evaluation Criteria In Solid Tumors, Version 1.1 (RECIST, v1.1).

Sponsors and collaborators

Lead sponsor

Idience Co., Ltd.

Industry

Registry information

Official study title

An Open-label, Multi-center, Phase 1b/2a Basket Trial of IDX-1197 in Patients With Homologous Recombination Repair Mutated Solid Tumors

Acronym: VASTUS

Important dates

Study start
2019
Primary completion
2023
Study completion
2024
First posted
Nov 22, 2019
Registry last updated
Apr 17, 2026

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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