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CompletedNCT04619472BRONC-RFⅡUpdated Dec 22, 2023

Safety and Effectiveness of Radiofrequency Ablation System in the Treatment of Peripheral Lung Tumors

An interventional study of Pulmonary Radiofrequency Ablation System and the Disposable Pulmonary Radiofrequency Ablation Catheter in Lung Neoplasms and Pulmonary Metastasis, sponsored by Hangzhou Broncus Medical Co., Ltd.. Completed at 3 sites in China. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2023-12-22.

Sponsored by Hangzhou Broncus Medical Co., Ltd. · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
126
Allocation
Not applicable
Ages
18 Years and older
Sex
All
01

Study summary

It is a multicenter, single group target value clinical trial to evaluate the safety and effectiveness of radiofrequency ablation for peripheral lung tumors under the conjunction of the pulmonary radiofrequency ablation system with the disposable pulmonary radiofrequency ablation catheter developed by Hangzhou Broncus Medical Co., Ltd.

Read the detailed description

The subjects will first undergo interventional bronchoscopy to reach the target lesion through the bronchial pathway. Then the lung lesions will be treated with radiofrequency ablation using the pulmonary radiofrequency ablation system and the disposable pulmonary radiofrequency ablation catheter. During the study, eligible subjects will be followed up intraoperatively, 24 hours after operation, before discharge/ 7 days after operation (whichever occurs first), 30 days (±7 days) after operation, 3 months (±7 days) after operation, 6 months (±15 days) after operation, 9 months (±15 days) after operation, and 12 months (±15 days) after operation.

02

Conditions studied

  • Lung Neoplasms
  • Pulmonary Metastasis

Keywords

  • Lung Neoplasms
  • Radiofrequency ablation
  • Pulmonary Metastasis
  • Primary Pulmonary Neoplasms
03

Who can participate

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

Inclusion criteria

  1. Age ≥ 18 years old;
  2. Planned ablated main lesions are pathologically confirmed and other planned ablated lesions are pathologically confirmed or clinical evaluated as primary NSCLC or pulmonary metastasis, and the primary lesions of lung metastasis subjects has been well controlled;
  3. Number of unilateral lung lesions: ≤ 3 (excepting for multiple primary lung cancers);
  4. Each lung lesion in size: ≤3 cm ;
  5. Subjects refuse surgery or are considered intolerant of surgery;
  6. Subjects refuse or are considered unsuitable for radiotherapy/chemotherapy, or are non-responders for previous radiotherapy/chemotherapy, or has disease progression after radiotherapy/chemotherapy;
  7. It is feasible to arrive at the target lesions through bronchus path and carry out ablation operations, assessed by investigators;
  8. Subjects whose Eastern oncology cooperative group (ECOG) physical state score: ≤3;
  9. Subjects agree to undergo radiofrequency ablation to treat pulmonary lesions.

Exclusion criteria

Exclusion Criteria:

  1. Subjects with severe bleeding tendency and irreversible clotting disorders; or subjects who have stopped anticoagulation therapy and/or antiplatelet drugs for less than 7 days before ablation;
  2. Subjects whose preoperative examination within 1 month shows intrathoracic lymph node or extra-pulmonary metastasis (except for extra-pulmonary metastasis controlled by local therapy);
  3. Planned ablated lesions have received radiotherapy within past 6 months;
  4. Subjects with high-risk disease for ablation operation;
  5. The nearest distance between the tumors and trachea, main bronchial tube, esophagus, aortic arch branch, main pulmonary artery, left and right pulmonary artery and the heart is less than 2cm;
  6. Subjects who have participated in the last 30 days or is participating in other clinical studies;
  7. Subjects who are pregnant or have pregnancy plan during the study;
  8. Subjects with bronchoscopy contraindications;
  9. Subjects with implantable cardiac pacemakers, implantable defibrillators, or other active implants;
  10. Subjects with general anesthesia contraindications;
  11. Subjects with other conditions that need to be excluded as determined by investigators.
04

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
126 participants (actual)

Study arms

  • Experimental
    Radiofrequency Ablation (RFA)

    The subjects will first undergo interventional bronchoscopy to reach the target lesion through the bronchial pathway. Then the lung lesions will be treated with radiofrequency ablation using the pulmonary radiofrequency ablation system and the disposable pulmonary radiofrequency ablation catheter.

    Device: Pulmonary Radiofrequency Ablation System and the Disposable Pulmonary Radiofrequency Ablation Catheter

Interventions

  • DevicePulmonary Radiofrequency Ablation System and the Disposable Pulmonary Radiofrequency Ablation Catheter

    The conjunction of the pulmonary RFA system with the disposable pulmonary RFA catheter developed by Hangzhou Broncus Medical Co., Ltd. is aim to specifically target lung tumors. The ablation catheter is designed to reach the tumor through the bronchial pathway.

05

What researchers measure

Primary outcomes

  1. Complete ablation rate of main lesions at 6 months

    Six months after the overall ablation procedure, the proportion that subjects whose main lesions maintain completely ablated account for all evaluable subjects who receive radiofrequency ablation.

    Time frame: Six months

Secondary outcomes

  1. Technical success rate (in terms of ablation operations)

    It is defined as the proportion that the ablation operations in which the test device is successfully placed at the target lesion and the device is successfully withdrawn after treatment procedure, account for all ablation operations.

    Time frame: Immediately after Each Operation

  2. Complete ablation rate at 6 months (in terms of ablation lesions)

    Six months after overall ablation procedure, the proportion that lesions completely ablated account for all evaluable lesions that receive radiofrequency ablation.

    Time frame: Six months

  3. Complete ablation rate at 6 months (in terms of subjects)

    Six months after overall ablation procedure, the proportion that subjects whose all ablation lesions maintain completely ablated account for all evaluable subjects who receive radiofrequency ablation.

    Time frame: Six months

  4. Intrapulmonary progression-free survival rate at 6 months

    Six months after overall ablation procedure, the proportion that subjects with no progression in the lung (the original ablation lesions maintain completely ablated, no metastasis of hilar lymph nodes, and no new lesions) account for all evaluable subjects who receive radiofrequency ablation.

    Time frame: Six months

  5. Complete ablation rate at 12 months (in terms of ablation lesions)

    Twelve months after the completion of the overall ablation, the proportion that lesions which maintain completely ablated account for all evaluable lesions that receive radiofrequency ablation.

    Time frame: Twelve months

  6. Complete ablation rate at 12 months (in terms of subjects)

    Twelve months after overall ablation procedure, the proportion that subjects whose all ablation lesions maintain completely ablated account for all evaluable subjects who receive radiofrequency ablation.

    Time frame: Twelve months

  7. Intrapulmonary progression-free survival rate at 1 year

    Twelve months after the completion of the overall ablation, the proportion that subjects with no progression in the lung (the original ablation lesions maintain completely ablated, no metastasis of hilar lymph nodes, and no new lesions) account for all evaluable subjects who receive radiofrequency ablation.

    Time frame: Twelve months

  8. Overall survival rate (OS) at 1 year

    It is defined as the proportion of surviving subjects at 1 year from enrollment.

    Time frame: Twelve months

  9. Quality of life (QoL)

    The QoL changes are evaluated according to the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORCT QLQ C30) assessment scale during the follow-up. The EORCT QLQ C30 incorporates five functional scales (physical, role, cognitive, emotional, and social), three symptom scales (fatigue, pain, and nausea and vomiting), a global health status / QoL scale, and a number of single items assessing additional symptoms commonly reported by cancer patients (dyspnoea, loss of appetite, insomnia, constipation and diarrhoea) and perceived financial impact of the disease.

    Time frame: Twelve months

  10. Safety

    All adverse events will be recorded during operation and during the follow-up, and be evaluated according to the CTCAE v5.0 (if applicable). Related and possible related AEs and SAEs will be determined and evaluated.

    Time frame: Twelve months

06

Study locations

3 sites
  • The First Hospital of Peking University
    Beijing, Beijing 100000, China
  • The First Affiliated Hospital of Guangzhou Medical University
    Guangzhou, Guangdong 510000, China
  • Shanghai Chest Hospital
    Shanghai, Shanghai 200000, China
07

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

08

Registry details

Key details

Study ID
NCT04619472
Lead sponsor
Hangzhou Broncus Medical Co., Ltd.
Responsible party
Sponsor
First posted
Nov 6, 2020
Start date
Jan 7, 2021
Primary completion
Oct 24, 2022
Completion
Mar 27, 2023
Last update
Dec 22, 2023

Study contacts

Shiyue Li, MD
principal investigator · The First Affiliated Hospital of Guangzhou Medical University

Oversight

FDA-regulated drug
No
FDA-regulated device
No
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