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Study of Cryoablation for Metastatic Lung Tumors (SOLSTICE)

Boston Scientific logo

Boston Scientific

Status

Completed

Conditions

Neoplasm Metastasis

Treatments

Device: Cryoablation

Study type

Interventional

Funder types

Industry

Identifiers

NCT01957787
CUC13-LNG079

Details and patient eligibility

About

The purpose of this study is to evaluate the safety and efficacy of cryoablation therapy used to treat tumors in participants with pulmonary metastatic disease. This study is to enroll participants who will undergo cryoablation of at least 1 metastatic pulmonary tumor that is less than or equal to 3.5 centimeter (cm). Participants will be followed 24 months post their cryoablation procedure.

Full description

Treatment for pulmonary metastatic disease may include surgery, chemotherapy, radiation therapy, or a combination of treatments. However, several variables may exclude participants from these treatments such as multiple tumors, multiple previous surgeries, pulmonary dysfunction, or co-morbid medical conditions. For these participants, percutaneous cryoablation may be a suitable option.

Ablation of metastatic lung tumors is a rapidly expanding area within interventional oncology. Cryotherapy, radiofrequency, laser, and microwave have all been shown to be effective. Cryotherapy offers a wide range of anatomic and tumor treatment options because of the ability to visualize the ice under imaging guidance and the preservation of collagenous tissue structure. Cryoablation has been extensively performed in the prostate and kidney with favorable outcomes reported in the literature. More recently, cryoablation has been shown to be safe in the treatment of lung tumors with CT guidance.

Enrollment

131 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Participant must be at least 18 years old.
  • Participant has signed a written informed consent.
  • Participant presents with Stage 4 pulmonary metastatic disease with metastatic disease previously confirmed by prior biopsy; or Participant presents with Stage 4 pulmonary metastatic disease previously confirmed on imaging (for example, computerized tomography or CT) with histology proven primary cancer.
  • Participant has up to 6 local pulmonary metastases targetable by cryoablation.
  • Targeted index tumor(s) defined as intra pulmonary or pleural with a maximum size of 3.5 cm, measured in the longest cross-sectional dimension.
  • The target index tumor(s) is determined (by CT images) to be in a location where cryoablation is technically achievable based on the proximity of adjacent organs/ structures and is greater than 0.5 cm from any critical organ/structure (possibly achieved with additional maneuvers such as iatrogenic pneumothorax or hydrodissection).
  • Karnofsky Performance Scale (KPS) score greater than or equal to 60.
  • Platelet count greater than 50,000/millimeters (mm)^3 within 8 weeks prior to initial cryoablation procedure.
  • International Normalized Ratio (INR) less than 1.5 within 8 weeks prior to initial cryoablation procedure.
  • Participant has a life expectancy of greater than 3 months.

Exclusion criteria

  • Participant's index tumor(s) is primary lung cancer.
  • Participant has uncontrollable primary or metastatic disease outside of the lung.
  • Participant is unable to lie flat or has respiratory distress at rest.
  • Participant has a coagulopathy or bleeding disorder which is uncontrolled.
  • Absolute Neutrophil Count (ANC) <1000 within 8 weeks prior to initial cryoablation procedure.
  • Participant has evidence of active systemic, pulmonary, or pericardial infection.
  • Participant has a debilitating medical or psychiatric illness that would preclude giving informed consent or receiving optimal treatment or follow up.
  • Participant is currently participating in other experimental studies that could affect the primary endpoint (for example, experimental chemotherapy regimen).

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

131 participants in 1 patient group

Cryoablation
Experimental group
Description:
Participants will undergo a cryoablation procedure with the Galil Medical Cryoablation System according to the manufacturer's guidelines. Participant preparation, anesthesia, intra-operative monitoring, and postoperative management for the study cryoablation procedure will be identical to those for standard cryoablation treatment routinely performed at the clinical centers that participated in this study and will be at the discretion of the Investigators. Tumors in both lungs are to be treated at an appropriate interval, determined on an individual basis. Treatment of bilateral index tumors in a single treatment session will not be performed. All participants will receive cryoablation of up to 6 metastatic lung tumors. Treatment of all study index tumors are to be completed within an 8-week window.
Treatment:
Device: Cryoablation

Trial documents
2

Trial contacts and locations

10

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Data sourced from clinicaltrials.gov

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