Instylla HES Hypervascular Tumor Pivotal Study

I

Instylla

Status

Active, not recruiting

Conditions

Hypervascular Tumors

Treatments

Other: TAE or cTACE
Device: Instylla HES

Study type

Interventional

Funder types

Industry

Identifiers

NCT04523350
INY-P-20-001

Details and patient eligibility

About

To determine whether Instylla HES has the ability to effectively embolize targeted arterial segments of hypervascular tumors as well as (i.e., is non-inferior to) standard of care (SOC) transarterial embolization/conventional transarterial chemoembolization, while resulting in an acceptable risk of device and procedure-related serious adverse events.

Enrollment

150 estimated patients

Sex

All

Ages

22+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Male or female subjects age ≥ 22 years old

  2. Subjects with confirmed finding of hypervascular tumor on CT and/or MRI for whom TAE or cTACE is medically indicated, including but not limited to:

    1. Subjects with unresectable primary or metastatic hepatic cancer
    2. Subjects with primary, metastatic or benign renal tumors
    3. Subjects with bone metastases
    4. Subjects with adrenal tumors
    5. Subjects with other hypervascular tumors
  3. Subjects with at least one target lesion that is well-delineated such that, in the Investigator's opinion, the lesion can be measured in at least one dimension as 1 cm or more, suitable for remeasurement, and demonstrating definitive arterial enhancement (Note: Pre-operative tumors do not need to meet this criterion.)

  4. Subjects with at least one target vessel ≤ 5mm and Instylla HES can be delivered to the target vessel(s).

  5. Eastern Cooperative Oncology Group Performance Status (ECOG PS) of 0-2 (PS 0-1 for metastatic disease)

  6. Subject or authorized representative have been informed of the nature of the study and has provided written informed consent approved by the appropriate local Ethics Committee/Institutional Review Board and agrees to comply with all protocol specified follow-up appointments.

  7. Expected life expectancy ≥ 6 months after Index embolization

Exclusion criteria

  1. Embolization for lesions other than hypervascular tumors such as arteriovenous malformations.
  2. It is anticipated that not all target vessels requiring embolization during the index procedure can be embolized with either HES alone or the SOC embolization agent as assigned.
  3. Undergoing radioembolization or DEB-TACE for Index Procedure
  4. Undergoing a planned secondary procedure the same day as the Index Procedure
  5. Requires TAE/cTACE for liver tumors via extrahepatic collateral artery(ies)
  6. Prior radioembolization of the target tumor lesion/vascular bed within 30 days of the Index Procedure.
  7. For subjects with HCC or undergoing embolization to the liver: Child-Pugh Class C or presence of complete portal vein thrombosis.
  8. Tumor lesions > 8 cm in diameter (in one direction) or >50% tumor volume burden of the target organ
  9. If subject was treated with Avastin, last dose is within 4 weeks of the planned procedure.
  10. Known severe atheromatosis or vascular anatomy that precludes catheterization
  11. Presence of bilioenteric anastomoses and/or prior biliary stenting/drainage or any violation of the biliary sphincter, including sphincterotomy for embolization of liver tumors
  12. Target lesion supplied by the pulmonary artery, coronary artery, or cerebral or cerebellar artery (requiring embolization of these arteries) or the artery to be embolized has connections to these arteries via a collateral pathway
  13. Known allergies (based on history) to PEG, ferrous compounds, tert Butyl Hydroperoxide, contrast media or procedural sedatives/anesthetics that is not amenable to pre-medication
  14. Uncorrectable impaired clotting: Platelet count <30,000/µL or International Normalized Ratio (INR) > 1.5
  15. Serum creatinine > 2 mg/dL
  16. Serum bilirubin level > 3 mg/dL
  17. Serum albumin < 2.5 g/dL
  18. Any contraindication to angiography or embolization protocol utilized at treating institution.
  19. Pregnant or breast-feeding or females planning on becoming pregnant with the next 3 months (women of child-bearing potential must undergo a pregnancy test performed in accordance with local institutional requirements).
  20. Other concurrent conditions including an ongoing adverse effect or complication of prior therapy or adverse drug reactions, that in the opinion of the Investigator or Clinical Events Committee, would be unlikely to receive clinical benefit from the study procedure or participation in the study may compromise subject safety or study objectives (including but not limited to ongoing acute infection, renal dysfunction, morbid obesity, severe cardiac disease).
  21. Enrollment in a concurrent study in which the study treatment may confound the evaluation of the study device

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

150 participants in 2 patient groups

Instylla HES
Experimental group
Treatment:
Device: Instylla HES
Control
Active Comparator group
Description:
TAE or cTACE
Treatment:
Other: TAE or cTACE

Trial contacts and locations

15

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Central trial contact

Clinical Operations; Nicole Rissman

Data sourced from clinicaltrials.gov

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