Intrahepatic Delivery of SD-101 by Pressure-Enabled Regional Immuno-oncology (PERIO), With Checkpoint Blockade in Adults With Metastatic Uveal Melanoma

  • End date
    Jan 14, 2025
  • participants needed
  • sponsor
    TriSalus Life Sciences, Inc.
Updated on 14 May 2022


This study is an open-label, phase 1/1b study of the pressure-enabled hepatic artery infusion of SD-101, a TLR 9 agonist, alone or in combination with intravenous checkpoint blockade in adults with metastatic uveal melanoma.


In the Sentinel Cohort, patients will receive 2 SD-101 infusions (2 weeks apart) with assessments for toxicity prior to escalating from the first dose level (0.5 mg) to the second dose level (2 mg). In the absence of dose-limiting toxicities (DLTs), each patient will be eligible to transition into Cohort A.

In Cohorts A-C and Phase 1b, patients will receive 2 cycles of SD-101. Each cycle consists of 3 consecutive weekly infusions. Escalating doses of SD-101 will be administered alone (Cohort A), together with nivolumab (Cohort B), and together with combined ipilimumab and nivolumab (Cohort C). Cohort B will begin dosing at the minimum anticipated biological effect level (MABEL(2mg SD-101)). Cohort C will begin one dose level below the MTD or optimal dose from Cohort B to optimize safety when adding CPI to SD-101.

Following determination of the recommended MTD or optimal dose of SD-101 for PEDD/HAI and which checkpoint inhibitor (CPI) regimen(s) are tolerated, the study will progress to Phase 1b. Patients in Phase 1b will receive the SD-101 dose selected from Phase 1 in the presence of systemic single- or double-agent checkpoint blockade. The choice of single- or double-agent CPI therapy together with SD-101 for Phase 1b will consider safety data in addition to response rates from Cohorts B and C in Phase 1.

Condition Metastatic Uveal Melanoma in the Liver
Treatment Ipilimumab, Nivolumab, SD-101
Clinical Study IdentifierNCT04935229
SponsorTriSalus Life Sciences, Inc.
Last Modified on14 May 2022


Yes No Not Sure

Inclusion Criteria

Male or female, age ≥18 years of age at screening
Able to understand the study and provide written informed consent prior to any study procedures
Has histologically or cytologically confirmed metastatic UM with liver-only or liver dominant disease. Liver-dominant disease will be defined as intrahepatic metastases representing the largest fraction of disease relative to other organs
Has not received prior cytotoxic chemotherapy, targeted therapy, or external radiation therapy within 14 days prior to screening
Has not received therapy with prior immunological checkpoint blockade within 21 days before the first dose of study intervention and has no ongoing immune-mediated AEs Grade 2 or higher
Has not ever received prior embolic HAI therapy with permanent embolic material Note: Previous embolic HAI therapy with permanent embolic material will not be exclusionary if following this therapy, the target vessels are not occluded and the liver segments containing target tumors are perfused based on the patient's screening CT/MRI
Prior surgical resection or radiofrequency ablation of oligometastatic liver disease is allowed on both the Phase 1 and Phase 1b portions of this study. Liver lesions that received ablative therapies should not be considered target lesions unless they have clearly progressed since the therapy
Has no prior history of or other concurrent malignancy unless the malignancy is clinically insignificant, no ongoing treatment is required, and the patient is clinically stable
Has adequate organ function at screening as evidenced by
Has measurable disease in the liver according to RECIST v.1.1 criteria
Has an ECOG PS of 0-1 at screening
Has a life expectancy of >3 months at screening as estimated by the investigator
Has a QTc interval ≤480 msec
All associated clinically significant (in the judgment of the investigator) drug-related toxicity from previous cancer therapy must be resolved (to Grade ≤1 or the patient's pretreatment level) prior to study treatment administration (Grade 2 alopecia and endocrinopathies controlled on replacement therapy are allowed)
Platelet count >100,000/μL
Hemoglobin ≥8.0 g/dL
White blood cell count (WBC) >2,000/μL
Serum creatinine ≤2.0 mg/dL unless the measured creatinine clearance is ≥30 mL/min calculated by Cockcroft-Gault formula
pregnancy test result at screening and a negative urine or serum pregnancy
Total and direct bilirubin ≤2.0 × the upper limit of normal (ULN) and alkaline phosphatase ≤5 × ULN. For patients with documented Gilbert's disease, total bilirubin up to 3.0 mg/dL is allowed
test prior to the first dose of study intervention
ALT and AST ≤5 × ULN
Prothrombin time/International Normalized Ratio (INR) or activated partial thromboplastin time (aPTT) test results at screening ≤1.5 × ULN (this applies only to patients who do not receive therapeutic anticoagulation; patients receiving therapeutic anticoagulation should be on a stable dose for at least 4 weeks prior to the first dose of study intervention) Note: Laboratory tests with exclusionary results judged by the investigator as not compatible with the patient's clinical status may be repeated once for eligibility purposes
Nonsterilized males who are sexually active with a female of childbearing potential must agree to use effective methods of contraception and avoid sperm donation from Day 1, throughout the study, and for 30 days after the final dose of study intervention
Females of childbearing potential must be nonpregnant and nonlactating, or
post-menopausal, and have a negative serum human chorionic gonadotropin (hCG)
Females of childbearing potential must agree to abstain from sexual activity with nonsterilized male partners, or if sexually active with a nonsterilized male partner must agree to use highly effective methods of contraception from screening, throughout the study and agree to continue using such precautions for 100 days after the final dose of study intervention

Exclusion Criteria

Phase 1 and Phase 1b
Has experienced a Grade 3 or higher immune-related AE from prior CPI therapy that has not recovered to Grade 1 for a minimum of 14 days prior to administration of SD-101 or CPI, or
Has received chemotherapy or an investigational agent within 14 days (or 5 half-lives, whichever is shorter) before screening
Has active, untreated brain metastasis
Has active coronavirus disease 2019 (COVID-19), other severe infection, including a
Active hepatitis B virus (HBV) or hepatitis C virus (HCV) infection
Has portal vein thrombosis, or severe portal hypertension as defined by a history of variceal hemorrhage or active ascites accumulation
Has more than 2/3 parenchymal replacement by tumor of both liver lobes
Has Child-Pugh Class B or C cirrhosis, or
Is unable to be temporarily removed from chronic anticoagulation therapy, or
Has a history of bleeding disorders
liver infection, within 2 weeks before the first dose of study drug, or
Has previously received SD-101
uncontrolled human immunodeficiency virus (HIV) infection at screening
Has had bacterial pneumonia within 8 weeks of first dose of study drug
Has active, known, or suspected autoimmune disease or immune-mediated disease. Type I diabetes mellitus, hypothyroidism only requiring hormone replacement, skin disorders (such as vitiligo, psoriasis or alopecia) not requiring systemic treatment or conditions not expected to recur in the absences of an external trigger are not exclusionary
Is receiving systemic steroid therapy >10 mg of prednisone daily or equivalent or any other immunosuppressive medication at any dose level. Local steroid therapies (e.g., otic, ophthalmic, intra-articular or inhaled medications) are acceptable
Has significant concurrent or intercurrent illness, psychiatric disorder, or alcohol or chemical dependence that would, in the opinion of the Investigator and/or Medical Monitor, compromise their safety or compliance or interfere with interpretation of the study
Lactating women are excluded from study participation
Medical history of significant hypersensitivity, severe and unresolved immune-mediated reactions, severe infusion-related reactions, or allergic reaction to TLR9 agonists or CPI agents in the judgment of the investigator
Patients who were enrolled in the Phase 1 portion of the study will not be eligible for enrollment in Phase 1b
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