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A Study to Assess PV-10 Chemoablation of Cancer of the Liver

P

Provectus Biopharmaceuticals

Status and phase

Active, not recruiting
Phase 1

Conditions

Metastatic Ocular Melanoma
Metastatic Uveal Melanoma
Metastatic Colorectal Cancer
Metastatic Pancreatic Cancer
Metastatic Melanoma
Hepatocellular Carcinoma
Metastatic Breast Cancer
Metastatic Colon Cancer
Metastatic Lung Cancer
Cancer Metastatic to the Liver

Treatments

Drug: PV-10 (10% rose bengal disodium)

Study type

Interventional

Funder types

Industry

Identifiers

NCT00986661
PV-10-LC-01

Details and patient eligibility

About

This open-label study will evaluate the safety, tolerability, pharmacokinetics and effect on tumor growth following a single intralesional injection of PV-10 in subjects with either (a) hepatocellular carcinoma (HCC) that is not amenable to resection, transplant or other potentially curative therapy or (b) cancer metastatic to the liver.

Full description

Subject will be enrolled in one of four planned cohorts (Main Study Group, Expansion Cohort 1, Expansion Cohort 2 or Expansion Cohort 3).

Main Study Group. Three initial subjects with either HCC or cancer metastatic to the liver will receive 0.25 mL PV-10 per cc lesion volume (Lv) to a single lesion (up to a maximum dose of 7.5 mL PV-10). If none of the initial three subjects experiences a new and persistent CTCAE Grade 3 or greater non-hematological or any Grade 4 hematological toxicity over a 28-day follow-up interval, an additional three subjects will be enrolled and similarly treated with PV-10 administered at 0.50 mL per cc Lv (up to a maximum dose of 15 mL PV-10) provided no new and persistent Grade 3 or greater non-hematological or any Grade 4 hematological toxicity occurs.

Expansion Cohort 1 (EC1: PV-10 plus/minus Checkpoint Inhibition). Following demonstration of safety and tolerability in the Main Study Group, up to 48 additional subjects with cancers metastatic to the liver or with HCC will be enrolled into Expansion Cohort 1 (EC1). Subjects will be treated with PV-10 administered at 0.50 mL per cc Lv (up to a maximum dose of 15 mL PV-10). Subjects may receive injection of up to two lesions in any PV-10 treatment cycle. Enrollment will continue provided no new and persistent Grade 3 or greater non-hematological (excluding fatigue) or any Grade 4 hematological toxicity occurs.

Expansion Cohort 2 (EC2: PV-10 plus Checkpoint Inhibition). Following demonstration of safety and tolerability in the Main Study Group, up to 12 additional subjects with HCC on a background of standard care checkpoint inhibition therapy (i.e., anti-PD-1 therapy) will be enrolled into Expansion Cohort 2 (EC2). Subjects will be treated with PV-10 administered at 0.50 mL per cc Lv (up to a maximum dose of 15 mL PV-10). Subjects may receive injection of up to two lesions in any PV-10 treatment cycle. Enrollment will continue provided no new and persistent Grade 3 or greater non-hematological (excluding fatigue) or any Grade 4 hematological toxicity occurs.

Expansion Cohort 3 (EC3: PV-10 plus Checkpoint Inhibition). Following demonstration of safety and tolerability in the Main Study Group, up to 12 additional subjects with hepatic metastases of uveal melanoma (mUM) on a background of standard care checkpoint inhibition therapy (i.e., anti-CTLA-4, anti-PD-1 or combination anti-CTLA-4 and anti-PD-1 therapy) will be enrolled into Expansion Cohort 3 (EC3). Subjects will be treated with PV-10 administered at 0.50 mL per cc Lv (up to a maximum dose of 15 mL PV-10). Subjects may receive injection of up to two lesions in any PV-10 treatment cycle. Enrollment will continue provided no new and persistent Grade 3 or greater non-hematological (excluding fatigue) or any Grade 4 hematological toxicity occurs.

Concomitant therapy with immune checkpoint inhibition is allowed in Expansion Cohort 1 and required in Expansion Cohort 2 and Expansion Cohort 3. This concomitant therapy must commence at least 7 days prior to initial PV-10 administration.

Subjects in each Expansion Cohort one or more additional injectable tumor ≥ 1 cm in diameter will be eligible for treatment of one or more additional injectable tumor 28 days to 6 months after prior PV-10 administration provided that any prior treatments with PV-10 were well tolerated. This may be repeated until all injectable tumors ≥ 1 cm in diameter have received PV-10.

Enrollment

78 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Age 18 years or older, males and females.
  • Histologically or cytologically confirmed, or clinically diagnosed based on currently accepted standards, cancer metastatic to the liver or HCC that is not amenable at the time of enrollment to resection, transplant or other potentially curative therapy.
  • At least one Target Lesion determined to be amenable to percutaneous injection by the treating physician.
  • Target Lesion(s) must have measurable disease, defined as a unidimensionally measurable lesion ≥ 1.0 cm in longest diameter by helical CT; the maximum diameter of Target Lesion(s) shall be ≤ 4.9 cm.
  • Performance status of Karnofsky scale 60%-100% or ECOG performance scale 0-2.
  • Life expectancy ≥ 12 weeks.
  • Hematopoietic Function: WBC ≥ 2,500/mm3; ANC ≥ 1000/mm3; Hemoglobin ≥ 8 g/dL; Platelet count ≥ 50,000/mm3; Coagulation: INR ≤ 1.3.
  • AST and ALT < 5 times ULN; ALP < 5 times ULN; Bilirubin ≤ 1.5 times ULN; Creatinine ≤ 1.5 times ULN and eGFR ≥ 50.
  • Thyroid Function: Total T3 or free T3, total T4 or free T4 and THS ≤ CTCAE Grade 2 abnormality.
  • Renal Function: Adequate renal function in the opinion of the Investigator with no clinically significant renal impairment or uncontrolled renal disease.
  • Cardiovascular Function: Adequate cardiovascular function in the opinion of the Investigator with no clinically significant uncontrolled cardiovascular disease.
  • Respiratory Function: Adequate respiratory function in the opinion of the Investigator with no clinically significant uncontrolled respiratory disease.
  • Immunological Function: Adequate immune system function in the opinion of the Investigator with no known immunodeficiency disease.
  • Informed Consent: Signed by the subject prior to screening.

Exclusion criteria

  • Target Lesion(s) must not be contiguous with, encompass or infiltrate major blood vessels.
  • Primary HCC amenable to resection, transplant or other potentially curative therapy.
  • Surgery: Subjects who have received hepatic surgery, ablation or chemoembolization within 4 weeks of PV-10 administration.
  • Radiation Therapy: Hepatic radiation within 4 weeks of PV-10 administration.
  • Chemotherapy: Chemotherapy within 4 weeks of PV-10 administration (6 weeks for nitrosoureas or mitomycin C).
  • Investigational Agents: Investigational agents within 4 weeks (or 5 half-lives) of PV-10 administration.
  • Phototoxic or Photosensitizing Agents: Concomitant agents posing a clinically significant risk of photosensitivity reaction within 5 half-lives of PV-10 administration.
  • Concurrent or Intercurrent Illness: Impaired wound healing due to diabetes; Significant concurrent or intercurrent illness, psychiatric disorders or alcohol or chemical dependence that would compromise Subject safety or compliance or interfere with interpretation of the study; Uncontrolled thyroid disease or cystic fibrosis; Presence of clinically significant acute or unstable cardiovascular, cerebrovascular (stroke), renal, gastrointestinal, pulmonary, immunological (with the exception of the presence of hepatitis B virus (HBV), viral hepatitis, or cirrhosis), endocrine, or central nervous system disorders; Current encephalopathy or current treatment for encephalopathy; Variceal bleeding requiring hospitalization or transfusion within 4 months of screening; History of human immunodeficiency virus or acquired immune deficiency syndrome; The clinical presence of ascites.
  • Pregnancy: Female subjects who are pregnant, lactating or have positive serum β HCG pregnancy test taken within 7 days of PV-10 administration; Fertile subjects who are not using effective contraception (e.g., oral contraceptives, intrauterine devices, double barrier methods such as condoms and diaphragms, abstinence or equivalent measures).

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

78 participants in 1 patient group

PV-10 Injection (Intralesional)
Experimental group
Description:
Subjects in each of three cohorts will receive a single dose of PV-10 to one Target Lesion.
Treatment:
Drug: PV-10 (10% rose bengal disodium)

Trial contacts and locations

5

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Data sourced from clinicaltrials.gov

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