Phase 2 Study of Intralesional PV-10 for Metastatic Melanoma

Study Description

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Brief Summary:

The primary objective of this study is to investigate the effectiveness of intralesional (IL) PV-10 for locoregional treatment of metastatic melanoma. This study will also include assessment of response in untreated bystander lesions following intralesional injection of PV-10 into targeted lesions. Additional objectives are to determine the safety profile of PV-10 following intralesional injection, and assess the pharmacokinetic profile of PV-10 in the bloodstream following intralesional injection.

Condition or disease	Intervention/treatment	Phase
Melanoma	Drug: PV-10 (10% rose bengal disodium)	Phase 2

Detailed Description:

This is a multicenter, open-label, single-agent study. Subjects with at least one melanoma lesion ≥ 0.2 cm in diameter that can be accurately measured by ruler/caliper or ultrasound will receive intralesional injection of PV-10 into each of up to twenty (20) Study Lesions. Additionally, one to two measurable Bystander Lesions may remain untreated and will be followed for assessment of bystander response.

To accurately reflect anticipated clinical use, repeat dosing of treated lesions will be allowed at the Investigator's discretion at weeks 8, 12 and 16 following initial treatment for those lesions not exhibiting complete response. Subjects will be followed for 52 weeks following initial treatment with PV-10.

Study Design

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Study Type :	Interventional (Clinical Trial)
Actual Enrollment :	80 participants
Intervention Model:	Single Group Assignment
Masking:	None (Open Label)
Primary Purpose:	Treatment
Official Title:	A Phase 2 Study of Intralesional PV-10 in the Treatment of Metastatic Melanoma
Study Start Date :	September 2007
Actual Primary Completion Date :	May 2010
Actual Study Completion Date :	June 2012

Arms and Interventions

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Arm	Intervention/treatment
Experimental: PV-10	Drug: PV-10 (10% rose bengal disodium); Intralesional injection for chemoablation

Outcome Measures

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Primary Outcome Measures :

1. Objective Response Rate (ORR) of PV-10 Treated Lesions [ Time Frame: 52 weeks ]
   Using modified Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for cutaneous or subcutaneous target lesions assessed by ruler, caliper or ultrasound: Complete Response (CR), disappearance of all target lesions; Partial Response (PR), >=30% decrease in the sum of the longest diameter of target lesions; Objective Response Rate (ORR) = %CR + %PR.

Secondary Outcome Measures :

1. Objective Response Rate of Untreated Bystander Lesions [ Time Frame: 52 weeks ]
   Using modified Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for designated, untreated cutaneous or subcutaneous bystander lesions assessed by ruler, caliper or ultrasound: Complete Response (CR), disappearance of all bystander lesions; Partial Response (PR), >=30% decrease in the sum of the longest diameter of bystander lesions; Objective Response Rate (ORR) = %CR + %PR.
2. Progression Free Survival (PFS) [ Time Frame: 52 weeks ]
   Progression is defined using modified Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0), as a 20% increase in the sum of the longest diameter of target lesions, or significant worsening of non-target disease (e.g., a measurable increase in non-target lesions or the appearance of new lesions) indicative of disease progression.
3. Overall Survival [ Time Frame: 52 weeks ]
   1-year survival

Eligibility Criteria

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Ages Eligible for Study:	18 Years and older (Adult, Older Adult)
Sexes Eligible for Study:	All
Accepts Healthy Volunteers:	No

Criteria

Inclusion Criteria:

• Men or women, age 18 years or older.
• Histologically or cytologically confirmed metastatic melanoma, AJCC (2002) Stage III (regional lymph node metastasis, in-transit metastasis or satellite metastasis) or Stage IV (distant metastasis).
• Measurable disease in at least one lesion ≥ 0.2 cm in diameter that can be accurately measured by ruler/caliper or ultrasound. Target, Non-Target and Bystander Lesions selected by discretion of Investigator.
• Performance Status: ECOG 0-2.
• Life Expectancy: At least 6 months.

• Hematopoietic:

  • White blood cell count (WBC) no less than 2500/mm3 (2.5 x 10E9/L).
  • Absolute neutrophil count (ANC) no less than 1,000/mm3 (1.0 x 10E9/L).
  • Platelet count no less than 90,000/mm3 (90 x 10E9/L).

• Blood Chemistry:

  • Creatinine no greater than 1.5 times the upper limit of normal (ULN).
  • Total bilirubin no greater than 1.5 times the upper limit of normal (ULN).
  • AST/ALT no greater than 3 times the upper limit of normal (ULN).

• Thyroid Function:

  • Total T3 or free T3 (serum triiodothyronine), total T4 or free T4 (serum thyroxine) and THS (serum thyrotropin) within normal limits.

• Cardiovascular Function:

  • No clinically significant cardiovascular disease.

• Respiratory Function:

  • No clinically significant respiratory disease.

• Immunological Function:

  • No known immunodeficiency disease. Subjects must have adequate immune system function in the opinion of the Investigator.

Exclusion Criteria:

• Radiation therapy within 4 weeks of study treatment or to any Study Lesion within 12 weeks of study treatment.

• Chemotherapy:

  • Chemotherapy or other systemic cancer therapy within 4 weeks of study treatment (6 weeks for nitrosoureas or mitomycin).
  • Regional chemotherapy (limb infusion or perfusion) within 12 weeks of study treatment.
• Local treatment (e.g., surgery, cryotherapy, radiofrequency ablation) to the treatment area within 4 weeks of study treatment.
• Investigational agents within 4 weeks (or 5 half-lives) of study treatment.
• Photosensitizing agents within 5 half-lives of study treatment.
• Anti-tumor vaccine therapy within 6 weeks of study treatment.

• Concurrent or Intercurrent Illness:

  • Severe diabetes.
  • Extremity complications due to diabetes.
  • Significant concurrent or intercurrent illness, psychiatric disorders, or alcohol or chemical dependence that would, in the opinion of the Investigator, compromise their safety or compliance or interfere with interpretation of study results.
  • Thyroid disease (subclinical or ongoing), goiter, partial thyroidectomy, previous radioiodine- or surgically-treated Graves' hyperthyroidism or cystic fibrosis, or taking thyroid hormone medication.

• Pregnancy:

  • Female subjects who are pregnant or lactating.
  • Female subjects who have positive serum ßHCG pregnancy test taken within 7 days of PV-10 treatment.
  • Fertile subjects who are not using effective contraception.

Contacts and Locations

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Locations

United States, California
California Pacific Medical Center
San Francisco, California, United States, 94115
United States, Kentucky
University of Louisville
Louisville, Kentucky, United States, 40202
United States, Pennsylvania
St Luke's Hospital & Health Network
Bethlehem, Pennsylvania, United States, 18015
United States, Texas
M.D. Anderson Cancer Center
Houston, Texas, United States, 77030
Australia, New South Wales
Sydney Melanoma Unit
Sydney, New South Wales, Australia, 2050
Australia, Queensland
Princess Alexandra Hospital
Woolloongabba, Queensland, Australia, 4102
Australia, South Australia
Royal Adelaide Hospital
Adelaide, South Australia, Australia, 5000

Sponsors and Collaborators

Provectus Pharmaceuticals

Investigators

Principal Investigator:	John F Thompson, MD	Sydney Melanoma Unit

More Information

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Responsible Party:	Provectus Pharmaceuticals
ClinicalTrials.gov Identifier:	NCT00521053 History of Changes
Other Study ID Numbers:	PV-10-MM-02
First Posted:	August 27, 2007
Results First Posted:	August 25, 2014
Last Update Posted:	August 25, 2014
Last Verified:	August 2014

Keywords provided by Provectus Pharmaceuticals:

immune; vaccine; systemic; Metastatic Melanoma (AJCC Stage III or IV)

Additional relevant MeSH terms:

Melanoma; Neuroendocrine Tumors; Neuroectodermal Tumors; Neoplasms, Germ Cell and Embryonal	Neoplasms by Histologic Type; Neoplasms; Neoplasms, Nerve Tissue; Nevi and Melanomas