NCT00683670

Brief Summary

The purpose of this study is to investigate a method of using dendritic cells (a kind of white blood cell) as a vaccine to stimulate your own immune system to react to your melanoma cells.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
17

participants targeted

Target at below P25 for phase_1

Timeline
Completed

Started Aug 2008

Longer than P75 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 19, 2008

Completed
4 days until next milestone

First Posted

Study publicly available on registry

May 23, 2008

Completed
2 months until next milestone

Study Start

First participant enrolled

August 1, 2008

Completed
7.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2016

Completed
Last Updated

June 29, 2025

Status Verified

June 1, 2025

Enrollment Period

7.8 years

First QC Date

May 19, 2008

Last Update Submit

June 25, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • Immunological response based on measuring increased numbers of peptide specific CD8+ T cells as calculated by the tetramer assay.

    * Starting on Day 0, two tubes will be drawn weekly until Day 64. Thereafter, two tubes will be drawn every 21 days until Day 190. For patients receiving maintenance treatment, blood is drawn every month. * Data are presented as the percentage of CD8+ T cells positive for tetramer binding based on gating variables set using the iMASC reagent kit (Beckman Coulter).

    Through completion of treatment

  • Safety and tolerability of the mature dendritic cell vaccine as measured by adverse events

    The descriptions and grading scales found in the revised NCI Common Terminology Criteria for Adverse Events (CTCAE) version 3.0 will be utilized for all toxicity reporting.

    30 days after end of treatment

Secondary Outcomes (4)

  • Time to progression

    Through completion of treatment or until progressive disease

  • Regulatory T cell depletion after cyclophosphamide administration.

    Day -3 (72 hours prior to vaccine dose 1)

  • Safety and side effect profile of mDC administered to patients given after a single dose of cyclophosphamide.

    Day 0 (prior to vaccine dose 1)

  • Clinical response rate using RECIST criteria

    After third vaccine, sixth vaccine, and then every 8 weeks

Study Arms (3)

Dendritic Cell Vaccine (First Group)

EXPERIMENTAL

Blood mononuclear cells will be collected for vaccine production through apheresis. Patients will be given cyclophosphamide 300mg/m2 IV 3 days prior to vaccine dose #1 in order to deplete regulatory T cells. Patients will receive mature DC for each dose of vaccine and will receive autologous dendritic cells. The DC vaccine will be given intravenously every 3 weeks for a total of 6 doses. Peripheral blood will be taken weekly to monitor the immune response. Apheresis is repeated after vaccine dose #3 and dose #6 in order to collect PBMC for immune monitoring. Patients with stable disease or better after 6 doses will be eligible to receive additional vaccinations as maintenance therapy every 2 months until progression.

Drug: cyclophosphamideBiological: Mature dendritic cell vaccine

Dendritic Cell Vaccine (Second Group)

EXPERIMENTAL

Blood mononuclear cells will be collected for vaccine production through apheresis. Patients will be given cyclophosphamide 300mg/m2 IV 3 days prior to vaccine dose #1 in order to deplete regulatory T cells. Patients will receive mature DC for each dose of vaccine and will receive autologous dendritic cells. The DC vaccine will be given intravenously every 3 weeks for a total of 6 doses. Peripheral blood will be taken weekly to monitor the immune response. Apheresis is repeated after vaccine dose #3 and dose #6 in order to collect PBMC for immune monitoring. Patients with stable disease or better after 6 doses will be eligible to receive additional vaccinations as maintenance therapy every 2 months until progression.

Drug: cyclophosphamideBiological: Mature dendritic cell vaccine

Dendritic Cell Vaccine (Third Group)

EXPERIMENTAL

Blood mononuclear cells will be collected for vaccine production through apheresis. Patients will be given cyclophosphamide 300mg/m2 IV 3 days prior to vaccine dose #1 in order to deplete regulatory T cells. Patients will receive mature DC for each dose of vaccine and will receive autologous dendritic cells. The DC vaccine will be given intravenously every 6 weeks for a total of 3 doses. Peripheral blood will be taken weekly to monitor the immune response. Apheresis is repeated after vaccine dose #3 in order to collect PBMC for immune monitoring.

Drug: cyclophosphamideBiological: Mature dendritic cell vaccine

Interventions

Also known as: Cytoxan
Dendritic Cell Vaccine (First Group)Dendritic Cell Vaccine (Second Group)Dendritic Cell Vaccine (Third Group)
Dendritic Cell Vaccine (First Group)Dendritic Cell Vaccine (Second Group)Dendritic Cell Vaccine (Third Group)

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Unresectable stage III and stage IV M1a/M1b/M1c melanoma including patients with uveal melanoma
  • Age ≥ 18 years
  • Life expectancy ≥ 4 months
  • ECOG performance status 0-2
  • At least 28 days from prior treatment (including adjuvant interferon) except in cases of a BRAF inhibitor (such as vemurafenib); concurrent treatment with a BRAF inhibitor +/- MEK inhibitor is permitted
  • Required initial laboratory values (submitted within 14 days prior to registration):
  • WBC \>3,000/mm3
  • Hg ≥ 9.0 gm/dl
  • Platelets \>75,000/mm3
  • Serum Bilirubin \< 2.0 mg/dl
  • Serum Creatinine \< 2.0 mg/dl
  • Sexually active women of childbearing potential must use effective birth control during the trial and for at least two months following the trial, and sexually active men must be willing to avoid fathering a new child while receiving therapy.

You may not qualify if:

  • Prior treatment with more than one line of cytotoxic chemotherapy; prior treatment with one line of cytotoxic chemotherapy is permitted. Prior treatment with targeted therapy (such as ipilumumab, anti-PD1, and BRAF inhibitor) is permitted.
  • Active untreated CNS metastasis
  • Active infection
  • Prior malignancy (except non-melanoma skin cancer) within 3 years
  • Pregnant or nursing
  • Concurrent treatment with corticosteroids; local (inhaled or topical) steroids are permitted.
  • Inability to provide adequate informed consent
  • Known allergy to eggs
  • Prior history or uveitis or autoimmune inflammatory eye disease.
  • Known positivity for hepatitis BsAg, hepatitis C antibody, or HIV antibody.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Washington University School of Medicine

St Louis, Missouri, 63110, United States

Location

Related Publications (53)

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Related Links

MeSH Terms

Conditions

Melanoma

Interventions

Cyclophosphamide

Condition Hierarchy (Ancestors)

Neuroendocrine TumorsNeuroectodermal TumorsNeoplasms, Germ Cell and EmbryonalNeoplasms by Histologic TypeNeoplasmsNeoplasms, Nerve TissueNevi and MelanomasSkin NeoplasmsNeoplasms by SiteSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

Phosphoramide MustardsNitrogen Mustard CompoundsMustard CompoundsHydrocarbons, HalogenatedHydrocarbonsOrganic ChemicalsPhosphoramidesOrganophosphorus Compounds

Study Officials

  • Gerald P. Linette, M.D., Ph.D.

    Abramson Cancer Center at Penn Medicine

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 19, 2008

First Posted

May 23, 2008

Study Start

August 1, 2008

Primary Completion

June 1, 2016

Study Completion

June 1, 2016

Last Updated

June 29, 2025

Record last verified: 2025-06

Data Sharing

IPD Sharing
Will not share

Locations