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Title: IDO peptid vaccination in combination with immune stimulating agent Aldara and the adjuvant Montanide, for treatment of patients with locally advanced or metastatic non small-cell lung cancer. A first-in-man phase I trial.
Hypothesis: In this trial the investigators assess a new immunotherapeutic strategy targeting the immune inhibiting enzyme, IDO to investigate the potential of vaccination against IDO as a possible anticancer target.
Full description
Background: Non small-cell lung cancer (NSCLC) is a common disease with a poor prognosis when locally advanced or metastasized, despite advances in surgery, chemo- and radiation therapy.
In this trial the investigators assess a new immunotherapeutic strategy targeting the immune inhibiting enzyme, IDO to investigate the potential of vaccination against IDO as a possible anticancer target.
IDO has recently been recognized as an important factor in immune regulation and development of immune tolerance in the microenvironment of cancer cells. Cells that represent IDO at their surface are known to inhibit the immune system. IDO expression is seen both in cancer cells and antigen presenting cells. The vaccination against IDO expressing cells is therefore two-sided. The vaccination therapy is thought to block the development of immune tolerance induced by IDO expressing cells. At the same time the investigators aim to stimulate the production of IDO specific T-cells, hence facilitating the elimination of IDO positive tumour cells. The primary end points are safety and toxicity evaluation. Secondary end points are immunological and clinical response.
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Inclusion and exclusion criteria
Inclusion Criteria:
a. White blood cell count > 2,5 * 109 /l b. Neutrophil count> 1,5 * 109 /l c. Platelet count > 75 * 109/l 10. Creatinin measured < 2,5 * upper limit value 11. Acceptable liver function, defined as
ASAT < 100 U/L
Bilirubin < 30 U/L 12. Women with child-bearing potential must have controlled s-hcg before inclusion 13. Patients must provide written informed concent before inclusion 13. Termination of chemotherapy treatment > 28 days before inclusion
Termination of radiotherapy treatment > 28 days before inclusion
Inclusion at least > 4 weeks after complicated gastric surgery
Exclusion Criteria:
Other malignancies except from non-melanoma skin cancer in the previous 5 years until study inclusion
Brain metastasis are allowed after radical excision, and if the patient at least 1 month afterwards is not in clinical or radiographic progression
Patients with active gastric ulcer disease; patients taking antacid treatment can be included.
Severe medical condition, severe asthma, severe COLD, severe arteriosclerosis or diabetic disease
Acute or chronic infection (ie. HIV, hepatitis, tuberculosis)
Severe allergic reaction or previous anaphylactic shock
Autoimmune diseases (ie. autoimmune neutropenia/thrombopenia, hæmolytic anaemia, systemic lupus erythematosis, Sjøgrens disease, sclerodermia, Goodpastures syndrome, Addisons disease, active Graves disease)
Pregnant or lactating women
Psychiatric disease, which can influence compliance
Known hypersensitivity towards the adjuvance Montanide, the Aldara creme, or adhesive tape.
Treatment with immunosuppressive therapy (ie. dexamethasone, methotrexate)
Treatment with other experimental therapy
Treatment with other anti-cancer therapy, except from treatment of osteoporosis
No systemic chemotherapy, immunotherapy or radiation therapy (except locally) are allowed until 28 days before inclusion.
Primary purpose
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Interventional model
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14 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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