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Immunostimulating Interstitial Laser Thermotherapy in Malignant Melanoma

Straipsnius versti gali tik registruoti vartotojai
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Rėmėjai
Clinical Laserthermia Systems AB

Raktažodžiai

Santrauka

Thermotherapy is a technology aiming at destroying tissue, for example tumor tissue. Immunostimulating Interstitial Laser Thermotherpy (imILT) is a specific form of thermotherapy, which, in addition to destroying tumor tissue, has been optimized to cause a tumor specific immunologic response. In laboratory animals the imILT method has also been shown to induce a so called abscopal effect. This means that when one tumor is treated with imILT other, untreated, tumors also decrease in size. The immunologic response has previously been characterized in breast cancer patients after receiving imILT treatment , and presumed abscopal effects induced by imILT have also been described in a malignant melanoma patient.
The purpose of this trial is to investigate the functionality and safety of the imILT treatment method in patients diagnosed with malignant melanoma. The inflammatory process, following on the treatment, will also be described in order to provide a more in depth knowledge of the treatment for this indication. The purpose is also to evaluate efficiency when it comes to local tumor destruction as well as understanding of the subsequent immunological effects. Since immunologically based treatment of malignant melanoma is under intense review with so called "immune checkpoint inhibitors" this trial will also provide valuable information on how imILT, in the future, could be combined with these new and, for some patients, very effective treatment regimens.
The treatment method has successfully been used for treatment of patients with breast cancer and malignant melanoma . Treatment of breast cancer patients caused an increase of cytotoxic T lymphocytes in the treated tumor, as well as activated dendritic cells at the tumor border. Regulatory T lymphocytes decreased in the regional lymph nodes.
This trial is explorative, prospective, open and non-randomized. Five malignant melanoma patients stage III - IV will be treated in this trial, which is estimated to be carried out during a time period of 12 months.

Datos

Paskutinį kartą patikrinta: 12/31/2018
Pirmasis pateikimas: 11/26/2015
Numatytas registravimas pateiktas: 01/06/2016
Pirmas paskelbtas: 01/07/2016
Paskutinis atnaujinimas pateiktas: 01/28/2019
Paskutinis atnaujinimas paskelbtas: 01/29/2019
Faktinė studijų pradžios data: 09/30/2015
Numatoma pirminio užbaigimo data: 05/31/2020
Numatoma studijų užbaigimo data: 09/30/2020

Būklė ar liga

Melanoma
Malignant Melanoma

Intervencija / gydymas

Device: imILT

Fazė

-

Rankų grupės

RankaIntervencija / gydymas
Experimental: imILT
Immunostimulating Interstitial Laser Thermotherapy (imILT)
Device: imILT
Immunostimulating Interstitial Laser Thermotherpy (imILT) is a specific form of thermotherapy, which, in addition to destroying tumor tissue, has been optimized to cause a tumor specific immunologic response.

Tinkamumo kriterijai

Amžius, tinkami studijuoti 18 Years Į 18 Years
Tinkamos studijoms lytysAll
Priima sveikus savanoriusTaip
Kriterijai

Inclusion Criteria:

- >18 years of age

- histologically confirmed malignant melanoma

- advanced melanoma disease (Stage III inoperable or Stage IV) that has progressed on standard first line treatment such as kinase inhibitor(s) and/or immunoregulatory monoclonal antibodies. Previously untreated patients with a dominant tumour lesion deemed suitable for local and highly tumour-destructive ablation may also be included

- time interval between previous systemic treatment and imILT of at least one month

- at least one lesion located in such a way (typically subcutaneously) that it can be treated without risk of skin necrosis or serious damage to other adjacent vital and healthy tissue

- verbal and written informed consent to participate

- adequate haematologic, renal and hepatic functions

- have an ECOG performance status ≤ 2 (Karnofsky ≥ 60%)

Exclusion Criteria:

- known HIV infection

- autoimmune disease which is judged to reduce an anti-tumour immune response

- systemic corticosteroid medication

- bleeding diathesis

- pregnancy or breast-feeding

Rezultatas

Pirminės rezultatų priemonės

1. Safety (adverse events) [18 months]

Evaluation of adverse events.

2. Usability of the device as evaluated by treatment logs [18 months]

Evaluation of the laser system by analysis of treatment logs of the device.

3. Usability of the device as evaluated by user questionnaire [18 months]

Evaluation of the laser system by analysis of user questionnaire.

Antrinės rezultatų priemonės

1. Treatment effect (Measurement of tumor burden by irRC criteria) [18 months]

Measurement of tumor burden by irRC criteria.

2. Inflammatory response in tumor and circulation measured by quantification of inflammatory cell populations [18 months]

Quantification of cellular infiltrate and activation markers by immunohistochemistry and flow cytometry.

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