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Immunostimulating Interstitial Laser Thermotherapy in Malignant Melanoma

Watumiaji waliosajiliwa tu ndio wanaweza kutafsiri nakala
Ingia / Ingia
Kiungo kimehifadhiwa kwenye clipboard
HaliKuajiri
Wadhamini
Clinical Laserthermia Systems AB

Maneno muhimu

Kikemikali

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.

Tarehe

Imethibitishwa Mwisho: 12/31/2018
Iliyowasilishwa Kwanza: 11/26/2015
Uandikishaji uliokadiriwa Uliwasilishwa: 01/06/2016
Iliyotumwa Kwanza: 01/07/2016
Sasisho la Mwisho Liliwasilishwa: 01/28/2019
Sasisho la Mwisho Lilichapishwa: 01/29/2019
Tarehe halisi ya kuanza kwa masomo: 09/30/2015
Tarehe ya Kukamilisha Msingi iliyokadiriwa: 05/31/2020
Tarehe ya Kukamilisha Utafiti: 09/30/2020

Hali au ugonjwa

Melanoma
Malignant Melanoma

Uingiliaji / matibabu

Device: imILT

Awamu

-

Vikundi vya Arm

MkonoUingiliaji / matibabu
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.

Vigezo vya Kustahiki

Zama zinazostahiki Kujifunza 18 Years Kwa 18 Years
Jinsia Inastahiki KujifunzaAll
Hupokea Wajitolea wa AfyaNdio
Vigezo

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

Matokeo

Hatua za Matokeo ya Msingi

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.

Hatua za Matokeo ya Sekondari

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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