About this trial
The association between microbiota and response to ICI-based therapy reflects the ability of bacterial metabolites to upregulate MHC class I APM component expression and/or function in cancer cells, leading to their elimination by the host's immune system.
Thus, the aim of this project is to evaluate the ability of anti PD-1 combined with postbiotic, that here will be a coadjuvant of a standard immunotherapy to upregulate MHC class I APM component expression and/or function in cancer cells compared to anti PD-1 alone in first line advanced melanoma patients.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients 18 years or older
Histologically confirmed, unresectable stage IIIC or IV metastatic melanoma;
Eastern Cooperative Oncology Group performance status of 0 or 1;
The patient must treatment naïve for metastatic disease
Disqualifiers
Patients with mucosal or with a primary ocular melanoma
Active symptomatic or asymptomatic brain metastases
Patients with the following disorders: active, known, or suspected autoimmune disease (except for some non-serious disorders, such as vitiligo and type 1 diabetes mellitus, as specified in the study protocol);
Previous malignancies (exceptions skin basocellular or squamocellular carcinoma radically resected, in situ uterine cervix in situ carcinoma radically resected) in the previous 2 years.
Trial design
Parallel
Treatments tested in this trial
Postbiotic
Dietary supplementpostbiotic food supplement PostbiotiX-HLA 1 capsule (200mg) /day
AntiPD1
DrugAntibody to PD1 approved for standard of care
Treatment groups
Trial outcomes
Primary outcomes
Biological response rate
proportion of responder patients at 12 weeks from treatment start. The response to treatment is based on the IHC level of HLA and NRLC5 at baseline and after 12 weeks from treatment start. An IHC level equal to 0 or 1+ is defined as low, while a IHC value equal to 2+ or 3+ is defined as high
Secondary outcomes
Objective Response Rate
the proportion of patients with a complete (CR) or partial response (PR) as best response during treatment as determined by RECIST 1.1.
Sponsors and contacts
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Azienda Ospedaliera di Perugia
Lead sponsor
Istituto Clinico Humanitas
Collaborator