- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07635732
Urinary Microbiome as a Biomarker for Melanoma Diagnosis and Response Prediction to Systemic Tumour Therapy
The Potential of the Urinary Microbiome as a Biomarker for Melanoma Diagnosis and Response Prediction to Systemic Tumour Therapy, a Pilot Study
This study looks at whether the bacteria naturally present in urine (the "urinary microbiome") can help doctors better understand melanoma, a type of skin cancer, and predict how well patients respond to treatment.
In recent years, researchers have discovered that bacteria in the body-especially in the gut-can influence cancer development and how patients respond to therapy. However, very little is known about the bacteria in urine and whether they may also play a role in cancer.
In this study, patients with melanoma who are starting treatment (such as immunotherapy or targeted therapies) will be asked to provide urine samples and stool samples at several time points, as well as answer questionnaires about their health and lifestyle. A group of people without melanoma will also provide urine samples for comparison.
Researchers will analyze these samples to identify the types of bacteria present and how they change over time. They will then investigate whether certain bacterial patterns are linked to better or worse treatment outcomes.
The study does not change the medical treatment patients receive. Participation mainly involves providing samples and filling out questionnaires, which represents only a small additional effort.
The results of this study may help to identify new, non-invasive biomarkers that could improve early diagnosis and help doctors choose the most effective treatment for melanoma patients in the future
Panoramica dello studio
Stato
Condizioni
Descrizione dettagliata
This pilot study investigates the urinary microbiome as a potential non-invasive biomarker in patients with melanoma undergoing systemic therapy. It aims to determine whether microbial composition in urine differs between melanoma patients and matched controls, and whether it is associated with and predictive of response to immune checkpoint inhibition or targeted therapy.
In a prospective observational matched cohort design, melanoma patients initiating systemic therapy and control participants are recruited. Patients provide urine and stool samples at baseline and at two follow-up time points during therapy, along with clinical and lifestyle data, while controls provide a single urine sample and questionnaire data. Microbiome profiling is performed using 16S rRNA gene sequencing, followed by bioinformatic and statistical analyses to assess microbial diversity, composition, and associations with clinical variables.
The study evaluates differences in urinary and gut microbiome composition between patients and controls, longitudinal changes during therapy, and associations with treatment response. Statistical approaches include matched analyses, correlation and regression models, and receiver operating characteristic analyses to assess the predictive potential of microbiome-derived biomarkers.
This study is expected to provide first insights into the role of the urinary microbiome in melanoma and its potential utility as a biomarker for diagnosis and prediction of therapeutic response, contributing to the development of personalized treatment strategies.
Tipo di studio
Iscrizione (Stimato)
Contatti e Sedi
Luoghi di studio
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Styria
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Gratwein, Styria, Austria, 8036
- Reclutamento
- Department of Dermatology and Venereology, Medical University of Graz
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Contatto:
- Peter Wolf, Prof
- Numero di telefono: +433163850
- Email: peter.wolf@medunigraz.at
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Contatto:
- Johannes woltsche, MD
- Numero di telefono: +433163850
- Email: johannes.woltsche@medunigraz.at
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Metodo di campionamento
Popolazione di studio
Descrizione
Inclusion Criteria:
- melanoma with indication for systemic therapy
- age above 18
- informed consent
Exclusion Criteria:
- - inability to provide informed consent
- antibiotic use (except for topical use) ≤ 8 weeks prior to screening
- consumption of probiotic or prebiotic supplements within 4 weeks prior to screening
- current diagnosis of any disease with systemic inflammation (e.g. cellulitis, herpes zoster, psoriasis, etc.)
- for the case group: diagnosis of any active malignancy other than melanoma (except for basal cell carcinoma)
- for the control group: diagnosis of any active malignancy (except for basal cell carcinoma)
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
Coorti e interventi
Gruppo / Coorte |
|---|
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Controlli
Controlli sani
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Immunotherapy
Patients undergoing immunotherapy for melanoma
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targeted therapy
Patients undergoing targeted therapy for melanoma
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Urinary microbiome composition
Lasso di tempo: 11-13 weeks
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Alpha and beta diversity
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11-13 weeks
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Urinary microbiome composition
Lasso di tempo: 11-13 weeks
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Taxonomic composition
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11-13 weeks
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Gut microbiome composition
Lasso di tempo: 11-13 weeks
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Alpha and beta diversity
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11-13 weeks
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Gut microbiome composition
Lasso di tempo: 11-13 weeks
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Taxonomic composition
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11-13 weeks
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Collaboratori e investigatori
Sponsor
Studiare le date dei record
Studia le date principali
Inizio studio (Effettivo)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- Melanoma UMB
Piano per i dati dei singoli partecipanti (IPD)
Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?
Descrizione del piano IPD
Periodo di condivisione IPD
Criteri di accesso alla condivisione IPD
Tipo di informazioni di supporto alla condivisione IPD
- STUDIO_PROTOCOLLO
- CODICE_ANALITICO
Informazioni su farmaci e dispositivi, documenti di studio
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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