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Urothelial CarcinomaNCT05290038

ARON-2 Study-Multicentric International Retrospective Study

An observational study of Urothelial Carcinoma, run by Matteo Santoni at 1 site in Italy.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
Search all trials

Trial summary

The ARON-2 study retrospectively analyze patients treated with pembrolizumab as first-line therapy in patients platinum-unfit or as second-line therapy in patients progressed after previous platinum-based chemotherapy. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Urothelial Carcinoma
How many people
367 participants
Where
1 siteItaly
Study dates
17 Feb 2022to 30 Sep 2027
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: patients treated with pembrolizumab as first-line therapy in patients platinum-unfit or as second-line therapy in patients progressed after previous platinum-based chemotherapy, or patient treated with enfortumab vedotin progressed to previous platinum-based chemotherapy and anti-PD-1/PD-L1 inhibitor.

Who may be able to join

  • Patients aged >18y
  • Histologically confirmed diagnosis of UC of upper and/or lower urinary tract
  • Histologically or radiologically confirmed metastatic disease
  • Patients treated with at least one of the following:
  • Treatment with pembrolizumab in patients progressed after previous platinum-based chemotherapy or as first-line therapy in patients platinum-unfit, and at least 1 cycle of pembrolizumab within the period from 1 January 2018 to 30 November 2021
  • Treatment with enfortumab vedotin in patients progressed to previous platinum-based chemotherapy and anti-PD-1/PD-L1 inhibitor and at least 1 cycle of enfortumab vedotin within the period from June 1st 2022 to July 31st 2023

Who cannot join

  • Patients without histologically confirmed diagnosis of UC
  • Patients without histologically or radiologically confirmed metastatic disease

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Matteo Santoni, MD, PhD contact

+39 07332572960

mattymo@alice.it

Giulia Sorgentoni contact

sorgentoni.giulia@gmail.com

Italy1 site, 1 recruiting
  • Ospedale di Macerata, UOC Oncologia

    Province of Macerata, Macerata, 62100

    Matteo Santoni, MD, PhD

    Giulia Sorgentoni, PhD, +3907332573752, sorgentoni.giulia@gmail.com

    Recruiting

Other trials in Italy

About this study

The ARON-2 study retrospectively analyze patients treated with pembrolizumab as first-line therapy in patients platinum-unfit or as second-line therapy in patients progressed after previous platinum-based chemotherapy. The amendment has been designed to also analyze patients treated with enfortumab vedotin progressed to previous platinum-based chemotherapy and anti-PD-1/PD-L1 inhibitor.

Keywords
immunotherapy, real world experience, efficacy of pembrolizumab, artificial intelligence technology, Artificial Neural Network
Medical subject headings
Carcinoma, Transitional Cell

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Overall Survival (OS) of patients with metastatic Urothelial Cancer (UC) treated with pembrolizumab or enfortumab vedotin

    Measured: November 15th, 2023

  2. Progression-Free Survival (PFS) of patients with metastatic Urothelial Cancer (UC) treated with pembrolizumab or enfortumab vedotin

    Measured: November 15th, 2023

  3. Overall Response Rate (ORR) of patients with metastatic Urothelial Cancer (UC) treated with pembrolizumab or enfortumab vedotin

    Measured: November 15th, 2023

Secondary outcomes (1)
  1. prognostic role of smoking attitude, obesity and concomitant medications in patients treated with pembrolizumab or enfortumab vedotin

    Statistical analysis of data obtained by medical charts related to smoking attitude, obesity and concomitant medications in patients with metastatic UC treated with pembrolizumab or enfortumab vedotin

    Measured: November 15th, 2023

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 Mar 2022
  2. Study start17 Feb 2022
  3. Primary completion31 Dec 2023
  4. Study completion30 Sep 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Retrospective
Enrolment
367 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05290038
Sponsor's protocol ID
ARON-2
Status last verified
Mar 2025
First submitted
22 Feb 2022
Last updated
2 Apr 2025
Results posted
No
Data monitoring committee
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Mollica V, Massari F, Fujita K, Giannatempo P, Grande E, Buttner T, Bourlon MT, Taha T, Fukuokaya W, Myint ZW, Pichler R, Binz K, Molina-Cerrillo J, Kopecky J, de Liano AG, Kucharz J, Fiala O, Matrana MR, Kopp RM, Di Civita MA, Zgura A, Ansari J, Kihnel R, De Felice F, Angel M, Monteiro FSM, Soares A, Urun Y, Buti S, Santini D, Santoni M. Real-world effectiveness of avelumab, pembrolizumab, and enfortumab vedotin in patients with advanced urothelial carcinoma with squamous differentiation (ARON-2EV). Cancer Immunol Immunother. 2026 Mar 24;75(4):119. doi: 10.1007/s00262-026-04328-9.

    PubMed 41874648
  • Rizzo M, Morelli F, Urun Y, Buti S, Park SH, Bourlon MT, Grande E, Massari F, Landmesser J, Poprach A, Takeshita H, Roviello G, Myint ZW, Popovic L, Soares A, Abahssain H, Giannatempo P, Molina-Cerrillo J, Incorvaia L, Salah S, Zeppellini A, Monteiro FSM, Porta C, Gupta S, Santoni M. Real-Life Impact of Enfortumab Vedotin or Chemotherapy in the Sequential Treatment of Advanced Urothelial Carcinoma: The ARON-2 Retrospective Experience. Cancer Med. 2025 Feb;14(4):e70479. doi: 10.1002/cam4.70479.

    PubMed 39980145

Questions about this trial

What is this clinical trial studying?

An observational study of Urothelial Carcinoma, run by Matteo Santoni at 1 site in Italy.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 2 Apr 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Italy. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Matteo Santoni, MD, PhD (+39 07332572960, mattymo@alice.it), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Overall Survival (OS) of patients with metastatic Urothelial Cancer (UC) treated with pembrolizumab or enfortumab vedotin (time frame: November 15th, 2023). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05290038, which also lists 2 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Apr 2025.

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