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Bladder CancerNCT07735858

Microfluidic Urinary Exosome-Based Diagnostic Model for Bladder Cancer

An observational study of Bladder Cancer, run by Cancer Institute and Hospital, Chinese Academy of Medical Sciences at 1 site in China.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

Bladder cancer is one of the most common malignancies of the urinary system and is characterized by high recurrence rates and poor long-term outcomes. Early detection and accurate diagnosis are essential for improving clinical management. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Bladder Cancer
What is being tested?
Liquid biopsy
How many people
300 participants
Where
1 siteChina
Study dates
1 Oct 2025to 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
  • Adult, Older adult

Study population: Bladder cancer or other urinary diseases and healthy individuals

Who may be able to join

  • 1. Age ≥18 years.
  • 2. Patients with bladder cancer confirmed by pathological examination.
  • 3. Patients with benign urological diseases confirmed by clinical evaluation.
  • 4. Ability to provide urine samples and relevant clinical information.
  • 5. Written informed consent provided.

Who cannot join

  • 1. History of other malignant tumors, except participants specifically included in the validation cohort.
  • 2. Severe organ dysfunction.
  • 3. Glomerulonephritis.
  • 4. Recent significant urinary tract injury.
  • 5. Inadequate urine sample availability.

Trial locations and contacts

1 site in 1 country.

China1 site
  • Cancer Hospital, Chinese Academy of Medical Sciences

    Beijing, Beijing Municipality, 100021

Other trials in China

About this study

Official title: Development and Prospective Validation of a Precision Diagnostic Model for Bladder Cancer Based on Microfluidic Isolation and Multiplex Detection of Urinary Exosomes

Bladder cancer is one of the most common malignancies of the urinary system and is characterized by high recurrence rates and poor long-term outcomes. Early detection and accurate diagnosis are essential for improving clinical management.

This prospective diagnostic accuracy study aims to develop and validate a precision diagnostic model for bladder cancer based on microfluidic isolation and multiplex detection of urinary exosomes.

Read more

A novel microfluidic platform will be developed for rapid and efficient urinary exosome enrichment. Multi-omics approaches, including RNA sequencing and proteomic profiling, will be used to identify bladder cancer-associated urinary exosome biomarkers. A multiplex microfluidic detection chip will subsequently be developed for simultaneous detection of multiple biomarkers.

A diagnostic model integrating urinary exosome biomarker profiles and clinical characteristics will be developed in a training cohort and prospectively validated in an independent cohort. Diagnostic performance will be evaluated using pathological diagnosis as the reference standard.

This study aims to establish a non-invasive, rapid, and accurate diagnostic strategy for bladder cancer.

Read the detailed description

This study aims to establish and validate a urinary exosome-based diagnostic model for bladder cancer using microfluidic technologies.

The study consists of four stages:

First, a novel microfluidic urinary exosome isolation platform will be developed using magnetic stirring-assisted resuspension and tangential flow washing technologies to improve exosome recovery efficiency.

Second, bladder cancer-associated urinary exosome biomarkers will be identified using transcriptomic and proteomic approaches. Candidate nucleic acid and protein biomarkers will be screened and validated.

Third, a multiplex microfluidic detection chip will be developed to enable simultaneous detection of multiple urinary exosome-derived biomarkers.

Fourth, a diagnostic model integrating biomarker expression profiles and clinical characteristics will be constructed in a training cohort and prospectively validated in an independent cohort.

Pathological diagnosis will serve as the reference standard for evaluating diagnostic performance.

Conditions
Bladder Cancer
Being tested
Liquid biopsy
Medical subject headings
Urinary Bladder Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Liquid biopsyDiagnostic test

    Liquid biopsy

Study groups in NCT07735858
Study groupRoleWhat they receive
Bladder Cancer CohortParticipants with pathologically confirmed bladder cancer, including non-muscle-invasive bladder cancer (Ta and T1) and muscle-invasive bladder cancer (≥T2).
Receives: Diagnostic Test: Liquid biopsy
Benign Urological Disease Control CohortParticipants diagnosed with benign urological diseases without evidence of malignancy.
Receives: Diagnostic Test: Liquid biopsy
Other Urological Malignancy CohortParticipants with other urinary system malignancies included for evaluation of diagnostic specificity during the validation phase.
Receives: Diagnostic Test: Liquid biopsy

What is being measured

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

  1. Diagnostic accuracy of urinary exosome-based model for bladder cancer detection

    The primary outcome is the diagnostic performance of the urinary exosome-based model compared with pathological diagnosis as the reference standard.

    Measured: At completion of prospective validation (September 2027)

Timeline

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

  1. First posted30 Jul 2026
  2. Study start1 Oct 2025
  3. Primary completionSep 2027 (estimated)
  4. Study completionSep 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
Prospective
Enrolment
300 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07735858
Sponsor's protocol ID
NCC5508
Other IDs
25/4165362
Status last verified
Jul 2026
First submitted
25 Jul 2026
Last updated
30 Jul 2026
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

An observational study of Bladder Cancer, run by Cancer Institute and Hospital, Chinese Academy of Medical Sciences at 1 site in China.

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 5 inclusion and 5 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: under way, not looking for participants, as of the sponsor's last update on 30 Jul 2026. 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 China. 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?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Diagnostic accuracy of urinary exosome-based model for bladder cancer detection (time frame: At completion of prospective validation (September 2027)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 30 Jul 2026.

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