AzTrials
AzTrials

Muscle Invasive Bladder Urothelial CarcinomaPhase 2NCT06257017

Surveillance of the Genetic Signature in Circulating Tumor DNA for Guiding Adjuvant Chemotherapy in Urothelial Carcinoma

A Phase 2 study testing gemcitabine and Cisplatin in people with Muscle Invasive Bladder Urothelial Carcinoma and Muscle-Invasive Bladder Carcinoma, run by Yung NA at 1 site in Hong Kong.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

Urothelial carcinomas are one of the most commonly diagnosed cancers worldwide. Postoperative patients carry a poor prognosis with an estimated five-year disease-specific survival rate of 50%. To improve overall survival and reduce the recurrent risk, chemotherapy is recommended as a standard of care. Read more about this study

Who is it for?
Ages 18 to 70 years
What is being tested?
gemcitabine and Cisplatin
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
15 participants
Where
1 siteHong Kong
Study dates
2 Feb 2024to 22 Aug 2026
Phase
Phase 2
Are there results?
None posted in the registry

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 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • aged 18-70 years old;
  • a score of ≤1 for the Eastern Cooperative Oncology Group (ECOG) Performance Status;
  • receiving radical cystectomy (with lymph node dissection) or nephroureterectomy;
  • histologically confirmed (surgical specimen) muscle invasive urothelial carcinoma, and the major histological type should be transitional cell carcinoma;
  • Classification of tumour, node and metastasis (TNM): pT2-4a N0-2M0;
  • absence of microscopic (i.e., positive margin) or gross residual of the tumor (R0 resection) and absence of metastasis, confirmed by a negative CT or MRI scan of pelvis, abdomen and chest within 4 weeks prior to enrolment;
Show all 17Show fewer
  • adequate hematologic and end-organ function, defined by the following laboratory results obtained within 28 days prior to the first study treatment:
  • ANC≥1500 cells/μL (without granulocyte colony-stimulating factor support within 2 weeks prior to Cycle 1, Day 1)
  • WBC counts > 2500 cells/μL
  • Lymphocyte count ≥ 300 cells/μL
  • Platelet count ≥ 100,000 cells/μL (without transfusion within 2 weeks prior to Cycle 1, Day 1)
  • Hemoglobin ≥ 9.0 g/dL
  • AST, ALT, and alkaline phosphatase ≤ 2.5 × the upper limit of normal (ULN),
  • PTT ≤ 1.5 × ULN
  • PT ≤ 1.5 × ULN or INR < 1.7
  • Calculated creatinine clearance ≥ 30 mL/min (Cockcroft-Gault formula)
  • able to understand and provide written informed consent, and agree to receive the treatment arrangement and study procedures stated in the informed consent

Who cannot join

  • receiving any approved anti-cancer treatment within 3 weeks prior to study enrolment;
  • participation in another clinical trial with therapeutic intent within 28 days prior to enrolment;
  • suffering from malignancies other than urothelial carcinoma within 5 years prior to study enrolment;
  • conditions that contraindicate chemotherapy, such as renal impairment with creatinine clearance rate (CCr) <50 mL/min, hearing impairment, and inadequate marrow function;
  • anaphylactic or hypersensitivity reactions or other contraindication to cisplatin and gemcitabine;
  • active or uncontrolled infections, including human immunodeficiency virus (HIV), hepatitis B virus (HBV), hepatitis C virus (HCV), or tuberculosis;
  • pregnancy or breastfeeding.

Trial locations and contacts

1 site in 1 country.

Hong Kong1 site
  • Queen Mary Hospital

    Hong Kong, Hong Kong

Other trials in Hong Kong

About this study

Official title: Surveillance of the Genetic Signature in Circulating Tumor DNA for Guiding Adjuvant Chemotherapy in Urothelial Carcinoma: A Pilot Randomized Controlled Trial

Urothelial carcinomas are one of the most commonly diagnosed cancers worldwide. Postoperative patients carry a poor prognosis with an estimated five-year disease-specific survival rate of 50%. To improve overall survival and reduce the recurrent risk, chemotherapy is recommended as a standard of care. However, currently in Hong Kong, neoadjuvant (preoperational) chemotherapy and adjuvant (postoperative) chemotherapy are not commonly or regularly provided due to the concern of the potential harm from both physicians and patients. Recently, genetic signature from circulating tumor DNA (ctDNA) is emerging as a pivotal biomarker for detecting caner in early stage and molecular residual disease (MRD). With strengths of non-invasive and superior sensitivity, ctDNA is hopefully to serve as a cancer-agnostic surrogate analyte for risk stratification of tumor recurrence, thereby guiding individually tailored treatment. Therefore, this study is proposed to exploratively assess the benefit of ctDNA-guided approach for postoperative adjuvant therapy.

Being tested
gemcitabine, Cisplatin
Keywords
circulating tumor DNA, ctDNA, molecular residual disease

What participants receive

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

  • gemcitabineDrug

    1,000 mg/m2 intravenous gemcitabine on day 1 and day 8

  • CisplatinDrug

    70 mg/m2 intravenous cisplatin (split into 2 doses on day 1 and day 8)

Study groups in NCT06257017
Study groupRoleWhat they receive
Gemcitabine plus cisplatin chemotherapy arm (GC arm)ExperimentalPatients in this group will receive adjuvant chemotherapy of gemcitabine and cisplatin, prior to radiological progression
Receives: Drug: gemcitabine; Drug: Cisplatin
Standard management arm (SM arm)OtherPatients in this group will receive chemotherapy of gemcitabine and cisplatin only after radiological progression is observed
Receives: Drug: gemcitabine; Drug: Cisplatin

What is being measured

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

  1. the radiational disease-free survival (rDFS)

    Measured: 1 year

Secondary outcomes (3)
  1. Progression Free Survival (PFS)

    time to recurrence

    Measured: 1 year

  2. Overall Survival (OS)

    Measured: 5 year

  3. ctDNA clearance rate in ctDNA(+) patients

    Measured: 1 year

Timeline

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

  1. First posted13 Feb 2024
  2. Study start2 Feb 2024
  3. Primary completion30 Sep 2025
  4. Study completion22 Aug 2026

Resources

More details

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

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
15 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06257017
Sponsor's protocol ID
HKURO202401
Status last verified
Oct 2026
First submitted
5 Feb 2024
Last updated
28 Oct 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Zhan Y, Ruan X, Wu Y, Chun TTS, Yao C, Shi R, Liu J, Ali S, Ma R, Huang D, Gao Y, Xu Y, Chen L, Du Q, Ng AT, Li CWB, Xu D, Na R. Surveillance of the Genetic Signature in Circulating Tumor DNA for Guiding Adjuvant Chemotherapy in Urothelial Carcinoma: Protocol for a Pilot Randomized Controlled Trial. JMIR Res Protoc. 2025 Aug 26;14:e72597. doi: 10.2196/72597.

    PubMed 40857715

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing gemcitabine and Cisplatin in people with Muscle Invasive Bladder Urothelial Carcinoma and Muscle-Invasive Bladder Carcinoma, run by Yung NA at 1 site in Hong Kong.

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 17 inclusion and 7 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: finished, as of the sponsor's last update on 28 Oct 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 Hong Kong. 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.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

the radiational disease-free survival (rDFS) (time frame: 1 year). 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 NCT06257017, which also lists 1 linked publication.

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 28 Oct 2026.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in