Trial Watch: Testing Shorter Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients Receiving the Usual Chemotherapy Treatment for Bladder Cancer, ARCHER Study

Research type: Later-Stage HumanRegulatory status: InvestigationalGuideline status: Not addressed

Important context

In plain English

The 30-second version

What happened?

ClinicalTrials.gov confirms that this Phase 3 study is registered and currently listed as Recruiting. This establishes the study's existence and registry-reported design/status, not a treatment benefit.

Why does it matter?

Phase 3 trials can contribute later-stage human evidence. CancerDiscoveries can track this record as results and regulatory information emerge.

What does this not prove?

A registered trial is not proof that the intervention works, is not FDA approval for this cancer or use, and is not a clinical-guideline recommendation.

Keep reading for evidence stage, limitations, study details, and sources.

What changed: ClinicalTrials.gov lists Testing Shorter Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients Receiving the Usual Chemotherapy Treatment for Bladder Cancer, ARCHER Study (NCT07097142) as a Phase 3 interventional cancer study. The registry status is Recruiting, with the record last updated 2026-10-23.

Study snapshot: Phase 3; Recruiting; planned enrollment 486. Conditions listed: Muscle Invasive Bladder Urothelial Carcinoma, Stage II Bladder Cancer AJCC v8, Stage IIIA Bladder Cancer AJCC v8. A primary outcome listed by the registry is: Bladder-intact event-free survival (BI-EFS).

This entry tracks verified trial-registry facts. Trial registration by itself does not show that an intervention is effective, safe for a particular person, FDA-approved for this use, or recommended by clinical guidelines.

Population / Applicability

Studied in: Participants age 18 Years and older with Muscle Invasive Bladder Urothelial Carcinoma, Stage II Bladder Cancer AJCC v8, Stage IIIA Bladder Cancer AJCC v8 who meet the study-specific registry eligibility criteria. (Adults)

Eligibility is study-specific. Registry information does not determine whether any individual should enroll in or receive the intervention.

Full evidence details
Study design
Other / not applicable
Sample size
486
Primary outcome
Bladder-intact event-free survival (BI-EFS)
Replication
Unknown

Funding & Conflicts

ClinicalTrials.gov lists the lead sponsor as NRG Oncology. Sponsorship is reported for transparency and does not establish efficacy.

Regulatory status by jurisdiction

Unspecified jurisdiction

Status
Investigational
Last verified
2026-10-23

Cancer-type scope for this record is not yet recorded.

Guideline positions

Guideline

Position
Not addressed
Last verified
2026-10-23

Primary evidence supporting this story

Last reviewed

Trial Watch: Testing Shorter Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients Receiving the Usual Chemotherapy Treatment for Bladder Cancer, ARCHER Study

https://cancerdiscoveries.com/discoveries/trial-watch-testing-shorter-duration-radiation-therapy-versus-the-usual-radiation-therapy-in-patients-receiving-the-usual-chemotherapy-treatment-for-bladder-cancer-archer-study/

Research type: Later-Stage Human

What This Means

ClinicalTrials.gov confirms that this Phase 3 study is registered and currently listed as Recruiting. This establishes the study's existence and registry-reported design/status, not a treatment benefit.

What This Doesn't Mean

A registered trial is not proof that the intervention works, is not FDA approval for this cancer or use, and is not a clinical-guideline recommendation.

Why It Matters

Phase 3 trials can contribute later-stage human evidence. CancerDiscoveries can track this record as results and regulatory information emerge.

Important Limitations

  • Clinical-trial participation has study-specific eligibility criteria; registry listing does not mean a person qualifies or should enroll.

Primary sources

  • ClinicalTrials.gov — NCT07097142 — https://clinicaltrials.gov/study/NCT07097142 (NCT07097142)

Date verified: 2026-10-23

Correction status: No correction or retraction