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New lung cancer drug shows promise in japanese study

NCT ID NCT04155541

Disease control Sponsor: Pfizer Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested the safety and effectiveness of Vizimpro (dacomitinib) in 40 Japanese patients with EGFR-mutated non-small cell lung cancer that could not be surgically removed or had returned. Researchers tracked side effects, especially interstitial lung disease, and measured how well the drug shrank tumors. The study is now complete, and results will help doctors understand how Vizimpro works in real-world Japanese medical practice.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
dacomitinib (Vizimpro)
What this could lead to
If results are positive, this could confirm that Vizimpro is a safe and effective option for treating EGFR-mutated lung cancer in Japanese patients.
What could go wrong
This was a small, single-country study with only 40 patients, so findings may not apply to broader populations. Side effects like interstitial lung disease are a known risk.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

40 people

The number who actually took part.

Started

Jan 2020

Finished

Apr 2025

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The patient who meet the inclusion criteria and who were registered to this study within 84 days including the start date of treatment with this product will be subjects for this study.

Ages

0 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * patient with EGFR mutation-positive inoprable or recurrent NSCLC who have not received VIZIMPRO(dacomitinib hydrate) Exclusion Criteria: * Exclusion criteria is not provided in this study

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Conditions

The condition(s) this trial relates to.

non-small cell lung carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

EGFR mutation-positive inoperable or reccrent NSCLC

Contacts and locations

Locations

  • Pfizer Japan

    Tokyo, Japan