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New hope for brain lining cancer: spinal tap chemo after targeted drug fails

NCT ID NCT06296745

Disease control Sponsor: Guangzhou Medical University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a chemotherapy drug called pemetrexed, given directly into the spinal fluid, for people with a specific type of lung cancer that has spread to the lining of the brain and spinal cord. The cancer must have gotten worse even after taking a high dose of a targeted therapy like osimertinib. The goal is to see if this treatment is safe and can control the cancer in the brain lining.

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.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 36 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2025

Expected to finish

Mar 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Ages

18 to 75 years

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: 1. Male or female aged between 18 and 75 years. 2. Histologically or cytologically confirmed diagnosis of NSCLC with single activating EGFR mutations (L858R or Exon19Del). 3. Confirmed diagnosis of leptomeningeal metastasis according to ESMO/ EANO guidelines. 4. Progression after previous double doses of third-generation TKIs such as Osimertinib. 5. Normal liver and kidney function; WBC≥4000/mm3, Plt≥100000/mm3. 6. No history of severe nervous system disease. 7. No severe dyscrasia. Exclusion Criteria: 1. Any evidence of nervous system failure, including severe encephalopathy, grade 3 or 4 leukoencephalopathy on imaging, and Glasgow Coma Score less than 11. 2. Any evidence of extensive and lethal progressive systemic diseases without effective treatment. 3. Patients with poor compliance or other reasons that were unsuitable for this study

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Conditions

The condition(s) this trial relates to.

Meningeal Carcinomatosis neoplastic meningitis non-small cell lung carcinoma

As listed by the trial registrant

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

Leptomeningeal metastasis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • The Affiliated Huizhou Hospital, Guangzhou Medical University

    RECRUITING

    Huizhou, Guangdong, 516000, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.