Can an antibiotic shorten chest tube time for cancer patients with lung fluid?
NCT ID NCT03465774
First seen Jun 27, 2026 · Last updated Sep 15, 2026 · Updated 2 times
Summary
This study looks at two ways to treat malignant pleural effusion, a buildup of fluid in the lungs caused by cancer. One uses a small tube (indwelling pleural catheter) to drain fluid; the other adds the antibiotic doxycycline to help seal the lung. Researchers want to see if adding doxycycline lets patients have the tube removed sooner. About 208 adults with cancer-related fluid buildup will take part.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- doxycycline
- What this could lead to
- If adding doxycycline works, patients may need the chest tube for a shorter time, reducing discomfort and infection risk.
- What could go wrong
- This is an early observational study, not a large randomized trial. Doxycycline may not speed up recovery and could cause side effects like pain or infection.
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
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About 208 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2018
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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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.
Who is studied
Outpatients with MPE undergoing IPC placement
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Outpatients with MPE undergoing IPC placement * Sufficient mental capacity to provide informed consent and answer Short-Form Six-Dimension health index (SF-6D) and Borg score questions * Inpatients that are expected to be discharged within 5 days of receiving an indwelling pleural catheter Exclusion Criteria: * Patients undergoing pleurodesis for benign disease (e.g., spontaneous pneumothorax) * Inability or unwillingness to give informed consent * Inability to perform phone call and clinical follow-up at MD Anderson Cancer Center (MDACC) * Pregnancy * Previous intrapleural therapy for MPE on the same side * Eastern Cooperative Oncology Group (ECOG) of 4 and life expectancy =\< 2 weeks * Doxycycline allergy * Extensive loculations or hydropneumothorax or other contraindication to pleurodesis * Chylous effusions associated with malignant disease
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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M D Anderson Cancer Center
RECRUITINGHouston, Texas, 77030, United States
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