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ThoracentesisNCT05131945

GRAvity- Versus Wall Suction-drIven Large Volume Thoracentesis: a RAndomized Controlled Study (GRAWITAS Study)

A study testing Standard Suction Thoracentesis and Gravity Thoracentesis in people with Thoracentesis and Pleural Effusions, Chronic, run by M.D. Anderson Cancer Center at 1 site in United States.

Completed

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

Official record
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Trial summary

The primary objective of this study is to compare gravity-driven versus wall suction-driven large volume therapeutic thoracentesis on the development of chest discomfort during the procedure. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Standard Suction Thoracentesis and Gravity Thoracentesis
Could I receive a placebo?
No, everyone receives an active treatment
How many people
79 participants
Where
1 siteUnited States
Study dates
10 Dec 2018to 10 Sep 2024
Phase
Interventional
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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Referral to pulmonary services for large-volume thoracentesis
  • Presence of a symptomatic moderate or large free-flowing (non-septated) pleural effusion on the basis of:
  • Chest radiograph: effusion filling ≥ 1/3 the hemithorax, OR
  • CT-scan: maximum AP depth of the effusion ≥ 1/3 of the AP dimension on the axial image superior to the hemidiaphragm, including atelectatic lung completely surrounded by effusion, OR Ultrasound: effusion spanning at least three interspaces, with depth of 3 cm or greater in at least one intercostal space, while the patient sits upright.
  • Age >/= 18

Who cannot join

  • Inability to provide informed consent
  • Study subject has any disease or condition that interferes with safe completion of the study including:
  • Coagulopathy, with criteria left at the discretion of the operator
  • Hemodynamic instability with systolic blood pressure <90 mmHg or heart rate > 120 beats/min, unless deemed to be stable with these values by the attending physicians
  • Pleural effusion is smaller than expected on bedside pre-procedure ultrasound
  • Referral is for diagnostic thoracentesis only
Show all 9Show fewer
  • Presence of more than minimal septations and/or loculations( more than 3) on bedside pre-procedure ultrasound
  • Inability to sit for the procedure
  • Pregnancy

Trial locations and contacts

1 site in 1 country.

United States1 site
  • M D Anderson Cancer Center

    Houston, Texas, 77051

Other trials in United States

About this study

The primary objective of this study is to compare gravity-driven versus wall suction-driven large volume therapeutic thoracentesis on the development of chest discomfort during the procedure.

This study is a multicenter, single-blinded, randomized controlled trial designed to compare chest discomfort between gravity-driven and wall suction-driven therapeutic thoracentesis. Patients will be stratified by study centers, and randomly assigned to intervention and control arms; and will remain blinding to their group assignment during the procedure.

Read the detailed description

Aims and Objectives:

The primary objective of this study is to compare gravity-driven versus wall suction-driven large volume therapeutic thoracentesis on the development of chest discomfort during the procedure.

Expected Outcomes:

We anticipate that gravity driven therapeutic thoracentesis will result in improved clinical outcomes compared to wall suction driven thoracentesis, defined by less chest discomfort throughout the procedure as measured at 5 minutes post-procedure (primary endpoint).

Primary endpoint:

The Global Pain Score will be determined at 5 minutes post-procedure using a VAS 0-100 and represents the pain experienced by the patient during the entire procedure from the beginning to the 5-minute post-procedure assessment ("On average, how much discomfort have you felt during the procedure?"). The primary endpoint is defined as the overall procedural chest pain scored 5 minutes following the procedure.

This study is a randomized controlled trial designed to compare the changes of chest pain scores between gravity-driven therapeutic thoracentesis and wall suction-driven thoracentesis. The estimated minimal clinically important difference of the change is 10.

Secondary endpoints:

  1. Duration of procedure timed from the beginning of fluid drainage to catheter removal.
  2. Differences in narcotics used after the procedure.
  3. Incidence of pneumothorax detected on the post procedural CXR
  4. Incidence of clinically apparent re-expansion pulmonary edema
  5. Incidence of radiographically apparent re-expansion pulmonary edema detected on the post procedural CXR
Being tested
Standard Suction Thoracentesis, Gravity Thoracentesis
Medical subject headings
Pleural Effusion, Bronchiolitis Obliterans Syndrome, Pulmonary Edema

What participants receive

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

  • Standard Suction ThoracentesisOther

    a procedure that removes excess fluid from the space in between your lungs and chest wall

  • Gravity ThoracentesisOther

    a procedure that removes excess fluid from the space in between your lungs and chest wall

Study groups in NCT05131945
Study groupRoleWhat they receive
Group 1: Standard Suction ThoracentesisExperimentaltreatment techniques suction is a standard of care and used for draining fluid around the lung.
Receives: Other: Standard Suction Thoracentesis; Other: Gravity Thoracentesis
Group 2: Gravity Thoracentesis.Experimentaltreatment techniques (gravity ) is a standard of care and used for draining fluid around the lung.
Receives: Other: Standard Suction Thoracentesis; Other: Gravity Thoracentesis

What is being measured

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

  1. The overall procedural chest pain questionnaire

    The Global Pain Score will be determined at 5 minutes post-procedure using a VAS 0-100 and represents the pain experienced by the patient during the entire procedure from the beginning to the 5-minute post-procedure assessment

    Measured: through study completion, an average of 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 posted23 Nov 2021
  2. Study start10 Dec 2018
  3. Primary completion10 Sep 2024
  4. Study completion10 Sep 2024

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 N/A
Primary purpose
Other
Allocation
Randomised
Intervention model
Single group
Masking
Single blind
Who is masked
Participant
Enrolment
79 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05131945
Sponsor's protocol ID
2018-0654
Other IDs
NCI-2021-13202
Status last verified
Sep 2024
First submitted
27 Oct 2021
Last updated
19 Sep 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Shojaee S, Pannu J, Yarmus L, Fantin A, MacRosty C, Bassett R Jr, Debiane L, DePew ZS, Faiz SA, Jimenez CA, Avasarala SK, Vakil E, DeMaio A, Bashoura L, Keshava K, Ferguson T, Adachi R, Eapen GA, Ost DE, Bashour S, Khan A, Shannon V, Sheshadri A, Casal RF, Evans SE, Pew K, Castaldo N, Balachandran DD, Patruno V, Lentz R, Pai C, Maldonado F, Roller L, Ma J, Zaveri J, Los J, Vaquero L, Ordonez E, Yermakhanova G, Akulian J, Burks C, Almario RR, Sauve M, Pettee J, Noor LZ, Arain MH, Grosu HB. Gravity- vs Wall Suction-Driven Large-Volume Thoracentesis: A Randomized Controlled Study. Chest. 2024 Dec;166(6):1573-1582. doi: 10.1016/j.chest.2024.05.046. Epub 2024 Jul 18.

    PubMed 39029784

Questions about this trial

What is this clinical trial studying?

A study testing Standard Suction Thoracentesis and Gravity Thoracentesis in people with Thoracentesis and Pleural Effusions, Chronic, run by M.D. Anderson Cancer Center at 1 site in United States.

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 5 inclusion and 9 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 19 Sep 2024. 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 United States. 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.

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 overall procedural chest pain questionnaire (time frame: through study completion, an average of 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 NCT05131945, 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 19 Sep 2024; AzTrials last refreshed its copy on 26 Oct 2026.

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