NCT06384885

Brief Summary

Swimming-induced pulmonary edema (SIPE) is a potentially life-threatening condition that can affect swimmers of all abilities. The pathophysiology is not well understood and early identification strategies are not established. Handheld ultrasound is a validated tool for the identification of pulmonary edema and is not well-studied in this population. Understanding the incidence of signs of pulmonary edema and its usefulness as a sign of early pulmonary edema would be beneficial This study evaluates triathletes and open water swimmers at endurance events. A validated protocol for lung ultrasound is used to identify the signs of pulmonary edema. The findings will be analyzed for differences in experience level, type of athlete, gender, age, and environmental factors. The findings may then be used in the future to aid in the early identification and treatment of athletes and military personnel in similar situations to decrease morbidity and mortality.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
300

participants targeted

Target at P75+ for all trials

Timeline
7mo left

Started Apr 2024

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress78%
Apr 2024Dec 2026

Study Start

First participant enrolled

April 15, 2024

Completed
7 days until next milestone

First Submitted

Initial submission to the registry

April 22, 2024

Completed
3 days until next milestone

First Posted

Study publicly available on registry

April 25, 2024

Completed
2.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2026

Expected
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Last Updated

July 31, 2025

Status Verified

July 1, 2025

Enrollment Period

2.1 years

First QC Date

April 22, 2024

Last Update Submit

July 28, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Lung ultrasound

    Evaluate for significant amount of B lines

    at triathlon- immediately after race

Study Arms (1)

Triathletes/Open water swimmers

Triathletes and open water swimmers in events at Boulder Ironman, St George Ironman and Without limits swim events

Diagnostic Test: Ultrasound

Interventions

UltrasoundDIAGNOSTIC_TEST

Lung ultrasound

Triathletes/Open water swimmers

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Triathletes and open water swimmers at participating races.

You may qualify if:

  • Participants must be Athletes competing in the event
  • Must have engaged in a portion of the swimming leg of the race

You may not qualify if:

  • \- Any acutely decompensating patient who requires focused medical care and evacuation as determined by race physicians
  • Patients who are pregnant
  • Patients less than 18 years of age
  • Athletes who did not participate in the swim portion

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Rocky Vista University

Parker, Colorado, 80012, United States

RECRUITING

Related Publications (6)

  • Morgan WJ, Taussig LM. The chronic bronchitis complex in children. Pediatr Clin North Am. 1984 Aug;31(4):851-64. doi: 10.1016/s0031-3955(16)34649-1.

    PMID: 6146959BACKGROUND
  • Toker C. Observations on the ultrastructure of a mammary ductule. J Ultrastruct Res. 1967 Nov;21(1):9-25. doi: 10.1016/s0022-5320(67)80003-0. No abstract available.

    PMID: 5583207BACKGROUND
  • Peirce EC 2nd. A comparison of the Lande-Edwards, the Peirce, and the General Electric-Peirce membrane lungs. Trans Am Soc Artif Intern Organs. 1970;16:358-64. No abstract available.

    PMID: 5454185BACKGROUND
  • Hardstedt M, Seiler C, Kristiansson L, Lundeqvist D, Klingberg C, Braman Eriksson A. Swimming-Induced Pulmonary Edema: Diagnostic Criteria Validated by Lung Ultrasound. Chest. 2020 Oct;158(4):1586-1595. doi: 10.1016/j.chest.2020.04.028. Epub 2020 Apr 28.

    PMID: 32360726BACKGROUND
  • Woollard KV. The Quality in Australian Health Care Study. Med J Aust. 1996 Mar 4;164(5):315. doi: 10.5694/j.1326-5377.1996.tb94205.x. No abstract available.

    PMID: 8628172BACKGROUND
  • Wester TE, Cherry AD, Pollock NW, Freiberger JJ, Natoli MJ, Schinazi EA, Doar PO, Boso AE, Alford EL, Walker AJ, Uguccioni DM, Kernagis D, Moon RE. Effects of head and body cooling on hemodynamics during immersed prone exercise at 1 ATA. J Appl Physiol (1985). 2009 Feb;106(2):691-700. doi: 10.1152/japplphysiol.91237.2008. Epub 2008 Nov 20.

    PMID: 19023017BACKGROUND

MeSH Terms

Interventions

Ultrasonography

Intervention Hierarchy (Ancestors)

Diagnostic ImagingDiagnostic Techniques and ProceduresDiagnosis

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
1 Day
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 22, 2024

First Posted

April 25, 2024

Study Start

April 15, 2024

Primary Completion (Estimated)

June 1, 2026

Study Completion (Estimated)

December 1, 2026

Last Updated

July 31, 2025

Record last verified: 2025-07

Data Sharing

IPD Sharing
Will share

Make available to other researchers of open water events through academic sports medicine channels

Shared Documents
STUDY PROTOCOL
Time Frame
starting 2025 and ongoing
Access Criteria
They will need to contact us to share data

Locations