Other Clinical Trial - Hyperbaric Oxygen for Long COVID-19 Pulmonary

Status Withdrawn

Clinical Trial Summary

This is a pilot study in 24 subjects where half will be randomized to 10 treatments with hyperbaric oxygen (HBO). It will primarily study pulmonary sequelae with imaging and physiological measurements (low dose chest computer tomography (CT), Ventilation/perfusion with magnetic resonance imaging (VA/Q MRI), cardiopulmonary exercise testing with pulse oximetry (SpO2) and spirometry including diffusion capacity for carbon monoxide (DLCO). The target patient group will be previously healthy whom have had covid-19 with lingering symptoms past 12 weeks of recovery from the acute phase.

Clinical Trial Description

Long COVID or Post-Acute Sequelae of SARS-CoV-2 infection (PASC) is current terms for patients demonstrating fatigue, chest pain, exertion malaise, dyspnea, cognitive dysfunction, and headaches, just to name a few symptoms that can last more than 12-weeks after the initial infection of SARS-CoV-2. Pulmonary symptoms of dyspnea and exercise intolerance may be due to pulmonary gas exchange derangement, which could be from hypoxic pulmonary vasoconstriction (HPV) inhibition due to lingering inflammatory processes. Hyperbaric oxygen (HBO) has known anti-inflammatory effects, shown in multiple organ systems, and recently reported in case studies to improve outcomes of acute COVID-19 pneumonitis. If there is pulmonary inflammation it is possible that HBO can improve pulmonary gas exchange by restoring HPV. To test this hypothesis, we plan to perform a mechanistic study on V̇A/Q̇ matching in Long COVID patients with lingering pulmonary symptoms. The etiology of symptoms is unknown, but it is probable that the inflammatory processes associated with COVID-19 may inhibit HPV. This is an open, randomized, controlled clinical trial with hyperbaric oxygen therapy delivered by a hyperbaric chamber as the intervention. Twelve patients will receive ten HBO therapy (HBOT) over a 2-3-week period, and twelve patients will serve as controls and receive no HBOT. Each HBOT session will administer oxygen (O2) at 2.4 atmospheres absolute pressure (ATA) (100% O2) for 90 minutes in a hyperbaric chamber. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04905888
Study type	Interventional
Source	University of California, San Diego
Contact
Status	Withdrawn
Phase	Phase 2
Start date	November 8, 2021
Completion date	December 31, 2023

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Hyperbaric Oxygen for Long COVID-19 Pulmonary Sequela

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms