Trial · NCT04905888
Hyperbaric Oxygen for Long COVID-19 Pulmonary Sequela
NCT04905888, Phase 2, Withdrawn, Peter Lindholm
3 sourcestrials-2026-11-12-0.5.0
Cite this record
ConductScience Library. Hyperbaric Oxygen for Long COVID-19 Pulmonary Sequela. Trials, record NCT04905888. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04905888
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- Hyperbaric Oxygen for Long COVID-19 Pulmonary Sequela
- NCT number
- NCT04905888
- Status
- Withdrawn
- Phases
- Phase 2
- Enrollment
- 0 participants, actual
- Lead sponsor
- Peter Lindholm
- Conditions
- Covid19
- Interventions
- Hyperbaric oxygen therapy
- First posted
- 2021-05-28
- Last updated
- 2024-01-23
Source ClinicalTrials.gov
Registered outcomes7
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | Exercise tolerance | 3 months | Cardiopulmonary exercise testing with pulse oximetry and maximal oxygen uptake,VO2max (ml/kg/min) |
| Secondary | Excercise tolerance walk test | 3 months | 6 minute walk test, in meters |
| Secondary | Dyspnea perception 1 | 3 Months | UCSD Shortness of breath (SOB) 24 questions using a 0-6-point scale per question Total score (0-120) The higher the score the greater the dyspnea |
| Secondary | Dyspnea perception 2 | 3 Months | PROMIS dyspnea questionnaire/scales (Patient-Reported Outcomes Measurement Information System). Shortness of Breath in general (0-10) Intensity of Shortness of breath (0-10) Frequency of Shortness of breath (0-10) Duration of Shortness of breath (0-10) The higher the score the greater the dyspnea |
| Secondary | Pulmonary function test 1 | 3 months | Spirometry FEV1 (L) FEV1 %predicted FVC (L) FVC %predicted PEF (l/Min) PEF %predicted |
| Secondary | Pulmonary function test 2 | 3 months | Lung Diffusion Capacity DLCO (ml/min/mmHg) DLCO %predicted |
| Secondary | V̇A/Q̇ matching measured with magnetic resonance imaging | 3 months | pulmonary ventilation/perfusion matching with Lung heterogeneity expressed as relative dispersion in ventilation and perfusion. |
Source ClinicalTrials.gov
Outcomes0
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
None in this release.
Results by group0
Each measurement the trial posted, group by group, in the words and numbers it posted.
None in this release.
Participant flow0
How many started, completed or left each group, period by period.
None in this release.
Adverse events0
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
None in this release.
Adverse event totals0
The totals the trial posted for each group.
None in this release.
Papers0
The papers the trial lists on ClinicalTrials.gov.
None in this release.
Grants0
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
None in this release.
Trial comparisons0
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
None in this release.
Tests0
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
None in this release.
Data dates
The day each source was copied for this release.
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
- NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
For software
Read this trial from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/trials/v1/NCT04905888
GET https://conductscience.org/api/trials/v1/NCT04905888/registered