Hyperbaric Oxygen Radiation Tissue Injury Study - VII (Laryngeal radionecrosis)

ISRCTN ISRCTN01022468
DOI https://doi.org/10.1186/ISRCTN01022468
ClinicalTrials.gov number NCT00134628
Secondary identifying numbers N/A
Submission date
16/09/2008
Registration date
17/10/2008
Last edited
17/01/2019
Recruitment status
Stopped
Overall study status
Stopped
Condition category
Injury, Occupational Diseases, Poisoning
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Not provided at time of registration

Study website

Contact information

Mr Richard Clarke
Scientific

Baromedical Research Foundation
5 Richland Medical Park
Columbia
29203
United States of America

Phone +1 803 434 7101
Email dick.clarke@palmettohealth.org

Study information

Study designDouble-blind randomised placebo-controlled multi-centre trial, with cross-over option
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeTreatment
Participant information sheet Not available in web format, please use the contact details to request a patient information sheet
Scientific titleHyperbaric Oxygen Radiation Tissue Injury Study - VII (Laryngeal radionecrosis)
Study acronymHORTIS - VII
Study objectivesThe principle objective of this research is to more precisely determine the degree of benefit that hyperbaric oxygen therapy affords in the treatment of late radiation tissue injury.

The study has eight components. Seven involve evaluation of established radionecrosis at varying anatomic sites (mandible, larynx, skin, bladder, rectum, colon, and GYN). The eighth will investigate the potential of hyperbaric oxygen therapy to prophylax against late radiation tissue injury. This seventh study HORTIS-VII will focus on patients with radiation laryngitis.

This study will also generate more precise “Benchmarking” data as to the complications associated with hyperbaric exposure, including incidence and degree of morbidity.

All HORTIS trials that have been registered with ISRCTN can be found at: https://www.isrctn.com/search?q=HORTIS
Ethics approval(s)The study was approved by the Palmetto Health, Richland IRB in 2002 (ref: 2002-17).
Health condition(s) or problem(s) studiedRadiation laryngitis
InterventionPatients will be initially randomised to receive either oxygen at 2.0 atmospheres absolute (ATA), or air at 1.0 ATA.

The therapeutic algorithm is personalized to each patient's degree of response at specific points during their course of hyperbaric exposure. The total number of exposures will vary from between 20 and 40.

Following a 30-day observation/"wash out" period, the allocation assignment will be opened. Patients randomized to the 1.0 ATA air group will be offered the opportunity to cross-over to the 2.0 ATA oxygen arm. The offer is mandatory, not so the requirement of the patient to cross-over. A therapeutic algorithm identical to the first randomization will be undertaken during any subsequent cross-over phase.
Intervention typeOther
Primary outcome measureThe following will be assessed at pre-treatment, 3 and 6 months, 1, 2, 3, 4 and 5 years post-treatment:
1. Subjective Objective Signs Management and Analysis/Late Effect of Normal Tissue (SOMA/LENT) scores
2. Clinical evaluation
Secondary outcome measuresQuality of Life, assessed by the Expanded Prostate Cancer Index Composite (EPIC) questionnaire at pre-treatment, 3 and 6 months, 1, 2, 3, 4 and 5 years post-treatment.
Overall study start date04/02/2004
Completion date21/07/2012
Reason abandoned (if study stopped)Lack of funding/sponsorship

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexBoth
Target number of participants42
Key inclusion criteria1. Both males and females between the ages of 18 and 70 years
2. Patients whose cancer treatment included radiotherapy and who have developed late radiation tissue injury, manifesting as one or more of the diagnostic criteria listed below:
2.1. Endarteritis
2.2. Hypocellularity
2.3. Hypovascularity
2.4. Vascular congestion
2.3. Telangiectasis
2.4. Oedema
2.5. Pain
2.6. Fistula
2.7. Hoarseness
2.8. Odyrophagia
2.9. Persistent cough
2.10. Airway obstruction
2.11. Airway compromise
2.12. Erythema
2.13. Necrosis
2.14. Cord motility impairment
2.15. Cord fixation
2.16. Tissue hypoxia
Key exclusion criteria1. Pregnancy
2. Reactive airway disease
3. Radiographic evidence of pulmonary blebs or bullae
4. Untreated pneumothorax
5. Previously documented ejection fraction less than 35%
6. History of seizures (except childhood febrile seizures)
7. Cardiovascular instability
8. Mechanical ventilator support
9. Unable to follow simple commands
10. Not orientated to person, place, time
11. Participating as a subject in any other medical or biomedical research project (if previously involved as a subject, sufficient time must have elapsed to permit "wash out" of any investigational agent)
Date of first enrolment04/02/2004
Date of final enrolment21/07/2012

Locations

Countries of recruitment

  • Australia
  • Mexico
  • South Africa
  • Türkiye
  • United States of America

Study participating centre

Baromedical Research Foundation
Columbia
29203
United States of America

Sponsor information

Baromedical Research Foundation (USA)
Industry

5 Richland Medical Park
Columbia
29203
United States of America

Phone +1 (0)803 434 7101
Email ktaylor@baromedicalresearch.org
Website http://www.baromedicalresearch.org

Funders

Funder type

Industry

National Baromedical Services, Inc (USA)

No information available

The Lotte and John Hecht Memorial Foundation (Canada)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/09/2008 17/01/2019 Yes No

Editorial Notes

17/01/2019: The trial was stopped due to lack of funding. One arm was completed and published - publication reference added.