The Effects of Hyperbaric Oxygen on Rheumatoid Arthritis

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

14 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-01-19

Study Completion Date

2019-04-10

Brief Summary

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The purpose of this investigation is to determine the effects and ease of using hyperbaric oxygen therapy HBO2 for the treatment of rheumatoid arthritis joint pain and prevention of disease progression. In this study it is our intention to not only evaluate effects and ease of treatment but time, cost, possible adverse events and effect size in an attempt to predict an appropriate sample size and improve on the study design prior to a more extensive study.

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Detailed Description

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Rheumatoid arthritis (RA) is a chronic, systemic, inflammatory disorder of unknown etiology that primarily involves synovial joints, typically symmetrically. If untreated and/or uncontrolled, joint destruction due to erosion of cartilage and bone can cause joint destruction, joint deformities, loss of physical function, severe disability, and difficulties maintaining employment. American College of Rheumatology (ACR)/EULAR 2010 classification criteria is a score-based algorithm which adds scores of 4 categories including, joint involvement, serology, acute-phase reactants and duration of symptoms. A score of \>6/10 is needed for classification of a patient as having definite RA.

Non-pharmacologic and supplementary therapies include patient education, rest, exercise, nutrition counseling, cardiovascular disease risk reduction, and immunizations to decrease risk of infectious complications of immunosuppression. These are important in the comprehensive management of RA in all stages of disease and are used in addition to drug therapy.

Pharmacologic therapies typically start with a disease-modifying anti-rheumatic drug (DMARD), preferably as soon as possible after diagnosis. DMARDs are commonly used in combination with anti-inflammatory drugs such as non-steroidal anti-inflammatory drugs (NSAIDs) and glucocorticoids which are often used as bridging therapies until the DMARDs become effective. The goal is disease remission. To assess response, disease activity scores are used along with inflammatory markers.

Three patients with active RA treated in the multi-place hyperbaric facility at David Grant Medical Center (DGMC), Travis Air Force Base, California, for non RA-related indications, all noted significant improvement in arthralgias, sleep patterns and overall well-being during the course of therapy. Two were treated at 2 atmospheres absolute (ATA) oxygen for 90 minutes daily Monday through Friday. One patient received 2 ATA air on the same treatment protocol as a participant in a research study, and a subsequent course of hyperbaric oxygen (HBO2) at 2 ATA.

This is a pilot study. Patients will be recruited through the Rheumatologists, IRB-approved HIPAA waiver to contact patients that have been seen in the military treatment facility (MTF) within the past year with a diagnosis of RA, flyers in the Rheumatology Clinic or thru Commander Calls.

During the initial screening visit:

The rheumatologist will discuss the trial and at this point the subject will be consented and the inclusion/exclusion criteria will be reviewed. If subject qualifies they will see the Hyperbaric physician who will do physical examination to determine if it is safe for the subject to receive HBO2. An human chorionic gonadotrophin (HCG) by point of care testing (POCT) will be completed by the coordinator in women capable of pregnancy. After this exam is done the subject will be scheduled for a trial Hyperbaric session.

Baseline visit will be done after the subject has tolerated the trial hyperbaric session. This visit includes:

1. A visit with the rheumatologist to do routine assessments to establish baseline measurement using the Disease Activity Scale (DAS28)
2. Labs (CRP and Erythrocyte Sedimentation Rate (ESR), basic metabolic panel (BMP) and microparticles), will be completed. Magnetic resonance imaging (MRI) with and without contrast and ultrasound will be done on both hands from wrists to proximal phalanges the wrist. BMP is done pre-MRI to guarantee adequate kidney function.
3. Subjective patient reporting will be captured using the Routine Assessment of Patient Index Data (RAPID 3)
4. Sleep quality will be tracked using the Pain and Sleep Quality Questionnaire (PSQ-3).
5. Visual Analog Scores (VAS) for pain will be tracked.
6. Surveys will be done by a study team member

The subject at this time will be scheduled to start HBO2 treatments. Screening, baseline, first HBO2 treatment all in one month. Participants will complete 30 sessions within 10 weeks.

If the subject reports pain relief (\> 40% or zero pain) during the HBO2 treatments the will be referred to the rheumatologist for assessment. Pain improvement will be based on a pain assessment (1-10 scale reported verbally) at hyperbaric treatment visits. Labs will be drawn at this time. RAPID 3, PSQ-3 and VAS will be done at least six times while undergoing HBO2 treatment to track subject progress. Labs (CRP, ESR, microparticles) will be repeated at the conclusion of the HBO2 treatments.

At the month 3 and month 6 visit (+/- 2 week window) the subject will see the rheumatologist to track disease activity using the DAS-28. The date of the visit will be scheduled for three and six months from the baseline visit. The rheumatologist will order the MRI, ultrasound and lab studies prior to the visit. RAPID 3, PSQ-3 and VAS will be administered at this time. Lab samples will be collected prior to the Rheumatology appointment.

The six month visit marks the end of the trial. Patients will continue to be followed in Rheumatology Clinic every three months.

If the patient's RA symptoms worsen during the study, the physicians will institute measures to address the cause. The medical monitor will be notified and if any adverse events are involved, they will be recorded and reported to the Institutional Review Board (IRB).

Data:

Data will be entered by authorized study personnel only. Demographic information will be collected including sex, age and ethnic background in accordance with HIPPA compliance.

Data collected during this study will be analyzed at various points in time to include physician exams, labs (CRP, ESR, BMP, analysis of microparticles, neutrophil and platelet activation), radiologic studies, joint inspection.

Changes in joint pain will be determined by self-reporting and results of the standard outcome measures questionnaires (RAPID 3, PSQ-3 and VAS). A separate sleep survey will be administered.

Conditions

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RheumatoId Arthritis

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Hyperbaric Oxygen

Group Type EXPERIMENTAL

Hyperbaric Oxygen

Intervention Type DEVICE

30 treatments of Hyperbaric Oxygen.

Interventions

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Hyperbaric Oxygen

30 treatments of Hyperbaric Oxygen.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Age ≥ 18
2. Active duty or Department of Defense (DoD) beneficiary
3. Diagnosed with rheumatoid arthritis meeting ACR/EULAR 2010 classification criteria and any one of the following:

1. Patient does not want to be on rheumatologic medications
2. Patient has contraindications to standard rheumatologic medications
3. Patient has failed treatment or an incomplete response with standard rheumatologic medications
4. Women of childbearing age must have a negative pregnancy test and currently be on a reliable form of birth control

Exclusion Criteria

1. Severe depression
2. Dementia, mental disability
3. Claustrophobia
4. Uncontrolled seizure disorder
5. Uncontrolled asthma/severe chronic obstructive pulmonary disease (COPD) with partial pressure of carbon dioxide (pCO2) \> 45 mmHg on arterial blood gas
6. Grade 4 congestive heart failure
7. Unstable angina
8. Chronic/acute otitis media/sinusitis
9. Major tympanic membrane trauma
10. Severe kyphoscoliosis
11. Prior chemotherapy with Bleomycin and evidence of deterioration in diffusion capacity of the lung for carbon monoxide (DLCO) after a single hyperbaric oxygen exposure
12. History of renal insufficiency or glomerular filtration rate (GFR)\< 30
13. Women that are currently pregnant or breast feeding or intend on becoming pregnant while enrolled in the study

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No