Whole-Body Hyperthermia for Mood and Anxiety Disorders

Anxiety Disorders Clinical Trial

Official title:

Whole-Body Hyperthermia for Mood and Anxiety Disorders

Clinical Trial Details — Status: Not yet recruiting

Administrative data

• NCT number: NCT06144294
• Other study ID #: 23-01025619
• Status: Not yet recruiting
• Phase: N/A
• Start date: June 2024
• Est. completion date: June 2029

Study information

• Verified date: February 2024
• Source: Weill Medical College of Cornell University
• Contact: Research Specialist
• Phone: 212-746-2107
• Email: emt4004[@]med.cornell.edu
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

This study aims to examine the scientific mechanisms of whole-body hyperthermia (WBH), a novel, rapidly acting, single session antidepressant and anxiolytic therapy. It also aims to determine its feasibility and acceptability in women with postpartum depression (PPD). The study will enroll four cohorts of participants: healthy postpartum controls; postpartum women with PPD; healthy adult controls; and adults with major depressive disorder or anxiety disorders in a longitudinal protocol.

Description:

Whole-body hyperthermia has already been shown to be feasible, acceptable, and effective in major depressive disorder (MDD) populations, with an open-label study and a subsequent randomized, double-blind, sham-controlled study both demonstrating efficacy. Some evidence indicates that the antidepressant effect may be due to immune mechanisms, though it may also be mediated through direct neural effects of hyperthermia This project aims to establish a protocol to deliver WBH therapy to patients with mood and anxiety disorders to collect information about scientific mechanisms. It also seeks to extend treatment to a specific population: a single session WBH treatment could be of tremendous interest to depressed postpartum women who wish to avoid medications and time away from their infants. The mechanistic work will be completed with the four cohorts. By examining mechanisms in all four groups, investigators will be able to determine mechanisms unique to ill individuals as well as any mechanistic differences between MDD and PPD. In addition, the investigators aim to establish feasibility and acceptability of this protocol in postpartum women. Why? Over 80% of women deliver a child, and 15-20% of all women develop significant postpartum mental illness, usually depression and anxiety. Participants will be divided into two groups: those undergoing a simplified protocol to test feasibility and acceptability in the postpartum (Study Group 1) and those undergoing a more time-intensive protocol to evaluate mechanisms (Study Group 2). In addition, participants in Study Group 2 will be eligible to enroll in a sub-study (Study Group 3) including up to 10 fMRI session.

Recruitment information / eligibility

• Status: Not yet recruiting
• Enrollment: 240
• Est. completion date: June 2029
• Est. primary completion date: June 2028
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 18 Years to 50 Years

Eligibility

Inclusion Criteria

• Study Group 2
• Arm 1: Healthy women or transgender men 18-50 years of age, = 6 months postpartum
• Arm 2: Women and transgender men 18-50 years of age, = 6 months postpartum, meeting criteria for a major depressive episode in the postpartum period on the MINI.
• Arm 3: Healthy adults of both sexes 18-50 years of age.
• Arm 4: Adults of both sexes 18-50 years of age meeting criteria for an episode of major depression or generalized anxiety disorder on the Mini International Neuropsychiatric Interview (MINI)
• Study Group 3
• Subjects enrolled in Study Group 2 are eligible for an optional additional sub-study (Study Group 3); inclusion criteria are the same as for Study Group 2.

Exclusion criteria for all:

• For logistics, we will exclude individuals with BMI >30 and waist size > 35, who may not fit comfortably in the sauna dome for all cohorts described above.
• For contraindications to hyperthermia, we will exclude from all cohorts listed above, individuals with severe cardiovascular disease, including congestive heart failure, coronary artery disease, uncontrolled hypertension, and hypotension; pregnancy; active substance use disorders; recent major injuries or surgeries (<1 week prior); impaired sweating (those with multiple sclerosis, diabetes mellitus with neuropathy, central nervous system disease, heat insensitivity); a history or family history of malignant hyperthermia, fever or active signs of infection; taking medications that may have interactions with hyperthermia (for example, barbiturates, diuretics, and beta blockers) and the use of an antipyretic medication in the 12 hours prior to the WBH intervention. Individuals with above mentioned conditions will be excluded since either WBH might deteriorate their conditions or it is unknown how their condition will be affected by WBH.
• For contraindications to immune analyses, we will exclude individuals with conditions that might affect immune analyses, including individuals with known active autoimmune or endocrine disease and individuals with active infection at baseline.

Additional exclusion criteria by cohort or applicable study group:

• Study Group 2
• Arm 1: For psychiatric contraindications, we will exclude individuals with a history of psychiatric disorders as assessed by MINI since the cohort will consist of mentally healthy individuals as a control group.
• Arm 2: For psychiatric contraindications, we will exclude individuals with bipolar disorder or other Axis I psychiatric disorders except depressive and anxiety disorders and individuals taking antidepressants who are unwilling to hold antidepressant dose steady from recruitment through study termination. In this cohort we exclude individuals with other psychiatric disorders except depressive and anxiety disorders to rule out the effect of other psychiatric diseases on the outcome.
• Arm 3: For psychiatric contraindications, we will exclude individuals with a history of psychiatric disorders as assessed by MINI since the cohort will consist of mentally healthy individuals as a control group.
• Arm 4: For psychiatric contraindications, we will exclude individuals with bipolar disorder or other Axis I psychiatric disorders except depressive and anxiety disorders and individuals taking antidepressants who are unwilling to hold antidepressant dose steady from recruitment through study termination. In this cohort we exclude individuals with other psychiatric disorders except depressive and anxiety disorders to rule out the effect of other psychiatric diseases on the outcome.
• Study Group 2 and Study Group 3 - All participants
• For contraindications to use of the e-Celsius capsule that will be used to measure core temperature, we will exclude individuals with pacemakers or any other electric medical implant, individuals with a current intestinal disorder that could lead to obstruction of the digestive tract including gastroparesis, individuals with history of diverticula, individuals with history of past surgical procedures in the gastrointestinal tract, individuals with a swallowing disorder and individuals with Crohn's disease.
• Study Group 3 - All participants
• For contraindications to MRI, individuals with metal in the body will be excluded from participating in the MRI portion of the research since magnetic fields in MRI scanners can cause dangerous interactions in patients with metallic foreign bodies: projectile effect, twisting, burning, artifacts, and device malfunction (interference with a pacemaker).

Related Conditions & MeSH terms

• Anxiety Disorders
• Depression
• Depression, Postpartum
• Fever
• Hyperthermia
• Mood Disorders
• Postpartum Anxiety
• Postpartum Depression

Intervention

Other:
• Whole-Body Hyperthermia
The Clearlight dome sauna is portable infrared sauna consisting of two lightweight domes and an infrared heating pad. The sauna will be used to deliver the intervention to the participant and the sauna session will end as soon as (1) an internal body temperature of 38.5 C (101.3 F) is reached for two consecutive minutes or, (2) 140 minutes have passed.

Diagnostic Test:
• fMRI
A standard magnetic resonance imaging (fMRI) machine will be used to take images of the brain.

Locations

Country	Name	City	State
United States	Weill Cornell Medicine	New York	New York

Sponsors (1)

Lead Sponsor	Collaborator
Weill Medical College of Cornell University

Country where clinical trial is conducted

United States, 

References & Publications (26)

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* Note: There are 26 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Percent change in EEG amplitude.	Measure the extent of broad-band neural suppression in WBH.	During the course of the intervention: when participant core temperature reaches 38.5 C for two consecutive minutes OR after 140 minutes have passed.
Primary	Percent change in EEG frequency.	Measure the extent of broad-band neural suppression in WBH,	During the course of the intervention: when participant core temperature reaches 38.5 C for two consecutive minutes OR after 140 minutes have passed.
Secondary	Mean change from baseline in inflammatory activity as measured by pro-inflammatory cytokines.	Determine whether peripheral immune activation predicts the effect of WBH on PPD or depressive and anxiety symptoms in non-postpartum adults.	Two days prior to the intervention; immediately prior to intervention; immediately post-intervention; and at five days post-intervention.
Secondary	Mean change in average 24-hour core temperature.	Determine the average change in core temperature across the whole-body hyperthermia intervention.	Two days prior to the intervention and five days post-intervention.
Secondary	Individualized precision functional brain maps.	Determine longitudinal changes in neural circuit activity produced by whole-body hyperthermia.	Up to 3 fMRI scans in the 10 days before the intervention and up to 7 fMRI scans in the 6 weeks post-intervention.

External Links

•   Clearlight Sauna Dome