IHT for Mild Cognitive Impairment

NCT ID: NCT05495087

Last Updated: 2023-04-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

66 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-02-27

Study Completion Date

2025-04-30

Brief Summary

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This phase I clinical trial will examine the safety and efficacy of intermittent hypoxia training (IHT) for up to 12 weeks to treat subjects with mild cognitive impairment (MCI).

Detailed Description

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Conditions

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Mild Cognitive Impairment Memory Impairment

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

IHT vs Sham-IHT Control
Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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IHT Treatment

Exposures to hypoxic air (10% O2) up to 5 min intermittent with up to 5 min recovery (breathing room air) per session, 3 sessions/week, up to 12 weeks.

Group Type EXPERIMENTAL

IHT Treatment

Intervention Type DEVICE

IHT Treatment: IH exposure to 10% O2 for up to 5 min, interspersed with breathing room air recovery for up to 5 min, with up to 8 cycles/session, 3 sessions/week, for up to 12 weeks.

Sham-IHT control

Exposures to normoxic air (21% O2) up to 5 min intermittent with up to 5 min recovery (breathing room air) per session, 3 sessions/week, up to 12 weeks.

Group Type PLACEBO_COMPARATOR

Sham-IHT Control

Intervention Type OTHER

Sham-IHT Control: Exposure to 21% O2 for up to 5 min, interspersed with breathing room air recovery for up to 5 min, with up to 8 cycles/session, 3 sessions/week, for up to 12 weeks.

Interventions

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IHT Treatment

IHT Treatment: IH exposure to 10% O2 for up to 5 min, interspersed with breathing room air recovery for up to 5 min, with up to 8 cycles/session, 3 sessions/week, for up to 12 weeks.

Intervention Type DEVICE

Sham-IHT Control

Sham-IHT Control: Exposure to 21% O2 for up to 5 min, interspersed with breathing room air recovery for up to 5 min, with up to 8 cycles/session, 3 sessions/week, for up to 12 weeks.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Adult men and women ages 55 to 79 years old who have been diagnosed with MCI.
* Must be willing to be assigned to either group: treatment or sham-treatment control.
* Able to pay multiple visits to the lab for the proposed assessments.
* Able to breathe moderately hypoxic air via an air-cushioned, disposable facemask.
* To have controlled stabilized chronic conditions of at least 6 months duration, such as hypertension, coronary artery disease, diabetes or metabolic disease, chronic bronchitis, degenerative osteoporosis or arthritis and/or other aging-related chronic conditions.
* Must be depression-free at the time of enrollment.
* Must have arterial oxygen saturation at or above 95% and cerebral tissue oxygenation at or above 50% at rest.
* Woman subject must be post-menopausal.

Exclusion Criteria

* Unwilling to sign a written consent to participate in this double-blinded placebo-controlled phase I trial.
* Diagnosed with AD-dementia or have impaired independent daily functioning; with MMSE \<20 and/or CDR ≥1.
* Unable to visit the lab independently.
* Claustrophobic to facemask and hyper-reactive to hypoxia exposure.
* Expecting any major surgery or transplant.
* Have un-controlled chronic conditions including systolic-diastolic pressures over 150/90 mmHg with medications, diabetes, chronic renal failure (based on the medical history questionnaire), obstructive sleep apnea (based on the medical history), recurrent chest pain, seizures or epilepsies, moderate to severe carotid stenosis or calcification, brain aneurysm, uncontrolled allergic rhinitis, pulmonary fibrosis, emphysema, cancer, infectious disease, atrial fibrillation, regular pre-mature ventricular contractions, myocardial ischemia or infarct, 2nd or 3rd degree atrio-ventricular blockade.
* Have severe head injury or traumatic brain injury, stroke (hemorrhagic and/or ischemic).
* Have currently diagnosed depression.
* Currently have COVID-19.
* Have any metallic implants or who are claustrophobic.
* Currently participating in any interventional study and/or have been previously exposed to hypoxia, such as residing more than two months at altitudes above 5000 ft. within the past 3 years or previously participated in a hypoxia training study.
Minimum Eligible Age

55 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Texas Southwestern Medical Center

OTHER

Sponsor Role collaborator

National Institute on Aging (NIA)

NIH

Sponsor Role collaborator

University of North Texas Health Science Center

OTHER

Sponsor Role lead

Responsible Party

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Xiangrong Shi

Associate Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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University of North Texas Health Science Center

Fort Worth, Texas, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Xiangrong Shi, PhD

Role: CONTACT

817-735-2073

Elaina Smith

Role: CONTACT

817-735-2073

Facility Contacts

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Xiangrong Shi, PhD

Role: primary

817-735-2689

Elaina Smith

Role: backup

817-735-2073

Other Identifiers

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R01AG076675

Identifier Type: NIH

Identifier Source: secondary_id

View Link

R01AG076675

Identifier Type: NIH

Identifier Source: org_study_id

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