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The Effects of Aerobic Exercise and Mindful Breathing on Individuals With Major Depressive Disorder in Saudi Arabia (MDD/AE/MB)

2026년 6월 1일 업데이트: Saad Bin Muaythir, University of Pretoria

The Effects of Aerobic Exercise and Mindful Breathing on Symptom Severity and Quality of Life in Individuals With Major Depressive Disorder in Saudi Arabia: A Randomised Clinical Trial Protocol

The goal of this Randomized Clinical Trial is to evaluate the effectiveness of aerobic exercise (AE) and mindful breathing (MB) on depressive symptom severity and quality of life (QoL), in adults with MDD. The main question is: Does aerobic exercise and mindful breathing delivery reduce depressive symptom severity and improve quality of life more effectively than standard psychiatric care? The aims to answer are:

  1. To determine the effect of aerobic exercise interventions on depressive symptoms of individuals diagnosed with MDD.
  2. To determine the effect of aerobic exercise interventions on health-related quality of life among individuals diagnosed with MDD.
  3. To determine the effect of mindful breathing exercises on depressive symptoms among individuals diagnosed with MDD.
  4. To determine the effect of the mindful breathing exercise intervention on quality of life amongst individuals diagnosed with MDD.

Participants will be randomized into three groups:

  1. 45 minutes of moderate AE (60-75% HRR);
  2. 15 minutes of guided mindful breathing (6 breaths/minute);
  3. a waitlist control receiving standard care. *Interventions will occur three times a week for 16 weeks.

연구 개요

상태

아직 모집하지 않음

정황

개입 / 치료

상세 설명

Major Depressive Disorder (MDD) is a leading cause of global disability, with many patients showing suboptimal responses to conventional pharmacological treatments. Evidence suggests that aerobic exercise (AE) and mindful breathing (MB) can serve as powerful non-pharmacological modulators of the central and autonomic nervous systems. This protocol outlines a randomized clinical trial (RCT) to evaluate the individual and synergistic effects of these interventions in a Saudi Arabian clinical population.

Major Depressive Disorder (MDD) is no longer viewed merely as a psychological condition but as a systemic, multi-faceted public health crisis. According to the World Health Organization and the latest Global Burden of Disease (GBD) analysis, MDD is a primary driver of global disability, defined by persistent feelings of sadness, anhedonia, sleep disturbances, and diminished capacity for daily functioning . Globally, it affects more than 280 million people.

In Saudi Arabia, the rising prevalence of MDD necessitates a shift toward "Integrative Psychiatry," where lifestyle medicine serves as a core pillar. Despite the availability of pharmacological and psychotherapeutic treatments, many individuals experience suboptimal outcomes, relapse, or treatment resistance, with the STAR*D study highlighting that only about one-third of patients achieve full remission after their first course of antidepressant medication . Furthermore, the side effects of conventional medications, such as weight gain and metabolic syndrome, often lead to premature discontinuation.

While the individual antidepressant effects of exercise and mindful breathing are well-documented, significant gaps remain. Existing literature indicates that AE "primes" the brain by increasing neuroplasticity and reward processing. Mindful breathing, conversely, stabilizes the autonomic nervous system and reduces anxiety. Combining these two low-cost, non-pharmacological interventions may provide a superior "biopsychosocial" approach to MDD recovery that neither could achieve alone. Modern psychiatry recognizes that a patient can be "less depressed" while still having a poor Quality of Life (QoL). Exercise is uniquely positioned to improve QoL because its benefits are "transdiagnostic", improving physical vitality, sleep quality, and social engagement simultaneously.

and a baseline Hamilton Depression Rating Scale (HAM-D) score ≥ 17.

연구 유형

중재적

등록 (추정된)

60

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 장소

  • 사우디 아라비아
      • Al Kharj, 사우디 아라비아
        • Erada Hospital and Mental Health in Al Kharj
        • 연락하다:
      • Riyadh, 사우디 아라비아
        • Erada complex and Mental Health in Riyadh
        • 연락하다:

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인

건강한 자원 봉사자를 받아들입니다

아니

설명

Inclusion Criteria:

  1. Adults aged 18-60 years with a formal diagnosis of Major Depressive Disorder (MDD) based on DSM-5-TR or ICD-10 criteria.
  2. A baseline score of ≥ 17 on the Hamilton Depression Rating Scale (HAM-D) is required to ensure a moderate-to-severe symptom profile

Exclusion Criteria:

  1. Patients with high suicidal ideation
  2. Patients with a history of psychosis or bipolar disorder
  3. Patient with physical contraindications to exercise (e.g., unstable cardiovascular disease).
  4. Concurrent participation in other structured exercise/mindfulness trials.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 하나의

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: Aerobic Exercise (AE)

The AE protocol is designed to achieve the moderate-intensity threshold (SMD = -0.91), which has been identified as the most effective for symptom reduction (16).

  • Warm-up: 5-10 minutes of low-intensity walking and dynamic stretching.
  • Core Phase: 30 minutes of continuous aerobic activity (walking or Stationary Cycling).
  • Intensity Monitoring: Heart rate (HR) will be monitored using wearable sensors. Target intensity is set at 60-75% of the Heart Rate Reserve (HRR) or a Rating of Perceived Exertion (RPE) of 12-14 on the Borg Scale.
  • Cool-down: 5 minutes of slow walking and static stretching.
다른: Aerobic exercise
Aerobic or cardiovascular exercise is characterized by activities that engage large muscle groups, including walking, jogging, or cycling. Regular aerobic exercise can improve cardiovascular health, endurance, and overall fitness.
다른 이름들:
  • 걷는
  • cardiovascular exercise
실험적: Mindful Breathing (MB)

The MB protocol focuses on "Top-Down" emotional regulation and "Bottom-Up" autonomic stabilisation.

  • Technique: Participants will be taught Diaphragmatic Resonant Breathing. This involves inhaling through the nose for four (4) seconds and exhaling slowly for six (6) seconds (approximately 6 deep breaths per minute).
  • Mindfulness Component: During the breathing, participants are instructed to maintain "non-judgmental awareness," acknowledging stray thoughts and gently returning focus to the sensation of air entering and leaving the body.
  • Duration: 15 minutes per session, conducted in a seated, comfortable position with eyes closed or a soft gaze.
다른: Mindful Breathing
Mindful breathing can include diaphragmatic breathing, deep breathing, and controlled breathing techniques, which focus on regulating and optimizing the process of inhalation and exhalation. These techniques enhance respiratory function, increase lung capacity, and promote relaxation by activating the parasympathetic nervous system. Therefore, they have been used in various therapeutic contexts to manage stress, anxiety, and mood disorders, including MDD, by regulating emotions and the stress response.
다른 이름들:
  • 크게 숨쉬기
  • 횡격막 호흡
다른: Control Group (Standard Care) Standard Treatment
Participants will continue their prescribed pharmacological treatment and any existing psychotherapy and physiotherapy sessions.
다른: Aerobic exercise
Aerobic or cardiovascular exercise is characterized by activities that engage large muscle groups, including walking, jogging, or cycling. Regular aerobic exercise can improve cardiovascular health, endurance, and overall fitness.
다른 이름들:
  • 걷는
  • cardiovascular exercise
다른: Mindful Breathing
Mindful breathing can include diaphragmatic breathing, deep breathing, and controlled breathing techniques, which focus on regulating and optimizing the process of inhalation and exhalation. These techniques enhance respiratory function, increase lung capacity, and promote relaxation by activating the parasympathetic nervous system. Therefore, they have been used in various therapeutic contexts to manage stress, anxiety, and mood disorders, including MDD, by regulating emotions and the stress response.
다른 이름들:
  • 크게 숨쉬기
  • 횡격막 호흡

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Depressive symptom severity
기간: Baseline, Week 4,8, and a 16-week

Depressive symptom severity will be assessed using the Hamilton Depression Rating Scale (HAM-D), with total scores ranging from 0 to 52. Higher scores indicate more severe depressive symptoms.

For MDD, a baseline Hamilton Depression Rating Scale (HAM-D) score of ≥ 17 is required. Reduction in Hamilton Depression Rating Scale (HAM-D) scores is the primary outcome measure.
Baseline, Week 4,8, and a 16-week

2차 결과 측정

결과 측정
측정값 설명
기간
Quality of life (QoL) 1: Quality of Life (WHOQOL-BREF)
기간: WHOQOL-BREF: baseline and week 16.
Quality of life will be assessed using the World Health Organization Quality of Life-BREF (WHOQOL-BREF), which generates domain scores transformed to a scale ranging from 0 to 100. Higher scores indicate a better quality of life
WHOQOL-BREF: baseline and week 16.
Quality of life (QoL)2 : Anxiety Symptoms
기간: Baseline, Week 4,8, and a 16-week
Anxiety symptoms will be assessed using the Beck Anxiety Inventory (BAI), a 21-item self-report questionnaire with total scores ranging from 0 to 63. Higher scores indicate greater anxiety severity.
Baseline, Week 4,8, and a 16-week
Quality of life (QoL) 3: Sleep Quality
기간: Baseline, Week 4, Week 8, and Week 16.
Sleep quality will be assessed using the Pittsburgh Sleep Quality Index (PSQI), a 19-item questionnaire with total scores ranging from 0 to 21. Higher scores indicate poorer sleep quality.
Baseline, Week 4, Week 8, and Week 16.

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

University of Pretoria

수사관

  • 수석 연구원: Saad Bin Muaythir, Master

간행물 및 유용한 링크

연구에 대한 정보 입력을 담당하는 사람이 자발적으로 이러한 간행물을 제공합니다. 이것은 연구와 관련된 모든 것에 관한 것일 수 있습니다.

일반 간행물

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 6월 15일

기본 완료 (추정된)

2026년 10월 14일

연구 완료 (추정된)

2026년 11월 14일

연구 등록 날짜

최초 제출

2026년 5월 27일

QC 기준을 충족하는 최초 제출

2026년 6월 1일

처음 게시됨 (실제)

2026년 6월 4일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 6월 4일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 6월 1일

마지막으로 확인됨

2026년 6월 1일

추가 정보

이 연구와 관련된 용어

키워드

추가 관련 MeSH 약관

기타 연구 ID 번호

  • 680/2024

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

아니요

IPD 계획 설명

Indirect identifiers will be used through coded participant IDs. Direct identifiers will be stored separately from research data. Use participant codes on all study forms; store consent forms separately; keep electronic data on password-protected/encrypted devices or servers; keep paper CRFs in locked cabinets; restrict access to PI and authorized research staff only.

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

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