NCT04955977

Brief Summary

Despite being considered a potentially preventable disease, COPD is classified as one of the respiratory problems with the highest prevalence and socioeconomic impact. According to the Global Initiative for Chronic Obstructive Pulmonary Disease (GOLD), people with COPD require actions that optimize quality of life by improving lung function and increasing tolerance to fatigue. Research such as those carried out by Semenza, establish that metazoan organisms such as the human species present biomolecular mechanisms for O2 homeostasis, based on transcriptional changes that allow regulating or modifying the responses necessary for the maintenance of the cellular metabolic functions. Hypoxia Induced Factor 1 (HIF-1) is the primary molecular mechanism for the regulation of O2-regulated genes in nuclear cells; Therefore, they promote adaptive mechanisms to hypoxia, through the generation of protein synthesis that favor processes such as erythropoiesis, angiogenesis, changes in oxidative metabolism and modification of the pulmonary vascular response. Research carried out in cells of people with COPD exposed to environmental hypoxia by low oxygen pressure (PO2), have shown changes in the nuclear concentrations of HIF-1, affecting the transcriptional mechanisms of specific genes for Erythropoietin (EPO), the Factor of Vascular Endothelial Growth (VEFG) and therefore limit the generation of essential proteins for systemic responses. These transcriptional mechanisms are conditioned by the structural changes of chromatin seconded by the inhibition in the performance of histone enzymes, which influences the synthesis of proteins involved in metabolic, hematological and / or ventilatory processes as a response. to hypoxia. However, the concentration and effect of HIF 1 on the synthesis of EPO and VEGF and its relationship with spirometric and hematological tests have not been studied in COPD people who live in medium altitudes and who are additionally exposed to additional hypoxic stimuli such as exercise physical. Although it is known that in COPD there is a decrease in the diffusion of O2 through the blood-gas barrier generating hypoxia and that with low PO2 there are biomolecular adaptations to favor oxygenation, perfusion, and metabolism; At the moment, the responses of HIF-1 and its effect on the generation of proteins associated with erythropoiesis and angiogenesis (EPO, FEVG) in people with COPD with physical exercise-based treatments are unknown.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
33

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jan 2022

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 15, 2021

Completed
24 days until next milestone

First Posted

Study publicly available on registry

July 9, 2021

Completed
6 months until next milestone

Study Start

First participant enrolled

January 1, 2022

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2022

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2022

Completed
Last Updated

August 25, 2021

Status Verified

August 1, 2021

Enrollment Period

2 months

First QC Date

June 15, 2021

Last Update Submit

August 18, 2021

Conditions

Keywords

ExerciseHypoxiaEpigenomicsTherapeutics

Outcome Measures

Primary Outcomes (3)

  • Nuclear concentration of HIF-1

    Changes in the nuclear concentration of hypoxia-inducible factor (HIF-1) in plasma. For this, an enzyme-linked immunosorbent assay (ELISA) will be executed using specific antibodies to immobilize the study proteins on a plate for their subsequent detection, with chemiluminescence detection.

    1. Initial measurement (week 0) before the application of the physical exercise program. 2. Final measurement (week 8) after completion of the intervention program.

  • VEGF protein synthesis.

    Changes in the synthesis of the Vascular Endoletial Growth Factor (VEGF) protein in plasma. For this, an enzyme-linked immunosorbent assay (ELISA) will be executed using specific antibodies to immobilize the study proteins on a plate for their subsequent detection, with chemiluminescence detection.

    1. Initial measurement (week 0) before the application of the physical exercise program. 2. Final measurement (week 8) after completion of the intervention program.

  • Synthesis of EPO protein.

    Changes in the synthesis of Erythropoietin (EPO) protein synthesis in plasma. For this, an enzyme-linked immunosorbent assay (ELISA) will be executed using specific antibodies to immobilize the study proteins on a plate for their subsequent detection, with chemiluminescence detection.

    1. Initial measurement (week 0) before the application of the physical exercise program. 2. Final measurement (week 8) after completion of the intervention program.

Secondary Outcomes (13)

  • Arm Curl Test

    1. Initial measurement (week 0) before the application of the physical exercise program. 2. Final measurement (week 8) after completion of the intervention program.

  • Chair Stand Test

    1. Initial measurement (week 0) before the application of the physical exercise program. 2. Final measurement (week 8) after completion of the intervention program.

  • 6 Minute WalK Test

    1. Initial measurement (week 0) before the application of the physical exercise program. 2. Final measurement (week 8) after completion of the intervention program.

  • Chair-Sit and Reach Test

    1. Initial measurement (week 0) before the application of the physical exercise program. 2. Final measurement (week 8) after completion of the intervention program.

  • Back Scratch Test

    1. Initial measurement (week 0) before the application of the physical exercise program. 2. Final measurement (week 8) after completion of the intervention program.

  • +8 more secondary outcomes

Study Arms (3)

G1: People with a diagnosis of COPD stratified in GOLD 1-2.

EXPERIMENTAL

* Adult person, over 40 years of age, both sexes, resident in medium altitudes or 2,600 meters above sea level in the last 2 years. * People with a diagnosis of COPD categorized in GOLD 1-2, with no record of respiratory crises in the last 3 months. * People with a diagnosis of COPD categorized by lung function in GOLD 1,2,3 and 4 and by severity of symptoms in A, B and C, without the need for supplemental oxygen. * People with a diagnosis of COPD settled and domiciled for a minimum time of 14 months at moderate altitudes or 2600 m.a.s.l. * People who have read and signed informed consent and who have membership in a mandatory health plan.

Other: Physical exercise programOther: Health education in COPD

G2: People with a diagnosis of COPD stratified in GOLD 3-4.

EXPERIMENTAL

* Adult person, over 40 years of age, both sexes, resident in medium altitudes or 2,600 meters above sea level in the last 2 years. * People with a diagnosis of COPD categorized in GOLD 1,2,3 and 4, with no record of respiratory crises in the last 3 months. * People with a diagnosis of COPD categorized by lung function in GOLD 3-4 and by severity of symptoms in A, B and C, without the need for supplemental oxygen. * People with a diagnosis of COPD settled and domiciled for a minimum time of 14 months at moderate altitudes or 2600 m.a.s.l. * People who have read and signed informed consent and who have membership in a mandatory health plan.

Other: Physical exercise programOther: Health education in COPD

G3: Control - People without a COPD diagnosis.

ACTIVE COMPARATOR

Healthy people, over 40 years old. No history of cigarette smoking or exposure to wood smoke. Who do not present diagnoses of musculoskeletal injuries and who are residents at 2600 meters above sea level for more than 14 months. With affiliation to a mandatory health plan and signature of informed consent.

Other: Physical exercise program

Interventions

Step 1 • Diaphragmatic reeducation: • Aerobic capacity: Intensity: zone 2, 60% HRMax, 4-6 / 10 Borg Scale; Charge: 20 m. Step 2 • Aerobic capacity: Intensity: zone 2, 65% HRMax, 4-6 Borg Scale; Charge: 25 m. • Muscular strength: Method: Pyramidal; Intensity: 3-4 / 10 Omni-Res; Load: 20% 1RM; Series: 3; Reps: 1. • Flexibility and elasticity: Intensity: 31-60 Perflex Scale; Charge: 10 - 20 s. Step 3 • Aerobic capacity: Intensity: zone 3, 70% HRMax, 5-6 / 10 Borg scale, Load: 25 m. • Muscular strength: Method: Pyramidal; Intensity: 4-5 / 10 Omni-Res; Load: 30% 1RM; Series: 4; Reps: 10. • Flexibility and elasticity: Method: active stretching; Intensity: 31-60 Perflex Scale; Charge: 10 - 20 s. Step 4 •Aerobic capacity: Intensity: zone 3, 75% HRMax, 6-7 / 10 Borg scale, Load: 30 m. • Muscular strength: Intensity: 5-6 / 10 Omni-Res; Load: 40-50% 1RM; Series: 4 s; Reps: 13. • Flexibility and elasticity: Method: active stretching; Intensity: 31-60 Perflex Scale; Charge: 10 - 20 s.

Also known as: Therapeutic exercise
G1: People with a diagnosis of COPD stratified in GOLD 1-2.G2: People with a diagnosis of COPD stratified in GOLD 3-4.G3: Control - People without a COPD diagnosis.

Week 1-2: Health education: COPD and respiratory care at home. Week 3-4: Importance of daily physical activity in COPD. Week 5-6: Early Signs of COPD Exacerbation and Action Plan Week 7-8: Use and care of respiratory devices at home.

Also known as: Health education
G1: People with a diagnosis of COPD stratified in GOLD 1-2.G2: People with a diagnosis of COPD stratified in GOLD 3-4.

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult person, over 40 years of age, both sexes, resident in medium altitudes or 2,600 meters above sea level in the last 2 years.
  • People with a diagnosis of COPD categorized in GOLD 1,2,3 and 4, with no record of respiratory crises in the last 3 months.
  • People with a diagnosis of COPD categorized by lung function in GOLD 1,2,3 and 4 and by severity of symptoms in A, B and C, without the need for supplemental oxygen.
  • People with a diagnosis of COPD settled and domiciled for a minimum time of 14 months at moderate altitudes or 2600 m.a.s.l.
  • People who have read and signed informed consent and who have membership in a mandatory health plan.

You may not qualify if:

  • People with a medical diagnosis of anemia, liver disease, chronic kidney disease, rheumatological diseases or a history of gastrointestinal bleeding in the last 2 months.
  • People with a diagnosis of COPD who have a history of kidney or liver transplantation.
  • People with a diagnosis of COPD who present severity of symptoms and/or respiratory exacerbations categorized in D presenting an mMRC \> 2 and CAT \> 10 with \>1 hospitalization requirements.
  • People who are under pharmacological management with erythropoietin (EPO), antibiotics and / or steroids on a chronic basis.
  • People with musculoskeletal injuries that limit the execution of the physical training program or that present medical restrictions for the execution of physical exercise.
  • People with a diagnosis of COPD who record active smoking.
  • People who are participating in research related to medical, pharmacological or physiotherapeutic intervention protocols.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National university of Colombia

Bogotá, Cundinamarca, 110821, Colombia

RECRUITING

Related Publications (9)

  • Lee SW, Hwang HH, Hsu PW, Chuang TY, Liu CW, Wu LS. Whole-genome methylation profiling from PBMCs in acute-exacerbation COPD patients with good and poor responses to corticosteroid treatment. Genomics. 2019 Dec;111(6):1381-1386. doi: 10.1016/j.ygeno.2018.09.010. Epub 2018 Sep 21.

    PMID: 30248490BACKGROUND
  • To M, Yamamura S, Akashi K, Charron CE, Haruki K, Barnes PJ, Ito K. Defect of adaptation to hypoxia in patients with COPD due to reduction of histone deacetylase 7. Chest. 2012 May;141(5):1233-1242. doi: 10.1378/chest.11-1536. Epub 2011 Dec 15.

    PMID: 22172637BACKGROUND
  • Ito K, Ito M, Elliott WM, Cosio B, Caramori G, Kon OM, Barczyk A, Hayashi S, Adcock IM, Hogg JC, Barnes PJ. Decreased histone deacetylase activity in chronic obstructive pulmonary disease. N Engl J Med. 2005 May 12;352(19):1967-76. doi: 10.1056/NEJMoa041892.

    PMID: 15888697BACKGROUND
  • Semenza GL. Hypoxia-inducible factor 1 (HIF-1) pathway. Sci STKE. 2007 Oct 9;2007(407):cm8. doi: 10.1126/stke.4072007cm8.

    PMID: 17925579BACKGROUND
  • Fu X, Zhang F. Role of the HIF-1 signaling pathway in chronic obstructive pulmonary disease. Exp Ther Med. 2018 Dec;16(6):4553-4561. doi: 10.3892/etm.2018.6785. Epub 2018 Sep 21.

    PMID: 30542404BACKGROUND
  • Chen LJ, Xu W, Li YP, Ma LT, Zhang HF, Huang XB, Yu GG, Ma XQ, Chen C, Liu YH, Wu J, Wang LJ, Xu Y. Lycium barbarum Polysaccharide Inhibited Hypoxia-Inducible Factor 1 in COPD Patients. Int J Chron Obstruct Pulmon Dis. 2020 Aug 24;15:1997-2004. doi: 10.2147/COPD.S254172. eCollection 2020.

    PMID: 32921997BACKGROUND
  • Kanazawa H, Yoshikawa J. Elevated oxidative stress and reciprocal reduction of vascular endothelial growth factor levels with severity of COPD. Chest. 2005 Nov;128(5):3191-7. doi: 10.1378/chest.128.5.3191.

    PMID: 16304261BACKGROUND
  • Tao H, Luo W, Pei H, Zhu S, Zhang M, Chen B, He J, Zhang M, Zhou R. [Expression and significance of hypoxia-inducible factor-1alpha in patients with chronic obstructive pulmonary disease and smokers with normal lung function]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi. 2014 Aug;30(8):852-5. Chinese.

  • Villamil-Parra W, Cristancho-Mejia E, Ramon Torrella J, Mancera-Soto EM. Effects of a physical exercise program on HIF-1alpha in people with Chronic Obstructive Pulmonary Disease living at high altitude: study protocol for a clinical trial. Trials. 2023 Oct 29;24(1):698. doi: 10.1186/s13063-023-07698-y.

MeSH Terms

Conditions

Pulmonary Disease, Chronic ObstructiveMotor ActivityHypoxia

Interventions

Exercise Therapy

Condition Hierarchy (Ancestors)

Lung Diseases, ObstructiveLung DiseasesRespiratory Tract DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsBehaviorSigns and Symptoms, RespiratorySigns and Symptoms

Intervention Hierarchy (Ancestors)

RehabilitationAftercareContinuity of Patient CarePatient CareTherapeuticsPhysical Therapy Modalities

Study Officials

  • Wilder A Villamil-Parra, Therapist

    Universidad Nacional de Colombia

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Wilder A Villamil-Parra, Therapist

CONTACT

Erica M Mancera-Soto, Therapist

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
Unique masking when study participants, who will not know: 1. Assignment to research groups, for which the measurement of the severity of the disease will be developed individually. 2. Treatment to receive, for which the intervention will be carried out individually and at the home of each participant.
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Model Details: Quasi-experimental study with assignment to groups by convenience by severity of the disease. Group 1: COPD GOLD1-2, Group 2: COPD GOLD3-4, Group 3: Control. Study with intra- and inter-group comparison before and after intervention with an external control group
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 15, 2021

First Posted

July 9, 2021

Study Start

January 1, 2022

Primary Completion

March 1, 2022

Study Completion

June 1, 2022

Last Updated

August 25, 2021

Record last verified: 2021-08

Data Sharing

IPD Sharing
Will not share

At the moment there are no plans to share data, since this process does not have the endorsement of the ethics committee.

Locations