NCT04391777

Brief Summary

This study aims to analyze the influence of the fourth ventricle compression technique in heart rate, respiratory rate, blood pressure, conductivity and thermal variability of the skin in healthy young adults.

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
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Sep 2024

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

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

May 13, 2020

Completed
5 days until next milestone

First Posted

Study publicly available on registry

May 18, 2020

Completed
4.3 years until next milestone

Study Start

First participant enrolled

September 1, 2024

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2024

Completed
Last Updated

April 2, 2024

Status Verified

April 1, 2024

Enrollment Period

3 months

First QC Date

May 13, 2020

Last Update Submit

April 1, 2024

Conditions

Keywords

OsteopathyFourth ventricle compression techniquePhysiological variables

Outcome Measures

Primary Outcomes (2)

  • Change from Baseline in heart rate variability immediately after the intervention

    To obtain the heart rate measurements, a pulse volume sensor (Biosignalsplux researcher) was connected to the third finger of the hand, with the patient lying supine. The sensor was only removed after completing all the evaluation moments.

    Immediately after the intervention.

  • Change from Baseline in heart rate variability 15 minutes after the intervention

    To obtain the heart rate measurements, a pulse volume sensor (Biosignalsplux researcher) was connected to the third finger of the hand, with the patient lying supine. The sensor was only removed after completing all the evaluation moments.

    15 minutes after the intervention.

Secondary Outcomes (8)

  • Change from Baseline in respiratory rate variability immediately after the intervention

    Immediately after the intervention.

  • Change from Baseline in respiratory rate variability 15 minutes after the intervention

    15 minutes after the intervention

  • Change from Baseline in blood pressure variability immediately after the intervention

    Immediately after the intervention.

  • Change from Baseline in blood pressure variability 15 minutes after the intervention

    15 minutes after the intervention.

  • Change from Baseline in skin conductivity variability immediately after the intervention

    Immediately after the intervention.

  • +3 more secondary outcomes

Study Arms (2)

CV-4 group

EXPERIMENTAL

The initial selection will be made through a questionnaire, in order to fulfill the exclusion and inclusion criteria. On the data collection day a more detailed survey is performed and informed consent is signed. The patient waits for 5 minutes in the supine position, after which the baseline evaluation is performed. The CV-4 technique is performed following immediate evaluation. 15 minutes after the technique, a new evaluation of the variables is accomplished.

Other: Fourth ventricle compression technique (CV-4)

Control group

SHAM COMPARATOR

The initial selection will be made through a questionnaire, in order to fulfill the exclusion and inclusion criteria. On the data collection day a more detailed survey is performed and informed consent is signed. The patient waits for 5 minutes in the supine position, after which the baseline evaluation is performed. The sham technique is performed following immediate evaluation. 15 minutes after the technique, a new evaluation of the variables is accomplished.

Other: Sham

Interventions

The participant is in the supine position and the principal investigator is seated at the patient's head, with elbows resting on the table. The main investigator overlaps his hands with the thenar eminences, contacting the occipital bone squamous part, between the external occipital protuberance and the participant's occipito-mastoid suture. The technique begins with a maintained compression on the occipital squamous part during a deep thorax exhalation. Throughout the compression of the occipital bone and the participant's voluntary inspirations, the principal investigator feels a gradual pressure increase at the thenar eminences. The technique will be performed until reaching the still point, in which the mobility of the occipital bone, respiratory rate and muscle tone decrease, or until 5 minutes elapsed.

CV-4 group
ShamOTHER

The main investigator uses the technique contact but does not perform any type of tissue traction or compression, maintaining this contact for 5 minutes. At the end of the stipulated time, the contact is removed in a subtle way.

Control group

Eligibility Criteria

Age18 Years - 33 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy participants aged between 18 and 33 years.

You may not qualify if:

  • Cognitive deficits that can possibly compromise the understanding of the study instructions;
  • Any type of medication taken that may have influences at the variables under study in the previous 7 days;
  • Cranio-cervical injuries, surgery to the skull and /or spine in the last 12 months;
  • Chronic cardiorespiratory, renal, systemic, neurological, musculoskeletal, oncological and psychiatric pathologies;
  • Headaches, migraines, dizziness and / or nausea while performing the techniques;
  • Caffeine and / or alcohol intake in the 6 hours prior to the data collection;
  • Tobacco consumption in the 30 minutes prior to the data collection;
  • Practice of intense physical exercise in the 90 minutes prior to the data collection;
  • Pregnant women or menstruating;
  • Participants who were submitted to manual therapy treatments during the past month;
  • Osteopathy students of 3rd year or higher degree, in order to prevent the participant from recognizing which group they belong to.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Escola Superior da Saúde do Porto

Porto, 4200-072, Portugal

Location

Related Publications (7)

  • Jakel A, von Hauenschild P. Therapeutic effects of cranial osteopathic manipulative medicine: a systematic review. J Am Osteopath Assoc. 2011 Dec;111(12):685-93.

  • Cardoso-de-Mello-E-Mello-Ribeiro AP, Rodriguez-Blanco C, Riquelme-Agullo I, Heredia-Rizo AM, Ricard F, Oliva-Pascual-Vaca A. Effects of the Fourth Ventricle Compression in the Regulation of the Autonomic Nervous System: A Randomized Control Trial. Evid Based Complement Alternat Med. 2015;2015:148285. doi: 10.1155/2015/148285. Epub 2015 Jun 14.

  • Milnes, K., & Moran, R. W. (2007). Physiological effects of a CV4 cranial osteopathic technique on autonomic nervous system function: A preliminary investigation. International Journal of Osteopathic Medicine, 10(1), 8-17. https://doi.org/10.1016/j.ijosm.2007.01.003

    RESULT
  • Cutler MJ, Holland BS, Stupski BA, Gamber RG, Smith ML. Cranial manipulation can alter sleep latency and sympathetic nerve activity in humans: a pilot study. J Altern Complement Med. 2005 Feb;11(1):103-8. doi: 10.1089/acm.2005.11.103.

  • Miana L, Bastos VH, Machado S, Arias-Carrion O, Nardi AE, Almeida L, Ribeiro P, Machado D, King H, Silva JG. Changes in alpha band activity associated with application of the compression of fourth ventricular (CV-4) osteopathic procedure: a qEEG pilot study. J Bodyw Mov Ther. 2013 Jul;17(3):291-6. doi: 10.1016/j.jbmt.2012.10.002. Epub 2012 Nov 16.

  • Curi ACC, Maior Alves AS, Silva JG. Cardiac autonomic response after cranial technique of the fourth ventricle (cv4) compression in systemic hypertensive subjects. J Bodyw Mov Ther. 2018 Jul;22(3):666-672. doi: 10.1016/j.jbmt.2017.11.013. Epub 2017 Dec 9.

  • Bayo-Tallon V, Esquirol-Caussa J, Pamias-Massana M, Planells-Keller K, Palao-Vidal DJ. Effects of manual cranial therapy on heart rate variability in children without associated disorders: Translation to clinical practice. Complement Ther Clin Pract. 2019 Aug;36:125-141. doi: 10.1016/j.ctcp.2019.06.008. Epub 2019 Jul 2.

MeSH Terms

Interventions

salicylhydroxamic acid

Study Officials

  • Natália MO Campelo

    Escola Superior de Saúde do Politécnico do Porto

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Natália MO Campelo, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

May 13, 2020

First Posted

May 18, 2020

Study Start

September 1, 2024

Primary Completion

December 1, 2024

Study Completion

December 1, 2024

Last Updated

April 2, 2024

Record last verified: 2024-04

Locations