NCT03448757

Brief Summary

Biofeedback is an autonomic response observed during the exposure period to CEMBE. After prospectively evaluating 20 healthy individuals or 40 patients with advanced breast cancer or hepatocarcinoma, it was possible to determine subtle hemodynamic changes consistent with the biofeedback effect associated with exposure to a cancer-specific set of modulated frequencies. Once CEMBE is administered through an intra-oral administration device, the human body absorbs the energy applied at the level of 0.2-1 mW / kg, with a peak absorption in 10 g of tissue between 55 and 132 mW / kg. Initially, the discriminatory study analyzing 9 hemodynamic parameters recorded beat heart beat in 18 individuals demonstrated a hemodynamic pattern specific for hepatocarcinoma and breast cancer, with sensitivity of 94.1% and 95%, respectively, and specificity of 75% and 95%, respectively. These findings were validated in blind analysis in the remaining 56 patients, confirming the high rate of discriminatory success. A specific pattern of response associated with exposure of a cancer-specific frequency group was also observed in patients diagnosed with neoplasia, since the control group of healthy individuals did not present these response patterns. This specific signature of response to CEMBE-modulated exposure to cancer-specific frequencies was significantly altered only in patients with hepatocarcinoma after tumor withdrawal (Costa et al, 2015a).

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 hepatocellular-carcinoma

Timeline
Completed

Started Feb 2018

Longer than P75 for not_applicable hepatocellular-carcinoma

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

Study Start

First participant enrolled

February 15, 2018

Completed
5 days until next milestone

First Submitted

Initial submission to the registry

February 20, 2018

Completed
8 days until next milestone

First Posted

Study publicly available on registry

February 28, 2018

Completed
3.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 15, 2021

Completed
2.3 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 16, 2023

Completed
Last Updated

November 22, 2023

Status Verified

November 1, 2023

Enrollment Period

3.5 years

First QC Date

February 20, 2018

Last Update Submit

November 21, 2023

Conditions

Keywords

LEEFhemodynamic parametersheart beatbiofeedback effect

Outcome Measures

Primary Outcomes (1)

  • non-invasive hemodynamic parameter measurements during exposure AM RF EMF

    Identification of hemodymanic alterations induced by the exposure to low levels of amplitude modulation radiofrequency electromagnetic fields (AM RF EMF) in healthy individuals and patients with advanced hepatocellular carcinoma using Artificial Intelligence program to analyze the recorded data set collected by a high-precision and non-invasive hemodynamic monitor.

    90 min on day 1 and day 2

Secondary Outcomes (1)

  • Hemodynamic alteration´s comparison among advanced cancer patients and healthy controls

    120 min (single procedure)

Other Outcomes (1)

  • Searching for cancer-specific frequency modulation

    120 min (single procedure)

Study Arms (1)

Autonomic response

EXPERIMENTAL

Group for determination of biofeedback response - 40 individuals. For the formation of this study group of subjects, 20 healthy volunteers and 20 patients with advanced hepatocellular carcinoma will be selected and studied. Group for determination of ideal frequency - 20 patients. For the formation of this study group of subjects, 20 patients with advanced hepatocellular carcinoma participants in the group will be selected and studied to determine biofeedback response. Group for determination of new specific frequencies - 20 individuals. For the formation of this study group of subjects, 20 patients with advanced hepatocellular carcinoma not exposed to any specific frequency will be selected.

Other: measuring hemodynamic parameters heart beat to heart beat during single-frequency exposure

Interventions

This study aims to create a method for non-invasive diagnosis of biofeedback effect exposure to LEEF modulated to specific frequencies in individuals exposed to hepatocellular carcinoma -specific frequencies in increasing sequential manner, frequency to frequency in patients with advanced hepatocellular carcinoma and healthy individuals. Patients with advanced hepatocellular carcinoma will be exposed to specific LEEF-modulated frequencies (3 to 10 Hz difference) to identify the optimal frequency associated with greater response to the biofeedback effect in patients with advanced hepatocellular carcinoma.

Autonomic response

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Healthy volunteers
  • Must be considered healthy, with no known relevant comorbidity.
  • Patients must not be carriers of active malignant neoplasm or have a history of malignant neoplasm.
  • Must be over 18 years old.
  • Must have the ability to understand and provide written Informed Consent.
  • Patients with hepatocellular carcinoma
  • Patients must be diagnosed with inoperable HCC.
  • Presence of the primary or metastatic tumor at the time of the procedure.
  • Patients diagnosed with hepatic cirrhosis must be restricted to Child-Pugh A or B.
  • Patients with AFP\> 400 ng/ml and characteristic image do not need histopathological confirmation. However, in patients with serology for active B virus, this AFP value must be greater than 4000 ng/ml. The remaining patients must have histological confirmation of HCC.
  • Patients may be in observation or in the course of systemic or intra-hepatic treatment.
  • Must have the ability to understand and provide written Informed Consent.

You may not qualify if:

  • They cannot stop antihypertensive drugs or beta blockers for at least 24 hours.
  • Have a pacemaker or other implantable device.
  • Pregnant or breastfeeding.
  • Under the age of 18.
  • Patients undergoing radiotherapy or up to 2 weeks after its suspension.
  • Inability to understand and provide written Informed Consent.
  • Child Pugh C hepatic cirrhosis.
  • Patient without definite diagnosis.
  • Absence of primary or metastatic tumor at the time of the procedure.
  • Potentially eligible participants will be previously guided by the researcher on the objectives and risks of the study in question and will be presented and informed about the Free, Prior and Informed Consent document.
  • Only after all doubts related to the study have been clarified and the Free, Prior and Informed Consent document has been signed, will the study participant be invited and scheduled to attend the Oncology Center clinic of Hospital Sírio Libanês.
  • Patients must be informed that they may not drink alcohol up to 12 hours before the procedure, as there may be interference during the procedure.
  • They will also be advised not to use antihypertensive drugs like beta-blockers or calcium channel inhibitors 24 hours before the procedure, without resulting in a risk to the participant's health.
  • In this study, following or follow-up of patients is not foreseen.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital Sírio-Libanês

São Paulo, Brazil

RECRUITING

MeSH Terms

Conditions

Carcinoma, Hepatocellular

Condition Hierarchy (Ancestors)

AdenocarcinomaCarcinomaNeoplasms, Glandular and EpithelialNeoplasms by Histologic TypeNeoplasmsLiver NeoplasmsDigestive System NeoplasmsNeoplasms by SiteDigestive System DiseasesLiver Diseases

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Model Details: measuring hemodynamic parameters heart beat to heart beat during single-frequency exposure
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal investigator

Study Record Dates

First Submitted

February 20, 2018

First Posted

February 28, 2018

Study Start

February 15, 2018

Primary Completion

August 15, 2021

Study Completion

December 16, 2023

Last Updated

November 22, 2023

Record last verified: 2023-11

Data Sharing

IPD Sharing
Will not share

There is no sharing plan.

Locations