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Effects of Low Frequency Magnetic Field on Exercise Induced Angina

25. august 2011 opdateret af: Aerotel Ltd

Effects of Low Frequency Electromagnetic Field on Patients With Exercise Induced Angina

The investigators have previously shown that a frequency of 15.95-16.00 Hz protects against acute myocardial infarction in rats. In the current study the investigators would like to investigate whether this frequency enables cardiac patients with exercise-induced chest pain to exercise at higher workload and heart rate. Therefore, patients will undergo two exercise stress tests, one test after being exposed to 30 minutes of the above mentioned frequency and another test after being exposed to sham (no frequency is turned ON). The investigators will measure changes in the electrocardiogram (ECG), workload, exercise time, and subjective measure of chest pain (angina).

Studieoversigt

Status

Ukendt

Betingelser

Detaljeret beskrivelse

Several studies have shown that low frequency electromagnetic field has biological and therapeutic potential on the human body, however, to very limited extent on the heart. In the current study cardiac patients suffering from exercise-induced-angina will undergo two consecutive stress tests, one test after being exposed for 30 minutes to the magnetic field and the other test after being exposed to placebo (magnetic field not operated). The order of which the magnet will be operated will be randomly assigned for the patients so a group of patients will be exposed to the magnetic field at their first stress test and another groups of patients will be exposed to the magnetic field at their second stress test. During resting period, and while the patients are subjected to the magnetic field, a 12 lead electrocardiogram (ECG) will be monitored. Thereafter the magnetic field and frequency will be turned off and the patients will be subjected to graded exercise stress test during which they will be monitored for ECG and blood pressure changes. Similar monitoring will be documented during the recovery period following the stress test. In addition, the patients will grade their angina score as documented during the stress test. The data will be compared between the two stress tests and to document any advantageous of the magnetic field on exercise time, workload, ECG changes and/or chest pain.

Undersøgelsestype

Observationel

Tilmelding (Forventet)

40

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Israel
      • Tel-Hashomer, Israel, 52621
        • Cardiac Rehabilitation Institute, sheba Medical Center

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

35 år til 75 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Patients enrolled at the Cardiac Rehabilitation Institute, sheba Medical Center

Beskrivelse

Inclusion Criteria:

Patients with known exercise-induced-angina

Exclusion Criteria:

Patients that changed treatment course between the two exercise stress tests Patients that decided to drop from the second exercise stress test

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Frequency exposed patients
Patients exposed to the magnetic field with the specific frequency

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Exercise workload for a given ECG change
Tidsramme: within a month from the second exercise stress test
Exercise workload wil be compared between the two tests and according with the ECG changes recorded at these two tests.
within a month from the second exercise stress test

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Angina scale
Tidsramme: Within a month from the last exercise stress test
Define the angina scale obtained between the two tests at a given workload.
Within a month from the last exercise stress test

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Aerotel Ltd

Samarbejdspartnere

Sheba Medical Center

Efterforskere

  • Ledende efterforsker: Ilan Hai, MD, Cardiac Rehabilitation Institute, sheba Medical Center

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. november 2011

Primær færdiggørelse (Forventet)

1. maj 2012

Studieafslutning (Forventet)

1. oktober 2012

Datoer for studieregistrering

Først indsendt

24. august 2011

Først indsendt, der opfyldte QC-kriterier

25. august 2011

Først opslået (Skøn)

26. august 2011

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

26. august 2011

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

25. august 2011

Sidst verificeret

1. august 2011

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • frequency medicine for angina

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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Sponsorer og samarbejdspartnere

Medicinske tilstande

Narkotikainterventioner

CROs by country

CROs in Sweden

Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

Abonner