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The Prostate Immobilization Device Study

13. juni 2017 opdateret af: James Taylor
The purpose of this study is to compare reproducibility of the device position and location of the prostate rectum interface between two immobilization devices for radiation therapy of prostate carcinoma.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

The investigator assessed the device position and location of the interface between rectum and prostate weekly during the course of treatment. This information was obtained using a conebeam CT scan on the treatment couch prior to a regularly scheduled radiation treatment. The conebeam CT scan is a standard tool for monitoring patient position and radiation treatment accuracy. Prior to each radiation treatment, the patient was placed in a vaclock immobilization device, then aligned with room lasers to skin tattoos. On board portal imaging was then employed using the KvKv match technique to place isocenter as simulated. For intact prostate treatment, alignment was made to implanted gold fiducial markers. For post prostatectomy patients, the alignment was to pelvic bony anatomy. After patient alignment was complete, a conebeam CT scan was obtained. The position of the anterior rectal wall and the interface between prostate and rectum was compared to the position of these structures at the time of simulation. Measurement was taken in the midline of the prostate gland between its base and apex of the maximum deviation of the rectum prostate interface from its position at the time of simulation. For post prostatectomy patients, a measurement was taken of the maximum deviation from simulation of interface between the rectum and the prostate bed/bladder. These measurements were recorded weekly by the treating radiation oncologist on the Physician Data Sheet.

The difficulty of device insertion, positioning and inflation was recorded daily by the treating personnel based on a scale in the PIDS Daily Radiation Therapist Questionnaire, from 1(none) to 5(unable to insert). These results were summarized by the clinical study coordinators on the PIDS Radiation Therapist Summary.

Patient expression of discomfort during device placement was recorded daily by treating personnel based on a scale in the PIDS Daily Radiation Therapist Questionnaire, from 1(none) to 5(intolerable). These responses will be summarized by the clinical study coordinators on the PIDS Radiation Therapist Summary.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

60

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

  • Forenede Stater
    • Wisconsin
      • Racine, Wisconsin, Forenede Stater, 53405
        • Wheaton Francsican Cancer Care - All Saints

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

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Han

Beskrivelse

Inclusion Criteria:

  • 18 years of age or older
  • Clinically localized T1-3 N0-1 M0 adenocarcinoma of the prostate
  • Planned definitive radiation therapy

Exclusion Criteria:

  • Prior proctectomy
  • Rectal surgery within one year
  • Proctitis
  • Rectal carcinoma
  • Anal Stenosis
  • History of inflammatory bowel disease
  • Scleroderma
  • Systemic sclerosis
  • Refusal of treatment with immobilization device

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Aktiv komparator: Miller enema air tip
The Miller enema air tip rectal balloon is inserted into the rectum prior to radiation simulation and also prior to each radiation treatment to immobilize prostate gland and displace rectal tissue during radiation therapy.
Enhed: Miller Air tip
Miller Enema Air Tip is inserted into rectum prior to simulation and each radiation treatment.
Andre navne:
  • Miller Enema Air Tip
Aktiv komparator: Radiadyne Immobilizer
The Radiadyne Immobilizer Treatment Device is inserted into the rectum prior to radiation simulation and also prior to each radiation treatment to immobilize prostate gland and displace rectal tissue during radiation therapy
Enhed: Radiadyne Immobilizer
Radiadyne Immobilizer is inserted into rectum prior to simulation and each radiation treatment

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Deviation of the Prostate Rectal Interface From Its Position at Time of Simulation.
Tidsramme: Up to 9 weeks
Measurements will be taken for at least 5, and up to 9, occasions on a weekly basis during each patient's course of treatment. An average value will be determined for each patient. An average of individual patient values will be determined for each immobilization device.
Up to 9 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Difficulty of Insertion.
Tidsramme: Up to nine weeks
Difficulty of device insertion was scored for each treatment by the treating radiation therapist on a scale from 1(easiest) to 5(most difficult). An average score was obtained at completion of therapy for each patient. At completion of the study, an average value was obtained for each immobilization device by averaging the average score for each patient .
Up to nine weeks
Patient Expression of Discomfort
Tidsramme: Up to nine weeks
Patient expression of discomfort was scored for each insertion by the treating radiation therapist on a scale from 1(none) to 5(intolerable). An average score was obtained at completion of therapy for each patient. At completion of the study, an average value was obtained for each immobilization device by averaging the average score for each patient .
Up to nine weeks

Samarbejdspartnere og efterforskere

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

Sponsor

James Taylor

Efterforskere

  • Ledende efterforsker: James H Taylor, MD, Wheaton Franciscan Cancer Care - All Saints

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. august 2011

Primær færdiggørelse (Faktiske)

1. oktober 2014

Studieafslutning (Faktiske)

1. oktober 2014

Datoer for studieregistrering

Først indsendt

25. juli 2011

Først indsendt, der opfyldte QC-kriterier

1. august 2011

Først opslået (Skøn)

3. august 2011

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

29. juni 2017

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

13. juni 2017

Sidst verificeret

1. juni 2017

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 11-019-ASH

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

Ingen

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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Betingelser

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Kosttilskud

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Placeringer

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