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Study of Effectiveness of Lovastatin to Prevent Radiation-Induced Rectal Injury

28. september 2016 opdateret af: Virginia Commonwealth University

A Phase II Study to Prevent Radiation-Induced Rectal Injury With Lovastatin

Lovastatin may protect against late effects of radiation therapy in patients with prostate cancer

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Oral lovastatin will be given at the dose of 20 mg/day with evening meal beginning on the first day of external beam radiation therapy (external beam alone or external beam followed by brachytherapy) or on the first day of brachytherapy (brachytherapy alone or brachytherapy followed by external beam radiotherapy) and continue for 12 months.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

73

Fase

  • Fase 2

Kontakter og lokationer

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

Studiesteder

    • Virginia
      • Richmond, Virginia, Forenede Stater, 23249
        • Hunter Holmes McGuire Veterans Administration Medical Center
      • Richmond, Virginia, Forenede Stater, 23298
        • Massey Cancer Center/Virginia Commonwealth University
      • Richmond, Virginia, Forenede Stater, 23805
        • Southside Regional 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

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Han

Beskrivelse

Inclusion Criteria:

  • Histologically or cytologically confirmed diagnosis of adenocarcinoma of the prostate
  • Planned treatment with radiation therapy to include external beam and/or brachytherapy with curative intent (total dose ≥60 Gy). A portion of the rectum must receive at least 60 Gy.
  • Age at least 18 years
  • Karnofsky Performance Status (KPS) ≥ 70
  • No history of prior radiotherapy to the prostate or rectum
  • History of prior malignancy, if likely to live at least 4 years, is acceptable.
  • No evidence of distant metastases
  • Patients may be taking an HMG-coA-reductase inhibitor, but to be eligible, they must be able to be changed to lovastatin 20 mg/day, with the permission of their prescribing physician.
  • Creatine kinase < 5 times upper normal limit
  • Sufficient renal function defined as calculated creatinine clearance ≥ 30ml/min
  • transaminases < 3 times upper normal limit

Exclusion Criteria:

  • Planned abdomino-perineal resection after radiotherapy
  • Contraindication to an HMG-coA-reductase inhibitor
  • Major medical or psychiatric illness, which in the investigator's opinion, would prevent completion of treatment and would interfere with follow-up.
  • Currently taking an inhibitor of cytochrome P450 3A4
  • Active liver or muscle disease

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Støttende pleje
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Lovastatin for 1 yr
Lovastatin (20-80 mg/d) was started on day 1 of radiation and continued for 12 months. Patients were followed for an additional 12 months. Lovastatin once per day for 1 year. After the implant, they are asked to return for checkups (study visits 4-13) 4 weeks, 8 weeks, 4 months, 6 months, 9 months, 12 months, 15 months, 18 months, 21 months and 24 months after the procedure. At 8 weeks, 4 months, 6 months, 9 months and 12 months, will also have a blood test to check their liver.
The HMG-coA reductase inhibitor used in this study will be lovastatin. Dosage: 20 mg/d PO with evening meal. Patients on a higher dose of lovastatin at the time of study entry may continue at that dose level; for patients switching to lovastatin, the dose will be at the discretion of the prescribing physician, but must be at least 20 mg/day.Schedule: begin on the first day of external beam radiation therapy (external beam alone or external beam followed by brachytherapy) or on the day of brachytherapy (brachytherapy alone or brachytherapy followed by external beam radiotherapy) and continue for 12 months. Patients or their third party payers will be expected to cover the cost of the drug.
Andre navne:
  • Mevacor
  • Altopr

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Percentage of Participants With Physician Reported Rectal Toxicity ≥ Grade 2 During the First 2 Years of Radiation Treatment
Tidsramme: 24 months
The primary endpoint of this study was percentage of participants with physician reported rectal toxicity ≥Grade 2 during the first 2 years after treatment. A one sided test will be conducted in order to evaluate reduction of risk from adding Lovastatin. The analysis is using a one-stage design, 5% level of significance, and 83% power.
24 months

Samarbejdspartnere og efterforskere

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

Efterforskere

  • Ledende efterforsker: Mitchell S. Anscher, MD, Massey Cancer 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.

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. april 2007

Primær færdiggørelse (Faktiske)

1. august 2015

Studieafslutning (Faktiske)

1. august 2015

Datoer for studieregistrering

Først indsendt

20. december 2007

Først indsendt, der opfyldte QC-kriterier

20. december 2007

Først opslået (Skøn)

27. december 2007

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

18. november 2016

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. september 2016

Sidst verificeret

1. september 2016

Mere information

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 .

Kliniske forsøg med lovastatin

3
Abonner