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Impact of Preoperative HbA1c Levels on Pathologic Features and Oncological Outcomes in the Patients With Prostate Cancer

17. maj 2015 opdateret af: Sung Kyu Hong, Seoul National University Hospital

Prospective Cohort Study for the Impact of Preoperative Glycemic Control Status Measured by HbA1c Levels on Pathologic Features and Oncological Outcomes in the Patients With Prostate Cancer

The effect of preoperative glycemic control measured by HbA1c on prostate cancer (PCa) outcome remains controversial. Thus, the investigators aim to examine the association of preoperative glycemic control with oncologic outcomes after radical prostatectomy (RP).

The investigators will prospectively collect the relevant data including preoperative HbA1c in 264 patients of PCa patients undergoing RP. The associations between clinical variables and risk of adverse pathological features and disease recurrence will be tested using a multivariate logistic regression and multiple Cox-proportional hazards model, respectively.

Studieoversigt

Status

Ukendt

Detaljeret beskrivelse

  • This is the observational study as the single institutional, prospective cohort study. The investigators prospectively collect the clinicopathological information of the patients with prostate cancer (PCa) undergoing radical prostatectomy (RP).
  • Particularly, the investigators check the variables, including age at surgery, body mass index, comorbidities, preoperative PSA levels, prostate volume measured by TRUS, preoperative HbA1c levels, biopsy Gleason score, positive biopsy cores, percent positive cores, clinical TMN staging, final pathological results (TMN stage, Gleason score, extraprostatic extension, seminal vesicle invasion, surgical margin positivity, postoperative biochemical recurrence (BCR), local recurrence, and distant metastasis during follow-up periods.
  • The study protocol is same with routine follow-up schedule of the patients with PCa treated with RP. Typically, the investigators check the patients at 1, 3, 6, 9, 12, 18, 24, 30 and 36 months. However, according to the patients status and preference, follow-up schedule can be changed within 3 months at specific time points. Because the present study is the observational cohort study, not intervention study, subtle changes of follow-up schedule would not affect on the primary outcomes.
  • Importantly, preoperative HbA1c should be checked within 1 month before operation, same as the routine preoperative laboratory tests.

Undersøgelsestype

Observationel

Tilmelding (Forventet)

264

Kontakter og lokationer

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

Studiesteder

    • Kyunggi-do
      • Seongnam-si, Kyunggi-do, Korea, Republikken, 463-707
        • Rekruttering
        • Seoul National University Bundang Hospital
        • Kontakt:
          • Sung Kyu Hong, M.D, Ph.D
          • Telefonnummer: +82-31-787-7343
          • E-mail: hsk823@chol.com
        • Kontakt:
          • Jae-kyung Oh, B.S.
          • Telefonnummer: +82-31-787-2654
          • E-mail: r1414@snubh.org

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

20 år til 80 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Han

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Enrolled patients should be diagnosed with prostate cancer by TRUS-guided 12 cores biopsy. In addition, the participants should be treated with radical prostatectomy.

Beskrivelse

Inclusion Criteria:

  • Prostate cancer diagnosed with prostate biopsy
  • Clinically localized PCa confirmed by prostate MRI and Bone scan
  • Patients undergoing RP

Exclusion Criteria:

  • Distant metastasis, preoperatively
  • Preoperative hormone therapy
  • Preoperative chemotherapy
  • Radiation therapy
  • Medications affecting glucose status other than diabetes mellitus

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Biochemical recurrence (BCR)
Tidsramme: postoperative up to 3 years
BCR was defined as either two consecutive increases in serum PSA (>0.2 ng/mL) or the administration of adjuvant therapy during the postoperative follow-up period
postoperative up to 3 years
Pathological Gleason score
Tidsramme: within 2 weeks after surgery
Gleason scores of prostate cancer specimen described in final pathological report
within 2 weeks after surgery

Sekundære resultatmål

Resultatmål
Tidsramme
Pathological TMN stage
Tidsramme: within 2 weeks after surgery
within 2 weeks after surgery

Samarbejdspartnere og efterforskere

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

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. maj 2015

Primær færdiggørelse (Forventet)

1. juni 2018

Studieafslutning (Forventet)

1. juni 2018

Datoer for studieregistrering

Først indsendt

3. maj 2015

Først indsendt, der opfyldte QC-kriterier

5. maj 2015

Først opslået (Skøn)

6. maj 2015

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

19. maj 2015

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

17. maj 2015

Sidst verificeret

1. maj 2015

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 .

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