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Loading Regimen，Serum Trough Concentrations，Efficacy and Safety in Pneumonia Patients With Gram-positive Infections

21. juli 2017 opdateret af: LIjuan Zhou, People's Hospital of Zhengzhou University

A Retrospective Study of Relationships Between Loading Regimen，Serum Trough Concentrations，Efficacy and Safety in Pneumonia Patients With Gram-positive Infections Treated With Teicoplanin

This was a retrospective study that all teicoplanin-treated adult patients with Gram-positive infections admitted to Zhengzhou Central Hospital affiliated to Zhengzhou University from February 2015 to August 2016.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

  1. Patients and protocol This was a retrospective study that all teicoplanin-treated adult patients with Gram-positive infections admitted to Zhengzhou Central Hospital affiliated to Zhengzhou University from February 2015 to August 2016. Patients were included who met the following criteria: (1) age≥18 years, (2) duration of teicoplanin therapy≥5 days, (3) written informed consent was obtained from each patients. Patients were excluded who fulfilled any of the following criteria: (1) Patients who were allergy to teicoplanin, (2) pregnant women, (3) patients with hematopoietic function, (4) patients unable to evaluate efficacy and safety. This study was approved by the research ethics committee of the Zhengzhou Central Hospital affiliated to Zhengzhou University.
  2. Treatment regimen and groups According to CLcr and teicoplanin loading dose regimen, all patients were divided into four groups. Group A (CLcr≥60mL/min) : Teicoplanin was intravenously administered 3 times for moderate infections (skin, soft tissue and respiratory infections) or 6 times for severe infections(endocarditis caused by MRSA or severe pneumonia) at the loading dose of 400 mg at 12h intervals, followed by maintenance dosing 400 mg/d. Group B (40 mL/min≤CLcr<60mL/min) : Teicoplanin was intravenously administered 3 times at the loading dose of 400 mg at 12h intervals, followed by maintenance dosing 400 mg/d. Group C (CLcr<40mL/min) : Teicoplanin was intravenously administered 2 times at the loading dose of 400 mg at 12h intervals, followed by maintenance dosing 200 mg/d. Group D (standard regimen) : Teicoplanin was intravenously administered 1-3 times at the loading dose of 400 mg at 12h intervals, followed by maintenance dosing 200 mg/d. The maintenance dosing was adjusted by Cmin and CLcr in all groups. The target Cmin was set to 15~30 mg/L. If Cmin<15 mg/L or >30 mg/L, the maintenance dosage was increased or decreased appropriately up to target Cmin range. CLcr values for male and female were calculated based on the following equations, respectively.

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

113

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

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

The clinical data of 113 patients who were suffered with severe Gram-positive infection and treated with teicoplanin from February 2015 to August 2016 were retrospectively analyzed.

Beskrivelse

Inclusion Criteria:

  • age≥18 years
  • duration of teicoplanin therapy≥5 days
  • written informed consent was obtained from each patients

Exclusion Criteria:

  • Patients who were allergy to teicoplanin
  • pregnant women
  • patients with hematopoietic function
  • patients unable to evaluate efficacy and safety

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
Intervention / Behandling
Group A
Group A (CLcr≥60mL/min) : Teicoplanin was intravenously administered 3 times for moderate infections (skin, soft tissue and respiratory infections) or 6 times for severe infections(endocarditis caused by MRSA or severe pneumonia) at the loading dose of 400 mg at 12h intervals, followed by maintenance dosing 400 mg/d.
Enhed: other antibacterial agents，breathing machine
If treatment failure for patients in group A，group B，group C and group D，change dose of teicoplanin or other antibacterial agents. Mechanical ventilation was adopte.Treatment failure was defined as no improvement or worse of clinical symptoms, laboratory data, requiring change of teicoplanin therapy.
Group B
Group B (40 mL/min≤CLcr<60mL/min) : Teicoplanin was intravenously administered 3 times at the loading dose of 400 mg at 12h intervals, followed by maintenance dosing 400 mg/d.
Enhed: other antibacterial agents，breathing machine
If treatment failure for patients in group A，group B，group C and group D，change dose of teicoplanin or other antibacterial agents. Mechanical ventilation was adopte.Treatment failure was defined as no improvement or worse of clinical symptoms, laboratory data, requiring change of teicoplanin therapy.
Group C
Group C (CLcr<40mL/min) : Teicoplanin was intravenously administered 2 times at the loading dose of 400 mg at 12h intervals, followed by maintenance dosing 200 mg/d.
Enhed: other antibacterial agents，breathing machine
If treatment failure for patients in group A，group B，group C and group D，change dose of teicoplanin or other antibacterial agents. Mechanical ventilation was adopte.Treatment failure was defined as no improvement or worse of clinical symptoms, laboratory data, requiring change of teicoplanin therapy.
Group D
Group D (standard regimen) : Teicoplanin was intravenously administered 1-3 times at the loading dose of 400 mg at 12h intervals, followed by maintenance dosing 200 mg/d.
Enhed: other antibacterial agents，breathing machine
If treatment failure for patients in group A，group B，group C and group D，change dose of teicoplanin or other antibacterial agents. Mechanical ventilation was adopte.Treatment failure was defined as no improvement or worse of clinical symptoms, laboratory data, requiring change of teicoplanin therapy.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Serum teicoplanin trough concentrations
Tidsramme: 0.5 hour before teicoplanin administration on the fourth day
Teicoplanin trough samples were taken immediately 30 minutes before teicoplanin administration on the fourth day. Blood samples for 2-3 mL were collected in blood-collection tubes without any additives and centrifuged at 3500 rpm for 10min. Serum teicoplanin trough concentrations (Cmin) were determined by a high-performance liquid chromatography method as previously described. The detections were completed in Translational Medicine Center of Zhengzhou Central Hospital affiliated to Zhengzhou University.
0.5 hour before teicoplanin administration on the fourth day

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
White blood cell count (WBC)
Tidsramme: 2 years
It was completed before initiation and after completion of teicoplanin therapy in Zhengzhou city clinical inspection center.
2 years
C-reaction protein (CRP)
Tidsramme: 2 years
It was completed before initiation and after completion of teicoplanin therapy in Zhengzhou city clinical inspection center.
2 years
Asparttate aminotransferase (AST)
Tidsramme: 2 years
It is an indicator of liver function.It was completed before initiation and after completion of teicoplanin therapy in Zhengzhou city clinical inspection center.
2 years
Alanine aminotransferase (ALT)
Tidsramme: 2 years
It is an indicator of liver function.It was completed before initiation and after completion of teicoplanin therapy in Zhengzhou city clinical inspection center.
2 years
Serum creatinine (Scr)
Tidsramme: 2 years
It is an indicator of renal function.It was completed before initiation and after completion of teicoplanin therapy in Zhengzhou city clinical inspection center.
2 years
CLcr
Tidsramme: 2 years
It is an indicator of renal function.It was completed before initiation and after completion of teicoplanin therapy in Zhengzhou city clinical inspection center.
2 years

Samarbejdspartnere og efterforskere

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

Sponsor

People's Hospital of Zhengzhou University

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 (Faktiske)

1. februar 2015

Primær færdiggørelse (Faktiske)

20. august 2016

Studieafslutning (Faktiske)

30. oktober 2016

Datoer for studieregistrering

Først indsendt

19. juli 2017

Først indsendt, der opfyldte QC-kriterier

21. juli 2017

Først opslået (Faktiske)

25. juli 2017

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

25. juli 2017

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

21. juli 2017

Sidst verificeret

1. juli 2017

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • LZhou

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

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