NCT03420599

Brief Summary

Studies has shown an increasingly infection rate after splenectomy, and there is a potential correlation between microbiota and immune system. investigators suppose that increasingly infection can be associated with the alteration composition of the gut microbiota after splenectomy. It's investigators' aim to discover if any difference of gut microbiota is exist in patients who suffer from traumatic splenectomy compared with normal people, ultimately aim toreduce and mitigation infection rate through controlling gut microbiota.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
80

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started May 2017

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2017

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

December 24, 2017

Completed
1 month until next milestone

First Posted

Study publicly available on registry

February 5, 2018

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 25, 2019

Completed
15 days until next milestone

Study Completion

Last participant's last visit for all outcomes

December 10, 2019

Completed
Last Updated

February 25, 2019

Status Verified

December 1, 2018

Enrollment Period

2.6 years

First QC Date

December 24, 2017

Last Update Submit

February 22, 2019

Conditions

Keywords

Gut microbiotaSplenectomyInfectionImmuneCytokines

Outcome Measures

Primary Outcomes (2)

  • Transcriptional changes in gut microbiota

    16S rRNA gene sequencing will be performed with stander procedure

    Baseline, 6 months after surgery, 12 months after surgery, 24 months after surgery

  • Transcriptional changes in plasma LPS levels

    Plasma LPS level will be measured by ELISA

    Baseline, 6 months after surgery, 12 months after surgery, 24 months after surgery

Secondary Outcomes (4)

  • Fecal SIgA

    Baseline, 6 months after surgery, 12 months after surgery, 24 months after surgery

  • Fecal calprotectin

    Baseline, 6 months after surgery, 12 months after surgery, 24 months after surgery

  • Plasma DAO

    Baseline, 6 months after surgery, 12 months after surgery, 24 months after surgery

  • Plasma D-Lac

    Baseline, 6 months after surgery, 12 months after surgery, 24 months after surgery

Study Arms (2)

health control

healthy controls are all from normal volunteers

splenectomy

Traumatic patients after total splenectomy

Procedure: splenectomy

Interventions

splenectomyPROCEDURE

Traumatic patients who performed total splenectomy

splenectomy

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Study Population are aged from 18 to 65 years,which divided into 2 groups: Splenectomy, healthy controls

You may qualify if:

  • All the patients underwent an total splenectomy in the First Affiliated Hospital of Harbin Medical University from January 1st, 2015 to May 1st, 2017. Each participant provided a fresh stool sample in hospital when following-up.

You may not qualify if:

  • Use antibiotics and probiotics 3 mouth before samples collection.
  • Other severe abdomen injury
  • Underwent abdomen organ resection surgery
  • Other digestive system disease

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

First affiliated hospital of Harbin medical university

Harbin, Heilongjiang, 150001, China

RECRUITING

MeSH Terms

Conditions

Infections

Interventions

Splenectomy

Intervention Hierarchy (Ancestors)

Surgical Procedures, Operative

Study Officials

  • Wei Yunwei

    First Affiliated Hospital of Harbin Medical University

    STUDY DIRECTOR

Central Study Contacts

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 24, 2017

First Posted

February 5, 2018

Study Start

May 1, 2017

Primary Completion

November 25, 2019

Study Completion

December 10, 2019

Last Updated

February 25, 2019

Record last verified: 2018-12

Locations