NCT03406676

Brief Summary

To explore the effects of pre-treatment with methylene blue on reduced perioperative vascular resistance in patients with obstructive jaundice.

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
70

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Aug 2017

Geographic Reach
1 country

2 active sites

Status
unknown

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2017

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

January 4, 2018

Completed
19 days until next milestone

First Posted

Study publicly available on registry

January 23, 2018

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 30, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 30, 2018

Completed
Last Updated

January 23, 2018

Status Verified

January 1, 2018

Enrollment Period

1.2 years

First QC Date

January 4, 2018

Last Update Submit

January 22, 2018

Conditions

Keywords

Methylene blue; Peripheral vascular resistance

Outcome Measures

Primary Outcomes (1)

  • Peripheral vascular resistance

    the dose of vasoconstrictors used to Maintain Peripheral vascular resistance in the normal range (800 \~ 1200dyns / cm5)

    through operation completion, an average of 6 hours

Study Arms (2)

Methylene blue

EXPERIMENTAL

2mg / Kg of methylene blue in volume of 50ml is administrated I.V before anesthesia induction.

Drug: Methylene Blue

saline

NO INTERVENTION

50ml of saline is administrated I.V before anesthesia induction.

Interventions

2mg / Kg of methylene blue in volume of 50ml is administrated I.V before anesthesia induction.

Also known as: Methylene blue injection
Methylene blue

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Aged between 18-60 years;
  • American Society of Anesthesiologists(ASA) grade I\~III;
  • TBIL\>ULN and TBA\>ULN; The patients with obstructive jaundice.

You may not qualify if:

  • Organs dysfunction(heart,lungs and etc);
  • Mental disorders;
  • in other clinical trial.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Southwest Hospital

Chongqing, Chongqing Municipality, 400038, China

RECRUITING

Southwest Hospital

Chongqing, Chongqing Municipality, 400038, China

RECRUITING

MeSH Terms

Conditions

Jaundice, Obstructive

Interventions

Methylene Blue

Condition Hierarchy (Ancestors)

JaundiceHyperbilirubinemiaPathologic ProcessesPathological Conditions, Signs and SymptomsSkin ManifestationsSigns and Symptoms

Intervention Hierarchy (Ancestors)

PhenothiazinesSulfur CompoundsOrganic ChemicalsHeterocyclic Compounds, 3-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Zheng ShuGuo

    MD Study Director Institute of Hepatobiliary Surgery ,Southwest Hospital ,Third Military Medical University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Ning Jiaolin, Doctor

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor of Institute of Hepatobiliary Surgery, Southwest Hospital, Third Military Medical University Affiliation: Southwest Hospital, China

Study Record Dates

First Submitted

January 4, 2018

First Posted

January 23, 2018

Study Start

August 1, 2017

Primary Completion

October 30, 2018

Study Completion

October 30, 2018

Last Updated

January 23, 2018

Record last verified: 2018-01

Locations