Centre For Clinical Research And Biostatistics (CCRB)

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1 Unique Trial Number (assigned by CCRB)

CUHK_CCT00081

2 Trial Registration Date

2005-09-22

i Registration Status

Prospective

3 Secondary IDs

CUHK4408/05M

4 Source(s) of Funding

Research Grants Council, Hong Kong

5 Primary Sponsor

Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong

6 Secondary Sponsor

n/a

Function

Please specify

7 Responsible Contact Person (public contact person for patients interested in participating)

i Name

Prof W. Ngan Kee

ii Address

Dept of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong

iii Phone

+852 26322735

iv Email

email warwick@cuhk.edu.hk

v Affiliation

The Chinese University of Hong Kong

vi Country

8 Research Contact Person (person to contact for scientific inquiries)

i Name

Prof W. Ngan Kee

ii Address

Dept of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong

iii Phone

+852 26322735

iv Email

email warwick@cuhk.edu.hk

v Affiliation

+852 26322735

vi Country

9 Official Scientific Title of the Study

Maintenance of maternal arterial blood pressure during spinal anaesthesia for Caesarean section: development of a novel computer-controlled closed-loop feedback vasopressor infusion control system

10 Public Title

Maintenance of maternal arterial blood pressure during spinal anaesthesia for Caesarean section: development of a novel computer-controlled closed-loop feedback vasopressor infusion control system

i Public Title in Chinese 研究名稱

11 Short Title (Optional)

Com puter controlled vasopressors

12 Countries of Recruitment

Hong Kong

13 Research Ethic Review

i Has the study received appropriate ethics approval?

Yes

ii When is the approval date?

2004-12-14

iii Full Name of IRB/IEC

Please specify

iv IRB/IEC approval reference number

14 Medical Condition Being Studied

Conditions of the Urinary Tract and Sexual Organs, and Pregnancy

15 Intervention

i Types of intervention

Device

Please specify

ii Description/ name of Intervention/article

Computer controlled closed loop vasopressor infusion system

iii Dosage form of the intervention

iv Dosage of the intervention

v Duration of the intervention

Approx 30 min

vi Frequency of the intervention

16 Comparative Treatments

i Description/ name of comparative treatments

Manual versus computer control

ii Dosage form of the comparative treatments

iii Dosage of the comparative treatments

iv Duration of the comparative treatments

v Frequency of the comparative treatments

17 Key Inclusion and Exclusion Criteria

i Inclusion Criteria

Inclusion: elective Caeasarean section under spinal anaesthesia.

ii Exclusion Criteria

Exclusion: fetal abnormality, hypertension, preeclampsia

iii Age Minimum

18

iv Age Maximum

50

v Gender

Female

18 Study Type

Interventional

19 Study Design

i Randomization

Randomized

Please specify

ii Nature of control

Active

iii Degree of masking

Single-blind

If Single-blind, who will be masked?

iv Group Assignment

Parallel

v Study Phase

Please specify

vi Study Objectives (Optional)

20 Anticipated trial start date

2006-01-01

21 Target Sample Size

100

22 Recruitment Status

Complete

23 Primary Outcome

incidence of hypotension

24 Secondary Outcome

haemodynamic changes

25 Study Information/Publication

i Study Information/Publication Available?

No

ii Link to Study Information/Publication

26 Last Update Date

2013-01-10

27 Primary Registry and Trial Identifying Number

28 Date of Registration in Primary Registry

* Legacy Fields

i Recruitment Information Available?

Yes

ii Link to Recruitment Information

www.cuhk.edu.hk

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Trial History Detail on 2009-11-27