NCT03232359

Brief Summary

Immature platelet fraction is a non-invasive test of real time thrombopoiesis. High IPF% has been suggested as an indicator of thrombocytopenia due to rapid platelet consumption. IPF% is able to discriminate between patients with TTP/HUS or SPE/HELLP

Trial Health

100
On Track

Trial Health Score

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

Enrollment
57

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Jan 2015

Status
completed

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

January 1, 2015

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2015

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2016

Completed
1.1 years until next milestone

First Submitted

Initial submission to the registry

July 23, 2017

Completed
5 days until next milestone

First Posted

Study publicly available on registry

July 28, 2017

Completed
Last Updated

July 28, 2017

Status Verified

July 1, 2017

Enrollment Period

11 months

First QC Date

July 23, 2017

Last Update Submit

July 26, 2017

Conditions

Outcome Measures

Primary Outcomes (1)

  • clinical response after delivery

    clinical and laboratory changes after delivery

    48 hours after delivery

Study Arms (3)

SPE/HELLP group

This group included 24 pregnant women (gestational age of \>20 weeks) who were diagnosed as having TMA with provisional diagnosis of pre-eclampsia, HELLP syndrome. immature platelets fraction assessment within 12 hours of diagnosis

Diagnostic Test: immature platelets fraction

TTP/HUS group

This group included 13 pregnant women (gestational age of \>20 weeks) who were diagnosed as having TMA with provisional diagnosis of TTP/HUS. HELLP syndrome. immature platelets fraction assessment within 12 hours of diagnosis

Diagnostic Test: immature platelets fraction

Control group

This group included 20 pregnant women (gestational age of \>20 weeks) having normal pregnancy with normal blood pressure and platelet count.

Diagnostic Test: immature platelets fraction

Interventions

IPF-% and A-IPC using a reticulocyte detection channel CBC auto analyzer

Control groupSPE/HELLP groupTTP/HUS group

Eligibility Criteria

Age20 Years+
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Group 1: SPE/HELLP group. This group included 24 pregnant women (gestational age of \>20 weeks) who were diagnosed as having TMA with provisional diagnosis of pre-eclampsia, HELLP syndrome. Group 2: TTP/HUS group. This group included 13 pregnant women (gestational age of \>20 weeks) who were diagnosed as having TMA with provisional diagnosis of TTP/HUS. Group 3: Control group. This group included 20 pregnant women (gestational age of \>20 weeks) having normal pregnancy with normal blood pressure and platelet count.

You may qualify if:

  • Older than 20 years of age
  • Pregnant with singleton intrauterine pregnancy
  • More than 20 weeks of gestation

You may not qualify if:

  • Congenital malformation and fetuses with chromosomal or genetic syndrome.
  • Recent blood transfusion.
  • Refusal to participate in the study.
  • BMI \<18.
  • Placental abnormalities like velamentous insertion.
  • Multiple pregnancies.
  • Known kidney disease.
  • History of auto immune disease.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Pre-EclampsiaHELLP Syndrome

Condition Hierarchy (Ancestors)

Hypertension, Pregnancy-InducedPregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital Diseases

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
3 Weeks
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
doctor

Study Record Dates

First Submitted

July 23, 2017

First Posted

July 28, 2017

Study Start

January 1, 2015

Primary Completion

December 1, 2015

Study Completion

June 1, 2016

Last Updated

July 28, 2017

Record last verified: 2017-07

Data Sharing

IPD Sharing
Will not share