A Program to Evaluate Riastap® and FIBTEM® for the Early Control and Treatment of Postpartum Hemorrhage (PERFECT PPH) (PERFECT PPH)

In this prospective, single-center, randomized, placebo-controlled, double-blind clinical trial, parturients with primary PPH are eligible for treatment with fibrinogen concentrate following both vaginal delivery and cesarean section complicated by an estimated blood loss (EBL) >1000 mL and an ongoing bleeding notwithstanding standard treatment measures (volume replacement, uterine massage, and uterotonic agents).

Study Overview

• Status: Withdrawn
• Conditions: Postpartum Hemorrhage
• Intervention / Treatment: Drug: Placebo; Drug: fibrinogen concentrate

Detailed Description

The proposed trial targets early detection and treatment of fibrinogen depletion in PPH. A widespread belief in the benefits of early fibrinogen substitution in cases of PPH has led to an increased use for this indication. The PERFECT PPH aims to provide an evidence-based knowledge for the recommendation of the early use of fibrinogen concentrate in PPH.

• Study Type: Interventional
• Phase: Phase 2; Phase 1

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 50 years (Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: Female

Description

Inclusion Criteria:

• Informed consent from participant
• Age ≥18 years and <50 years
• Primary PPH defined as bleeding from uterus and/or the birth canal within 24 hours postpartum
• Vaginal delivery or Cesarean delivery (irrespective of etiology of PPH, such as accreta), with EBL >1000 mL and ongoing bleeding notwithstanding standard treatment measures (volume replacement, uterine massage, uterotonic agents)
• FIBTEM®- A10 <18 mm (corresponding to a MCF value of <20 mm and to a plasma fibrinogen level approximately <3 g/L)

Exclusion Criteria:

• Refusal to give written informed consent
• Refusal to receive blood transfusion
• Known inherited deficiencies of coagulation
• Personal history of thrombosis
• Either pre-pregnancy or ante-partum antithrombotic treatment due to increased risk of thrombosis
• Administration of Platelets, FFP or cryotherapy prior to study drug

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Quadruple

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Placebo Comparator: Placebo; At the same time of randomization code generation, blood samples for a baseline ROTEM® analysis will be drawn, and blood products will be ordered. Patients will be eligible to receive study drug (fibrinogen concentrate or 0.9% saline solution), according to the randomization code previously generated, only if FIBTEM® - A10 value is <18 mm (corresponding to a MCF value of <20 mm, that is a plasma fibrinogen level <3 g/L).	Drug: Placebo; 0.9% saline solution; Other Names: saline
Experimental: Fibrinogen concentrate; At the same time of randomization code generation, blood samples for a baseline ROTEM® analysis will be drawn, and blood products will be ordered. Patients will be eligible to receive study drug (fibrinogen concentrate or 0.9% saline solution), according to the randomization code previously generated, only if FIBTEM® - A10 value is <18 mm (corresponding to a MCF value of <20 mm, that is a plasma fibrinogen level <3 g/L).	Drug: fibrinogen concentrate; The dose of fibrinogen concentrate needed to achieve this target will be calculated using a formula that accounts for the baseline FIBTEM® - A10 value and the patient's body weight assessed at hospital admission . In general, a 70-kg patient requires a fibrinogen dose of approximately 0.5 g to increase the MCF by approximately 1 mm.; Other Names: Riastap

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
maximum clot firmness (MCF via FIBTEM A10)	fib-tem® is a ready-to-use ROTEM® system reagent for use with citrated whole blood. It assesses the clot firmness of the fibrin clot. This is influenced mainly by the fibrinogen- and F XIII levels of the blood sample and by fibrin polymerisation disorders. The reagent contains a powerful platelet inhibitor; therefore only a fibrin clot is formed and measured. MCF is measured as the maximal amplitude of the curve.	15 minutes
maximum clot firmness (MCF via FIBTEM A10)	fib-tem® is a ready-to-use ROTEM® system reagent for use with citrated whole blood. It assesses the clot firmness of the fibrin clot. This is influenced mainly by the fibrinogen- and F XIII levels of the blood sample and by fibrin polymerisation disorders. The reagent contains a powerful platelet inhibitor; therefore only a fibrin clot is formed and measured. MCF is measured as the maximal amplitude of the curve.	1 hour
maximum clot firmness (MCF via FIBTEM A10)	fib-tem® is a ready-to-use ROTEM® system reagent for use with citrated whole blood. It assesses the clot firmness of the fibrin clot. This is influenced mainly by the fibrinogen- and F XIII levels of the blood sample and by fibrin polymerisation disorders. The reagent contains a powerful platelet inhibitor; therefore only a fibrin clot is formed and measured. MCF is measured as the maximal amplitude of the curve.	6 hours
maximum clot firmness (MCF via FIBTEM A10)	fib-tem® is a ready-to-use ROTEM® system reagent for use with citrated whole blood. It assesses the clot firmness of the fibrin clot. This is influenced mainly by the fibrinogen- and F XIII levels of the blood sample and by fibrin polymerisation disorders. The reagent contains a powerful platelet inhibitor; therefore only a fibrin clot is formed and measured. MCF is measured as the maximal amplitude of the curve.	24 hours

Collaborators and Investigators

• Sponsor: Yale University
• Collaborators: CSL Behring
• Investigators: Principal Investigator: Michael J Paidas, MD, Yale School of Medicine

Study record dates

Study Major Dates

• Study Start (Anticipated): January 1, 2021
• Primary Completion (Anticipated): December 1, 2021
• Study Completion (Anticipated): December 1, 2021

Study Registration Dates

• First Submitted: August 18, 2015
• First Submitted That Met QC Criteria: August 18, 2015
• First Posted (Estimate): August 19, 2015

Study Record Updates

• Last Update Posted (Actual): March 15, 2021
• Last Update Submitted That Met QC Criteria: March 10, 2021
• Last Verified: March 1, 2021

More Information

Terms related to this study

• Keywords: coagulation; fibrinogen concentrate
• Additional Relevant MeSH Terms: Pathologic Processes; Pregnancy Complications; Obstetric Labor Complications; Puerperal Disorders; Uterine Hemorrhage; Hemorrhage; Postpartum Hemorrhage
• Other Study ID Numbers: 1504015615

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: Yes
• Studies a U.S. FDA-regulated device product: No
• product manufactured in and exported from the U.S.: Yes