NCT03161119

Brief Summary

Numerous published trials now document that the embryo transfer (ET) procedure has a huge impact on pregnancy and delivery rates after IVF (In Vitro Fertilization). To compare the ease of use (defined as the rate of successful atraumatic insertion) of different types of embryo transfer (ET) catheters. This prospective randomized unblinded controlled clinical trial is performed to determine if there is any difference in ease of use among 2 different catheters : Cook k-soft-5000, Cook K-JETS-551910-S. Inclusion criteria: patients \< / = 38 years of age, body mass index (BMI) between 18 and 28, at least one frozen-thawed blastocyst transferred. Exclusion criteria: ICSI (Intracytoplasmic Sperm Injection)-TESE (Testicular Sperm Extraction) IVF cycles. A number of 352 consecutive women undergoing embryo transfer will be selected for this prospective, randomized controlled trial. Two protocols for endometrial preparation will be used before frozen/thawed blastocyst transfer: the modified spontaneous protocol and the oral/transdermal preparation protocol. ET will be done with patient in lithotomy position, under ultrasound guidance. No anesthesia will be used for the procedure. 176 patients will be enrolled in this trial and randomized to enter one of the two catheter group.

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
352

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Sep 2017

Typical duration for not_applicable

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 4, 2017

Completed
15 days until next milestone

First Posted

Study publicly available on registry

May 19, 2017

Completed
4 months until next milestone

Study Start

First participant enrolled

September 26, 2017

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2019

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2019

Completed
Last Updated

March 21, 2019

Status Verified

June 1, 2018

Enrollment Period

1.7 years

First QC Date

May 4, 2017

Last Update Submit

March 19, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Prevalence of difficult transfers (Number of difficult transfers/ Total transfers)

    Difficult transfers are defined as 1. for Cook k-soft-5000 catheter: advancement of the outer sheath, multiple attempts, force, required manipulation, use of a stylet or tenaculum, dilatation; 2. for Cook K-JETS-551910-S catheter: required manipulation, multiple attempts, force, the use of a stylet or tenaculum, dilatation.

    through study completion, 18 months

Secondary Outcomes (1)

  • Inter-operator variability in prevalence of difficult transfers with the 2 catheters

    through study completion, 18 months

Study Arms (2)

Catheter Cook K-Jets-551910-S

EXPERIMENTAL

Catheter Cook K-Jets-551910-S consists of an outer firm and an inner ultrasoft catheter. The outer guiding catheter (17 cm long) is slightly stiff, with a preshaped curve and a rounded bulb tip to help negotiate the cervical canal. It has a depth marker at 4 cm from the tip, which can be pulled back to a second marker at 5 cm. The inner catheter (23 cm long) is made of a soft material with a rounded bullet tip. In general, the inner catheter does not negotiate the cervical canal directly but rather is introduced into the uterine cavity through the outer catheter.

Device: Ultrasound guided embryotransfer with Cook K-Jets-551910-S

Catheter Cook k-soft-5000 (or K-J-SP-681710, K-J-SPPE-68171)

ACTIVE COMPARATOR

This catheter system consists of an outer firm and inner soft catheter. The outer guiding catheter (15,4 cm long) is straight and made of flexible material. The inner catheter (23 cm long) is made of a very soft and flexible polyurethan. The inner catheter is introduced directly through the cervix.

Device: Ultrasound guided embryotransfer with Cook k-soft-5000 (or K-J-SP-681710 and K-J-SPPE-681710)

Interventions

On the day of ET, patient will be asked to come with full bladder. ET will be done with patient in lithotomy position. No anesthesia will be used for the procedure. Under sterile condition, vaginal parts will be cleaned with saline and draped and speculum inserted to expose cervix. Cervical mucus and cervix will be cleaned with sterile media. The Et procedure itself is standardized as far as possible amongst the participating physicians to eliminate bias.

Catheter Cook K-Jets-551910-S

On the day of ET, patient will be asked to come with full bladder. ET will be done with patient in lithotomy position. No anesthesia will be used for the procedure. Under sterile condition, vaginal parts will be cleaned with saline and draped and speculum inserted to expose cervix. Cervical mucus and cervix will be cleaned with sterile media. The Et procedure itself is standardized as far as possible amongst the participating physicians to eliminate bias.

Catheter Cook k-soft-5000 (or K-J-SP-681710, K-J-SPPE-68171)

Eligibility Criteria

Age18 Years - 38 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • body mass index (BMI) between 18 and 28,
  • at least one frozen/thawed blastocyst

You may not qualify if:

  • ICSI-TESE cycles

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Paolo Emanuele Levi Setti

Rozzano, MI, 20089, Italy

RECRUITING

Related Publications (1)

  • Levi Setti PE, Cirillo F, Morenghi E, Immediata V, Caccavari V, Baggiani A, Albani E, Patrizio P. One step further: randomised single-centre trial comparing the direct and afterload techniques of embryo transfer. Hum Reprod. 2021 Aug 18;36(9):2484-2492. doi: 10.1093/humrep/deab178.

MeSH Terms

Conditions

Infertility

Condition Hierarchy (Ancestors)

Genital DiseasesUrogenital Diseases

Study Officials

  • Paolo E Levi Setti

    Istituto Clinico Humanitas

    STUDY DIRECTOR

Central Study Contacts

Paolo E Levi Setti, Professor

CONTACT

Federico E Cirillo, MD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 4, 2017

First Posted

May 19, 2017

Study Start

September 26, 2017

Primary Completion

June 1, 2019

Study Completion

December 1, 2019

Last Updated

March 21, 2019

Record last verified: 2018-06

Data Sharing

IPD Sharing
Will not share

Locations