hCG-activated PBMC-therapy in RIF Patients

NCT ID: NCT03267797

Last Updated: 2019-08-26

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 100 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2017-10-07
• Study Completion Date: 2019-07-11

Brief Summary

Despite the many research done in the field of infertility and in vitro fertilization (IVF), more than half of the embryos transmitted in the IVF and intracytoplasmic sperm injection (ICSI) do not implant successfully. Currently, pregnancy failure following at least three IVF/ET cycle, so that one or two high-quality embryos transmitted in each cycle is defined as recurrent implantation failure (RIF). Maternal and fetal factors can be a reason for implantation failure; maternal factors include endometrial receptivity, uterine anatomic abnormalities, and immunologic factors. Implantation failure with embryonic reasons includes genetic abnormalities and any factor that affects the implantation and growth of the embryo within the uterus. In recent years, the involvement of immune-related factors mainly natural killer cells (NK), dendritic cells (DCs), macrophages (MQ), regulatory T cells (Treg) and Th-1, in the endometrial differentiation and development and endometrial receptivity, as well as induction of immunological tolerance to the fetus, have been reported.

Detailed Description

248 women with the history of implantation failure volunteered to receive PBMC-therapy. After immunologic consultation and doing flow cytometry analysis, 100 women with at least three IVF/ET failure who had low Th-17/Treg ratio in comparison with healthy control were enrolled in this study. These 100 patients divided randomly into two groups, 50 patients received PBMC and 50 patients as the control group received PBS. PBMCs were obtained from patients themselves five days before embryo transfer (ET) and were cultured with hCG for 48 hours. Frothy-eight hours later, PBMCs were then administered into the uterine cavity of that patient from the study group two days before ET. PBS was inseminated into the uterine cavity of the control group instead of PBMC. The concentration of inflammatory cytokines was examined in the supernatant of cultured PBMCs 2, 24 and 48 hour after incubation by ELISA. The pregnancy occurrence was confirmed 12 days after ET through positive pregnancy test (β-hCG test). The success of implantation and the occurrence of clinical pregnancy were evaluated by ultrasound through the observation of the number and the location of gestational sacs at 5-6 weeks and confirming the embryo heart pulsation.

Conditions

Recurrent Implantation Failure

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: DOUBLE

Study Groups

Treatment group

Peripheral blood mononuclear cells (PBMCs) were administered into the uterine cavity of RIF patients in this group.

Group Type: EXPERIMENTAL

Peripheral Blood Monouclear Cell

Intervention Type: OTHER

Blood samples (20 mL) were taken from individual patients at the time of ovulation induction. Then PBMC were isolated and cultured (20-30 million cells) 48 hour at the presence of hCG (10IU/ml daily). Afterward,15-20 million PBMCs in 500 microlitres PBS were injected into the uterine cavity two days before embryo transfer (ET) using ET catheter.

Control group

Phosphate buffer saline (PBS) as placebo was injected into the uterine cavity of RIF patients in this group.

Group Type: PLACEBO_COMPARATOR

Phosphate Baffer Saline

Intervention Type: OTHER

Only 500 microlitres PBS will be injected into the uterine cavity, instead of PBMCs, two days before embryo transfer (ET) using ET catheter.

Interventions

Peripheral Blood Monouclear Cell

Blood samples (20 mL) were taken from individual patients at the time of ovulation induction. Then PBMC were isolated and cultured (20-30 million cells) 48 hour at the presence of hCG (10IU/ml daily). Afterward,15-20 million PBMCs in 500 microlitres PBS were injected into the uterine cavity two days before embryo transfer (ET) using ET catheter.

Intervention Type: OTHER

Phosphate Baffer Saline

Only 500 microlitres PBS will be injected into the uterine cavity, instead of PBMCs, two days before embryo transfer (ET) using ET catheter.

Intervention Type: OTHER

Other Intervention Names

PBMC; PBS

Eligibility Criteria

Inclusion Criteria

1. Having at least three implantation failures following IVF

2. Having primary infertility

3. Age under 45 years old

4. Having regular menstrual cycles

5. BMI under 30

Exclusion Criteria

1. Having polycystic ovary syndrome

2. The presence of uterine pathology;

3. Poor ovarian reserve

4. Having chromosomal abnormalities

5. Presence of auto anti-bodies such as anti-TPO, anti-TG, ACA, APA, ANA, and anti-dsDNA

6. Presence of mutations involving the coagulation system such as deficiency of factor XII, Pro C, Pro S

7. Positive HIV, HCV or HBV tests

• Minimum Eligible Age: 20 Years
• Maximum Eligible Age: 45 Years
• Eligible Sex: FEMALE
• Accepts Healthy Volunteers: Yes

Sponsors

SCARM Institute, Tabriz, Iran

OTHER_GOV

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Mohammad Nouri, Ph.D

Role: STUDY_CHAIR

Head of SCARM institute

Mehdi Yousefi, Ph.D

Role: STUDY_DIRECTOR

SCARM institute

Locations

Valiasr Hospital

Tabriz, , Iran

Countries

Iran

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Other Identifiers

SCARM-infertility-004

Identifier Type: -

Identifier Source: org_study_id