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Trial · Interventional

RecruitingPhase 2/3Registry data

Thymosin-α1 for Recurrent Implantation Failure

Short name Thy-α1 for RIF

NCTNCT07675980 (opens ClinicalTrials.gov in a new tab)Other idFAKIH-2025-13Other idDOH/ADHRTC/2026/345

Overview

Status
Recruiting
Phase
Phase 2/3
Enrollment
136 participants (estimated)
Sponsor
Fakih IVF Fertility Center · Other
Design
Randomized · Quadruple masking
Countries
1 country

United Arab Emirates

Start
11 Feb 2026
Primary completion
Feb 2027 (estimated)
Completion
Jun 2027 (estimated)
First posted
30 Jun 2026
Last update posted
30 Jun 2026
Conditions
Recurrent Implantation Faliure

Timeline

1 trial · 1 ongoing

  • Completed
  • Ongoing
  • Not yet recruiting
  • Stopped
  • Estimated dates (est.)
  • Results posted
202620272028
  1. Ph 2/3

    Thy-α1 for RIF

    NCT07675980

    11 Feb 2026 to est. Jun 2027

Registry summary

Text and fields below are the sponsor's entries at ClinicalTrials.gov, shown as posted.

Clinical trial evaluating the safety and efficacy of Thymosin-α1 (Tα1) as an adjunctive immunomodulatory therapy in women with unexplained recurrent implantation failure (RIF) undergoing IVF/ICSI cycles.

Interventions

  • Thymosin Alpha1Drug
  • Placebo ControlOther

Arms2

  • Experimental

    thymosin-α1

    Thymosin α1 in recurrent implantation failure patients

  • Placebo comparator

    Placebo

    Placebo arm.

Primary outcomes2

Outcomes the sponsor listed as primary.

  1. Live birth more than 24 weeks

    Time frame · Approximately 40 weeks

    Registry description

    From date of randomization (luteal start ART) until end of intervention at 10 + 6 weeks and assessed up to live birth or miscarriage. Approximately 40 weeks.

  2. Determine whether Tα1 increases live birth versus placebo.

    Time frame · Approximately 40 weeks

    Registry description

    Live birth (singleton or multiple)

Posted results

Values are shown as posted at ClinicalTrials.gov, with their units. PepBank has not converted, pooled or compared them.

No results are posted for this trial.

A trial that is still running, or that stopped early, may post results later.

Registry data comes from ClinicalTrials.gov. Study results come from studies, not from the registry. How PepBank works

Studies3

Studies that cite this trial.

Studies with results

1 study on this page

Indexing hint: Review · 2020

Thymosin alpha 1: A comprehensive review of the literature.

Dominari et al. 2020World journal of virologycited by 43

PMID 33362999PMC7747025DOI 10.5501/wjv.v9.i5.67PUB-33362999

Free to read · publisher termsCC BY-NC
Read at source

Indexing hint: Animal study · 2007

Thymosin alpha 1: from bench to bedside.

Garaci et al. 2007Annals of the New York Academy of Sciencescited by 33

PMID 17600290DOI 10.1196/annals.1415.044PUB-17600290

Full text at the publisher
Publisher page

PubMed tag: none · 1993

3 results

Low periconceptional maternal serum thymosin alpha 1 levels are associated with blighted pregnancies.

Kaufmann et al. 1993American journal of reproductive immunology (New York, N.Y. : 1989)

PMID 8373526DOI 10.1111/j.1600-0897.1993.tb00583.xPUB-08373526

Full text at the publisher3 results

Eligibility

Who could join, as posted.

Sex
Female
Age
from 18 Years up to 40 Years
Healthy volunteers
Not accepted
Inclusion and exclusion criteria, as posted
Inclusion Criteria: 1. -Women 18-40 years 2. -RIF- ≥2 failed embryo transfers with PGT-a tested euploid embryos 3. \- Normal parental karyotypes 4. \- Normal uterine cavity on imaging 5. \- Negative antiphospholipid panel 6. \- Thyroid and prolactin controlled within local reference standards Exclusion Criteria: 1. Identified/correctable non-immune cause of RPL (chromosomal, anatomic, endocrine) 2. \- Active malignancy 3. -Active infection 4. \- Uncontrolled systemic disease 5. \- Current systemic immunosuppression

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