Evidence map›Paper›PMID 34646081›Full record

ArticleReproductive medicine and biology2021

Novel approaches to the management of recurrent pregnancy loss: The OPTIMUM (OPtimization of Thyroid function, Thrombophilia, Immunity, and Uterine Milieu) treatment strategy.

Keiji Kuroda, Yuko Ikemoto, Takashi Horikawa, Azusa Moriyama, Yuko Ojiro, Satoru Takamizawa, Toyoyoshi Uchida, Shuko Nojiri, Koji Nakagawa, Rikikazu Sugiyama

Open access · goldAbstract read
In one paragraph

Article in Reproductive medicine and biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
1.3field-weighted citation impact, top 20% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

13 citing papers in PubMed, 1 synthesis or guideline pooled it, 24 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. The role of tacrolimus in women with unexplained infertility: A narrative review.International journal of reproductive biomedicine · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 2 institutions in 1 country.

Keiji KurodaCentre for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan.ORCID https://orcid.org/0000-0003-2759-9159
Yuko IkemotoDepartment of Obstetrics and Gynaecology Faculty of Medicine Juntendo University Tokyo Japan.
Takashi HorikawaCentre for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan.ORCID https://orcid.org/0000-0001-7848-0671
Azusa MoriyamaCentre for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan.
Yuko OjiroCentre for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan.
Satoru TakamizawaCentre for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan.ORCID https://orcid.org/0000-0002-1103-6856
Toyoyoshi UchidaDepartments of Metabolism and Endocrinology Faculty of Medicine Juntendo University Tokyo Japan.
Shuko NojiriMedical Technology Innovation Centre Juntendo University Tokyo Japan.
Koji NakagawaCentre for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan.ORCID https://orcid.org/0000-0003-0874-5894
Rikikazu SugiyamaCentre for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan.ORCID https://orcid.org/0000-0002-8892-2119
Tokuyama (Japan) · JPJuntendo University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeDoes the OPtimization of Thyroid function, Thrombophilia, Immunity, and Uterine Milieu (OPTIMUM) treatment strategy, developed for treating repeated implantation failure (RIF), contribute to improving pregnancy outcomes in patients with a history of recurrent pregnancy loss (RPL)?

methodsBetween 2018 and 2019, women with RPL after two or more clinical pregnancy losses underwent RPL testing. We treated chronic endometritis with antibiotics, high Th1/Th2 cell ratios with vitamin D and/or tacrolimus, overt/subclinical hypothyroidism with levothyroxine, and thrombophilia with low-dose aspirin. Of 168 consecutive women aged ≤43 years, 115 underwent RPL testing. We compared 100 pregnancies (90 women) and 46 pregnancies (41 women) with and without the OPTIMUM treatment strategy, respectively.

resultsRPL testing identified intrauterine abnormalities in 66 (57.4%), elevated Th1/Th2 cell ratios in 50 (43.5%), thyroid dysfunction in 33 (28.7%), and thrombophilia in 33 (28.7%). The live birth rate in the OPTIMUM group was significantly higher than that in the control group among women aged <40 years (78.1% and 42.3%, respectively;

conclusionsThe OPTIMUM treatment strategy improved pregnancy outcomes in patients with not only RIF but also RPL.

Indexed as

chronic endometritishelper‐T cellhypothyroidismrecurrent pregnancy lossthrombophilia

Identifiers

PMID34646081
PMCPMC8499598
OpenAlexW3200237231

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.