Evidence map›Paper›PMID 39896099›Full record

ArticleReproductive medicine and biology

"Shortening time to pregnancy in infertile women by personalizing treatment of microbial imbalance through Emma & Alice: A multicenter prospective study".

Nanako Iwami, Shinnosuke Komiya, Yoshimasa Asada, Kenichi Tatsumi, Toshihiro Habara, Takeshi Kuramoto, Moritoshi Seki, Hiroaki Yoshida, Kazuhiro Takeuchi, Masahide Shiotani and 4 more

Abstract read
In one paragraph

Article in Reproductive medicine and biology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
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

5 citing papers in PubMed.

  1. Review
  2. Article
  3. Review
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  5. Review
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

14 authors.

Nanako IwamiKamiya Ladies Clinic Sapporo Japan.ORCID https://orcid.org/0000-0001-7262-7791
Shinnosuke KomiyaHORAC Grand Front Osaka Clinic Osaka Japan.
Yoshimasa AsadaAsada Ladies Clinic (Nagoya Station Clinic) Nagoya Japan.ORCID https://orcid.org/0000-0002-0448-9953
Kenichi TatsumiUmegaoka Women's Clinic Tokyo Japan.
Toshihiro HabaraOkayama Futari Clinic Okayama Japan.
Takeshi KuramotoKuramoto Women's Clinic Fukuoka Japan.
Moritoshi SekiSekiel Ladies Clinic Takasaki Japan.
Hiroaki YoshidaSendai Art Clinic Sendai City Japan.
Kazuhiro TakeuchiTakeuchi Ladies Clinic Kagoshima Japan.ORCID https://orcid.org/0000-0002-5069-5694
Masahide ShiotaniHanabusa Women's Clinic Kobe Japan.
Tetsunori MukaidaHiroshima HART Clinic Hiroshima Japan.
Yasushi OdawaraFertility Clinic Tokyo Tokyo Japan.
Yasuyuki MioMio Fertility Clinic Tottori Japan.ORCID https://orcid.org/0000-0002-0413-6728
Hirobumi KamiyaKamiya Ladies Clinic Sapporo Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: To evaluate the impact of Endometrial Microbiome Metagenomic Analysis and Analysis of Infectious Chronic Endometritis (EMMA & ALICE) on pregnancy outcomes following recommended treatments in women with recurrent implantation failure (RIF) or recurrent pregnancy loss (RPL). Methods: This prospective, multicenter cohort study included 527 women under 42 years old with RIF or RPL across 14 IVF centers in Japan. Endometrial samples were analyzed using EMMA & ALICE, and patients received antibiotics, probiotics, or no treatment based on test results. Pregnancy outcomes were assessed using Kaplan-Meier survival analysis and multivariate generalized linear models. Results: Amongst participants, 43.4% had a normal Lactobacillus-dominated microbiota, 20.9% had dysbiosis, and 35.7% had mild dysbiosis or ultralow biomass. Kaplan-Meier analysis revealed significantly higher ongoing pregnancy rates in the dysbiosis group treated with antibiotics and probiotics compared to other groups ( Conclusions: EMMA & ALICE-guided antimicrobial and probiotic treatments improved pregnancy outcomes, enabling the dysbiosis group to achieve pregnancy earlier than the normal group. Addressing uterine dysbiosis may reduce the time to pregnancy in patients with RIF and RPL. Trial registration: University Hospital Medical Information Network (UMIN), UMIN000036917.

Indexed as

dysbiosisendometrial microbiomenext‐generation sequencing (NGS)recurrent implantation failure (RIF)recurrent pregnancy loss (RPL)

Identifiers

PMID39896099
PMCPMC11786016

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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.