Evidence map›Paper›PMID 41896860›Full record

ReviewBMC urology2026

Integrating vaginal laser therapy into multidisciplinary management of bladder pain syndrome and vulvodynia.

Nobuo Okui

Abstract readReview
In one paragraph

Review in BMC urology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

1 author.

Nobuo OkuiInnovative Longevity, Juntendo University, Tokyo, 113-8421, Japan. okuinobuo@gmail.com.ORCID http://orcid.org/0000-0001-5894-5283

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundBladder pain syndrome/interstitial cystitis (BPS/IC) and vulvodynia frequently co-occur, forming overlapping pelvic pain syndromes that often evade organ-centered management. Shared mechanisms—urothelial/epithelial dysfunction, neuroinflammation, and pelvic floor hypertonicity—support multidisciplinary, mechanism-based care. Because high-quality clinical evidence specifically targeting the BPS/IC + vulvodynia overlap remains limited, this narrative review also evaluates laser-based therapies in clinically adjacent conditions with shared anatomy and pathophysiology (e.g., genitourinary syndrome of menopause and vulvar dermatoses) to contextualize plausibility and inform future study design. MAIN BODY: Non-ablative erbium-doped yttrium aluminum garnet (Er:YAG) and neodymium-doped yttrium aluminum garnet (Nd:YAG) vaginal/vulvar protocols have shown encouraging improvements in superficial vulvar pain, dyspareunia, sexual function, and—in selecte cohorts—bladder-related symptoms among patients with coexisting BPS/IC and vulvodynia. Transvaginal photobiomodulation (TV-PBM) is emerging as another non-ablative modality with putative mitochondrial, anti-inflammatory, and neuromodulatory effects. Across modalities, histological and imaging reports describe epithelial thickening, glycogen restoration, neovascularization, and collagen remodeling, consistent with tissue repair within the urogynecologic–pelvic floor unit. Proposed mechanisms include sublethal photothermal activation of heat-shock responses, modulation of microvascular tone, and attenuation of inflammatory mediators. Nevertheless, current evidence is dominated by small case series and non-controlled studies with heterogeneous parameters and short follow-up; long-term efficacy, safety, dose, targets, and schedules remain to be standardized. Recent clustering and phenotyping work highlights BPS/IC subtypes—including vulvodynia-predominant groups with distinct psychological and quality-of-life profiles—suggesting that responses to laser modalities are likely phenotype-dependent. In parallel, natural-language analyses reveal “semantic drift” between clinical terms and patients’ everyday symptom language, indicating a role for AI-assisted processing of diaries and free-text to refine phenotyping and endpoint selection.

conclusionsVaginal/vulvar laser therapy and TV-PBM can be positioned as mechanism-specific modules within individualized, multidisciplinary care for BPS/IC and vulvodynia. Priority next steps include adaptive or stratified randomized trials, harmonized energy/targeting protocols, multidimensional patient-reported outcomes, and rational combinations with pelvic floor rehabilitation, hormonal or androgen-sparing approaches, and psychological interventions. Incorporating AI-based profiling and vocabulary mapping into clinical workflows may sharpen subtype recognition and treatment targeting, ultimately improving outcomes for patients with overlapping BPS/IC and vulvodynia.

Indexed as

Cystitis, InterstitialLaser TherapyVulvodyniaCombined Modality TherapyFemaleHumansLow-Level Light TherapyVaginaBladder pain syndromeEr:YAGInterstitial cystitisLaser therapyNd:YAGTransvaginal photobiomodulationVulvodynia

Identifiers

PMID41896860
PMCPMC13147590

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.