Publications by authors named "Ippei Okada"

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MR Imaging Indices for Brain Interstitial Fluid Dynamics and the Effects of Orexin Antagonists on Sleep.
Toshiaki Taoka, Kunihiro Iwamoto, Seiko Miyata, Rintaro Ito, Rei Nakamichi, Ippei Okada

Magn Reson Med Sci· October 2025

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Gut Microbiome Composition Changes During Insomnia Treatment with Lemborexant.
Seiko Miyata, Kunihiro Iwamoto, Mikako Ito, Ippei Okada, Nao Matsuyama

Nat Sci Sleep· July 2025

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Effect of lemborexant on sleep-wake state discrepancy in participants with insomnia disorder.
Kent Naito, Kunihiro Iwamoto, Seiko Miyata, Ippei Okada, Keita Kawai

Psychopharmacology (Berl)· June 2025

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Association of sleep-wake state discrepancy and depressive symptoms with restorative sleep in patients with depression.
Keita Kawai, Kunihiro Iwamoto, Seiko Miyata, Ippei Okada, Motoo Ando

Sleep Med· March 2025

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Effects of Sleep-Disordered Breathing on Daytime Brain Activity in Community-Dwelling Older Adults.
Hiroki Shibata, Akiko Noda, Yuanjie Mao, Kunihiro Iwamoto, Masato Okuda, Ippei Okada

Sleep Sci· March 2025

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Spatial and temporal expression analysis of BMP signal modifiers, Smoc1 and Smoc2, from postnatal to adult developmental stages in the mouse testis.
Michio Ono, Kuniko Nakajima, Shin-Ichi Tomizawa, Takayuki Shirakawa, Ippei Okada

Gene Expr Patterns· December 2024

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Assessing the Real-World, Long-Term Impact of Lemborexant on Sleep Quality in a Home-Based Clinical Study.
Seiko Miyata, Kunihiro Iwamoto, Ippei Okada, Akihiro Fujimoto, Yuki Kogo

Nat Sci Sleep· March 2024

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Comparison of Polysomnography, Single-Channel Electroencephalogram, Fitbit, and Sleep Logs in Patients With Psychiatric Disorders: Cross-Sectional Study.
Keita Kawai, Kunihiro Iwamoto, Seiko Miyata, Ippei Okada, Hiroshige Fujishiro

J Med Internet Res· December 2023

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LPS and its relationship with subjective-objective discrepancies of sleep onset latency in patients with psychiatric disorders.
Keita Kawai, Kunihiro Iwamoto, Seiko Miyata, Ippei Okada, Motoo Ando

Sci Rep· December 2023

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Prevalence of obstructive sleep apnea as assessed by polysomnography in psychiatric patients with sleep-related problems.
Ippei Okada, Seiko Miyata, Kunihiro Iwamoto, Hiroshige Fujishiro, Akiko Noda

Sleep Breath· December 2022

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A Study of Factors Causing Sleep State Misperception in Patients with Depression.
Keita Kawai, Kunihiro Iwamoto, Seiko Miyata, Ippei Okada, Motoo Ando

Nat Sci Sleep· July 2022

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FLUID study: study protocol for an open-label, single-centre pilot study to investigate the efFect of Lemborexant on sleep management in Japanese sUbjects aged 50 years and older with Insomnia Disorder.
Ippei Okada, Kunihiro Iwamoto, Seiko Miyata, Akihiro Fujimoto, Masaki Tanaka

BMJ Open· November 2021

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Whole-exome sequencing identified a homozygous FNBP4 mutation in a family with a condition similar to microphthalmia with limb anomalies.
Yukiko Kondo, Eriko Koshimizu, Andre Megarbane, Haruka Hamanoue, Ippei Okada

Am J Med Genet A· July 2013

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Mutations affecting components of the SWI/SNF complex cause Coffin-Siris syndrome.
Yoshinori Tsurusaki, Nobuhiko Okamoto, Hirofumi Ohashi, Tomoki Kosho, Yoko Imai, Ippei Okada

Nat Genet· March 2012

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De novo 5q14.3 translocation 121.5-kb upstream of MEF2C in a patient with severe intellectual disability and early-onset epileptic encephalopathy.
Hirotomo Saitsu, Noboru Igarashi, Mitsuhiro Kato, Ippei Okada, Tomoki Kosho

Am J Med Genet A· November 2011

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SMOC1 is essential for ocular and limb development in humans and mice.
Ippei Okada, Haruka Hamanoue, Koji Terada, Takaya Tohma, Andre Megarbane

Am J Hum Genet· January 2011

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STXBP1 mutations in early infantile epileptic encephalopathy with suppression-burst pattern.
Hirotomo Saitsu, Mitsuhiro Kato, Ippei Okada, Kenji E Orii, Tsukasa Higuchi

Epilepsia· December 2010

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Dominant-negative mutations in alpha-II spectrin cause West syndrome with severe cerebral hypomyelination, spastic quadriplegia, and developmental delay.
Hirotomo Saitsu, Jun Tohyama, Tatsuro Kumada, Kiyoshi Egawa, Keisuke Hamada, Ippei Okada

Am J Hum Genet· June 2010

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De novo mutations in the gene encoding STXBP1 (MUNC18-1) cause early infantile epileptic encephalopathy.
Hirotomo Saitsu, Mitsuhiro Kato, Takeshi Mizuguchi, Keisuke Hamada, Hitoshi Osaka, Ippei Okada

Nat Genet· June 2008

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