関連する実験動画
Updated: Jan 28, 2026

08:35
An Operant Intra-/Extra-dimensional Set-shift Task for Mice
Published on: January 22, 2016
12.7K
シフトワーク障害における早朝シフト作業者の過度の眠気の治療薬ソムリアムフェトール
Kirsi-Marja Zitting1,2, Katherine R Gilmore1, Brandon J Lockyer1
1Brigham and Women's Hospital, Boston, MA, USA.
NEJM evidence
|January 27, 2026
まとめ
ソムリアムフェトールは、シフトワーク障害(SWD)を有する早朝シフト作業者の過度の眠気を効果的に治療しました。この研究では、プラセボと比較して客観的および主観的な眠気の著しい改善が認められました。
科学分野:
- 睡眠医学;薬理学;臨床試験
背景:
- シフトワーク障害(SWD)は、多くの早朝シフト作業者に影響を与えています。;この集団におけるSWDの効果的な治療に関する研究は限られています。
研究 の 目的:
- SWDを有する早朝シフト作業者の過度の眠気の治療におけるソムリアムフェトールの有効性を評価すること。;客観的および主観的な眠気に対するソムリアムフェトールの影響を評価すること。
主な方法:
- SWDを有する早朝シフト作業者78名を対象とした無作為化、二重盲検、プラセボ対照試験。;主要評価項目:覚醒維持試験による睡眠潜時の変化。;副次評価項目:主観的眠気(カロリンスカ眠気尺度)および臨床全般印象尺度。
主要な成果:
- ソムリアムフェトールは、プラセボと比較して有意に眠気を軽減しました(睡眠潜時が9.4分長く、P<0.001)。;主観的な眠気および臨床医/患者の全般的評価に改善が認められました。;最も一般的な有害事象は頭痛および吐き気であり、両群間で全体的な発生率は同様でした。
結論:
- ソムリアムフェトールは、SWDを有する早朝シフト作業者の眠気の改善において有意な有効性を示しました。;これらの結果は、ソムリアムフェトールがこの患者グループの治療選択肢として支持されることを示唆しています。
関連する概念動画
Excess Pressure Inside a Drop and a Bubble
3.4K
The shape of a small drop of liquid can be considered spherical, neglecting the effect of gravity. This drop can further be considered as two equal hemispherical drops put together due to surface tension. The forces acting on the spherical drop are due to the pressure of the liquid inside the drop, the pressure due to air outside the drop, and the force due to the surface tension acting on the two hemispherical drops.
3.4K
Intrinsically Disordered Proteins
19.4K
Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
19.4K
Other Disorders of Digestive System
1.5K
The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
1.5K
Disorders of Erythrocytes
2.2K
Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
2.2K
Disorders of Leukocytes
1.9K
Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune...
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune...
1.9K
Bone Disorders
5.3K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
5.3K

