出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2020/05/10 04:25:39」(JST)
Clinical data | |
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Pronunciation | See pronunciation note |
Trade names | Vesanoid, Avita, Renova, Retin-a, others |
AHFS/Drugs.com | Monograph, Monograph |
MedlinePlus | a608032 |
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Routes of administration | Topical, by mouth |
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Protein binding | > 95% |
Elimination half-life | 0.5-2 hours |
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ECHA InfoCard | 100.005.573 |
Chemical and physical data | |
Formula | C20H28O2 |
Molar mass | 300.4412 g/mol g·mol−1 |
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Melting point | 180 °C (356 °F) |
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Tretinoin, also known as all-trans retinoic acid (ATRA), is medication used for the treatment of acne and acute promyelocytic leukemia.[3][4][5] For acne, it is applied to the skin as a cream or ointment.[5] For leukemia, it is taken by mouth for up to three months.[3]
Common side effects when used by mouth include shortness of breath, headache, numbness, depression, skin dryness, itchiness, hair loss, vomiting, muscle pains, and vision changes.[3] Other severe side effects include high white blood cell counts and blood clots.[3] When used as a cream, side effects include skin redness, peeling, and sun sensitivity.[5] Use during pregnancy is contraindicated due to the risk of birth defects.[3][1] It is in the retinoid family of medications.[4]
Tretinoin was patented in 1957, and approved for medical use in 1962.[6] It is on the World Health Organization's List of Essential Medicines, the safest and most effective medicines needed in a health system.[7] Tretinoin is available as a generic medication.[8] In the United Kingdom the cream together with erythromycin costs the NHS about £7.05 per 25 mL while the pills are £1.61 per 10 mg.[5] In 2017, it was the 293rd most commonly prescribed medication in the United States, with more than one million prescriptions.[9][10]
Tretinoin is most commonly used to treat acne.[11] In topical form, this drug is pregnancy category C and should not be used by pregnant women.[11][2]
People using the topical form should not also use any cream or lotion that has a strong drying effect, contains alcohol, astringents, spices, lime, sulfur, resorcinol, or aspirin, as these may interact with tretinoin or exacerbate its side effects.[11]
Tretinoin is used to induce remission in people with acute promyelocytic leukemia who have a mutation (the t(15;17) translocation 160 and/or the presence of the PML/RARα gene) and who don't respond to anthracyclines or can't take that class of drug. It is not used for maintenance therapy.[12][13][14]
By mouth, this drug is pregnancy category D and should not be used by pregnant women as it may harm the fetus.[12][1]
Topical tretinoin is only for use on skin and it should not be applied to eyes or mucosal tissues. Common side effects include skin irritation, redness, swelling, and blistering.[11]
The oral form of the drug has boxed warnings concerning the risks of retinoic acid syndrome and leukocytosis.[12]
Other significant side effects include a risk of thrombosis, benign intracranial hypertension in children, high lipids (hypercholesterolemia and/or hypertriglyceridemia), and liver damage.[12]
There are many significant side effects from this drug that include malaise (66%), shivering (63%), hemorrhage (60%), infections (58%), peripheral edema (52%), pain (37%), chest discomfort (32%), edema (29%), disseminated intravascular coagulation (26%), weight increase (23%), injection site reactions (17%), anorexia (17%), weight decrease (17%), and myalgia (14%).[12]
Respiratory side effects usually signify retinoic acid syndrome, and include upper respiratory tract disorders (63%), dyspnea (60%), respiratory insufficiency (26%), pleural effusion (20%), pneumonia (14%), rales (14%), and expiratory wheezing (14%), and many others at less than 10%.[12]
Around 23% of people taking the drug have reported earache or a feeling of fullness in their ears.[12]
Gastrointestinal disorders include bleeding (34%), abdominal pain (31%), diarrhea (23%), constipation (17%), dyspepsia (14%), and swollen belly (11%) and many others at less than 10%.[12]
In the cardiovascular system, side effects include arrhythmias (23%), flushing (23%), hypotension (14%), hypertension (11%), phlebitis (11%), and cardiac failure (6%) and for 3% of patients: cardiac arrest, myocardial infarction, enlarged heart, heart murmur, ischemia, stroke, myocarditis, pericarditis, pulmonary hypertension, secondary cardiomyopathy.[12]
In the nervous system, side effects include dizziness (20%), paresthesias (17%), anxiety (17%), insomnia (14%), depression (14%), confusion (11%), and many others at less than 10% frequency.[12]
In the urinary system, side effects include chronic kidney disease (11%) and several others at less than 10% frequency.[12]
For its use in cancer, its mechanism of action is unknown, but on a cellular level, laboratory tests show that tretinoin forces APL cells to differentiate and stops them from proliferating; in people there is evidence that it forces the primary cancerous promyelocytes to differentiate into their final form, allowing normal cells to take over the bone marrow.[12] Recent study shows that ATRA inhibits and degrades active PIN1.[15]
For its use in acne, the mechanism is unknown, but again on a cellular level there is evidence that it decreases the ability of epithelial cells in hair follicles to stick together, leading to fewer blackheads; it also seems to make the epithelial cells divide faster, causing the blackheads to be pushed out.[citation needed]
Tretinoin is synthesized from Beta-carotene. The Beta-carotene is firstly cleaved into Beta-carotene 15-15'-monooxygenase through site 1 double bond oxidized to epoxide. The epoxide is attacked by water to form diol in site 1. NADH, as a reduction agent, reduce the alcohol group to aldehydes.[16]
Tretinoin was co-developed for its use in acne by James Fulton and Albert Kligman when they were at University of Pennsylvania in the late 1960s.[17][18] The University of Pennsylvania held the patent for Retin-A, which it licensed to pharmaceutical companies.[18]
The origin of the name tretinoin is uncertain,[19][20] although several sources agree (one with probability,[19] one with asserted certainty[21]) that it probably comes from trans- + retinoic [acid] + -in, which is plausible given that tretinoin is the all-trans isomer of retinoic acid. The name isotretinoin is the same root tretinoin plus the prefix iso-. Regarding pronunciation, the following variants apply equally to both tretinoin and isotretinoin. Given that retinoic is pronounced /ˌrɛtɪˈnoʊɪk/,[20][21][22][23] it is natural that /ˌtrɛtɪˈnoʊɪn/ is a commonly heard pronunciation. Dictionary transcriptions also include /ˌtrɪˈtɪnoʊɪn/ (tri-TIN-oh-in)[20][22] and /ˈtrɛtɪnɔɪn/.[21][23]
Tretinoin has been explored as a treatment for hair loss, potentially as a way to increase the ability of minoxidil to penetrate the scalp, but the evidence is weak and contradictory.[24][25]
It has been used off-label to treat and reduce the appearance of stretch marks.[26] It has also been studied in skin aging.[27]
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リンク元 | 「急性白血病」「急性前骨髄球性白血病」「オールトランスレチノイン酸」 |
拡張検索 | 「all-trans-retinoic acid」 |
関連記事 | 「ALL」「all」「trans」 |
M0 | minimally differentiated acute myeloblastic leukemia | AML | ||
M1 | acute myeloblastic leukemia, without maturation | |||
M2 | acute myeloblastic leukemia, with granulocytic maturation | |||
M3 | promyelocytic, or acute promyelocytic leukemia | APL | ||
M4 | 急性骨髄単球性白血病 | acute myelomonocytic leukemia | AMMoL | |
M4eo | myelomonocytic together with bone marrow eosinophilia | |||
M5 | M5a | 急性単芽球性白血病 | acute monoblastic leukemia | AMoL |
M5b | 急性単球性白血病 | acute monocytic leukemia | ||
M6 | M6a | 赤白血病 | acute erythroid leukemias, including erythroleukemia | |
M6b | and very rare pure erythroid leukemia | |||
M7 | 急性巨核芽球性白血病 | acute megakaryoblastic leukemia | ||
M8 | 急性好塩基球性白血病 | acute basophilic leukemia | ||
L1 | 小細胞型 | |||
L2 | 大細胞型 | |||
L3 | Burkitt型 |
染色体核型 | 遺伝子異常 | |
予後良好群 | inv(16), t(8;21), t(15;17)(付加的染色体異常の有無を問わない) | 正常核型におけるNPM1のみの異常 |
中間群 | 正常核型, +8, t(9;11),その他の予後良好にも不良にも属さない染色体異常 | t(8;21), inv(16)患者におけるc-kit異常 |
予後不良群 | 複雑核型(3以上の異常), -5, -7, 5q-, 7q-,11q23異常(t(9;11)を除く), inv(3), t(3;3),t(6;9), t(9;22) | 正常核型におけるFLT3-ITDのみの異常 |
オールトランス型レチノイン酸 : 66 件 全トランス型レチノイン酸 : 約 55,700 件 オールトランスレチノイン酸 : 約 111,000 件 全トランスレチノイン酸 : 約 56,900 件
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