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A deuterated drug is a small molecule medicinal product in which one or more of the hydrogen atoms in the drug molecule have been replaced by its heavier stable isotope deuterium. Because of the kinetic isotope effect, deuterium-containing drugs may have significantly lower rates of metabolism, and hence a longer half-life. [1] [2] [3]
Deuterium (hydrogen-2, symbol 2 H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen; the other is protium, or hydrogen-1, 1 H. The deuterium nucleus (deuteron) contains one proton and one neutron, whereas the far more common 1 H has no neutrons. The name deuterium comes from Greek deuteros, meaning "second".
An online survey conducted by the Cleveland Clinic of 1,174 men 18 years or older, found that 72% of men would rather do household tasks, such as cleaning the bathroom or mowing the lawn, than see ...
Since one in about every 6,400 hydrogen atoms is deuterium, a 50-kilogram (110 lb) human containing 32 kilograms (71 lb) of body water would normally contain enough deuterium (about 1.1 grams or 0.039 ounces) to make 5.5 grams (0.19 oz) of pure heavy water, so roughly this dose is required to double the amount of deuterium in the body.
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Deuterium, also known as hydrogen-2, 2 H, or heavy hydrogen, is a stable, naturally occurring non-radioactive isotope of hydrogen. [5] [full citation needed] Deuteration, also referred to as deuterium enrichment, involves the substitution of hydrogen atoms with deuterium within a molecule. In d9-caffeine, deuterium is introduced into each of ...
These adverse sexual side effects are typically seen in less than 5% of men on the drug. There is also a link to mental health effects, including depression. However, it’s unclear how common ...