U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 3121 - 3130 of 3520 results

Betaine is a methyl derivative of glycine first isolated from the juice of sugar beets. Betaine is found in many common foods, but concentrated significantly in beets, spinach, wheat foods, and shellfish. In addition, betaine can be synthesized within the human body. Betaine participates in the methionine cycle, which produces vital biomolecules including proteins, hormones, phospholipids, polyamines, and nutrients. Betaine is used as a dietary supplement and has a beneficial effect on the human health. In the USA, FDA approved a betaine-containing drug Cystadane for the treatment of homocystinuria. The drug acts as a methyl group donor in the remethylation of homocysteine to methionine.
Status:
First marketed in 1827

Class (Stereo):
CHEMICAL (ABSOLUTE)


Conditions:

Morphine is one of the most important and widely used opioid for the treatment of chronic and acute pain: the very wide interindividual variability in the patients’ response to the drug may have genetic derivations. Sulphate salt of morphine sold under the many brand names, one of them, DURAMORPH, which is indicated for the management of pain severe enough to require use of an opioid analgesic by intravenous administration, and for which alternative treatments are not expected to be adequate. In addition for the epidural or intrathecal management of pain without attendant loss of motor, sensory, or sympathetic function. Morphine is a full opioid agonist and is relatively selective for the mu-opioid receptor, although it can bind to other opioid receptors at higher doses. The principal therapeutic action of morphine is analgesia. Like all full opioid agonists, there is no ceiling effect for analgesia with morphine. The precise mechanism of the analgesic action is unknown. However, specific CNS opioid receptors for endogenous compounds with opioid-like activity have been identified throughout the brain and spinal cord and are thought to play a role in the analgesic effects of this drug. Morphine has a high potential for addiction and abuse. Common side effects include drowsiness, vomiting, and constipation. Caution is advised when used during pregnancy or breast-feeding, as morphine will affect the baby.
Status:
First marketed in 1827

Class (Stereo):
CHEMICAL (ABSOLUTE)


Conditions:

Morphine is one of the most important and widely used opioid for the treatment of chronic and acute pain: the very wide interindividual variability in the patients’ response to the drug may have genetic derivations. Sulphate salt of morphine sold under the many brand names, one of them, DURAMORPH, which is indicated for the management of pain severe enough to require use of an opioid analgesic by intravenous administration, and for which alternative treatments are not expected to be adequate. In addition for the epidural or intrathecal management of pain without attendant loss of motor, sensory, or sympathetic function. Morphine is a full opioid agonist and is relatively selective for the mu-opioid receptor, although it can bind to other opioid receptors at higher doses. The principal therapeutic action of morphine is analgesia. Like all full opioid agonists, there is no ceiling effect for analgesia with morphine. The precise mechanism of the analgesic action is unknown. However, specific CNS opioid receptors for endogenous compounds with opioid-like activity have been identified throughout the brain and spinal cord and are thought to play a role in the analgesic effects of this drug. Morphine has a high potential for addiction and abuse. Common side effects include drowsiness, vomiting, and constipation. Caution is advised when used during pregnancy or breast-feeding, as morphine will affect the baby.
Status:
US Approved OTC
Source:
21 CFR 341.20(a)(2) cough/cold:nasal decongestant pseudoephedrine hydrochloride
Source URL:
First approved in 1961

Class (Stereo):
CHEMICAL (ABSOLUTE)



Pseudoephedrine is a sympathomimetic drug. Pseudoephedrine acts as an adrenomimetic and inhibitor of monoamine transporters. Ephedra sinica, a species of ephedra (ma huang), contains ephedrine and pseudoephedrine. Ephedra has been found to stimulate the nervous system, increase airflow into the lungs and constrict blood vessels. In combination with caffeine, ephedra appears to cause weight loss. Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. Pseudoephedrine is used to relieve nasal or sinus congestion caused by the common cold, sinusitis, and hay fever and other respiratory allergies.
Status:
US Approved OTC
Source:
21 CFR 358.710(a)(2) dandruff:dandruff (wash-off) pyrithione zinc
Source URL:
First approved in 1961
Source:
Head & Shoulders Shampoo by Proctor and Gamble
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Pyrithione zinc is an antibacterial and antifungal agent developed by scientists in the 1930's. Since then it has been used to treat seborrheic dermatitis of the scalp and other skin conditions such as eczema, athlete's foot, and vitiligo, as well as psoriasis. Because of its antifungal properties, it is commonly found in dandruff shampoo. Products containing pyrithione zinc are available today with and without prescription, and it is the main ingredient in many over-the-counter creams, lotions, soaps, and shampoos. It also has antibacterial properties and is effective against many pathogens from the Streptococcus and Staphylococcus genera. Pyrithione zinc`s other medical applications include treatments of psoriasis, eczema, ringworm, fungus, athletes foot, dry skin, atopic dermatitis, tinea, and vitiligo. Its antifungal effect is thought to derive from its ability to disrupt membrane transport by blocking the proton pump that energizes the transport mechanism.
Status:
US Approved OTC
Source:
21 CFR 331.11(g)(1) antacid:magnesium-containing hydrate magnesium aluminate activated sulfate
Source URL:
First approved in 1960
Source:
Riopan by Ayerst
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Almagodrate anhydrous is an antacid.
Status:
US Approved OTC
Source:
21 CFR 336.10(d) antiemetic meclizine hydrochloride
Source URL:
First approved in 1954
Source:
Bonine by Pfizer
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Meclizine, a piperazine-derivative H1-receptor antagonist similar to buclizine, cyclizine, and hydroxyzine, is used as an antivertigo/antiemetic agent. Meclizine is used in the management of nausea, vomiting, and dizziness associated with motion sickness and vertigo in diseases affecting the vestibular apparatus. Along with its actions as an antagonist at H1-receptors, meclizine also possesses anticholinergic, central nervous system depressant, and local anesthetic effects. Meclizine depresses labyrinth excitability and vestibular stimulation and may affect the medullary chemoreceptor trigger zone. It is sold under the brand names Bonine, Bonamine, Antivert, Postafen, Sea Legs, and Dramamine II.
Status:
US Approved OTC
Source:
21 CFR 333.110(f) first aid antibiotic:ointment tetracycline hydrochloride
Source URL:
First approved in 1953

Class (Stereo):
CHEMICAL (ABSOLUTE)



Discovered as natural products from actinomycetes soil bacteria, the tetracyclines were first reported in the scientific literature in 1948. They were noted for their broad spectrum antibacterial activity and were commercialized with clinical success beginning in the late 1940s to the early 1950s. By catalytic hydrogenation of Aureomycin, using palladium metal and hydrogen, the C7 deschloro derivative was synthesized, producing a compound of higher potency, a better solubility profile, and favorable pharmacological activity; it was subsequently named tetracycline. Tetracyclines are primarily bacteriostatic and exert their antimicrobial effect by the inhibition of protein synthesis by binding to the 30S ribosomal subunit. Tetracycline is active against a broad range of gram-negative and gram-positive organisms. Tetracycline is indicated in the treatment of infections caused by susceptible strains. To reduce the development of drug-resistant bacteria and maintain the effectiveness of tetracycline hydrochloride and other antibacterial drugs, tetracycline hydrochloride should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
Status:
US Approved OTC
Source:
21 CFR 355.10(b)(1) anticaries:dentifrices sodium monolfuorophosphate (gel or paste)
Source URL:
First approved in 1953
Source:
NDK Fluoride Dentrifice by NOK
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Monofluorophosphate (MFP) is an anion, which is a phosphate group with one oxygen atom substituted with a fluorine atom. Sodium Monofluorophosphate is intended to be used by both petitioners in food supplements as a source of fluoride in the forms of multi-vitamin, multi-mineral supplements, solid tablets or tablets dispersible in liquid. The toxic effects of Monofluorophosphate are attributable to the fluoride ion released by the in vivo hydrolysis of the parent compound. The Monofluorophosphate ion appears to play no role. The acute toxicity of Monofluorophosphate is somewhat less than that of NaF, due to the lesser availability of fluoride in the short term from Monofluorophosphate. In the long term, Monofluorophosphate produces virtually the same picture of renal effects and skeletal storage of fluoride as does NaF. Sodium Monofluorophosphate dissociates into sodium and Monofluorophosphate ions in the intestinal tract, the latter being absorbed mainly in the upper small intestine.
Status:
US Approved OTC
Source:
21 CFR 333.120 first aid antibiotic:ointment oxytetracycline hydrochloride (combination only)
Source URL:
First approved in 1950
Source:
Terramycin HCl by Pfizer
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Oxytetracycline, a tetracycline analog isolated from the actinomycete streptomyces rimosus, was the second of the broad-spectrum tetracycline group of antibiotics to be discovered The drug is used for the prophylaxis and local treatment of superficial ocular infections due to oxytetracycline- and polymyxin-sensitive organisms for animal use only. These infections include the following: Ocular infections due to streptococci, rickettsiae E. coli, and A. aerogenes (such as conjunctivitis, keratitis, pinkeye, corneal ulcer, and blepharitis in dogs); ocular infections due to secondary bacterial complications associated with distemper in dogs; and ocular infections due to bacterial inflammatory conditions which may occur secondary to other diseases in dogs. Allergic reactions may occasionally occur. Treatment should be discontinued if reactions are severe. If new infections due to nonsensitive bacteria or fungi appear during therapy, appropriate measures should be taken. Oxytetracycline inhibits cell growth by inhibiting translation. It binds to the 30S ribosomal subunit and prevents the amino-acyl tRNA from binding to the A site of the ribosome. The binding is reversible in nature. Oxytetracycline is lipophilic and can easily pass through the cell membrane or passively diffuses through porin channels in the bacterial membrane.

Showing 3121 - 3130 of 3520 results