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

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Showing 621 - 630 of 1059 results

Status:
US Previously Marketed
Source:
Levonor by Nordmark (Purdue Frederick)
(1957)
Source URL:
First approved in 1957
Source:
Levonor by Nordmark (Purdue Frederick)
Source URL:

Class:
POLYMER

Status:
US Previously Marketed
Source:
LMD6 by Abbott
(1967)
Source URL:
First approved in 1951
Source:
Expandex by Commercial Solvents
Source URL:

Class:
POLYMER

Status:
US Previously Marketed
Source:
Paraformaldehyde U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Paraformaldehyde U.S.P.
Source URL:

Class:
POLYMER

Status:
Possibly Marketed Outside US

Class:
POLYMER

Status:
Possibly Marketed Outside US
Source:
Canada:HYPROMELLOSE
Source URL:
First approved in 1984
Source:
Hemocyte F by US Pharmaceutical Corporation
Source URL:

Class:
POLYMER

Hypromellose is a semisynthetic, inert, viscoelastic methyl and hydroxypropyl mixed ether of cellulose used as eye drops, as well as an excipient and controlled-delivery component in oral medicaments, found in a variety of commercial products. Hypromellose is considered an inert substance as it has no direct pharmacological activity. The viscosity promoting properties of hypromellose prolong the retention time and improve adhesion of synthetic tears to the cornea and conjunctiva. As a result, the tear film breakdown time is prolonged and/or the tear film stability is enhanced. A stable tear film protects the cornea from dryness Hypromellose is the most commonly used in hydrophilic matrix fabrication. Hypromellose provides the release of a drug in a controlled manner, effectively increasing the duration of release of a drug to prolong its therapeutic effect.
Status:
Possibly Marketed Outside US

Class:
POLYMER