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Pronethalol (also known as nethalide or compound 38,174; trade name Alderlin) was an early non-selective
beta blocker Beta blockers, also spelled β-blockers, are a class of medications that are predominantly used to manage abnormal heart rhythms, and to protect the heart from a second heart attack after a first heart attack ( secondary prevention). They are ...
clinical candidate. It was the first beta blocker to be developed by James Black and associates at
Imperial Chemical Industries Imperial Chemical Industries (ICI) was a British chemical company. It was, for much of its history, the largest manufacturer in Britain. It was formed by the merger of four leading British chemical companies in 1926. Its headquarters were at M ...
, and the first to enter clinical use, in November 1963. However, it was never used widely due to carcinogenicity in mice, which was thought to result from formation of a carcinogenic naphthalene epoxide metabolite, and was superseded by
propranolol Propranolol, sold under the brand name Inderal among others, is a medication of the beta blocker class. It is used to treat high blood pressure, a number of types of irregular heart rate, thyrotoxicosis, capillary hemangiomas, performance a ...
from 1965 onward.


See also

*
Beta blocker Beta blockers, also spelled β-blockers, are a class of medications that are predominantly used to manage abnormal heart rhythms, and to protect the heart from a second heart attack after a first heart attack ( secondary prevention). They are ...
* Discovery and development of beta-blockers


References

Beta blockers 2-Naphthyl compounds Phenylethanolamines {{antihypertensive-stub