Company intelligence / Profile preview

Ayerst, McKenna & Harrison

Montreal, Quebec, Canada

Ownership: Private
Development stage: Other

Overview

Ayerst, McKenna & Harrison was a prominent Canadian pharmaceutical company founded in 1924 in Montreal. The company achieved global recognition for its pioneering work in endocrinology, specifically the development of Premarin, a conjugated estrogen therapy derived from the urine of pregnant mares. Premarin became one of the most successful and widely prescribed treatments for menopausal symptoms in medical history. The company was acquired by American Home Products in 1943 and was later merged with Wyeth to form Wyeth-Ayerst Laboratories, eventually becoming part of Pfizer.

Therapeutic areas: EndocrinologyWomen's HealthMetabolic Disorders
Modalities: Small moleculeHormone
Industry: Pharma

Beyond the preview

Go deeper on Ayerst, McKenna & Harrison.

Explore clinical development, deal activity, and the competitive landscape with Gosset’s full data platform.

Clinical trials

Follow clinical development from trial design and recruitment through results.

Trial phase
Status
Readouts

Licensing & deals

Explore licensing agreements, acquisitions, and the assets behind each deal.

Partners
Deal terms
Milestones

Funding history

Trace financing activity and the investors behind a company’s development.

Funding rounds
Investors
Capital raised

Competitive landscape

Compare peer pipelines by target, modality, and therapeutic area.

Peer companies
Targets
Pipeline overlap

Technologies & patents

Explore technology platforms and the patent landscape around relevant assets.

Platforms
Patents
Assignees

Research & analysis

Connect company news and source material to the questions you’re investigating.

Company news
Sources
Analysis

Bring the full picture into focus.

See how Gosset can support your research on Ayerst, McKenna & Harrison.

Explore the full profile