Sorry, you need to enable JavaScript to visit this website.
Skip to main content


Estradiol

Estradiol
CAS Number: 50-28-2

Estradiol

Therapeutic Category
Anti-Osteoporosis
API Technology
Steroid
Dose From
Topical
Dr Reddy's Development Status
Available
Innovator Brand (USA)
Menostar

Mechanism of Action

Endogenous estrogens are largely responsible for the development and maintenance of the female reproductive system and secondary sexual characteristics. Although circulating estrogens exist in a dynamic equilibrium of metabolic interconversions, estradiol is the principal intracellular human estrogen and is substantially more potent than its metabolites, estrone and estriol, at the receptor level.

The primary source of estrogen in normally cycling adult women is the ovarian follicle, which secretes 70 to 500 mcg of estradiol daily, depending on the phase of the menstrual cycle. After menopause, most endogenous estrogen is produced by conversion of androstenedione, which is secreted by the adrenal cortex, to estrone in the peripheral tissues. Thus, estrone and the sulfate conjugated form, estrone sulfate, are the most abundant circulating estrogens in postmenopausal women.

Estrogens act through binding to nuclear receptors in estrogen-responsive tissues. To date, two estrogen receptors have been identified. These vary in proportion from tissue to tissue.

Circulating estrogens modulate the pituitary secretion of the gonadotropins, luteinizing hormone (LH) and follicle stimulating hormone (FSH), through a negative feedback mechanism. Estrogens act to reduce the elevated levels of these hormones seen in postmenopausal women.

Indication

Menostar is an estrogen indicated for:

  • Prevention of Postmenopausal Osteoporosis

Dr. Reddy's Expertise

Headquartered in Hyderabad, India, Dr. Reddy's Laboratories is one of the leading Active Pharmaceutical Ingredients (API) suppliers globally. Dr. Reddy's API business is a preferred partner to pharma companies across the US, Europe, Brazil, Latin America, Japan, China, Korea and emerging markets.

Dr. Reddy's API business thrives on the deep technical strengths established over the last 30+ years in the development and manufacture of complex APIs such as steroids, peptides, complex long chain molecules and highly potent APIs (HPAPIs / oncology drugs). This expertise is complemented by our prowess in intellectual property and regulatory affairs which helps us consistently meet and exceed regulatory standards. Dr. Reddy's Estradiol API is the outcome of the extensive expertise in R&D, IP, and Regulatory.

A key component in helping our customers be first to market is a responsive supply chain. We achieve this by making sure that all our facilities are operating efficiently and to the latest standards of quality, safety, and productivity. A strong interconnect between business and factories allows for a quick reaction to dynamic market changes, so that we can avert shortages and meet sudden surges in demand.

We are here to help, if you have any country specific requirements.

Contact Us

Contact Us

Please fill in the following form and we'll get back to you shortly

Email us: api@drreddys.com |   +91 40 49002253

Disclaimer

Products protected by valid patents are not offered for sale in countries where the sale of such products constitutes patent infringement. Availability may be restricted to certain markets or countries. Please Contact Us for more information on availability and product suitability.

All product information, including that with regard to active pharmaceutical ingredients (API), the indication, and possible mechanism(s) of action, is based on publicly available product label.

  Email us: api@drreddys.com |   +91 40 49002253