Product Information
ENDOMETRIN 100 MG VAG INSERT is a brand product labeled by Ferring Pharmaceuticals Inc., priced at $15.1518 per EA under NDC 55566650003. Its NADAC has been published 569 times since Nov 28, 2013.
FDA first approved this application on Jun 21, 2007. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
The High Outlier badge above means this manufacturer's average price in the Progesterone market falls above Q3 + 1.5·IQR across all competing manufacturers. We only apply this flag in markets with four or more competitors. Full definition: glossary → outlier.
Strength
100 mg/1
Manufacturer
Ferring Pharmaceuticals Inc.NDC
55566650003
Classification
Brand
Dosage Form
INSERT
Route
VAGINAL
Effective Date
9/23/2026
Active Ingredients
PROGESTERONEApproval Type
New Drug (NDA)
FDA Application
NDA022057FDA Approved
6/21/2007
TE Code
AB
On Market Since
6/21/2007
Pharmacological Classes
Price Statistics
The NADAC for ENDOMETRIN 100 MG VAG INSERT has been published 569 times since Nov 28, 2013, and over the history we have for it it has risen 95.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $15.1518 per EA |
|---|---|
| All-time high | $15.2109 (Jun 10, 2026) |
| All-time low | $7.7550 (Nov 28, 2013) |
| 52-week high | $15.2109 |
| 52-week low | $14.0717 |
| Median price | $12.4220 |
| Average price | $11.5764 |
| Largest weekly change | +12.1% (Nov 18, 2020) |
| Weeks tracked | 569 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
No other NADAC-published product shares this drug's active ingredient and strength in a comparable dosage form. Compare the broader picture on the Progesterone market page.
Lowest-Cost Alternatives
No alternatives available
Related Drugs
Same classification
Continue researching this drug
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Manufacturer
Ferring Pharmaceuticals Inc. manufacturer profile
See the full portfolio, pricing trend, and other products from this labeler.
Drug market
Progesterone market comparison
Compare this molecule across participating manufacturers and inspect the broader market price spread.
Therapeutic class
Progesterone class view
See how this drug behaves alongside other products in the same FDA pharmacologic class.
Trend hub
Latest market trends
Zoom back out to the weekly mover view and compare this NDC with the rest of the current NADAC release.
Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of ENDOMETRIN 100 MG VAG INSERT?
The current National Average Drug Acquisition Cost (NADAC) for ENDOMETRIN 100 MG VAG INSERT, manufactured by Ferring Pharmaceuticals Inc., is $15.1518 per EA (NDC 55566650003), effective Sep 30, 2026.
How has the price of ENDOMETRIN 100 MG VAG INSERT changed over time?
Over the history we have for it, the NADAC for ENDOMETRIN 100 MG VAG INSERT has risen 95.4%. It has been tracked across 569 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for ENDOMETRIN 100 MG VAG INSERT?
Since Nov 28, 2013, the NADAC for ENDOMETRIN 100 MG VAG INSERT has ranged from a low of $7.7550 (Nov 28, 2013) to a high of $15.2109 (Jun 10, 2026), with a median of $12.4220 per EA.
Are there cheaper alternatives to ENDOMETRIN 100 MG VAG INSERT?
No other NADAC-published product currently shares the active ingredient and strength of ENDOMETRIN 100 MG VAG INSERT in a comparable dosage form, so no direct lower-cost alternative is listed.
Who manufactures ENDOMETRIN 100 MG VAG INSERT?
ENDOMETRIN 100 MG VAG INSERT (NDC 55566650003) is labeled by Ferring Pharmaceuticals Inc., and CMS classifies it as a brand product.