Viewing data from:

LO LOESTRIN FE

NDA

ETHINYL ESTRADIOL; NORETHINDRONE ACETATE | N022501 | ALLERGAN PHARMACEUTICALS INTERNATIONAL LTD

1 strength1 unique patent0 unique exclusivities

Patent Timeline

1 unique patent by expiration date

Active (1)TodayIPRPTAB Challenge

2027

2028

2029

Today

7704984

Feb. 2, 2029IPR

PTAB Proceedings

1 challenge on OB patents at the Patent Trial and Appeal Board

Trial #	Patent	Type	Petitioner	Status	Filed	Decision
IPR2015-00682	7704984	IPR	Mylan Pharmaceuticals Inc.	Institution Denied	2015-02-03	—

Patent Reexaminations

No ex parte or inter partes reexamination proceedings found at USPTO

Hatch-Waxman Litigation

1 case on OB patents from PACER

Case	Court	Filed	Status	Judge
WARNER CHILCOTT COMPANY, LLC v. LUPIN LTD. et al 3:2011cv05048 2 patentsANDA 203113norethindrone acetate and ethinyl estradiol	D.N.J.	2011-09-01	Terminated 2014-01-17	—

Source: PACER. NOS 835 (Patent - Abbreviated New Drug Application).

Citizen Petitions

1 petition from Regulations.gov

Petition	Type	Filed	Status	Petitioner
Suitability Petition from Neuvosyn Laboratories, LLC FDA-2026-P-7276 · 6 docket documents Neuvosyn Laboratories, LLC filed a suitability petition requesting FDA approval to use a nonprescription strength formulation of phenylephrine hydrochloride as an active pharmaceutical ingredient in over-the-counter drug products, specifically nasal decongestants. The petition seeks confirmation tha	Suitability	2026-06-30	WithdrawnNo FDA response document on docket	Neuvosyn Laboratories, LLC

Source: Regulations.gov. FDA citizen petitions matched by application number.

Clinical Trials

18 trials from ClinicalTrials.gov — 1 recruiting, 14 completed

Trial	Phase	Status	Sponsor	Enrollment	Dates
Identifying Oxytocin Deficiency in Pediatric Patients With Pituitary Disease NCT07568509	Early Phase 1	Recruiting	Massachusetts General Hospital	20	2026-08-17 → 2027-04
Phase II Randomized Study of Leuprolide Vs Oral Contraceptive Therapy Vs Leuprolide and Oral Contraceptive Therapy for Ovarian Hyperandrogenism NCT00004763	Phase 2	Completed	National Center for Research Resources (NCRR)	45	1993-01
Norethindrone/Ethinyl Estradiol 0.4 mg/35 Mcg Chewable Tablets Under Fasting Conditions NCT01340625	Phase 1	Completed	Teva Pharmaceuticals USA	36	2006-12 → 2007-01
Study of Safety and Efficacy of an Oral Contraceptive NCT00932321	Phase 3	Completed	Warner Chilcott	938	2004-01 → 2004-11
Study to Evaluate the Effect of IW-3718 on the Pharmacokinetics of Oral Contraceptive, Levothyroxine, Glyburide, and Digoxin in Healthy Adult Volunteers NCT03856970	Phase 1	Completed	Ironwood Pharmaceuticals, Inc.	87	2019-03-11 → 2019-07-03
A Study of Pharmacokinetic Drug Interaction Study of the Hedgehog Pathway Inhibitor GDC-0449 in Combination With Rosiglitazone or Combined Oral Contraceptive in Patients With Locally Advanced or Metastatic Solid Tumors That Are Refractory to Standard Therapy or for Whom No Standard Therapy Exists NCT01209143	Phase 1	Completed	Genentech, Inc.	52	2010-11 → 2012-03
Ovulation Incidence in Oral Contraceptive Users NCT03106454	Phase 3	Completed	University of Southern California	58	2014-08 → 2024-01-01
A Pharmacokinetic Study of Colchicine With an Oral Contraceptive NCT01040845	Phase 1	Completed	Mutual Pharmaceutical Company, Inc.	30	2007-08 → 2008-02
Drug Interaction Study of an OCP (Norethindrone (ND) Acetate and Ethinyl Estradiol (EE))With a Combination of Daclatasvir (DCV) Asunaprevir (ASV) and BMS-791325 NCT02103569	Phase 1	Completed	Bristol-Myers Squibb	20	2014-04 → 2014-07
Norethindrone/Ethinyl Estradiol 0.4 mg/35 Mcg Chewable Tablets Under Non-Fasted Conditions NCT01344369	Phase 1	Completed	Teva Pharmaceuticals USA	36	2008-08 → 2008-09

Source: ClinicalTrials.gov. Trials matched by ingredient name; data refreshed each weekday and may lag the registry.

Drug Pricing (NADAC)

National Average Drug Acquisition Cost — Week of 2026-08-26 | 1 NDC

Highest NADAC/Unit

$6.76

per ea

Lowest NADAC/Unit

$6.76

per ea

Brand NDCs

Generic NDCs

NDC Description	NADAC/Unit	Unit	Type	Generic NADAC	Effective
00430042014LO LOESTRIN FE 1-10 TABLET	$6.76	EA	Brand	—	2026-08-19

Source: NADAC (data.medicaid.gov). Prices reflect national average acquisition costs for retail community pharmacies.

VA Federal Supply Schedule

Government-negotiated contract prices | 2 NDCs (1 FSS, 1 Big4)

Lowest Price

$680.91

Highest Price

$734.41

FSS NDCs

Big4 NDCs

Description	Price	Type	Vendor	Contract End
00430-0420-14LOLOESTRIN 24, 10MG TABLETS	$680.91	Big4	Abbvie US LLC	07/31/2030
00430-0420-14LOLOESTRIN 24, 10MG TABLETS	$734.41	FSS	Abbvie US LLC	07/31/2030

Source: VA Federal Supply Schedule (va.gov). Prices are government-negotiated contract prices.

Medicare Part D Spending

CMS annual spending data for Lo Loestrin Fe (2024)

Total Spending

$1.3M

Total Claims

3,780

Beneficiaries

1,069

Avg Cost/Unit

$6.31

Spending Trend

$828K(2019)→$961K(2020)→$999K(2021)→$1.1M(2022)→$1.2M(2023)→$1.3M(2024)

YoY Change:-2.1%

5yr CAGR:+4.3%

Source: CMS Medicare Part D Spending by Drug (2024). Shows gross drug cost under Part D.

Approval Letters

5 letters from Drugs@FDA

Date	Submission	Document
May 3, 2022	SUPPL -15	View Letter (PDF)
Oct 19, 2021	SUPPL -12	View Letter (PDF)
Oct 12, 2017	SUPPL -9	View Letter (PDF)
Aug 15, 2017	SUPPL -8	View Letter (PDF)
Oct 26, 2010	ORIG -1	View Letter (PDF)

Source: Drugs@FDA application documents.

Products (1)

#001 — 0.01MG,0.01MG;1MG,N/A

RLDAB

1 patent0 exclusivities▴

TABLET;ORAL | Approved: Oct 21, 2010

Patents (1) · 1 use code

Patent #	Expiration	PED	Drug Substance	Drug Product	Use Code	Delist
7704984	Feb 2, 2029	—	—	—		—