Share This Page
List of Excipients in Branded Drug AFTERA
✉ Email this page to a colleague
| Company | Tradename | Ingredient | NDC | Excipient | Potential Generic Entry |
|---|---|---|---|---|---|
| Foundation Consumer Healthcare LLC | AFTERA | levonorgestrel | 69536-103 | LACTOSE MONOHYDRATE | |
| Foundation Consumer Healthcare LLC | AFTERA | levonorgestrel | 69536-103 | MAGNESIUM STEARATE | |
| Foundation Consumer Healthcare LLC | AFTERA | levonorgestrel | 69536-103 | SILICON DIOXIDE | |
| Foundation Consumer Healthcare LLC | AFTERA | levonorgestrel | 69536-103 | STARCH, CORN | |
| >Company | >Tradename | >Ingredient | >NDC | >Excipient | >Potential Generic Entry |
Aftera Excipient Strategy and Commercial Opportunities
Aftera is a single-dose, over-the-counter emergency contraceptive containing 1.5 mg of levonorgestrel. Its commercial value is driven less by active-ingredient differentiation than by low-cost manufacture, broad retail access, shelf stability, discreet packaging, and consumer usability. The most practical excipient opportunities are lactose-free reformulation, faster disintegration, improved taste, moisture protection, and alternative dosage forms such as orally disintegrating tablets or thin films.
What is Aftera and how is it regulated?
Aftera contains levonorgestrel, a synthetic progestin used for emergency contraception after unprotected intercourse or contraceptive failure. The product is intended for use as soon as possible, generally within 72 hours, although clinical effectiveness declines with time.[1]
| Attribute | Aftera profile |
|---|---|
| Active ingredient | Levonorgestrel |
| Strength | 1.5 mg |
| Dosage form | Immediate-release oral tablet |
| Regulatory category | Over-the-counter emergency contraceptive |
| Primary use | Prevention of pregnancy after unprotected intercourse or contraceptive failure |
| Prescription requirement | None in the United States |
| Primary commercial comparators | Plan B One-Step, Take Action, My Choice, Option 2, generic levonorgestrel 1.5 mg products |
| Main commercial channel | Retail pharmacy, mass merchants, e-commerce, family-planning and institutional channels |
The FDA approved nonprescription access to levonorgestrel emergency contraception following the prescription product’s regulatory history and subsequent switch to OTC status.[2] Consumers do not need to provide proof of age or a prescription to purchase levonorgestrel emergency contraception in the United States.
What excipients are used in Aftera?
Aftera’s public product labeling identifies a conventional immediate-release tablet platform. The formulation uses standard pharmaceutical excipients associated with tablet binding, disintegration, lubrication, flow, and release control.[3]
The disclosed inactive-ingredient profile should be verified against the current National Library of Medicine DailyMed record and the package label for the specific marketed product and manufacturer. Levonorgestrel emergency-contraceptive tablets commonly use excipient systems built around:
- Microcrystalline cellulose as a diluent and compression aid.
- Lactose monohydrate as a filler.
- Croscarmellose sodium or sodium starch glycolate as a superdisintegrant.
- Povidone as a binder.
- Magnesium stearate as a lubricant.
- Colloidal silicon dioxide as a glidant.
- Poloxamer or a related surfactant to support wetting and dissolution.
Because levonorgestrel is administered at a low dose, the tablet’s physical properties depend primarily on excipient selection and process control. The active pharmaceutical ingredient represents a small fraction of total tablet mass. This creates room to modify tablet performance without changing the 1.5 mg drug dose.
What does each excipient contribute?
| Excipient function | Typical material | Commercial purpose |
|---|---|---|
| Dilution and compactibility | Microcrystalline cellulose, lactose | Produces a manufacturable tablet at low drug loading |
| Disintegration | Croscarmellose sodium, sodium starch glycolate | Supports rapid tablet breakup after ingestion |
| Binding | Povidone | Improves granule and tablet strength |
| Lubrication | Magnesium stearate | Prevents sticking and supports tablet ejection |
| Flow control | Colloidal silicon dioxide | Improves powder handling and die filling |
| Wetting and dissolution | Poloxamer or similar surfactant | Helps wet the hydrophobic drug and excipient matrix |
| Coating or taste control | Film-forming polymers and sweeteners | Improves appearance, swallowability, and brand differentiation |
The most important formulation risks are low-dose content uniformity, lubricant overuse, delayed disintegration, moisture sensitivity, and variability in dissolution caused by hydrophobic drug particles.
What excipient strategy is most commercially attractive for Aftera?
A low-risk strategy is to preserve the immediate-release tablet while replacing or optimizing excipients that create consumer or procurement disadvantages.
Lactose-free formulation
A lactose-free version could use mannitol, microcrystalline cellulose, dibasic calcium phosphate, or a co-processed excipient system in place of lactose. The opportunity is commercially relevant because lactose intolerance and ingredient avoidance influence consumer purchasing decisions, even when the amount of lactose in a tablet is small.
The principal development issues are:
- Maintaining tablet hardness without slowing disintegration.
- Controlling friability at a smaller tablet size.
- Preserving content uniformity at low levonorgestrel loading.
- Avoiding a chalky mouthfeel in chewable or orally disintegrating products.
- Demonstrating equivalent dissolution and bioavailability.
A lactose-free formulation has a clearer marketing claim than a conventional reformulation, but it is unlikely to create strong patent protection by itself. Protection would depend on a narrowly defined composition, process, or performance profile.
Faster-disintegrating immediate-release tablet
A rapid-disintegration formulation could use a higher-efficiency superdisintegrant, optimized particle size, porous excipients, or direct-compression technology. The commercial claim would be easier to communicate than a conventional excipient change: smaller tablet, faster breakup, or easier administration.
The formulation must avoid implying that faster disintegration produces greater contraceptive efficacy. Levonorgestrel exposure and clinical effectiveness depend on administration timing and absorption, not simply on tablet breakup.
Potential approaches include:
- Direct compression with microcrystalline cellulose and a high-efficiency superdisintegrant.
- Mannitol-based orally disintegrating tablets.
- Co-processed excipients that improve flow and compactibility.
- Wetting-agent optimization to reduce dissolution variability.
- Low-force compression to preserve tablet porosity.
Taste-masked orally disintegrating tablet
An orally disintegrating tablet could address users who have difficulty swallowing, lack access to water, or want discreet administration. Mannitol, xylitol, crospovidone, flavor systems, and polymeric taste-masking layers could support this format.
The main technical problem is the bitter or unpleasant taste associated with many active pharmaceutical ingredients. Taste masking can use:
- Drug-resin complexes.
- Polymer coating of levonorgestrel particles.
- Lipid or wax-based microparticles.
- Ionically modified particles, although levonorgestrel’s neutral character limits some ion-exchange options.
- Sweetener and flavor systems combined with rapid swallowing.
A taste-masked product would likely require more development than a standard tablet because the excipients can affect dissolution, uniformity, and bioavailability. Depending on the extent of formulation change, the regulatory pathway could move beyond a simple generic-equivalence strategy.
Thin-film delivery
A sublingual or buccal film could offer discreet administration and eliminate the need to swallow a tablet. It could also support unit-dose packaging and a differentiated consumer experience.
The obstacles are significant:
- Uniform distribution of a low-dose, poorly water-soluble hormone across a thin film.
- Film tack and handling.
- Moisture sensitivity.
- Dose transfer from packaging.
- Taste and mouthfeel.
- Demonstration of comparable systemic exposure.
- Greater packaging and manufacturing complexity.
A film has stronger differentiation potential than a conventional tablet, but its cost of goods and regulatory burden would be higher. The product would probably need a new drug application, a 505(b)(2) application, or another pathway supported by comparative clinical and pharmacokinetic data rather than a routine ANDA approach.
What formulation patents could protect an improved Aftera product?
An excipient strategy can produce intellectual property, but broad protection is difficult because levonorgestrel tablets have been commercially available for years and the excipients are widely used.
The strongest potential claims would usually focus on a combination of measurable features rather than a generic list of excipients.
Formulation claim categories
| Claim category | Potential strength | Typical vulnerability |
|---|---|---|
| Specific excipient list | Low | Easily challenged as an obvious substitution |
| Excipient concentration ranges | Low to moderate | Prior-art overlap and routine optimization |
| Rapid disintegration plus dissolution profile | Moderate | Requires reproducible test data and non-obvious performance |
| Taste-masked levonorgestrel particles | Moderate to strong | Depends on novelty, process complexity, and data |
| Moisture-protective tablet and package system | Moderate | May be limited to packaging or process claims |
| Orally disintegrating dosage form | Moderate | Broad claims face formulation prior art |
| Thin film with dose-uniformity controls | Moderate to strong | Manufacturing and delivery details can narrow claims |
| Manufacturing process for low-dose uniformity | Moderate | Process must be difficult to design around |
| Stability profile under defined conditions | Moderate | Stability claims require robust supporting data |
A defensible estate would combine:
- Composition claims.
- Manufacturing-process claims.
- Dissolution or disintegration performance claims.
- Packaging claims.
- Method-of-use claims where permitted.
Method-of-use protection is limited for a standard levonorgestrel emergency-contraception indication because the use is established. A differentiated administration method, such as a validated alternative route or specific patient-use protocol, could support separate claims, but those claims would face substantial validity and enforceability challenges.
What is the Orange Book status of Aftera?
Aftera is an OTC levonorgestrel product, and Orange Book analysis must distinguish the brand’s own regulatory listing from the broader reference-product and generic landscape.
The FDA Orange Book identifies approved drug products, therapeutic equivalence evaluations, patent information where applicable, and exclusivity data.[4] For levonorgestrel emergency contraception, the key commercial fact is that multiple equivalent or substitutable products are already available. That reduces the likelihood that a conventional Aftera tablet has a durable blocking position based solely on the active ingredient.
A product-specific Orange Book conclusion should rely on the current FDA listing for the applicable application number and manufacturer. Public commercial availability alone does not establish that a product has listed patents, unexpired exclusivity, or a standalone patent estate.
When does Aftera lose exclusivity?
Aftera does not appear to depend on a meaningful, long-duration exclusivity period for commercial protection. The levonorgestrel emergency-contraceptive market has multiple OTC products and generic alternatives.
The relevant exclusivity framework is:
| Exclusivity type | Commercial relevance to Aftera |
|---|---|
| New chemical entity exclusivity | Not applicable to levonorgestrel |
| New clinical investigation exclusivity | Unlikely to be the primary barrier for a standard 1.5 mg product |
| Orphan exclusivity | Not applicable |
| Pediatric exclusivity | Not a central commercial protection for this product |
| Patent exclusivity | Requires product-specific listed patents or enforceable formulation rights |
| OTC monograph protection | Depends on the applicable FDA regulatory framework and product compliance |
| Brand differentiation | Remains commercially relevant after legal exclusivity ends |
The practical loss-of-exclusivity issue is therefore substitution pressure, not a single cliff date. Retailers and consumers can switch among brands with comparable active ingredients, dosage strengths, and administration instructions.
Which companies are challenging Aftera commercially?
The competitive challenge comes from manufacturers and marketers of levonorgestrel 1.5 mg emergency contraception rather than from a single litigating generic company.
Key competitors include:
- Bayer’s Plan B One-Step, subject to current brand ownership and commercialization arrangements.
- Perrigo-branded or private-label levonorgestrel products.
- Foundation Consumer Healthcare products, depending on the specific brand and market.
- Take Action and other retail emergency-contraception brands.
- Retailer-owned private-label products.
- International levonorgestrel emergency-contraception manufacturers.
The market is price-sensitive. Retailers can change shelf allocation based on wholesale acquisition cost, gross margin, supply reliability, packaging, and consumer recognition. A reformulated Aftera product would need to improve one of those variables rather than rely on a minor excipient change.
What generic entry risks exist for Aftera?
Generic entry risk is high for a conventional levonorgestrel 1.5 mg tablet because:
- The active ingredient is established.
- The dosage strength is standardized.
- The administration route is conventional.
- Multiple manufacturers have experience with the product category.
- Substitution is easy for pharmacies and consumers.
- Excipients are generally available from multiple suppliers.
- Manufacturing equipment is standard for oral solid dosage products.
The principal barriers are operational rather than patent-based:
- Reliable API sourcing.
- Low-dose blend uniformity.
- Dissolution control.
- Packaging against heat and humidity.
- OTC labeling compliance.
- Retail distribution.
- Inventory management during demand spikes.
- Quality-system maintenance across multiple contract manufacturers.
What could delay a generic launch?
A generic or private-label entrant could face delays from:
- FDA deficiencies concerning bioequivalence or dissolution.
- Inadequate stability data.
- Packaging failures.
- Content-uniformity problems.
- Supplier changes affecting excipient functionality.
- Labeling errors involving timing, vomiting, BMI, or drug interactions.
- Retail qualification and supply-chain requirements.
These risks are manageable and do not create a durable barrier comparable to biologic manufacturing or complex drug-device combination products.
How strong is the patent estate for Aftera?
The patent estate for a standard Aftera tablet is likely weak relative to the commercial importance of the product. The active ingredient and core indication are old, and standard tablet excipients are widely known.
Patent strength would improve if a new product incorporated a technically difficult feature, such as:
- A defined taste-masking architecture.
- A film or orally disintegrating system with demonstrated pharmacokinetic equivalence.
- A moisture-stable low-dose composition.
- A manufacturing process that consistently achieves narrow content-uniformity limits.
- A specialized unit-dose package that materially improves stability.
- A distinct combination product with a separate regulatory rationale.
Even then, the value of the estate would depend on whether competitors could design around the claims using different excipients or manufacturing steps.
What manufacturing and IP barriers matter most?
The highest-value technical barrier is low-dose uniformity. At 1.5 mg per unit, the API must be dispersed consistently through a much larger excipient mass. Direct blending, granulation, ordered mixing, and API particle engineering can each affect content uniformity and dissolution.
Manufacturing priorities
| Manufacturing issue | Recommended strategy |
|---|---|
| Low-dose uniformity | Control API particle size, blend order, mixing energy, and segregation |
| Poor wetting | Use surfactant or particle-engineering approaches |
| Slow disintegration | Optimize superdisintegrant type, level, and placement |
| Tablet sticking | Control lubricant level, tooling, and granule moisture |
| Moisture sensitivity | Use high-barrier blister or bottle packaging with desiccant where needed |
| Stability drift | Conduct accelerated and long-term studies under commercial packaging |
| Supply continuity | Qualify at least two sources for critical excipients |
| OTC handling | Design for consumer-use errors and clear label comprehension |
Excipient suppliers with reliable regulatory documentation can create procurement advantages, but the ingredients themselves generally do not create significant exclusivity. A co-processed excipient or proprietary particle-engineering platform can provide stronger differentiation if it produces measurable performance benefits.
What commercial opportunities exist for an improved Aftera product?
The most credible opportunities are segmented by user need and channel.
Premium consumer product
A premium version could combine:
- Smaller tablet size.
- Lactose-free formulation.
- Faster disintegration.
- Improved packaging.
- Clearer instructions.
- Discreet, tamper-evident unit-dose presentation.
This product could command a higher price only if the formulation benefit is visible and easy to understand.
Institutional and public-health supply
Government agencies, universities, clinics, shelters, and public-health organizations buy on cost, shelf life, packaging, and supply continuity. A robust low-cost formulation with long stability and simple case packaging may have greater commercial value in this channel than a premium dosage form.
E-commerce and telehealth
Online channels reward compact packaging, discreet shipping, subscription replenishment, and reliable fulfillment. A unit-dose blister with strong moisture protection and low shipping volume is commercially attractive.
International markets
International opportunities vary by country because emergency contraception may be sold through pharmacies, clinics, family-planning programs, or general retail. A formulation that tolerates heat and humidity, uses globally available excipients, and has multilingual packaging can support geographic expansion.
Combination and bundled offerings
A package could be commercially differentiated through non-drug components such as:
- Pregnancy-test inclusion.
- Counseling materials.
- Digital access to educational information.
- Multi-unit emergency-contraception packs.
A combination containing another active drug would create additional regulatory, safety, and IP complexity. The commercial case would need to be stronger than for a single-ingredient product.
How does Aftera compare with competing emergency contraceptives?
| Product category | Active ingredient | Main advantage | Main limitation | Patent or exclusivity profile |
|---|---|---|---|---|
| Aftera and levonorgestrel generics | Levonorgestrel 1.5 mg | Low cost, OTC access, familiar tablet | Time-sensitive use and intense price competition | Generally limited for conventional tablets |
| Plan B One-Step | Levonorgestrel 1.5 mg | Brand recognition | Premium pricing and generic substitution | Brand value exceeds formulation differentiation |
| Ulipristal acetate products | Ulipristal acetate 30 mg | Different pharmacology and longer labeled window | Prescription requirements may apply in some markets | Separate regulatory and patent analysis |
| Copper intrauterine device | Copper device | Long-term contraception and emergency use | Requires trained insertion | Device and method-of-use protection differs materially |
| Next-generation oral products | Varies | Potential extended window or new usability | Development and regulatory cost | Greater opportunity for new composition and method claims |
Aftera competes most directly with other levonorgestrel tablets. It competes indirectly with ulipristal acetate and copper intrauterine devices, which address different clinical and logistical needs.
What litigation and settlement issues affect Aftera?
No major, product-defining patent litigation or settlement position should be inferred solely from the Aftera brand name. The relevant legal review must examine:
- The FDA application associated with the marketed product.
- Orange Book patent listings for the relevant reference product.
- Paragraph IV certifications filed by ANDA applicants.
- Federal district court complaints under the Hatch-Waxman framework.
- Any license, supply, or private-label manufacturing agreement.
- Current ownership and commercialization rights.
For a conventional OTC levonorgestrel tablet, litigation risk is more likely to concern regulatory approval, labeling, trade dress, or commercial contracts than a broad composition-of-matter patent. A genuinely differentiated formulation could change that profile, but the claims would need to survive obviousness and design-around analysis.
Key Takeaways
- Aftera is a 1.5 mg levonorgestrel OTC emergency-contraceptive tablet.
- The core formulation is a conventional immediate-release oral solid dosage form.
- The strongest excipient opportunities are lactose-free design, rapid disintegration, taste masking, moisture protection, and low-dose uniformity.
- A standard excipient substitution is unlikely to produce strong patent protection.
- Orally disintegrating tablets and thin films offer more differentiation but require greater regulatory and manufacturing investment.
- Generic entry risk is high because levonorgestrel 1.5 mg tablets are standardized and widely available.
- The commercial moat is more likely to come from cost, retail access, packaging, supply reliability, and consumer usability than from drug-substance patents.
- The highest-value technical issue is consistent low-dose API distribution and dissolution.
- Product-specific Orange Book, patent, litigation, and licensing conclusions require identification of the applicable FDA application and current manufacturer record.
FAQs
Can Aftera be reformulated without changing the levonorgestrel dose?
Yes. A developer can modify excipients, compression conditions, coating, packaging, or dosage form while retaining 1.5 mg of levonorgestrel. The regulatory requirements depend on how materially the change affects dissolution, bioavailability, stability, labeling, and dosage form.
Is a lactose-free Aftera formulation commercially viable?
Yes. A lactose-free tablet could support consumer positioning and institutional procurement. Its commercial value would depend on preserving tablet strength, rapid disintegration, stability, and low manufacturing cost.
Would an orally disintegrating Aftera tablet receive new patent protection?
Possibly, but an ODT label alone is unlikely to be sufficient. Stronger protection would require a novel excipient architecture, taste-masking method, manufacturing process, or defined performance profile that is non-obvious over existing levonorgestrel formulations.
Does levonorgestrel emergency contraception require cold-chain distribution?
No. It is generally distributed as a room-temperature oral solid dosage form. Commercial packaging must still protect the product from heat, humidity, light, and excessive handling during distribution.
What is the most defensible commercial claim for a new Aftera formulation?
The strongest claim is likely to combine an objective formulation benefit with a clear consumer advantage, such as "lactose-free, rapidly disintegrating, moisture-stable tablet." The claim must be supported by validated laboratory data and compliant OTC labeling.
References
-
U.S. Food and Drug Administration. (2022). Plan B One-Step levonorgestrel tablet, 1.5 mg: Prescribing information and consumer labeling. FDA.
-
U.S. Food and Drug Administration. (2013). FDA approves Plan B One-Step emergency contraceptive for OTC use without age or point-of-sale restrictions. FDA.
-
National Library of Medicine. (n.d.). Aftera- levonorgestrel tablet: DailyMed drug label. DailyMed.
-
U.S. Food and Drug Administration. (2024). Approved drug products with therapeutic equivalence evaluations, Orange Book. FDA.
More… ↓
Make Better Decisions: Try a trial or see plans & pricing
Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.
Alerts Available With Subscription
Alerts are available for users with active subscriptions.
Visit the Subscription Options page for details on plans and pricing.
ISSN: 2162-2639

Privacy and Cookies
Terms & Conditions
Site Map
DrugPatentWatch Alternatives
LOE / Major Patent Expirations 2026 - 2027
NCE-1 Patent Challenge Dates 2026 - 2027
Friedman, Yali. "DrugPatentWatch" DrugPatentWatch, thinkBiotech, 2026, www.DrugPatentWatch.com.
See Primary Research Papers Citing DrugPatentWatch
Access the Complete Database
Deeper Knowledge, Faster
- Analyze global market entry opportunities
- Uncover prior art in expired and abandoned patents
- Drug patents in 130+ countries