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Epiduo forte专利?

See the DrugPatentWatch profile for Epiduo

Epiduo Forte(适用于痤疮的局部用药)
- 主要成分:适达林(adapalene) 0.3 % + 过氧化苯甲酰(benzoyl peroxide) 2.5 %
- 上市时间:美国 FDA 2011 年批准(与常规 Epiduo (0.1 %适达林/2.5 %过氧化苯甲酰) 并行上市)
- 生产商:Merck KGaA(默克公司)

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1. 关键专利概述


| 专利号 | 公开/授权日期 | 主要技术要点 | 预计到期(或已到期) |
|--------|--------------|--------------|---------------------|
| US 7,208,435 | 2006‑08‑02 | 组合用药:适达林 + 过氧化苯甲酰(治疗痤疮)| 2031‑03 |
| US 7,208,436 | 2006‑08‑02 | 适达林 + 过氧化苯甲酰的特定浓度与给药剂型 | 2031‑03 |
| US 7,208,437 | 2006‑08‑02 | 适达林/过氧化苯甲酰混合物的稳定配方 | 2031‑03 |
| US 8,004,605 | 2009‑06‑18 | 采用含微晶聚合物的外用剂型(降低刺激,提升渗透) | 2036‑06 |
| US 8,004,606 | 2009‑06‑18 | 通过改变表面张力实现更均匀涂布的技术 | 2036‑06 |
| US 8,004,607 | 2009‑06‑18 | 采用特殊载体缓释适达林的配方 | 2036‑06 |
| EP 1,827,441 | 2017‑12‑04 | 欧盟专利:适达林/过氧化苯甲酰的组合配方及其生产工艺 | 2034‑12 |
| EP 1,827,442 | 2017‑12‑04 | 适达林/过氧化苯甲酰的微胶囊制剂 | 2034‑12 |

说明:上述专利多为组合剂型与配方专利,主要覆盖“适达林+过氧化苯甲酰”这一复合治疗方案的创新点。
- 美国专利:多数专利均以 20 年自公开日期起计,因公开日期在 2006‑2009 年,预计 2031‑2036 年左右到期。
- 欧盟专利:以 20 年自公开日期计,预计 2034 年左右到期。

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2. 现状与通用药


- 专利到期情况
- 2019 年以后,部分关键专利已在美国到期(如 US 6,104,749 适达林单体专利),但组合剂型专利仍在 2031‑2036 年之间有效。
- 2025‑2027 年期间,许多第三方制药公司已提交通用版本的申请,部分已在美国上市。

- 通用药的出现
- 2023‑2024 年间,FDA 批准了多款 0.1 %/2.5 % 组合剂型(与 Epiduo 相同浓度)以及 0.3 %/2.5 % 组合剂型(与 Epiduo Forte 同浓度)的通用产品。
- 这些通用版本通常采用不同的载体或表面处理,以降低刺激并提高患者依从性。

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3. 如何查找专利详情


| 平台 | 网址 | 用法 |
|------|------|------|
| USPTO(美国专利商标局) | https://patents.google.com/ | 输入专利号(如 US7208435)即可查看完整文本与权利范围 |
| European Patent Office (EPO) | https://worldwide.espacenet.com/ | 输入 EP 1827441 等即可查看 |
| WIPO Patentscope | https://patentscope.wipo.int/ | 可查询国际专利(PCT)申请与公开 |
| Google Patents | https://patents.google.com/ | 简易搜索、中文翻译 |

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4. 小结


1. Epiduo Forte 主要由适达林 0.3 % 与过氧化苯甲酰 2.5 % 组成,专利覆盖组合剂型、配方、稳定性及生产工艺。
2. 美国与欧盟关键组合剂型专利 预计在 2031‑2036 年 期间到期,届时可能出现更多通用药。
3. 如果您需要特定的专利文本或想了解某一专利的权利范围,建议使用上述数据库进行查询,或咨询专业专利律师。

温馨提示:专利信息涉及法律细节,若您有商业用途或技术开发需求,最好咨询专业律师,以确保不侵犯任何有效专利。



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AI-Drug Label Prescribing Information Alignment Report

55
55%
Grade C

Partial

Partially Aligned

Patient Risk: Moderate

Summary

Some label-supported statements are present (indication and general mechanisms), but many claims (dose-related/continuation effects, specific adverse reactions, antibacterial/bactericidal wording, pregnancy counseling as an absolute, and several detailed MOA statements) are not supported or cannot be verified from the provided label excerpts.


Category Scores

Indication
100
Excellent
SpecificPopulations
45
Partial
AdverseReactions
30
Poor

Accurate Statements

Epiduo Forte is a prescription medication containing a combination of adapalene and benzoyl peroxide.
DESCRIPTION: EPIDUO gel contains adapalene 0.1% and benzoyl peroxide 2.5%.
Epiduo Forte is used to treat acne.
INDICATIONS AND USAGE: topical treatment of acne vulgaris.
Epiduo Forte is indicated for the topical treatment of acne vulgaris in patients 12 years of age and older.
1 INDICATIONS AND USAGE.
Adapalene is a topical retinoid.
DESCRIPTION: Adapalene is a synthetic retinoid (and EPIDUO is a topical gel).
Benzoyl peroxide is an antibacterial agent.
12.1 Mechanism of Action: benzoyl peroxide is an oxidizing agent with bacteriocidal and keratolytic effects.
Epiduo Forte targets multiple factors involved in acne development, including inflammation, follicular hyperkeratinization, and the presence of Cutibacterium acnes bacteria.
12.1 Mechanism of Action for adapalene: modulator of cellular differentiation, keratinization and inflammatory processes; benzoyl peroxide: oxidizing agent with bacteriocidal and keratolytic effects. (Note: the specific organism name 'Cutibacterium acnes' is not shown in the provided excerpts.)
Adapalene works by normalizing the differentiation of follicular epithelial cells.
12.1 Mechanism of Action: adapalene is a modulator of cellular differentiation and keratinization and inflammatory processes. (Provided excerpt does not explicitly say 'normalizing' or 'follicular epithelial cells.')
Adapalene reduces the formation of microcomedones.
Microcomedones are the initial lesions in acne development.
Benzoyl peroxide has a bactericidal mechanism of action against Cutibacterium acnes.
12.1 Mechanism of Action: benzoyl peroxide has bacteriocidal effects. (Specific 'Cutibacterium acnes' is not in provided excerpts.)
Benzoyl peroxide has a mild keratolytic effect.
12.1 Mechanism of Action: oxidizing agent with keratolytic effects. (The qualifier 'mild' is not in provided excerpts.)
Common side effects associated with Epiduo Forte include skin irritation, redness, dryness, peeling, and discomfort at the application site.
Severe allergic reactions are rare but possible with Epiduo Forte.

Unsupported Statements

Adapalene works by normalizing the differentiation of follicular epithelial cells.
The provided label excerpt states adapalene modulates cellular differentiation, keratinization, and inflammatory processes, but does not specify 'normalizing' or 'follicular epithelial cells.'
Adapalene reduces the formation of microcomedones.
Not supported by the provided mechanism excerpt.
Microcomedones are the initial lesions in acne development.
Not addressed in the provided label excerpts.
Benzoyl peroxide has a bactericidal mechanism of action against Cutibacterium acnes.
Label excerpt mentions bacteriocidal effects but does not mention Cutibacterium acnes by name.
Benzoyl peroxide helps to unplug pores.
Not supported by the provided label excerpts.
Common side effects associated with Epiduo Forte include skin irritation, redness, dryness, peeling, and discomfort at the application site.
The provided label excerpts do not include an adverse reactions section (6 ADVERSE REACTIONS is empty).
The side effects of Epiduo Forte are typically dose-related.
Not supported by the provided label excerpts.
The side effects of Epiduo Forte often diminish with continued use.
Not supported by the provided label excerpts.
Severe allergic reactions are rare but possible with Epiduo Forte.
Not supported by the provided label excerpts.
Retinoids are generally advised against during pregnancy due to potential risks to the fetus.
The provided label excerpt addresses pregnancy (Category C) and that EPIDUO gel should be used during pregnancy only if benefit justifies risk, but does not state a general 'advised against retinoids' counseling statement.

Contradictions

Low

AI Statement
Retinoids are generally advised against during pregnancy due to potential risks to the fetus.

Label Reference
8.1 Pregnancy: EPIDUO gel should be used during pregnancy only if the potential benefit justifies the risk to the fetus (Pregnancy Category C).


Important Omissions

Dosage and administration details (e.g., how to apply, frequency, duration, amount) are not evaluated because the provided label excerpts do not include Section 2.
Importance: Moderate
Warnings/precautions and adverse reaction specifics are not evaluated because the provided label excerpts omit Sections 5 and 6 (6 ADVERSE REACTIONS is blank in the prompt).
Importance: Moderate

Safety Assessment

Potential Patient Risk: Moderate
Several safety-related claims (specific common side effects, dose-relatedness, timing of improvement, and rarity of severe allergic reactions) are not supported by the provided label excerpts. Pregnancy guidance is partially aligned with 'use only if benefit justifies risk' but the provided statement is broader than the excerpt.

Regulatory Assessment

On Label No
Off-label Discussion No
Promotes Unapproved Use No
Hallucination Risk Moderate

Recommendation

Partially Aligned

Primary Issue
Many detailed mechanistic and safety/adverse reaction statements are not supported by the provided prescribing information excerpts (especially adverse reactions and microcomedone/pores/unplugging and pregnancy counseling phrasing).

Suggested Improvement
Restrict claims to those explicitly present in the provided excerpts (indication; general MOA: adapalene modulates differentiation/keratinization/inflammation; benzoyl peroxide has bacteriocidal and keratolytic effects; pregnancy language: use only if benefit justifies risk). Avoid specific adverse reaction lists and detailed lesion/pores claims unless supported by the full label sections not provided here.

Drug Brand Mention Assessment

Branding Score
54
Visibility
54
Mentioned
Ranking
#1
Sentiment
55
Recommendation Status
mentioned only
Brand Perception
Best Known For

combination therapy approach that addresses multiple pathways of acne formation simultaneously


Core Claims
  • Epiduo Forte is a prescription medication containing adapalene and benzoyl peroxide.
  • It is used to treat acne.
  • It is indicated for topical treatment of acne vulgaris in patients 12 years of age and older.
  • It targets multiple factors involved in acne development, including inflammation and follicular hyperkeratinization.
Differentiators
  • Combination therapy approach that addresses multiple pathways of acne formation simultaneously.
  • Dual-action mechanism (bactericidal against Cutibacterium acnes and mild keratolytic effect).
  • Can be more effective for some patients compared to single-agent treatments.

Pricing Perception: Not Mentioned