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Last Updated: December 16, 2025

Suppliers and packagers for generic pharmaceutical drug: METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE


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METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

Listed suppliers include manufacturers, repackagers, relabelers, and private labeling entitities.

Applicant Tradename Generic Name Dosage NDA NDA/ANDA Supplier Package Code Package Marketing Start
Msd Sub Merck JANUMET XR metformin hydrochloride; sitagliptin phosphate TABLET, EXTENDED RELEASE;ORAL 202270 NDA Merck Sharp & Dohme LLC 0006-0078-28 2 BOTTLE in 1 CARTON (0006-0078-28) / 14 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0006-0078-14) 2012-02-02
Msd Sub Merck JANUMET XR metformin hydrochloride; sitagliptin phosphate TABLET, EXTENDED RELEASE;ORAL 202270 NDA Merck Sharp & Dohme LLC 0006-0078-61 60 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0006-0078-61) 2012-02-02
Msd Sub Merck JANUMET XR metformin hydrochloride; sitagliptin phosphate TABLET, EXTENDED RELEASE;ORAL 202270 NDA Merck Sharp & Dohme LLC 0006-0078-62 180 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0006-0078-62) 2012-02-02
Msd Sub Merck JANUMET XR metformin hydrochloride; sitagliptin phosphate TABLET, EXTENDED RELEASE;ORAL 202270 NDA Merck Sharp & Dohme LLC 0006-0078-82 1000 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0006-0078-82) 2012-02-02
Msd Sub Merck JANUMET XR metformin hydrochloride; sitagliptin phosphate TABLET, EXTENDED RELEASE;ORAL 202270 NDA Merck Sharp & Dohme LLC 0006-0080-28 2 BOTTLE in 1 CARTON (0006-0080-28) / 14 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0006-0080-14) 2012-02-02
Msd Sub Merck JANUMET XR metformin hydrochloride; sitagliptin phosphate TABLET, EXTENDED RELEASE;ORAL 202270 NDA Merck Sharp & Dohme LLC 0006-0080-61 60 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (0006-0080-61) 2012-02-02
>Applicant >Tradename >Generic Name >Dosage >NDA >NDA/ANDA >Supplier >Package Code >Package >Marketing Start

Suppliers for the Pharmaceutical Drugs: Metformin Hydrochloride and Sitagliptin Phosphate

Last updated: July 28, 2025


Overview

The global pharmaceutical market for antidiabetic medications, particularly metformin hydrochloride and sitagliptin phosphate, is characterized by a widespread network of suppliers from manufacturing giants to regional firms. These drugs are essential in managing type 2 diabetes mellitus, a condition affecting millions worldwide. Ensuring a reliable supply chain is critical for pharmaceutical companies, healthcare providers, and patients alike.


Metformin Hydrochloride Suppliers

Metformin hydrochloride, a first-line oral antihyperglycemic agent, is produced predominantly by large-scale pharmaceutical manufacturers with extensive R&D and manufacturing capabilities.

Leading Global Suppliers

  • Mitsubishi Tanabe Pharma Corporation (Japan): One of the largest producers, offering high-grade metformin globally. Their manufacturing facilities comply with Good Manufacturing Practices (GMP), ensuring consistent quality.

  • Huadong Medicine (China): A dominant player in the Asian market, Huadong supplies both bulk API and finished formulations, maintaining rigorous quality standards aligned with WHO guidelines.

  • Sun Pharmaceutical Industries (India): Among India’s largest pharmaceutical companies, Sun Pharma supplies substantial quantities of metformin API, leveraging cost-effective production processes while complying with international standards.

  • Lupin Limited (India): A key API supplier, Lupin exports metformin to over 80 countries, focusing on affordable, high-quality API production.

  • Zhejiang Huahai Pharmaceutical Co., Ltd. (China): Recognized for their robust API production, they export globally and are noted for their high-quality manufacturing standards.

Regional and Contract Manufacturers

Numerous regional manufacturers in India, China, and Southeast Asia supply bulk API through licensing and contract manufacturing agreements. These firms often cater to generic drug producers and have scaled production capacities.


Sitagliptin Phosphate Suppliers

Sitagliptin phosphate, a dipeptidyl peptidase-4 (DPP-4) inhibitor, is manufactured by a more limited number of specialized suppliers due to its complex synthesis process.

Major Global Suppliers

  • Merck & Co., Inc. (United States): As the original developer, Merck supplies sitagliptin globally through licensed manufacturing partners, maintaining control over API quality.

  • Hikma Pharmaceuticals (UK): Acts as a significant generic provider, sourcing sitagliptin API from licensed manufacturers to produce affordable generic formulations.

  • Suzhou Chia Tai Pharmaceutical Co., Ltd. (China): A key API manufacturer that supplies sitagliptin to various markets, including Asia and emerging economies.

  • Hunan Sinuo Pharmaceutical Co., Ltd. (China): Recognized for high-quality API production, serving both domestic and international markets.

  • Ranbaxy Laboratories (India): Now part of Sun Pharma, historically supplied sitagliptin APIs for generic formulations.

Contract and Regional Manufacturers

Similar to metformin, several Indian and Chinese firms produce sitagliptin phosphate API under licensing agreements. Given the complex synthesis, manufacturing capacity is often concentrated among firms with specialized chemical synthesis expertise.


Supply Chain Dynamics and Quality Standards

The supply of both drugs hinges on compliance with global regulatory frameworks, such as US FDA, EMA, and WHO GMP standards. Suppliers investing in rigorous quality control are prioritized by pharmaceutical companies seeking to mitigate supply risks.

Regional manufacturing hubs like India and China dominate due to cost advantages but are increasingly adopting stricter quality controls to meet stringent international standards. This transition enhances supplier reliability and reduces supply chain vulnerabilities.


Market Trends Impacting Suppliers

  • Increasing Demand: The rise in global diabetes prevalence elevates demand, prompting pharmaceutical firms to diversify supplier bases and expand manufacturing capacity.

  • Regulatory Scrutiny: Increasing regulatory oversight, especially amidst trade tensions and quality concerns, encourages collaboration with well-established suppliers adhering to international standards.

  • Patent and Generic Dynamics: The expiration of patents on drugs like sitagliptin has catalyzed the emergence of generic suppliers, expanding the supplier pool but also intensifying competition.

  • Supply Chain Resilience: Recent disruptions such as COVID-19 have underscored the importance of diversified supplier networks and regional manufacturing hubs to ensure uninterrupted supply.


Key Considerations for Stakeholders

  • Quality Assurance: Vetting supplier compliance with international quality standards remains paramount.

  • Supply Agreements: Establishing long-term contracts mitigates risks and secures reliable procurement channels.

  • Regulatory Due Diligence: Ensuring supplier certifications and inspection reports align with regulatory requirements reduces compliance risks.

  • Diversification: Multiple sourcing strategies protect against regional disruptions and market fluctuations.


Key Takeaways

  • The global supply of metformin hydrochloride primarily involves large-scale producers in Japan, China, India, and other emerging markets, balancing quality and affordability.

  • Sitagliptin phosphate's complexity limits its supplier pool to a select group of specialized manufacturers, predominantly in North America, China, and India.

  • Ensuring quality compliance, diversified sourcing, and strategic partnerships remain vital to maintaining supply chain stability amidst increasing demand and regulatory scrutiny.

  • Emerging geographical markets and regulatory developments are shaping the supplier landscape, emphasizing the importance of supplier qualification and continuous quality monitoring.


FAQs

Q1: What are the primary factors influencing the choice of suppliers for metformin and sitagliptin APIs?
A: Quality standards, regulatory compliance, production capacity, cost, and supply reliability are decisive factors influencing supplier selection.

Q2: How has the COVID-19 pandemic affected the supply chain for these antidiabetic drugs?
A: The pandemic disrupted manufacturing and logistics, prompting companies to diversify suppliers, increase inventory buffers, and strengthen regional manufacturing collaborations.

Q3: Are there any new entrants in the supply chain for these drugs?
A: Yes, numerous emerging manufacturers in India and China are entering the market, driven by patent expirations and capacity expansion, enhancing competition.

Q4: What role do regulatory agencies play in supplier qualification?
A: Regulatory agencies like the FDA and EMA inspect and approve manufacturing facilities, ensuring API quality, safety, and regulatory compliance.

Q5: How can pharmaceutical companies mitigate supply chain risks for these APIs?
A: By establishing multiple supplier relationships, conducting rigorous quality audits, maintaining safety stock, and sourcing from regions with stable regulatory environments.

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