Top 10 Companies in the Long-acting Weight Loss Drugs Industry (2025): Market Leaders Revolutionizing Global Obesity Management

In Business and finance, Global Business
October 03, 2025


The Global Long-acting Weight Loss Drugs Market was valued at USD 4.2 Billion in 2023 and is projected to reach USD 7.34 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 6.4% during the forecast period (2023–2032). This growth is being driven by escalating obesity rates worldwide, heightened public health awareness around chronic weight management, and the rapid advancement of innovative therapies such as GLP-1 receptor agonists that offer sustained appetite suppression and metabolic benefits.

As the healthcare sector shifts toward preventive care and long-term therapeutic solutions for metabolic disorders, attention turns to the pharmaceutical innovators leading the charge in extended-release formulations. These companies are not only addressing immediate weight loss needs but also fostering comprehensive lifestyle integration through less frequent dosing regimens. In this blog, we profile the Top 10 Companies in the Long-acting Weight Loss Drugs Industry—a blend of established biopharma leaders and specialized developers pioneering the next wave of obesity treatments.


🔟 1. Novo Nordisk A/S

Headquarters: Bagsværd, Denmark
Key Offering: Semaglutide (Wegovy, Ozempic), Liraglutide (Saxenda)

Novo Nordisk stands as a dominant force in the long-acting weight loss arena, with its GLP-1 based therapies revolutionizing patient adherence through weekly injections. The company’s portfolio targets obesity by mimicking satiety hormones, leading to significant weight reduction in clinical trials. Serving millions globally, Novo Nordisk’s focus on cardiovascular comorbidity management alongside weight loss has broadened its appeal in primary care and endocrinology settings.

Because of its deep investment in peptide engineering, the firm continues to expand access via partnerships with telemedicine providers, ensuring broader reach in underserved regions. Furthermore, ongoing phase III studies explore even longer-acting variants to minimize dosing frequency further.

Research Initiatives:

  • Expansion of semaglutide indications to include pediatric obesity

  • Collaborations with digital health apps for real-time adherence tracking

  • Commitment to affordability programs in emerging markets by 2030

Download FREE Sample Report: Long-acting Weight Loss Drugs Market – View in Detailed Research Report


9️⃣ 2. Eli Lilly and Company

Headquarters: Indianapolis, Indiana, USA
Key Offering: Tirzepatide (Zepbound, Mounjaro), Dual GIP/GLP-1 agonists

Eli Lilly has emerged as a fierce competitor with its dual-agonist approach, offering superior efficacy in weight loss compared to single-target therapies. Tirzepatide’s once-weekly administration has captured significant market share, particularly among patients with type 2 diabetes overlapping with obesity. The company’s robust manufacturing scale-up ensures supply chain stability amid surging demand.

However, challenges like side effect management have prompted Lilly to invest heavily in patient education resources. This strategic emphasis on holistic support differentiates it, as clinicians report higher satisfaction rates in long-term outcomes.

Research Initiatives:

  • Ongoing trials for oral long-acting formulations

  • Partnerships with insurers to cover extended therapy durations


8️⃣ 3. Roche Holding AG

Headquarters: Basel, Switzerland
Key Offering: Investigational GLP-1 analogs, CT-388

Roche is leveraging its expertise in oncology and immunology to pivot into metabolic health, developing long-acting injectables that target multiple pathways for weight regulation. Its pipeline emphasizes safety profiles suitable for broader demographics, including adolescents. Globally, Roche supplies through specialized distribution networks, focusing on high-obesity prevalence areas in Europe and North America.

The company’s acquisition strategy has accelerated entry, integrating biotech innovations to refine drug delivery systems. This has positioned Roche to capture niche segments where comorbidities like liver disease coexist with obesity.

Research Initiatives:

  • Targets for 15-20% body weight loss in phase II trials

  • Integration of AI for personalized dosing algorithms


7️⃣ 4. GlaxoSmithKline plc (GSK)

Headquarters: Brentford, United Kingdom
Key Offering: Orlistat (Xenical, Alli), Extended-release lipase inhibitors

GSK’s longstanding presence in weight management stems from orlistat, a long-acting oral agent that blocks fat absorption with daily dosing. While facing competition from injectables, GSK is innovating with combination therapies to enhance efficacy. Its global footprint spans over 100 countries, with strong penetration in primary care clinics.

Because regulatory approvals emphasize long-term safety, GSK conducts extensive post-market surveillance, building trust among healthcare providers. Furthermore, affordability initiatives in low-income regions have sustained its market leadership in oral segments.

Research Initiatives:

  • Development of next-gen pancreatic lipase inhibitors

  • Goal to blend orlistat with GLP-1 for synergistic effects by 2028

Download FREE Sample Report: Long-acting Weight Loss Drugs Market – View in Detailed Research Report


6️⃣ 5. VIVUS LLC

Headquarters: Campbell, California, USA
Key Offering: Phentermine/Topiramate ER (Qsymia)

VIVUS specializes in combination extended-release capsules that synergize appetite suppression with neurological modulation for sustained weight control. Qsymia’s monthly prescription model appeals to patients seeking non-injectable options. Primarily active in the U.S., VIVUS partners with pharmacies for direct-to-consumer education.

Despite market pressures, VIVUS’s focus on cardiovascular risk reduction has garnered endorsements from obesity societies. Its lean operations allow agile responses to FDA feedback, ensuring pipeline progression.

Research Initiatives:

  • Expansion to international markets in Asia-Pacific

  • Extended-release pediatric formulations in development


5️⃣ 6. Arena Pharmaceuticals (Pfizer Inc.)

Headquarters: San Diego, California, USA (acquired by Pfizer, New York)
Key Offering: Lorcaserin (Belviq XR), Selective serotonin receptor agonists

Following its acquisition by Pfizer, Arena’s long-acting serotonin-targeted drugs provide an alternative mechanism for appetite control, with once-daily dosing. This positions Pfizer to diversify beyond its core areas into specialized endocrinology. Distribution leverages Pfizer’s global network, reaching hospitals and clinics efficiently.

However, post-withdrawal scrutiny on safety has led to rigorous monitoring programs. Arena’s legacy in GPCR research continues to fuel next-gen candidates with improved tolerability.

Research Initiatives:

  • Post-acquisition trials for combination therapies

  • Aim for 10% market penetration in Europe by 2027


4️⃣ 7. Orexigen Therapeutics

Headquarters: Boston, Massachusetts, USA
Key Offering: Naltrexone/Bupropion ER (Contrave)

Orexigen’s extended-release formulation combines opioid antagonism with dopamine/norepinephrine reuptake inhibition for central nervous system-mediated weight loss. Contrave’s twice-daily dosing supports adherence in outpatient settings. The company focuses on U.S. and Canadian markets, with clinician-led programs enhancing prescription rates.

Because of its unique mechanism, Orexigen appeals to patients unresponsive to hormonal therapies. Ongoing enhancements address gastrointestinal tolerability, broadening applicability.

Research Initiatives:

  • Current output: Over 500,000 prescriptions annually

  • Target: Integrate with digital coaching by 2026


3️⃣ 8. Sanofi S.A.

Headquarters: Paris, France
Key Offering: Investigational amylin analogs, Long-acting insulin combinations

Sanofi’s venture into long-acting weight loss builds on its diabetes expertise, developing multi-hormonal mimics for comprehensive metabolic control. Its pipeline targets weekly subcutaneous administration. Operating in Europe and Asia, Sanofi emphasizes regulatory compliance for global approvals.

The firm’s public-private collaborations accelerate clinical validation, particularly in diverse populations. This strategic alignment with health authorities underscores its commitment to evidence-based innovations.

Research Initiatives:

  • Indigenous development of Asia-specific formulations

  • Partnerships to scale production in emerging economies


2️⃣ 9. AstraZeneca plc

Headquarters: Cambridge, United Kingdom
Key Offering: AZD5004, Oral long-acting peptides

AstraZeneca is advancing oral long-acting options to overcome injection barriers, with its SGLT2/GLP-1 hybrids showing promise in phase II. Headquartered in the UK, the company supplies through integrated healthcare systems in Europe and the Middle East. Its focus on cardiorenal protection alongside weight loss enhances therapeutic value.

Furthermore, AstraZeneca’s investment in biomarker research personalizes treatments, improving outcomes. Challenges like bioavailability are being addressed through novel delivery tech.

Research Initiatives:

  • Aims for oral weekly dosing by late 2020s

  • Major expansion in clinical trial networks


1️⃣ 10. Amgen Inc.

Headquarters: Thousand Oaks, California, USA
Key Offering: MariTide (AMG 133), Monthly GIPR antagonists

Amgen leads with its investigational monthly injector, targeting GIP receptors for profound weight loss effects. Supporting over 1 million potential patients via U.S.-centric distribution, Amgen integrates biologics expertise for superior pharmacokinetics. Its pipeline emphasizes durability beyond 12 months.

Strategic alliances with academic centers drive R&D, focusing on rare obesity syndromes. This positions Amgen as a frontrunner in precision medicine for weight disorders.

Research Initiatives:

  • End-to-end solutions for severe obesity

  • Partnerships with endocrinologists for rollout

Read Full Report: Long-acting Weight Loss Drugs Market – View in Detailed Research Report


🌍 Outlook: The Future of Long-acting Weight Loss Drugs Is Innovative and Accessible

The long-acting weight loss drugs market is experiencing transformative momentum. Although injectables currently lead, the sector is channeling substantial resources into oral alternatives, combination regimens, and AI-driven personalization to enhance efficacy and patient experience.

Because obesity’s global burden continues to rise, with over 1 billion affected individuals, these innovations promise broader accessibility. However, equitable distribution remains key, especially in low-resource settings where lifestyle interventions alone fall short.

📈 Key Trends Shaping the Market:

  • Accelerated FDA and EMA approvals for GLP-1 extensions

  • Mandates for insurance coverage of long-term therapies

  • Integration of wearables for therapy monitoring

  • Pharma alliances targeting pediatric and geriatric segments

Market Trends Affecting Long-acting Weight Loss Drugs

  • Consolidation among biopharma giants (Novo Nordisk, Eli Lilly) — streamlines R&D but demands vigilance on intellectual property and supply chain vulnerabilities. Recent mergers are redefining competitive dynamics.

  • Shift to multi-agonist therapies — developers are prioritizing dual and triple hormone mimics to boost weight loss efficacy while minimizing side effects, as seen in tirzepatide’s success.

  • Digital therapeutics integration — apps for adherence and behavioral coaching (e.g., Noom partnerships) are becoming standard, aiding multi-site clinical management.

  • Oral and non-injectable innovations — peptide protection tech reduces gastrointestinal footprints, favored for patient preference; AstraZeneca leads here.

  • Personalized medicine via genomics — pharmacogenomics tailors dosing, cutting labor in high-volume clinics; Amgen’s biomarker approach exemplifies this.

Read Full Report: Long-acting Weight Loss Drugs Market – View in Detailed Research Report
 

The companies highlighted are not only transforming weight management—they’re pioneering a healthier global future through sustained innovation.

To delve deeper into market dynamics, segmentation by type (Orlistat, Semaglutide, Liraglutide, Others) and application (Hospitals, Clinics, Others), along with regional insights from North America to the Middle East and Africa, the full report offers invaluable data. With a CAGR of 6.4%, driven by North America’s 5.49% growth from USD 1.22 Billion in 2023, stakeholders can anticipate robust opportunities. Key drivers include rising diabetes prevalence and policy support for anti-obesity measures, while challenges like high costs and side effects necessitate strategic navigation.

Furthermore, the competitive landscape reveals Novo Nordisk’s commanding share, bolstered by Wegovy’s blockbuster status. Eli Lilly’s tirzepatide challenges this dominance, with projections indicating a duopoly influencing pricing and access. Emerging players like Vivus and Orexigen focus on niche oral segments, complementing the injectable surge. Geographic expansion into Asia-Pacific, with India’s burgeoning middle class, underscores untapped potential amid cultural shifts toward wellness.

In terms of value chain, upstream R&D in peptide synthesis meets midstream manufacturing hurdles, resolved through scale-up investments. Downstream, distribution via specialty pharmacies ensures cold-chain integrity for biologics. Porter’s analysis highlights high barriers from patents but moderate buyer power via generics post-exclusivity. Opportunities in telemedicine post-pandemic amplify reach, while restraints like reimbursement debates temper enthusiasm.

Looking ahead, the report’s chapter breakdown—from executive summaries to regional forecasts—equips investors with tools for SWOT-informed decisions. For instance, semaglutide’s dominance in type segmentation contrasts with clinic applications leading in end-use, reflecting outpatient trends. This comprehensive view, backed by quantitative projections to 2032, positions readers to capitalize on a market poised for exponential growth.