Last Updated: May 11, 2026

CLINICAL TRIALS PROFILE FOR OLMESARTAN MEDOXOMIL


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All Clinical Trials for OLMESARTAN MEDOXOMIL

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00134160 ↗ OlmeSartan and Calcium Antagonists Randomized (OSCAR) Study Completed Japan Heart Foundation Phase 4 2005-08-01 The purpose of this study is to investigate whether high-dose angiotensin II receptor blocker (ARB) monotherapy or combination therapy with ARB and calcium channel blockers is more effective in reducing the incidence of cardiovascular events in Japanese elderly high-risk hypertensive patients not adequately controlled by standard dose ARB alone.
NCT00134160 ↗ OlmeSartan and Calcium Antagonists Randomized (OSCAR) Study Completed OSCAR Study Phase 4 2005-08-01 The purpose of this study is to investigate whether high-dose angiotensin II receptor blocker (ARB) monotherapy or combination therapy with ARB and calcium channel blockers is more effective in reducing the incidence of cardiovascular events in Japanese elderly high-risk hypertensive patients not adequately controlled by standard dose ARB alone.
NCT00139698 ↗ Olmesartan Alone or in Combination With Hydrochlorothiazide in Subjects With Mild to Moderate Essential Hypertension Completed Pfizer Phase 3 2005-09-01 Efficacy, tolerability and safety of olmesartan alone or in combination with hydrochlorothiazide in the treatment of mild to moderate essential hypertension
NCT00141453 ↗ ORIENT: Olmesartan Reducing Incidence of End Stage Renal Disease in Diabetic Nephropathy Trial Completed Daiichi Sankyo Co., Ltd. Phase 3 2003-04-01 The purpose of the study is to evaluate the effectiveness and safety of olmesartan versus placebo on the progression of diabetic renal disease.
NCT00151775 ↗ Assessment of Efficacy and Safety of Olmesartan Medoxomil in Children and Adolescent Patients With High Blood Pressure Completed Daiichi Sankyo Inc. Phase 2/Phase 3 2005-05-01 This study assesses the efficacy and safety of olmesartan medoxomil in children ages 1-16 with high blood pressure. After a 5-week blinded treatment period of up to 5 weeks participants can continue to take olmesartan medoxomil (OM) for up to an additional 46 weeks.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for OLMESARTAN MEDOXOMIL

Condition Name

Condition Name for OLMESARTAN MEDOXOMIL
Intervention Trials
Hypertension 31
Essential Hypertension 23
Healthy 6
Healthy Subjects 4
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Condition MeSH

Condition MeSH for OLMESARTAN MEDOXOMIL
Intervention Trials
Hypertension 54
Essential Hypertension 27
Kidney Diseases 5
Diabetes Mellitus, Type 2 4
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Clinical Trial Locations for OLMESARTAN MEDOXOMIL

Trials by Country

Trials by Country for OLMESARTAN MEDOXOMIL
Location Trials
United States 367
Germany 29
Netherlands 13
Mexico 11
Poland 9
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Trials by US State

Trials by US State for OLMESARTAN MEDOXOMIL
Location Trials
California 17
Florida 16
Texas 15
Ohio 15
North Carolina 15
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Clinical Trial Progress for OLMESARTAN MEDOXOMIL

Clinical Trial Phase

Clinical Trial Phase for OLMESARTAN MEDOXOMIL
Clinical Trial Phase Trials
Phase 4 24
Phase 3 37
Phase 2/Phase 3 1
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Clinical Trial Status

Clinical Trial Status for OLMESARTAN MEDOXOMIL
Clinical Trial Phase Trials
Completed 67
Unknown status 7
Terminated 3
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Clinical Trial Sponsors for OLMESARTAN MEDOXOMIL

Sponsor Name

Sponsor Name for OLMESARTAN MEDOXOMIL
Sponsor Trials
Daiichi Sankyo Inc. 23
Daiichi Sankyo, Inc. 23
Daiichi Sankyo Europe, GmbH 9
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Sponsor Type

Sponsor Type for OLMESARTAN MEDOXOMIL
Sponsor Trials
Industry 111
Other 16
NIH 1
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Olmesartan Medoxomil: Clinical Trials Update and Market Projection

Last updated: April 27, 2026

Where does olmesartan medoxomil sit in the clinical pipeline?

Olmesartan medoxomil is an established angiotensin II receptor blocker (ARB). The current public clinical trial footprint is dominated by label-consistent studies (comparative efficacy/tolerability, formulation, adherence, and real-world evidence) rather than large, late-stage disease-defining programs typical of new chemical entities.

Operational read-through from trial registrations (2023-2026 visibility window):

  • Trial activity is concentrated in comparative studies versus other ARBs, antihypertensives, or drug classes, and in adherence or switching studies.
  • Most studies focus on hypertension endpoints (blood pressure control and safety), with limited expansion into novel indications.
  • There is no consistent signal of a late-stage (Phase 3) new-indication program that would materially shift market structure relative to generic-led competition in the near term.

What is the trial update most likely to mean for development value?

Because olmesartan medoxomil is off-patent across major markets and is widely genericized, incremental clinical activity tends to support:

  • Product lifecycle management (formulation, dosing regimens, fixed-dose combinations).
  • Evidence generation for payer and guideline alignment in hypertension subpopulations.
  • Switching and adherence programs to retain share against other ARBs and combination products.

Net effect: clinical updates are commercially meaningful for manufacturers with branded or differentiated offerings, but they typically do not re-rate the asset category-level risk in the way a new Phase 3 readout would.


How does the market behave for olmesartan medoxomil in a generic-led landscape?

Price and share dynamics

Olmesartan medoxomil competes inside a mature ARB class where:

  • Market volume is supported by chronic hypertension prevalence and long persistence.
  • Pricing pressure is persistent due to generic substitution.
  • Prescribers often maintain therapy but switch within class based on tolerability, patient response, and formulary design.

Competitive set

For practical market analysis, olmesartan primarily competes with:

  • Other ARBs: losartan, valsartan, telmisartan, irbesartan.
  • Fixed-dose combinations that can displace monotherapy: ARB plus thiazide (for example HCTZ or chlorthalidone) or ARB plus calcium channel blockers.
  • In some geographies, competing first-line affordability impacts can shift mix.

What matters for market projection

Market projection for an ARB like olmesartan typically tracks three drivers:

  1. Total treated hypertension patients (or treated BP control target attainment pressure).
  2. Formulary and step-therapy policies (which shift mix toward specific ARBs and combinations).
  3. Generic penetration rate and relative price positioning (which determine revenue capture per patient).

What is the projected market outlook for olmesartan medoxomil?

Base-case projection logic

Given genericization, the near-term market outlook for olmesartan medoxomil is best modeled as:

  • Stable-to-slight volume growth from ongoing treated prevalence and therapy persistence.
  • Declining or flat unit revenue driven by generic price competition and periodic quota-driven tendering.
  • Mix improvement where differentiators exist: fixed-dose combinations, improved tolerability narratives, or region-specific formulary wins.

Directional projection (next 3-5 years)

  • 2024-2026: Flat to modest growth in demand; revenue growth lags due to pricing.
  • 2027-2029: Continued erosion in brand-like revenue streams; growth concentrates in volume and combination formulations rather than standalone tablets.

Scenario summary

Scenario Volume trend Price trend Revenue implication
Base case Flat to modest growth Down or flat Revenue mostly flat with slight decline risk
Upside Modest growth with combination tilt Less price erosion than peers Revenue stabilizes; low growth
Downside Volume declines from formulary switches Faster price erosion Revenue declines faster than volume

Where are the highest commercial levers for manufacturers?

1) Combination strategy

ARBs are increasingly used in combination therapy. Commercial upside is usually tied to:

  • ARB plus thiazide-type diuretics (BP control improvement and guideline alignment).
  • ARB plus calcium channel blockers for patients not at target on monotherapy.

2) Formulary positioning

Olmesartan’s share can shift materially with:

  • Hospital formularies and insurer preferred drug lists.
  • Automatic substitution rules for ARBs where multiple generics exist.
  • Tender cycles that create short-lived procurement spikes and troughs.

3) Pharmacovigilance and labeling alignment

Olmesartan has class and molecule-specific safety considerations that can influence retention:

  • Continued emphasis in labeling and clinician education around GI adverse events (notably sprue-like enteropathy in the olmesartan history) can affect prescribing behavior and patient persistence.

Key clinical evidence themes that continue to drive prescribing

Even without a new late-stage breakthrough, olmesartan’s prescribing persistence is supported by:

  • Consistent BP reduction in hypertension across patient groups.
  • ARB tolerability profile versus ACE inhibitors (cough/angioedema avoidance).
  • Long-established dosing familiarity and guideline inclusion for hypertension.

Investment and R&D positioning: what should be capitalized vs deprioritized?

If you are underwriting an R&D program

For olmesartan specifically, new monotherapy Phase 3 work is structurally hard to justify economically in most jurisdictions due to generic saturation. The practical R&D value sits in:

  • Differentiated formulations or fixed-dose combinations.
  • Evidence generation for adherence and switching programs that drive payer and prescriber behavior.
  • Region-specific lifecycle strategies tied to tender cycles.

If you are underwriting manufacturing or distribution

Focus shifts to:

  • Forecasting tender timing and procurement volumes.
  • Managing supply chain costs tied to API and intermediate sourcing.
  • Building portfolio alignment with combination products that maintain prescription share as monotherapy prices compress.

Key Takeaways

  • Olmesartan medoxomil is a mature, genericized ARB; current clinical trial activity is largely incremental and does not signal a near-term category re-rating from a new late-stage indication.
  • Market outlook is stable-to-modestly growing on volume but pressured on unit revenue due to generic competition and formulary switching dynamics.
  • The most actionable commercial levers are combination formulations, formulary positioning, and lifecycle evidence tied to persistence and tolerability narratives.
  • Projection framework: base case is flat to slight revenue decline with volume stability or modest growth; upside depends on combination mix and tender resilience.

FAQs

1) Is there a new Phase 3 breakthrough for olmesartan medoxomil driving near-term market upside?

No clear public signal indicates a major late-stage new-indication breakthrough that would materially change market structure in the next projection window.

2) What types of clinical trials are still most common for olmesartan medoxomil?

Comparative effectiveness/tolerability, adherence and switching studies, and formulation or pharmacokinetic support, largely in hypertension-aligned indications.

3) What drives share within the ARB class for olmesartan?

Formulary preferences, step-therapy rules, combination product mix, and relative price positioning during tender and reimbursement cycles.

4) Why does revenue often lag volume for olmesartan?

Generic substitution and price compression reduce revenue per treated patient even if treated prevalence stays stable.

5) What commercial strategy best offsets generic price erosion?

Expanding into fixed-dose combinations and maintaining preferred formulary status via evidence generation tied to persistence and tolerability.


References

[1] FDA. Olmesartan Medoxomil prescribing information (label). U.S. Food and Drug Administration.
[2] EMA. Olmesartan medoxomil: Product information and EPAR documents. European Medicines Agency.
[3] ClinicalTrials.gov. Search results for “olmesartan medoxomil” and trial records (status updates and study characteristics). U.S. National Library of Medicine.
[4] WHO. Hypertension fact sheets and epidemiology references supporting treated prevalence context. World Health Organization.

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