Last Updated: May 25, 2026

CLINICAL TRIALS PROFILE FOR NIASPAN


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All Clinical Trials for Niaspan

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00046267 ↗ Niacin for Treatment of Elevated Cholesterol and Triglycerides in HIV-Infected Patients Completed National Institute of Allergy and Infectious Diseases (NIAID) N/A 1969-12-31 The purpose of this study is to evaluate the safety, efficacy, and tolerability of extended-release niacin (Niaspan) in improving the level of fats in the blood of HIV-infected patients.
NCT00062556 ↗ Effect of Niacin ER/Lovastatin on Peak Walking Time & Claudication Onset Time in Patients With Intermittent Claudication Completed Kos Pharmaceuticals Phase 3 2003-01-01 The purpose of this study is to evaluate if Niacin ER/Lovastatin, at two different doses, compared to diet control (this group will receive a tablet containing 50 mg. of immediate-release niacin) is a safe and effective medicine in subjects with leg pain caused by a narrowing of their leg arteries, a condition called intermittent claudication. At least 366 subjects with leg pain caused by a narrowing of their leg arteries will participate in this study. Niacin ER/Lovastatin is a combination of two FDA (United States Food and Drug Administration) approved cholesterol modifying medications: Niaspan® (extended-release niacin) and lovastatin, a statin (the same medicine found in Mevacor®). Niacin ER/Lovastatin was approved by the FDA under the name of Advicor® for use in the treatment of elevated cholesterol. The use of Niacin ER/Lovastatin in the treatment of peripheral arterial disease and symptomatic relief of intermittent claudication is considered investigational. An investigational use is one that is not approved by the FDA.
NCT00071266 ↗ The Dose Response of Niacin ER/Lovastatin on Peak Walking Time (PWT) in Patients With Intermittent Claudication - TROPIC Completed Kos Pharmaceuticals Phase 3 2003-10-01 The purpose of this study is to compare the dose response and safety of Niacin ER/Lovastatin, Niaspan® and Lovastatin with each other, in subjects with leg pain caused by a narrowing of their leg arteries. At least 870 subjects, with leg pain caused by a narrowing of their leg arteries will take part in this study. Both Niaspan and lovastatin (Mevacor®) are approved by the United States Food and Drug Administration (FDA) to treat high cholesterol. Niacin ER/Lovastatin (Advicor®), a combination of these two drugs, is also approved by the FDA to treat high cholesterol. The use of Niacin ER/Lovastatin to treat narrowing of leg arteries and relieve "intermittent claudication" (leg pain caused by narrowing of the arteries in the leg) is considered investigational. An investigational use is one that is not approved by the FDA.
NCT00079638 ↗ Comparative Efficacy Evaluation of Lipids When Treated With Niaspan & Statin or Other Lipid-Modifying Therapies-COMPELL Completed Kos Pharmaceuticals Phase 4 2004-04-01 The purpose of this study is to evaluate the effectiveness of first-line treatment using Niaspan (an extended release version of niacin) and statins versus other drugs that lower lipid levels, in subjects with elevated fat levels in their blood (dyslipidemia). Statins are a class of medication that is often prescribed to patients who need to lower their cholesterol levels.
NCT00108485 ↗ Study of the Use of Niaspan for Treatment of Dyslipidemia in Diabetic Nephropathy Terminated University of Miami Phase 3 2005-04-01 The primary purpose of this study is to test the effectiveness and tolerability of Niaspan® to improve the levels of blood fats ("good" and "bad" cholesterol and triglyceride levels) in people who have kidney damage due to diabetes. A secondary goal is to test whether Niaspan® slows down further development of kidney damage.
NCT00120289 ↗ Niacin Plus Statin to Prevent Vascular Events Terminated Abbott Phase 3 2005-09-01 The purpose of this study is to determine whether raising "good cholesterol" with a drug based on the vitamin niacin, while lowering "bad cholesterol" with a statin drug, can prevent more heart disease than the statin alone.
NCT00120289 ↗ Niacin Plus Statin to Prevent Vascular Events Terminated National Heart, Lung, and Blood Institute (NHLBI) Phase 3 2005-09-01 The purpose of this study is to determine whether raising "good cholesterol" with a drug based on the vitamin niacin, while lowering "bad cholesterol" with a statin drug, can prevent more heart disease than the statin alone.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Niaspan

Condition Name

Condition Name for Niaspan
Intervention Trials
Dyslipidemia 9
Atherosclerosis 7
Coronary Artery Disease 4
Hypercholesterolemia 4
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Condition MeSH

Condition MeSH for Niaspan
Intervention Trials
Dyslipidemias 11
Coronary Artery Disease 8
Atherosclerosis 8
Myocardial Ischemia 7
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Clinical Trial Locations for Niaspan

Trials by Country

Trials by Country for Niaspan
Location Trials
United States 127
Canada 16
United Kingdom 2
France 2
Colombia 1
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Trials by US State

Trials by US State for Niaspan
Location Trials
Pennsylvania 11
California 9
Texas 7
Florida 7
North Carolina 6
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Clinical Trial Progress for Niaspan

Clinical Trial Phase

Clinical Trial Phase for Niaspan
Clinical Trial Phase Trials
Phase 4 10
Phase 3 10
Phase 2 6
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Clinical Trial Status

Clinical Trial Status for Niaspan
Clinical Trial Phase Trials
Completed 38
Unknown status 4
Terminated 3
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Clinical Trial Sponsors for Niaspan

Sponsor Name

Sponsor Name for Niaspan
Sponsor Trials
Merck Sharp & Dohme Corp. 8
Abbott 7
University of Pennsylvania 6
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Sponsor Type

Sponsor Type for Niaspan
Sponsor Trials
Other 35
Industry 34
NIH 10
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Niaspan (niacin, extended-release): Clinical Trial Update and Market Projection

Last updated: May 1, 2026

What is Niaspan and what clinical program remains active?

Niaspan is an extended-release formulation of niacin (nicotinic acid) marketed by AbbVie for dyslipidemia indications. As a branded product in the US, Niaspan is not associated with a currently visible, active late-stage global development program in public registries based on widely indexed trial databases and company-facing disclosure patterns through the available record set.

Current clinical trial footprint

  • No ongoing Phase 3/Phase 2 registration-grade late-stage program tied to Niaspan is evidenced in standard public trial registries during the commonly indexed recent window (latest filings and record status).
  • The historical development base for niacin extended-release is mature, with most widely cited evidence from earlier randomized outcomes programs and label-driven studies.
  • Any ongoing activity is more likely to be small, label-maintenance, formulation/PK, or observational rather than new pivotal efficacy programs, and these do not typically move the earnings case for a branded lipid therapy in the way late-stage trials do.

Implication for pipeline visibility

  • For a business or investment thesis, Niaspan’s near-term value is driven less by incremental trial outcomes and more by: generic erosion dynamics, payer adoption of non-niacin alternatives, formulary access, and competitive positioning versus PCSK9 inhibitors, ezetimibe, bile acid sequestrants, and newer lipid agents.

How does the evidence base position Niaspan versus modern lipid standards?

Niaspan’s clinical profile has historically emphasized lipid modifications:

  • Raises HDL cholesterol.
  • Lowers triglycerides.
  • Lowers LDL cholesterol to a lesser extent than high-efficacy modern agents.
  • Has a known tolerability issue from niacin’s flushing mechanism; extended-release reduces but does not eliminate tolerability constraints.

Why that matters for current use

  • Modern guidelines and payer criteria increasingly favor therapies with large, demonstrated cardiovascular risk reduction using endpoints and safety profiles that are more favorable and easier to administer than niacin regimens.
  • In practice, niacin extended-release use has been constrained by:
    • Safety and tolerability relative to alternatives.
    • Clinical priority shift toward statins first-line and add-on agents with stronger event-reduction data.
    • Economic pressure and the availability of generics in the lipid class.

Where does Niaspan sit in the competitive landscape?

Niaspan competes primarily in patients who need improvements in triglycerides and mixed dyslipidemia, but modern treatment pathways often route patients away from niacin because of event outcome evidence, tolerability, and formulary preferences.

Key competitive set by mechanism and common payer decisions

  • PCSK9 inhibitors (high cost but strong risk-reduction evidence; typically managed by prior authorization).
  • Ezetimibe (generic options available; add-on to statins).
  • Bempedoic acid and newer oral lipid drugs (selected adoption based on phenotype and risk).
  • Fibrates and triglyceride-targeted therapies (generic access).
  • Omega-3 products (cardiovascular formulation-specific uptake; payer protocols vary).
  • Statins as the anchor therapy (generic across multiple molecules).

Market reality

  • Brand-constrained niacin products compete against both clinical pathway displacement and pricing displacement from generics and newer branded entrants.

What is the market analysis for Niaspan now?

Niaspan’s market is shaped by:

  • Generic pressure on niacin formulations and competing lipid drug classes.
  • Guideline-driven substitution away from niacin in many routine settings.
  • Formulary tightening as payers emphasize low net cost and agents with robust outcome evidence.
  • Patient adherence issues driven by flushing and dosing experience, even with extended-release.

Commercial dynamics that typically govern niacin extended-release

  • Coverage tends to tighten unless there is a specific triglyceride-focused niche or patient intolerance to alternatives.
  • Uptake is more likely in secondary hypertriglyceridemia or mixed dyslipidemia contexts where prescribers still consider niacin in practice.
  • Net sales trends in this category often show multi-year decline or flat growth with downward risk as formularies rationalize lipid therapy choices.

What matters most for revenue

  • Whether Niaspan maintains any protected access in formularies versus generic niacin equivalents.
  • Whether payer contracts favor one extended-release niacin product over another.
  • Whether market access can offset the share shift caused by broader lipid therapy adoption.

What is the projection for Niaspan sales through the next 5 years?

A precise sales forecast requires current-year sales, channel mix, and explicit evidence of remaining exclusivity and competitor share. That data is not present in the provided prompt, and producing a numeric forecast without those inputs would not meet the standard for an investment-grade projection.

What can be stated deterministically from market structure

  • The niacin extended-release branded model has structural headwinds: guideline displacement, generic competition, and tolerability-related adherence constraints.
  • Therefore, the baseline projection direction for Niaspan is continued erosion or stagnation, with upside dependent on narrow niche retention and stable payer access.

Actionable projection framework (non-numeric)

  • Base case: low-to-mid single digit annual declines or flat-to-declining volume as generic and newer therapies keep taking share.
  • Downside case: accelerated price pressure from payer formulary changes and increased switching among prescribers to generic alternatives and other add-ons.
  • Upside case: niche-led retention in triglyceride-focused subpopulations where prescribers value niacin’s triglyceride effect and extended-release tolerability, plus stable contracting.

What are the key business implications for R&D and licensing?

Even without an active late-stage program, there are still clear implications for any development or acquisition strategy involving niacin extended-release:

1) If you are evaluating commercialization of a niacin successor

  • Differentiation must target:
    • Tolerability (flushing reduction, better compliance).
    • Convenience (once-daily or improved titration).
    • Drug interaction profile and hepatic safety monitoring simplification.
  • Market entry economics hinge on payer willingness to cover a niche triglyceride product versus generic niacin and fibrates.

2) If you are considering licensing Niaspan-like assets

  • Value will correlate with:
    • Residual exclusivity and IP landscape strength (formulation, method-of-use, or specific clinical evidence).
    • Evidence that formulary positions can persist despite generic availability.
  • Without an active pivotal program, deal terms typically reflect commercial maturity and competitive displacement risk.

3) If you are deciding on internal R&D

  • Near-term clinical value would come from studies that can shift clinical behavior (for example, tolerability improvements that enable routine use), not just lipid lab endpoints.
  • A development strategy that can win formulary adoption in a cost-sensitive environment is a higher bar than one that only improves biochemical markers.

Key Takeaways

  • Clinical trials: Niaspan is not associated with a visible current late-stage pivotal trial program in the widely indexed public record; near-term value is not driven by new efficacy readouts.
  • Market position: Niaspan faces ongoing structural headwinds from generic competition, tolerability constraints, and guideline/payer pathway displacement toward other lipid therapies.
  • Projection direction: The most defensible projection is continued flat-to-declining performance over the next 5 years, with outcomes primarily driven by formulary access and niche retention rather than trial-based growth.
  • Business focus: Any strategy centered on niacin extended-release must prioritize tolerability and payer adoption mechanics to overcome displacement from modern lipid standards.

FAQs

1) Is Niaspan currently in late-stage clinical development?

No publicly visible late-stage pivotal development program is evident in the indexed record for Niaspan in the current period.

2) What drives demand for Niaspan today?

Demand is driven by niche clinician preference for niacin extended-release in mixed dyslipidemia or triglyceride-focused settings where tolerability is acceptable and formulary access remains available.

3) Why does Niaspan face weak growth prospects?

Guideline and payer pathway shifts favor statins first-line and add-ons with stronger event-reduction evidence and simpler tolerability, while generic and competing therapies pressure share and pricing.

4) What competitive threats matter most?

Generic lipid therapies and modern branded agents that secure formulary access through outcome evidence and payer-managed criteria.

5) What would change Niaspan’s sales outlook materially?

A meaningful tolerability or regimen improvement that increases adherence and payer coverage, or a label and evidence update that repositions clinical utility in a way that supports formulary inclusion.


References

[1] FDA label information for Niaspan (niacin extended-release). U.S. Food and Drug Administration.
[2] ClinicalTrials.gov records for niacin extended-release / Niaspan-related studies. U.S. National Library of Medicine.
[3] Major lipid guideline publications and payer-relevant clinical practice trends (statin-first pathways, add-on therapy criteria). Guideline bodies and consensus organizations.

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