Last Updated: August 24, 2026

CLINICAL TRIALS PROFILE FOR BROMOCRIPTINE MESYLATE


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All Clinical Trials for bromocriptine mesylate

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00377676 ↗ Safety and Tolerability Study of Cycloset in Treatment of Type 2 Diabetes Completed VeroScience Phase 3 2004-07-01 Cycloset, a new quick-release oral formulation of bromocriptine mesylate, effectively reduces blood sugar by the proposed mechanism of reversing many of the metabolic alterations associated with insulin resistance and obesity by resetting central (hypothalamic) circadian organization of monoamine neuronal activities. The primary analysis of this study will test the hypothesis that the rate of all-cause severe adverse events for those receiving usual drug therapy for diabetes management plus Cycloset is not greater than that for usual drug therapy plus placebo by more than an acceptable margin. While the primary purpose of this study is to establish the safety profile of Cycloset in type 2 diabetes, any potential positive cardiovascular benefits will be evaluated as well.
NCT00441363 ↗ Efficacy and Safety of Cycloset® Compared With Placebo When Added to Metformin Terminated VeroScience Phase 3 2005-02-01 The purpose of this study is to investigate the efficacy and safety of Cycloset® and placebo when added to metformin monotherapy (at least 1000 mg/day for 3 months prior to screening) in persons with type 2 diabetes mellitus who are not adequately controlled on metformin therapy alone.
NCT00649168 ↗ Fed Study of (Parlodel®) Bromocriptine Mesylate Capsules 5 mg Completed Mylan Pharmaceuticals Phase 1 2007-04-01 The objective of this study was to assess the single-dose relative bioavailability of Mylan Pharmaceuticals Inc. and Novartis Pharmaceuticals Corporation (Parlodel®) 5 mg bromocriptine mesylate capsules, following the administration of a 10 mg dose, under fed conditions.
NCT00650520 ↗ Fed Study of (Parlodel®) 2.5 mg Bromocriptine Mesylate Tablets Completed Mylan Pharmaceuticals Phase 1 2007-05-01 The objective of this study is to assess the single-dose relative bioavailability of Mylan Pharmaceuticals Inc. and Novartis Pharmaceuticals Corporation (Parlodel®) 2.5 mg bromocriptine mesylate tablets, following the administration of a 10 mg dose, under fed conditions.
NCT02078440 ↗ Pharmacokinetic Study of CYCLOSET ® 0.8 mg Tablets in Children and Adolescent Type 2 Diabetes Mellitus Subjects Completed VeroScience Phase 1 2014-01-01 The objective of this study is to evaluate the relative bioavailability, and the rate and extent of absorption of bromocriptine in male and female children and adolescent Type 2 Diabetes Mellitus patients, aged 10 to less than 18, under fed conditions. It is undetermined if the pharmacokinetic profile of bromocriptine-QR in type 2 diabetes children aged 10- to less than 18 years differs appreciably from that in healthy adults. Bromocriptine is extensively metabolized by the liver (namely CYP3A4). Studies in children have demonstrated little difference in clearance among children over 10 years of age compared to adults (Blanco et al, 2000). However, differences in blood volumes or other factors may impart differences that could affect the pharmacokinetic properties of bromocriptine-QR. Therefore, this study will assess the pharmacokinetics in children aged 10-to less than 18 years who have type 2 diabetes. After describing the profile of bromocriptine-quick release in this patient population, a follow on study will be conducted to evaluate its safety and efficacy in treating children and adolescents who have type 2 diabetes. The pharmacokinetic profile of bromocriptine will be determined following the administration of a single, weight-adjusted dose of CYCLOSET (bromocriptine mesylate) tablets. The study will be a single period, bioavailability study in 30 patients. The study duration will be 3 days.
NCT03384524 ↗ Evaluation of Bromocriptine, Metoprolol and Tamsulosin in Eyes With Non-Central DME Withdrawn Case Western Reserve University Phase 1/Phase 2 2018-03-01 This phase I/II trial is designed to provide proof of concept evidence that combination therapy can have a beneficial effect on DME and possibly prevent increases in retinal volume or progression of non-central DME into the central subfield of the macula. If a beneficial effect is apparent in this phase I/II study involving a relatively small sample size and short follow-up period, its results could be used to in plan future phase III trials. We believe this study will be the first to show that a systems pharmacology approach can successfully address diabetic macular edema, and thus revolutionize the treatment of complex retinal diseases for which there are a paucity of effective treatment options.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for bromocriptine mesylate

Condition Name

Condition Name for bromocriptine mesylate
Intervention Trials
Healthy 2
Type 2 Diabetes 2
Diabetic Macular Edema 1
Hyperprolactinemia 1
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Condition MeSH

Condition MeSH for bromocriptine mesylate
Intervention Trials
Diabetes Mellitus, Type 2 3
Diabetes Mellitus 2
Macular Edema 1
Hyperprolactinemia 1
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Clinical Trial Locations for bromocriptine mesylate

Trials by Country

Trials by Country for bromocriptine mesylate
Location Trials
United States 5
Canada 2
China 1
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Trials by US State

Trials by US State for bromocriptine mesylate
Location Trials
Pennsylvania 1
Missouri 1
Florida 1
Connecticut 1
Arizona 1
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Clinical Trial Progress for bromocriptine mesylate

Clinical Trial Phase

Clinical Trial Phase for bromocriptine mesylate
Clinical Trial Phase Trials
PHASE3 1
Phase 3 2
Phase 1/Phase 2 1
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Clinical Trial Status

Clinical Trial Status for bromocriptine mesylate
Clinical Trial Phase Trials
Completed 4
RECRUITING 1
Terminated 1
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Clinical Trial Sponsors for bromocriptine mesylate

Sponsor Name

Sponsor Name for bromocriptine mesylate
Sponsor Trials
VeroScience 3
Mylan Pharmaceuticals 2
Case Western Reserve University 1
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Sponsor Type

Sponsor Type for bromocriptine mesylate
Sponsor Trials
Industry 6
Other 2
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Bromocriptine Mesylate Clinical Trials Update, Market Analysis and Future Revenue Projection

Last updated: July 29, 2026

Bromocriptine mesylate remains a mature, off-patent dopamine agonist with limited near-term clinical development intensity by comparison with newer agents in prolactin-related indications. Market growth is most exposed to geography-specific pricing, generic penetration, and the durability of revenue pools tied to chronic hyperprolactinemia, Parkinson’s disease, and approved lactation-suppression use cases. A revenue trajectory for the overall bromocriptine mesylate market is therefore driven less by new clinical entrants and more by sustained demand elasticity, payor policy, and competition from branded dopamine agonists and generics in each territory.

What clinical trials are currently underway for bromocriptine mesylate?

No current, publicly indexed late-stage (Phase 3) bromocriptine mesylate trials are evident from broadly accessible registries at the level needed to update an investable pipeline view. For business planning, the operational interpretation is that bromocriptine mesylate is not the focus of new, high-cost global clinical programs; instead, trial activity is concentrated in older studies, academic use cases, or small mechanistic work that does not typically shift market structure.

Which indications still see trial activity for bromocriptine mesylate?

Across historical trial landscapes, bromocriptine mesylate has been studied and used in:

  • Hyperprolactinemia and prolactin-secreting pituitary adenomas
  • Parkinson’s disease (monotherapy and adjunct)
  • Lactation suppression and postpartum related indications (label-dependent by geography)
  • Other dopamine-responsive disorders (study-dependent)

What does the absence of late-stage trials imply for market direction?

For revenue projection, that pattern implies:

  • Lower likelihood of label expansion based on new Phase 3 data
  • Limited probabilistic uplift from new product differentiation
  • Greater reliance on ongoing supply stability, price defense, and product lifecycle management within existing labeled uses

How big is the bromocriptine mesylate market and what growth drivers matter most?

Bromocriptine mesylate is a generic-dominated market in most developed jurisdictions, so “market size” is best handled as demand for the active ingredient across labeled uses, net of payer discounts, and measured across formulations (tablets/capsules) and geography.

Key demand drivers

  1. Chronic hyperprolactinemia management
    • Sustained prescribing for persistent elevated prolactin, including in patients not stabilized on alternatives.
  2. Parkinson’s disease share within dopamine agonist classes
    • Bromocriptine is frequently priced as a cost-effective option relative to newer dopamine agonists, supporting utilization where formularies prioritize generics.
  3. Postpartum lactation suppression
    • Use patterns vary by guideline and country-specific practice.

Competitive forces shaping pricing

  • Generic entry and multi-source competition compress pricing after primary branded lifecycle.
  • Longer-term competitive substitution from newer dopamine agonists can reduce share in Parkinson’s disease and some prolactin use cases.
  • Pharmacy switching and tender-driven supply can create regional volatility even when absolute demand is stable.

What is the current competitive landscape for bromocriptine mesylate in the US, EU, and key emerging markets?

Bromocriptine mesylate competes as a small-molecule, oral dopamine agonist across generics and legacy branded products depending on jurisdiction.

Competitive landscape, structurally

  • US: Multi-source generic environment is typical for older dopamine agonists. Bromocriptine’s competitive posture is mainly cost-driven.
  • EU: Generics dominate most countries; market access is influenced by national reimbursement lists.
  • Emerging markets: Generics also dominate, but availability and manufacturing capacity often shape “effective” market share.

What replaces bromocriptine in practice?

Substitution risk is strongest where formularies prefer:

  • Newer dopamine agonists for Parkinson’s disease tolerability or dosing convenience
  • More targeted prolactin management strategies where available In hyperprolactinemia, bromocriptine generally retains relevance because it effectively suppresses prolactin via dopamine D2 receptor agonism, but uptake depends on patient tolerance and prescriber patterns.

When does bromocriptine mesylate lose exclusivity by jurisdiction, and how does that affect market supply?

Bromocriptine mesylate is a legacy compound; exclusivity is already past in most major markets. Practical consequences for projections:

  • Supply is effectively unconstrained after generic lifecycle completion.
  • Price erosion occurs in waves tied to local regulatory approvals, tendering, and manufacturing capacity expansions.
  • Near-term revenue growth, if any, depends more on demand expansion and payer behavior than on IP-protected differentiation.

What patents protect bromocriptine mesylate today? How strong is the patent estate?

For bromocriptine mesylate itself, the active ingredient and core therapeutic positioning are historically associated with early-generation drug patents that are now expired or close to expiry globally. In most markets, the relevant remaining IP (if any) tends to be:

  • Minor formulation/process improvements
  • Specific salt forms or manufacturing method variants
  • Narrow, jurisdiction-specific additions

From a market impact lens, this structure usually does not prevent generic competition at the product level.

How does remaining patenting translate into launch barriers?

  • If any late-expiring patents exist, they typically do not block immediate generics unless they cover a specific marketed dosage form or process.
  • In mature generics markets, litigation threats are less common than in contemporary new-drug estates.

What is the Orange Book status of bromocriptine mesylate and what does it mean for generic entry risk?

Bromocriptine mesylate is widely marketed as generic product in the US. In such a scenario, Orange Book entries that might exist generally reflect expired or soon-to-expire drug product patents and may include listed method-of-use or formulation patents tied to specific NDCs.

From a generic entry risk viewpoint:

  • The baseline risk for new generic launches is mainly administrative and supply-chain related, not patent driven.
  • Any Paragraph IV strategy is less common for an already widely genericized molecule unless a specific formulation or method-of-use patent is still listed for a particular branded or reference product NDC.

What FDA regulatory pathway governs bromocriptine mesylate generics, and what milestones affect availability?

Generic versions of bromocriptine mesylate are typically approved via abbreviated pathways (ANDA) where applicable. Market availability depends on:

  • ANDA approval timing
  • Facility readiness and ongoing cGMP compliance
  • Labeling alignment and bioequivalence acceptance
  • Supply continuity and product discontinuation risk

What milestones most affect commercial continuity?

  • ANDA approvals and their launch commitments
  • Product discontinuations and re-entries
  • Shortages or API supply variability

How does bromocriptine mesylate compare with cabergoline, pramipexole, ropinirole, and other dopamine agonists?

Bromocriptine competes across dopamine agonist class lines. The key differences that influence prescribing include:

  • Tolerability profile (nausea, orthostatic hypotension, impulse control effects depending on agent)
  • Dosing frequency and titration convenience
  • Formulary placement driven by gross-to-net economics

Hyperprolactinemia: bromocriptine vs cabergoline

  • Cabergoline is often favored where tolerability and dosing convenience reduce discontinuation.
  • Bromocriptine can retain usage where cost minimization matters or where clinicians have long-established protocols.

Parkinson’s disease: bromocriptine vs pramipexole and ropinirole

  • Newer dopamine agonists frequently carry stronger prescriber comfort, but generic pricing of older agents sustains usage in value-focused formularies.
  • Shifts in real-world preference occur when payors steer to lower net-cost options.

What market projection is most realistic for bromocriptine mesylate through 2030?

A realistic projection model for bromocriptine mesylate must assume:

  • IP-driven growth is not a primary driver
  • Growth is limited by mature demand and price pressure
  • Volume growth is modest and tied to stable indications and patient retention

Revenue projection logic for a mature generic active

Given the mature status, a baseline projection typically follows one of these patterns depending on region mix:

  • Flat to low single-digit CAGR globally if volume offsets pricing decline
  • Mild decline where price erosion outpaces stable volumes
  • Volatility driven by supply disruptions, tender cycles, and localized discontinuations

Base-case outlook (global, mature-generic model)

  • Likely range: flat to low single-digit growth through 2030 in nominal terms, with higher nominal exposure where reimbursement is less aggressive or where tender cycles are less frequent.
  • In consolidated markets with aggressive generics pricing, nominal revenue can decline even when units hold due to price deflation.

Upside and downside levers

Upside levers

  • Stabilization of pricing in key geographies through fewer supply players
  • Continued demand retention in chronic hyperprolactinemia and Parkinson’s disease patients Downside levers
  • Faster price erosion from additional generic entrants
  • Ongoing substitution to newer dopamine agonists via formulary design

What clinical trial and regulatory risks could change bromocriptine mesylate market share?

Even with limited late-stage trial activity, risks remain:

  • Label changes and safety updates that alter clinical practice (agent-class related)
  • Supply-side shortages or manufacturing disruptions
  • Shifts in guideline recommendations that increase preference for alternatives

Key Takeaways

  • Bromocriptine mesylate is a mature, generic-dominated dopamine agonist with limited evidence of current late-stage pipeline that could structurally change the market.
  • Demand remains supported by chronic indications including hyperprolactinemia and Parkinson’s disease, but market value is constrained by pricing and substitution dynamics.
  • Revenue projections through 2030 should be modeled as flat to low-growth globally in nominal terms, with regional volatility tied to generic price erosion and supply stability.
  • Generic entry risk is primarily administrative and supply-chain driven rather than patent-driven in major markets.

FAQs

  1. Is bromocriptine mesylate still prescribed for hyperprolactinemia today?
  2. How do cabergoline and bromocriptine dosing and tolerability compare for prolactin suppression?
  3. What are the most common bromocriptine mesylate side effects that affect real-world persistence?
  4. Does bromocriptine mesylate have any ongoing FDA safety labeling updates in the US?
  5. What factors determine generic bromocriptine mesylate availability in tenders and formularies?

References (APA)

  1. ClinicalTrials.gov. (n.d.). Bromocriptine mesylate studies. National Library of Medicine.
  2. FDA. (n.d.). Drugs@FDA: Bromocriptine mesylate. U.S. Food and Drug Administration.
  3. FDA. (n.d.). Orange Book: Bromocriptine mesylate. U.S. Food and Drug Administration.

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