Last Updated: June 9, 2026

Pentobarbital sodium - Generic Drug Details


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What are the generic drug sources for pentobarbital sodium and what is the scope of patent protection?

Pentobarbital sodium is the generic ingredient in four branded drugs marketed by Epic Pharma Llc, Lannett, Vitarine, Whiteworth Town Plsn, Anabolic, Elkins Sinn, Everylife, Halsey, Ivax Sub Teva Pharms, Parke Davis, Perrigo, Purepac Pharm, Valeant Pharm Intl, Watson Labs, Wyeth Ayerst, Rising, Bpi Labs, Hikma, Sagent Pharms Inc, Sciegen Pharms, and Nexgen Pharma Inc, and is included in twenty-seven NDAs. Additional information is available in the individual branded drug profile pages.

There are two drug master file entries for pentobarbital sodium. Two suppliers are listed for this compound.

Summary for pentobarbital sodium
US Patents:0
Tradenames:4
Applicants:21
NDAs:27
Drug Master File Entries: 2
Finished Product Suppliers / Packagers: 2
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 5,815
What excipients (inactive ingredients) are in pentobarbital sodium?pentobarbital sodium excipients list
DailyMed Link:pentobarbital sodium at DailyMed

US Patents and Regulatory Information for pentobarbital sodium

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Everylife SODIUM PENTOBARBITAL pentobarbital sodium CAPSULE;ORAL 083259-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Vitarine PENTOBARBITAL SODIUM pentobarbital sodium CAPSULE;ORAL 083284-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Sciegen Pharms NEMBUTAL pentobarbital sodium SUPPOSITORY;RECTAL 083247-002 Jan 25, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration
Last updated: June 7, 2026

Pentobarbital Sodium market dynamics and financial trajectory: exclusivity, pricing, demand, and generic erosion

Pentobarbital sodium’s commercial profile is dominated by off-label, regulated-use demand (notably end-of-life and euthanasia workflows), inventory and supply-chain constraints, and accelerated substitution by generics in institutional settings. Financial trajectory in the US has been volatile, with periods where FDA enforcement actions, litigation over supply and procurement, and state-level prescribing restrictions shifted procurement behavior. Across developed markets, growth is constrained by controlled-substance scheduling, concentrated buyer demand (hospitals, veterinary and humane organizations, compounding channels), and strong generic substitution economics once branded supply is removed.

No reliable drug-level revenue dataset is provided in the prompt. The discussion below is limited to market dynamics and valuation drivers that are directly observable from the regulatory, controlled-substance, and substitution landscape for pentobarbital sodium.


What drives demand for pentobarbital sodium in hospitals and euthanasia settings?

Pentobarbital sodium demand is shaped by use-case bottlenecks rather than broad ambulatory prescribing. Core drivers include:

  • Regulated access and prescribing constraints. Pentobarbital is subject to controlled-substance rules, which affect who can buy, how much can be held, and how quickly inventory can be rotated.
  • Concentrated institutional buying. Procurement comes from a small set of large buyers and networks: hospitals with palliative workflows, specialty centers, veterinary and humane organizations, and correctional or state-administered programs in some jurisdictions.
  • Supply continuity risk. Pentobarbital sodium is sensitive to manufacturing disruptions because there is limited redundancy in some inventory tiers. When supply tightens, procurement shifts to authorized channels, and unit economics can move against buyers.
  • Substitution and tendering behavior. Once authorized generics are available, purchasing tends to shift to lowest acquisition cost and consistent supply, often via contracts and tenders.
  • Public and political scrutiny. In end-of-life and euthanasia contexts, scrutiny increases compliance overhead and may change preferred procurement paths, which impacts ordering patterns and working capital needs.

Which indications pull the most volume?

Commercial volume is typically concentrated in:

  • Sedation/anesthesia and peri-procedural use in some settings, though this is not a large growth engine in many markets due to competing agents.
  • Euthanasia and end-of-life administration where pentobarbital remains a used option, especially in systems that have pre-established protocols.

How do controlled-substance rules affect sales stability?

Controlled-substance requirements impact:

  • Wholesale channel turnover
  • Documentation and verification requirements
  • Storage and recordkeeping costs
  • Limits on diversion and parallel trade

That typically produces jagged ordering, with spikes around perceived shortages and periods of stepped replenishment.


What is the Orange Book status of pentobarbital sodium and how does exclusivity work?

Pentobarbital sodium is an established active ingredient with multiple authorized generic products in practice. For legacy small molecules with long market presence, brand exclusivity rarely remains the primary commercial determinant. The competitive floor is usually set by:

  • Authorized generic availability
  • CMC transferability
  • Packaging, label compliance, and controlled-substance distribution capability
  • Patient administration protocol fit (route, concentration, volume)

How does patent exclusivity typically behave for older barbiturates?

For long-marketed barbiturates, commercial freedom is usually governed by:

  • End-of-shelf branded status after early exclusivity
  • Formulation or packaging patents that may persist for specific presentations
  • Manufacturing process patents where enforcement exists (often narrow)
  • Regulatory exclusivity that is rarely active for older actives

In pentobarbital’s case, market behavior indicates generics are the structural norm.


What patents protect pentobarbital sodium products and what is the practical impact on competition?

For pentobarbital sodium as an active ingredient, the practical patent effect on competition is generally limited because:

  • The active ingredient is old and broadly enabled.
  • Multiple manufacturers have produced generic versions.
  • Institutional procurement tends to reward availability and supply continuity more than patent insulation.

Where do patents still matter commercially?

Even when active-ingredient patents are long expired, patents can matter for specific commercial SKUs through:

  • Concentration-specific presentations
  • Container closure systems
  • Manufacturing controls and validated stability specs
  • Method-of-use claims tied to institutional protocols (usually harder to enforce and often avoided by label design)

Does litigation influence price or access?

Patent and regulatory disputes can create:

  • Temporary withdrawal of some SKUs
  • Channel interruptions
  • Price spikes that encourage alternative sourcing

But when a market has multiple authorized generics, the supply elasticity usually limits sustained price uplift.


When does pentobarbital sodium lose exclusivity or face generic entry risk?

For an established molecule, generic entry risk is typically already realized. Ongoing risk is mostly tied to:

  • New label/packaging presentations
  • Manufacturing site changes
  • Product discontinuations and reintroductions
  • Quality and compliance outages
  • State-by-state controlled-substance procurement shifts

What is the generic launch playbook in this category?

  • Acquire distribution capability for controlled substances.
  • Secure reliable API and finished-goods supply.
  • Maintain label and concentration conformity to buyer protocol requirements.
  • Offer dependable lot-to-lot consistency for institutional administrations.

What patent litigation affects pentobarbital sodium supply and pricing?

Pentobarbital sodium sits in a litigation-prone space because:

  • Procurement and supply events can trigger disputes between buyers, wholesalers, and manufacturers.
  • Controlled-substance distribution creates incentives for enforcement actions and governance disputes.
  • Public scrutiny in euthanasia and end-of-life contexts can amplify regulatory attention, indirectly affecting supply.

Market impact typically shows up as:

  • Short-term channel disruptions
  • Contract renegotiations
  • Alternate supply substitution

A sustained litigation overhang that prevents generics is unlikely where multiple authorized generics already exist.


How does pentobarbital sodium compare with alternative euthanasia and sedation agents commercially?

Pentobarbital sodium competes in end-of-life and sedation pathways with:

  • Other barbiturates and sedative-hypnotics
  • Opioid-adjacent sedation protocols
  • Non-barbiturate anesthesia agents in some clinical pathways
  • Jurisdiction-specific protocol preferences

What drives selection between pentobarbital and alternatives?

  • Protocol standardization in institutions
  • Availability and procurement reliability
  • Unit cost and contract terms
  • Administration experience and drug handling
  • Regulatory acceptability within a region

In practice, buyers prioritize predictability. When pentobarbital is constrained, alternatives gain share quickly.


What are the pricing and reimbursement dynamics for pentobarbital sodium?

Reimbursement is often not the central driver because pentobarbital sodium is frequently procured by institutions under bundled budgets or paid out through procurement contracts rather than fee-for-service reimbursement. Price dynamics tend to follow:

  • Contract pricing with wholesalers and group purchasing organizations
  • Spot pricing during shortages
  • Cost-of-goods sensitivity tied to API availability and manufacturing compliance

What moves unit prices fastest?

  • Manufacturing disruptions or quality issues
  • Authorized distributor inventory depletion
  • Sudden procurement surges tied to regulatory or public workflow changes
  • Substitution availability and lead-time competition

Which companies manufacture and distribute pentobarbital sodium, and how does concentration affect supply?

The market typically features multiple generic manufacturers plus a distribution network dominated by authorized wholesalers. Supplier concentration affects:

  • Lead times during disruptions
  • Contract leverage of manufacturers
  • Procurement risk management by institutions

Where supply is concentrated, outages can propagate rapidly.


What is the FDA regulatory and compliance trajectory for pentobarbital sodium?

Pentobarbital sodium’s regulatory trajectory is largely determined by:

  • Manufacturing compliance (cGMP, sterility for injectable preparations, validated stability)
  • Controlled-substance distribution compliance
  • Label compliance and appropriate usage statements for each presentation

Regulatory actions that impact manufacturing can cause immediate channel shortages, which in turn drives:

  • Backorders and lead-time inflation
  • Substitution behavior
  • Contract repricing

How does supply chain and manufacturing capacity affect the financial trajectory?

For pentobarbital sodium, financial performance tends to track operational execution:

  • Throughput and batch reliability: finished-goods availability drives sales timing.
  • Regulatory inspection outcomes: adverse events can halt production.
  • API supply continuity: pentobarbital API supply sensitivity contributes to volatility.
  • Lot release timing: injectable administration schedules depend on lot availability.

Financial trajectory in this category often shows:

  • Peaks around stable production windows
  • Downturns during compliance interruptions or distribution allocation

Revenue exposure and business risk: where pentobarbital sodium sits in the portfolio

For branded or incumbent firms (where still present), pentobarbital sodium revenue exposure typically depends on:

  • Retained market share against authorized generics
  • Whether the firm supplies critical presentations that buyers standardize on
  • The ability to maintain consistent controlled-substance distribution

For generic manufacturers, revenue exposure depends on:

  • Execution reliability
  • Ability to supply procurement contracts
  • Maintaining compliance and avoiding batch disruptions

Key Takeaways

  • Pentobarbital sodium’s market dynamics are dominated by regulated procurement, institutional buying concentration, and supply continuity, not broad commercial expansion.
  • Financial trajectory is typically volatile, responding to manufacturing compliance outcomes, controlled-substance distribution constraints, and substitution availability.
  • Generic competition is structurally embedded for an old active ingredient, so long-term pricing power is usually limited to presentation-level availability, contract terms, and supply reliability.
  • The strongest commercial lever is operational execution: manufacturing reliability and controlled-substance channel continuity.

FAQs

1) What formulations of pentobarbital sodium are most used in institutional settings?

Injectable presentations used in sedation and euthanasia protocols are typically the operational core. Selection depends on concentration and administration workflow fit.

2) Can hospitals switch from pentobarbital sodium to alternatives quickly during shortages?

Switching can be rapid when alternatives are stocked and protocol-compatible, since institutional purchasing often prioritizes availability and predictable handling.

3) How do controlled-substance allocation rules change purchasing behavior?

Allocation and documentation requirements shift ordering cadence, increase working capital needs, and can cause batch-based surges when inventories are replenished.

4) What risks matter most for generic manufacturers of pentobarbital sodium?

CMC stability of injectable product, cGMP compliance, and controlled-substance distribution reliability are the key operational risks that affect revenue timing.

5) What business models perform best in pentobarbital sodium commercialization?

Models that secure reliable supply, maintain contract relationships, and can fulfill controlled-substance procurement at scale tend to hold sales most consistently.


References (APA)

No sources were cited because the prompt did not provide verifiable FDA, Orange Book, patent, litigation, or company financial datasets specific to pentobarbital sodium.

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