Last Updated: August 3, 2026

CLINICAL TRIALS PROFILE FOR BUPIVACAINE HYDROCHLORIDE KIT


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505(b)(2) Clinical Trials for BUPIVACAINE HYDROCHLORIDE KIT

This table shows clinical trials for potential 505(b)(2) applications. See the next table for all clinical trials
Trial Type Trial ID Title Status Sponsor Phase Start Date Summary
New Formulation NCT01349140 ↗ EXPAREL Dose-Response for Single-Injection Femoral Nerve Blocks Completed Pacira Pharmaceuticals, Inc Phase 1 2012-02-01 EXPAREL™, an investigational drug product, is a new formulation of a local anesthetic (numbing medicine) that is designed to be longer acting than the currently-available local anesthetics. The purpose of this study is to define the dose-response curve of EXPAREL, an investigational extended-duration formulation of the local anesthetic bupivacaine, on both motor and sensory block when applied in a fixed volume adjacent to the femoral nerve.
New Formulation NCT01349140 ↗ EXPAREL Dose-Response for Single-Injection Femoral Nerve Blocks Completed University of California, San Diego Phase 1 2012-02-01 EXPAREL™, an investigational drug product, is a new formulation of a local anesthetic (numbing medicine) that is designed to be longer acting than the currently-available local anesthetics. The purpose of this study is to define the dose-response curve of EXPAREL, an investigational extended-duration formulation of the local anesthetic bupivacaine, on both motor and sensory block when applied in a fixed volume adjacent to the femoral nerve.
OTC NCT02929589 ↗ Ibuprofen to Decrease Opioid Use and Post-operative Pain Following Unilateral Inguinal Herniorrhaphy Suspended Mike O'Callaghan Federal Hospital Phase 3 2018-07-05 This is a prospective, randomized, double-blinded, and placebo-controlled trial comparing oxycodone/acetaminophen prescribed with or without ibuprofen for pain control following open unilateral inguinal hernia repair, with allowed exception of any currently prescribed opioid (codeine, hydrocodone, hydromorphone, morphine, methadone, oxymorphone, transdermal fentanyl), which can be continued. The patients will not be allowed to continue any over-the-counter pain medications, such as ibuprofen, naproxen, or acetaminophen containing medications, that were not prescribed by the investigators during this study. Patients not receiving Ibuprofen will be given a placebo pill composed of corn starch. The placebo pill will be formulated into the same shape, size and color as the ibuprofen capsule. Neither the investigators nor the research subjects will know if the subject is receiving a placebo versus Ibuprofen. The subjects will complete pain level and medication diaries, and will be followed for 2 months after their surgery. The research aims to discover the appropriate amount of opioid medication to prescribe to patients undergoing an elective open inguinal hernia repair, and reduce the total opioid dose needed by utilizing ibuprofen in combination. The investigators expect that the subjects who take ibuprofen will use less oxycodone/acetaminophen, and have comparable or lower mean pain levels. This could contribute to reducing the surplus opioids prescribed by physicians after surgery, which can lead to opioid use disorders. This particular procedure is common in men, and the findings have the potential to decrease the symptoms and pain of Active Duty members and DoD beneficiaries who undergo an inguinal hernia repair, and are at risk for prescription drug abuse or dependence.
OTC NCT02929589 ↗ Ibuprofen to Decrease Opioid Use and Post-operative Pain Following Unilateral Inguinal Herniorrhaphy Suspended Mike O'Callaghan Military Hospital Phase 3 2018-07-05 This is a prospective, randomized, double-blinded, and placebo-controlled trial comparing oxycodone/acetaminophen prescribed with or without ibuprofen for pain control following open unilateral inguinal hernia repair, with allowed exception of any currently prescribed opioid (codeine, hydrocodone, hydromorphone, morphine, methadone, oxymorphone, transdermal fentanyl), which can be continued. The patients will not be allowed to continue any over-the-counter pain medications, such as ibuprofen, naproxen, or acetaminophen containing medications, that were not prescribed by the investigators during this study. Patients not receiving Ibuprofen will be given a placebo pill composed of corn starch. The placebo pill will be formulated into the same shape, size and color as the ibuprofen capsule. Neither the investigators nor the research subjects will know if the subject is receiving a placebo versus Ibuprofen. The subjects will complete pain level and medication diaries, and will be followed for 2 months after their surgery. The research aims to discover the appropriate amount of opioid medication to prescribe to patients undergoing an elective open inguinal hernia repair, and reduce the total opioid dose needed by utilizing ibuprofen in combination. The investigators expect that the subjects who take ibuprofen will use less oxycodone/acetaminophen, and have comparable or lower mean pain levels. This could contribute to reducing the surplus opioids prescribed by physicians after surgery, which can lead to opioid use disorders. This particular procedure is common in men, and the findings have the potential to decrease the symptoms and pain of Active Duty members and DoD beneficiaries who undergo an inguinal hernia repair, and are at risk for prescription drug abuse or dependence.
New Formulation NCT02947178 ↗ Hip Arthroscopy Pain Control Randomized Control Trial (RCT) Completed Walter Reed National Military Medical Center Phase 4 2016-03-01 Femoroacetabular impingement is a pathologic process within the hip joint that results from a mechanical discord between the femoral head and neck and the acetabulum that results in chronic hip pain, hip labral tears and early progression of osteoarthritis of the hip.1, 2 Historically an open surgical hip dislocation was performed to treat patients with this condition, however with recent advances in arthroscopy, patients more commonly now undergo arthroscopic hip surgery. From a pain management standpoint, previous attempts to provide peri-operative analgesia included intraarticular or portal analgesic injections. More recently, regional anesthesia techniques are being employed to provide more reliable and longer lasting post-operative pain control.3, 4 Currently, there are several local anesthetics available for regional anesthesia. However, they only provide an average of 12-18 hours of post-operative pain control following a single injection.5 Bupivacaine is a local anesthetic that has been used for many years by multiple routes to control post-operative pain. A new formulation of the medication prolongs the release of the active ingredient after a single injection and has been shown to result in up to 72 hours of post-operative analgesia.6, 7 To the investigator's knowledge, there has not been any studies in the literature comparing a historical control local anesthetic to this new formulation of liposomal bupivacaine via a fascial iliaca regional soft tissue infiltration blockade to provide post operative pain control following hip arthroscopy.
OTC NCT06937385 ↗ 0.5% Bupivacaine Lower Cervical Intramuscular Injection vs IV Medications for Headache Treatment NOT_YET_RECRUITING HCA Florida North Florida Hospital PHASE3 2025-05-01 Headache is a frequent chief complaint among patients presenting to the Emergency Department (ED), accounting for 2.1 million visits annually in the United States. Often, individuals resort to ED care only after over-the-counter or home remedies have failed, leading to the predominant use of intravenous (IV) medications in the ED, including NSAIDs, triptans, neuroleptics, antiepileptics, and dopaminergic antagonists. Unfortunately, these pharmacologic treatments frequently induce side effects such as cognitive impairment, extrapyramidal reactions, and the potential for medication dependency. In the ED, patients frequently require concurrent administration of multiple systemic medications to achieve satisfactory pain relief, thereby elevating the risk associated with medication use. Despite these medication regimens, a significant portion of patients continue to experience inadequate pain relief. Consequently, the search for an optimal headache therapy-characterized by rapid and effective pain relief, long lasting results, minimal side effects, and allows for rapid ED patient turnover-continues to be a popular area of research in emergency medicine. The investigators plan to evaluate the use of 0.5% bupivacaine cervical IM injection at the c6-7 location for the treatment of non traumatic headaches using a non-inferiority design, randomized, prospective, open-label, controlled trial comparing it to physicians choice of intravenous medications in treatment of headache in the Emergency Department at North Florida Hospital.
>Trial Type >Trial ID >Title >Status >Phase >Start Date >Summary

All Clinical Trials for BUPIVACAINE HYDROCHLORIDE KIT

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00001088 ↗ A Phase I Safety and Immunogenicity Trial of the Facilitated HIV-1 Gag-Pol DNA Vaccine (APL-400-047, Apollon, Inc.) Given Intramuscularly by Needle and Syringe or Biojector 2000 Needle-Free Jet Injection System in HIV-1 Uninfected Adult Volunteers Completed National Institute of Allergy and Infectious Diseases (NIAID) Phase 1 1997-07-01 To evaluate the safety, tolerability and immunogenicity in humans of the APL-400-047 vaccine when administered intramuscularly by needle and syringe at 1 of 3 doses or by Biojector at the intermediate dose. [AS PER AMENDMENT 07/98: To evaluate the tolerability, safety, and immunogenicity of an increased dose in an additional group of volunteers.] DNA-based immunization mimics live-attenuated virus vaccination by stimulation of both the humoral and cellular arms of the immune system; thus, potentially providing the advantages of a live virus vaccination but without the potential risks. It is essential that novel vaccine strategies (including DNA-based immunizations) continue to be developed and enter Phase I human testing because to date, no candidate vaccine from any of the approximately 30 AVEG Phase I or II trials has progressed to a Phase III efficacy trial. Use of a Biojector jet gun for vaccine delivery may also have potential psychological, comfort, safety and immunologic advantages over the traditional needle and syringe method of delivery.
NCT00001090 ↗ A Multicenter, Randomized, Placebo-Controlled, Double-Blinded, Phase I Trial to Evaluate the Safety and Immunogenicity of Live Recombinant Canarypox ALVAC-HIV vCP205 Combined With GM-CSF in Healthy, HIV-1 Uninfected Volunteers Completed National Institute of Allergy and Infectious Diseases (NIAID) Phase 1 1969-12-31 To evaluate the safety and immunogenicity of live recombinant canarypox ALVAC-HIV vCP205 in combination with recombinant human granulocyte-macrophage colony-stimulating factor (GM-CSF) at 80 microg and 250 microg. [AS PER AMENDMENT 4/30/99: To study the safety of following 4 ALVAC immunizations with a nucleic acid gag/pol HIV-1 immunogen (APL-400-047, Wyeth-Lederle). To assess the ability of this sequence of immunization to boost the LTL, T-helper cell, and antibody response.] ALVAC-HIV candidate vaccines have induced HIV-specific CTL responses in more than half of recipients in some protocols. Depending on the HIV-1 gene products expressed by the particular ALVAC-HIV candidate vaccine, volunteers have generated anti-Envelope (vCP125, vCP205, and vCP300), anti-Gag (vCP205 and vCP300), and anti-Nef (vCP300) CTL activity. Although 3 to 4 immunizations with the different ALVAC-HIV experimental vaccines induce anti-HIV-1 neutralizing antibodies in a portion, often the majority, of volunteers, the geometric mean titers of these antibodies are modest, usually less than 50. This study will determine whether there is an increase in the anti-HIV antibody titers when GM-CSF is used as an adjuvant with ALVAC-HIV vCP205 and will also examine the kinetics and magnitude of the HIV-specific CTL response.
NCT00001724 ↗ Local Flurbiprofen to Treat Pain Following Wisdom Tooth Extraction Completed National Institute of Dental and Craniofacial Research (NIDCR) Phase 2 1997-11-01 This study will evaluate the effectiveness of the non-steroidal anti-inflammatory drug flurbiprofen (Ansaid® (Registered Trademark)) in relieving pain following oral surgery. Flurbiprofen is approved by the Food and Drug Administration for treatment of arthritis pain. Patients 16 years of age and older requiring third molar (wisdom tooth) extraction may be eligible for this study. Patients will undergo oral surgery to remove two lower third molar teeth. Before surgery, they will be given a local anesthetic (lidocaine with epinephrine) injected in the mouth and a sedative (Versed) infused through a catheter (thin plastic tube) placed in an arm vein. At the time of surgery, patients will also be given flurbiprofen or a placebo formulation (look-alike substance with no active ingredient) directly into the extraction site and a capsule that also may contain flurbiprofen or placebo. One in seven patients will receive only placebo. All patients will fill out pain questionnaires and stay in the clinic for up to 6 hours for observation of bleeding and medication side effects. Patients who do not have satisfactory pain relief from the test medicine after surgery may request a standard pain reliever. A small blood sample will be collected during surgery and at 15 minutes, one-half hour and 1, 2, 3, 4, 5, 6, 24 and 48 hours after surgery to measure flurbiprofen blood levels. A total of 33 ml (about 2 tablespoons) of blood will be drawn for these tests. Samples collected on the day of surgery will be drawn from the catheter used to administer the sedative; the 24- and 48-hour samples will be taken by needle from an arm or hand vein. Urine samples will also be collected between 4 and 6 hours after surgery and again at 24 and 48 hours after surgery.
NCT00008476 ↗ Capsaicin to Control Pain Following Third Molar Extraction Completed National Institute of Dental and Craniofacial Research (NIDCR) Phase 2 2001-01-01 This study will test the effectiveness of the drug capsaicin in controlling pain after third molar (wisdom tooth) extraction. Capsaicin, the ingredient in chili peppers that makes them "hot," belongs to a class of drugs called vanilloids, which have been found to temporarily inactivate pain-sensing nerves. Healthy normal volunteers between 16 and 40 years of age who require third molar (wisdom tooth) extraction may be eligible for this study. Participants will undergo the following procedures in three visits: Visit 1: Patients will have touch (sensory) testing by the following three methods: 1) a warm sensor applied to the gums and the patient will rate when they first feel heat and when the heat feels painful; 2) the bristles of a small paint brush will be gently stroked across the gums, and the patient will say whether it feels painful; 3) a light touch will be applied to the gums with a small needle, and the patient will rate the pain intensity following the touch. After testing, patients will be numbed with a local anesthetic (bupivacaine) and then capsaicin or placebo (an inactive solution) will be injected next to the tooth. The tooth then will be extracted one day later. Visit 2: Patients will return to the clinic after 24 hours to repeat the same type of sensory testing. After testing, patients will be sedated and numbed with a local anesthetic (lidocaine) and given an intravenous injection of either saline or ketorolac (30 mg). After the extraction, pain ratings will be recorded every 20 minutes, for up to 6 hours. During this time, patients will be monitored for numbness, pain, side effects and vital signs (heart rate, blood pressure, respiration, etc.). Those who request pain medicine will receive acetaminophen and codeine. Patients will be required to stay for up to 3 more hours after this and then they will then be discharged with pain medicine. Visit 3: Patients will return to the clinic after another 48 hours to repeat the same sensory testing. Remaining wisdom teeth will be removed "off-study" at least three weeks following the first visit.
NCT00050362 ↗ Rofecoxib and Bupivacaine to Prevent Pain After Third Molar (Wisdom Tooth) Extraction Completed National Institute of Dental and Craniofacial Research (NIDCR) Phase 2 2002-12-01 This study will evaluate the ability of the drugs rofecoxib and bupivacaine to prevent pain following third molar (wisdom tooth) extraction. Rofecoxib is approved to treat pain of arthritis and menstrual cramps. Bupivacaine is a local anesthetic similar to lidocaine, but longer acting. Healthy normal volunteers between 16 and 35 years of age who are in general good health and require extraction of their two lower wisdom teeth may be eligible for this study. Participants will have their two lower wisdom teeth extracted, and a biopsy (removal of a small piece of tissue) will be taken from the inside of the cheek around the area behind one of the extraction sites. Ninety minutes before surgery, patients will take a dose of either rofecoxib, or a placebo (a pill with no active ingredient) by mouth. Just before surgery, they will receive an injection of either lidocaine or bupivacaine to numb the mouth and a sedative called midazolam (Versed® (Registered Trademark)) through an arm vein to cause drowsiness. After surgery, a small piece of tubing will be placed into one of the two extraction sites. Samples will be collected from the tubing to measure chemicals involved in pain and inflammation. Patients will remain in the clinic for up to 4 hours after surgery to monitor pain and drug side effects while the anesthetic wears off. During this time, they will complete pain questionnaires every 20 minutes. (Patients whose pain is unrelieved an hour after surgery may request and receive acetaminophen (Tylenol) and codeine.) The tubing then will be removed and they will be discharged with pain medicines (Tylenol, codeine and the study drug) and forms to record pain ratings. They will be given detailed instructions on how and when to take the medicines and how to record information in the pain diary. Patients will return to the clinic 48 hours after surgery with the pain diary and pain relievers. At this visit, another biopsy will be taken under local anesthetic (lidocaine).
NCT00119184 ↗ Spinal Analgesia Versus No Analgesia: Study for External Cephalic Version Terminated Hadassah Medical Organization Phase 1 2002-10-01 The purpose of this study is to examine whether spinal anesthesia affects the chances of successful external cephalic version (ECV) of a breech presenting fetus. Two study groups will be included; one will receive spinal anesthesia, the other will not. The non-spinal group will be permitted to cross over if ECV procedure is painful. The main outcome is success of ECV.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for BUPIVACAINE HYDROCHLORIDE KIT

Condition Name

Condition Name for BUPIVACAINE HYDROCHLORIDE KIT
Intervention Trials
Postoperative Pain 207
Pain, Postoperative 181
Pain 127
Analgesia 72
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Condition MeSH

Condition MeSH for BUPIVACAINE HYDROCHLORIDE KIT
Intervention Trials
Pain, Postoperative 556
Acute Pain 64
Agnosia 63
Hypotension 62
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Clinical Trial Locations for BUPIVACAINE HYDROCHLORIDE KIT

Trials by Country

Trials by Country for BUPIVACAINE HYDROCHLORIDE KIT
Location Trials
United States 892
Egypt 429
Canada 91
Turkey 82
China 39
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Trials by US State

Trials by US State for BUPIVACAINE HYDROCHLORIDE KIT
Location Trials
New York 96
Texas 72
California 71
Ohio 58
North Carolina 58
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Clinical Trial Progress for BUPIVACAINE HYDROCHLORIDE KIT

Clinical Trial Phase

Clinical Trial Phase for BUPIVACAINE HYDROCHLORIDE KIT
Clinical Trial Phase Trials
PHASE4 108
PHASE3 31
PHASE2 35
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Clinical Trial Status

Clinical Trial Status for BUPIVACAINE HYDROCHLORIDE KIT
Clinical Trial Phase Trials
Completed 941
Recruiting 371
Not yet recruiting 177
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Clinical Trial Sponsors for BUPIVACAINE HYDROCHLORIDE KIT

Sponsor Name

Sponsor Name for BUPIVACAINE HYDROCHLORIDE KIT
Sponsor Trials
Assiut University 130
Cairo University 70
Ain Shams University 63
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Sponsor Type

Sponsor Type for BUPIVACAINE HYDROCHLORIDE KIT
Sponsor Trials
Other 2246
Industry 153
U.S. Fed 32
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Bupivacaine Hydrochloride Kit Clinical Trials Update, Market Outlook, and Patent/Regulatory Exclusivity Landscape

Last updated: July 28, 2026

Bupivacaine hydrochloride kits (typically a packaged local anesthetic product used for regional anesthesia, infiltration, and perioperative analgesia) sit in a low-R&D, high-formulation and label-driven segment where commercial differentiation comes from kit format, dosing convenience, and U.S. regulatory status. Current visibility on “clinical trials” is fragmented because the search term covers multiple kit presentations and strengths, and many interventional studies are performed under sponsors using bupivacaine in different single-dose containers or anesthesia protocols rather than a branded “kit” product name.

Below is what can be stated cleanly from a patent-and-regulatory decision lens: market access risk is mostly tied to FDA listing status (Orange Book for eligible approvals), whether the “kit” is a combination or simply bupivacaine with delivery components, and whether any listed patents cover formulation, device/kit system, method of use, or manufacturing. Where Orange Book coverage exists, generic entry timing is driven by patent expiration and exclusivity triggers rather than new efficacy trials.


How does bupivacaine hydrochloride kit perform in today’s market?

Bottom line: Demand is tied to procedure volume for surgeries using regional anesthesia, pain management protocols, and clinician preference for kit-based delivery convenience. Pricing is pressure-driven by generic bupivacaine availability and retailer/hospital formulary contracting.

Market structure: branded vs generic pressure

  • Bupivacaine hydrochloride is an established generic local anesthetic molecule in the U.S.
  • “Kit” branding usually reflects packaging and delivery workflow rather than new active ingredient IP.
  • Competitive dynamics typically follow:
    1. Generic substitution after patent and exclusivity lapse
    2. Contracting based on per-procedure cost and ease-of-use
    3. Tender-based allocation for hospital anesthesia and perioperative pain programs

Where bupivacaine kits win commercially

  • Operating room and ambulatory surgery settings with standardized anesthesia order sets
  • Institutions optimizing nursing workflow and reducing preparation variability
  • Protocol-driven pain pathways where a packaged kit supports consistent dosing

Pricing and forecast drivers

  • Procedure volumes (orthopedics, general surgery, OB/GYN, urology)
  • Substitution elasticity (how quickly hospitals switch to lower-cost equivalents)
  • Tender outcomes for hospital group purchasing organizations
  • FDA and REMS considerations are usually not the primary limiter in this therapeutic class; supply continuity is a key operational variable

What do recent clinical trials for bupivacaine hydrochloride kits show?

Bottom line: Available clinical-trial signals for bupivacaine are largely protocol and formulation-delivery centered, with endpoints like analgesic duration, opioid-sparing effect, block quality, and safety. A “kit” label often changes the administration workflow rather than the core pharmacology.

Common trial designs used with bupivacaine

  • Randomized controlled trials comparing:
    • Continuous vs single-injection regional techniques
    • Different dosing regimens or concentration adjustments
    • Adjuncts (when used) vs bupivacaine alone
  • Outcomes:
    • Time to first analgesic rescue
    • Pain scores (VAS/NRS) at defined post-op windows
    • Motor block presence and functional recovery
    • Adverse event rates, especially local anesthetic systemic toxicity risk monitoring

What “kit” trials generally target

  • Handling performance: preparation time, dosing accuracy, workflow time
  • Consistency: reproducibility across clinicians and sites
  • Compatibility: delivery device integration, stability in packaging

Market relevance of clinical outcomes

  • Even when efficacy differences are small, trials can support:
    • Updated label claims or protocol adoption
    • Institutional guidelines that favor kit-based dosing
    • Differentiation in competitive contracting

Which clinical trial endpoints matter most for market adoption of bupivacaine kits?

Bottom line: Hospitals and payors adopt products that reduce operational friction and improve predictable analgesic outcomes without increasing safety risk.

Endpoints that drive formularies

  • Opioid-sparing: proportion opioid-free or reduced dose pathways
  • Pain control windows: time-to-rescue and proportion achieving target pain scores
  • Safety: rates of neurologic events and suspected systemic toxicity, plus adherence to monitoring protocols
  • Workflows: kit readiness, preparation time, and reduction of dosing errors

Adoption barriers

  • Labeling differences between kits, especially if contraindications or administration steps differ
  • Clinician familiarity and local anesthesia service protocols
  • Supply continuity and backorder patterns that disrupt standardized kits

When do bupivacaine hydrochloride kit products lose exclusivity in the U.S.?

Bottom line: For bupivacaine itself, active ingredient exclusivity is long expired. Any remaining exclusivity tends to be product-specific (listed patents or device/kit system patents, or method-of-use claims tied to a specific administration regimen).

How exclusivity typically works for “kit” products

  • Active ingredient: generics are usually available because bupivacaine hydrochloride is not protected as new chemical entity
  • Differentiation: patent lists can cover:
    • Formulation or concentration-specific compositions
    • Manufacturing methods or stability/packaging conditions
    • Method-of-use indications
    • Delivery system aspects (if the kit includes a device-like component)

Exclusivity versus patents

  • Exclusivity can block generic entry even if patents expire.
  • Patents on formulation, manufacturing, or method-of-use generally create the binding barrier.

What patents protect bupivacaine hydrochloride kits?

Bottom line: Patent protection, where it exists, is most likely to be on packaging/delivery system elements and product-specific method-of-use or formulation/stability claims rather than on the core bupivacaine molecule.

Likely patent categories for kit products

  • Formulation/stability patents:
    • Salt form, concentration, or excipient-related stability in the packaged system
  • Manufacturing and packaging patents:
    • Sterility, packaging configuration, or shelf-life conditions
  • Method-of-use patents:
    • Specific perioperative analgesic regimens
    • Specific block types or infusion schedules tied to dosing parameters
  • Delivery system/device-adjacent claims:
    • Kit configuration and administration steps

How to think about patent strength

  • If only method-of-use patents exist, generics can often launch with non-infringing labeling or carve-outs.
  • If formulation or manufacturing patents exist with Orange Book listings, entry risk increases because generic composition or process must be designed around the claims.

What is the Orange Book status of bupivacaine hydrochloride kit products?

Bottom line: The Orange Book status is product-specific, and the term “bupivacaine hydrochloride kit” can map to multiple NDA/RLDs with different listing patterns. Orange Book entries are the legal gatekeeper for generic timing.

How Orange Book listings typically affect market entry

  • Listed patents create statutory triggers for Paragraph IV challenges if a generic applicant seeks to rely on the reference product.
  • The number of listed patents matters because each one can independently constrain launch.

Do generic versions of bupivacaine hydrochloride kits face Paragraph IV risk?

Bottom line: Generic entry risk is usually low for the molecule, but can be high if a specific kit presentation has listed patents. Paragraph IV filing is a signal that the applicant believes at least one Orange Book patent is invalid or not infringed.

Generic launch scenarios

  • Scenario A: No listed patents tied to the kit presentation
    • Generic approval and launch is faster
  • Scenario B: Listed patents exist but carve-outs are feasible
    • Launch occurs with restricted labeling
  • Scenario C: Listed patents cover formulation or manufacturing
    • Launch is delayed, or litigation/settlement occurs

What generic entry risks exist for bupivacaine hydrochloride kit brands?

Bottom line: The biggest risks to incumbents are label carve-out feasibility and non-infringement arguments around method-of-use dosing parameters.

Risk matrix (typical)

  • High risk if:
    • Patents are narrow method-of-use claims
    • Kit differentiation is largely packaging convenience
    • Evidence supports non-infringement with alternative dosing/administration
  • Medium risk if:
    • Formulation/stability patents exist but claim scope is narrow
  • Lower risk if:
    • Manufacturing/packaging patents cover critical steps in kit assembly that are difficult to redesign

How does bupivacaine hydrochloride kit compare with other local anesthetic kits (lidocaine, ropivacaine) for clinical and commercial positioning?

Bottom line: Clinically, adoption hinges on block success, duration, and safety in specific surgical settings. Commercially, bupivacaine competes heavily on availability and cost because molecule-level exclusivity does not generally drive procurement.

Competitive axes

  • Duration and potency in institutional protocols
  • Safety monitoring requirements and clinician comfort
  • Unit cost after formulary contracting
  • Kit format convenience for standardized order sets

What litigation affects bupivacaine hydrochloride kit products?

Bottom line: Litigation in this class is usually driven by Orange Book listings at the product presentation level. Without a product identifier (specific brand name, NDA, or RLD), it is not possible to responsibly map active cases and their procedural posture.


What FDA regulatory pathway applies to bupivacaine hydrochloride kits?

Bottom line: Most competitors use abbreviated pathways for the molecule; product-specific kits may still require reference to an NDA and can be subject to patent constraints and labeling carve-outs.

Key regulatory questions that determine launch feasibility

  • Does the kit map to an NDA with Orange Book listings?
  • Does the kit include components that trigger device regulation or specific packaging constraints?
  • Does the proposed generic rely on the same reference product presentation or a different strength/configuration?

How strong is the patent estate for bupivacaine hydrochloride kits?

Bottom line: For molecule-level bupivacaine, the estate is not the barrier; product-level and method-of-use or packaging claims are. Patent strength in this category typically screens as:

  • Number of Orange Book-listed patents for the exact kit presentation
  • Claim scope breadth (formulation/process vs narrow method-of-use)
  • Litigation history and settlement patterns

Market projection for bupivacaine hydrochloride kits (U.S.)

Bottom line: Market growth is likely to track procedure volume and substitution-resistant procurement behavior (kit standardization) with limited long-term upside because competition is intense at molecule level.

Projection framework (what drives the curve)

  • Base demand: regional anesthesia and perioperative analgesia procedure volumes
  • Conversion: clinician and institution standardization to kit formats
  • Price erosion: generic competition and tender-driven cost compression
  • Volume uplift: growth in ambulatory surgery and standardized pain pathways

What could change the outlook

  • Any new FDA labeling that improves adoption in additional procedures
  • A shift in reimbursement or protocol favoring bupivacaine kits over alternatives
  • Supply disruptions that temporarily elevate pricing

Key Takeaways

  • “Bupivacaine hydrochloride kit” is best analyzed at the product presentation level, not as a single monolithic asset, because patent and exclusivity status is presentation-specific.
  • Clinical trial value in this segment is operational and protocol-adoption focused: predictable analgesic windows, workflow readiness, and safety consistency.
  • Competitive risk is generally generic substitution pressure, with launch timing governed by Orange Book-listed patents and any product-specific exclusivity.
  • Market outlook tracks procedure volumes and protocol standardization, with restrained growth due to intense molecule-level competition.

FAQs

  1. Do bupivacaine hydrochloride kits require an NDA listing, and how does that affect generic approvals?
  2. What kit features (packaging, device components, dosing steps) most often drive patentability for bupivacaine product presentations?
  3. How do method-of-use patents for perioperative analgesia typically lead to label carve-outs for generic bupivacaine kits?
  4. What clinical endpoints most influence hospital adoption of local anesthetic kits for regional anesthesia protocols?
  5. How can supply disruptions or procurement contracting change near-term pricing for bupivacaine kits even when molecule patents have expired?

References (APA)

  1. U.S. Food and Drug Administration. (n.d.). Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations. FDA.
  2. U.S. Food and Drug Administration. (n.d.). Drug Trials Snapshots. FDA.

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