TheraRadar

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Data updated: Mar 10, 2026

ZYNRELEF KIT

BUPIVACAINE
Approved 2021-05-12
3
Indications
--
Phase 3 Trials
1
Priority Reviews
4
Years on Market

Details

Status
Prescription
First Approved
2021-05-12
Routes
PERIARTICULAR
Dosage Forms
SOLUTION, EXTENDED RELEASE

Companies

Active Ingredient: BUPIVACAINE , MELOXICAM

ZYNRELEF KIT Approval History

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What ZYNRELEF KIT Treats

2 indications

ZYNRELEF KIT is approved for 2 conditions since its original approval in 2021. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Anesthesia
  • Analgesia
Source: FDA Label

ZYNRELEF KIT Boxed Warning

RISK OF CARDIAC ARREST WITH USE OF BUPIVACAINE HYDROCHLORIDE INJECTION IN OBSTETRICAL ANESTHESIA There have been reports of cardiac arrest with difficult resuscitation or death during use of Bupivacaine Hydrochloride Injection for epidural anesthesia in obstetrical patients. In most cases, this has followed use of the 0.75% (7.5 mg/mL) concentration. Resuscitation has been difficult or impossible despite apparently adequate preparation and appropriate management. Cardiac arrest has occurred afte...

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Active Pipeline

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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

ZYNRELEF KIT FDA Label Details

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Indications & Usage

FDA Label (PDF)

Bupivacaine Hydrochloride Injection is indicated in adults for the production of local or regional anesthesia or analgesia for surgery, dental and oral surgery procedures, diagnostic and therapeutic procedures, and for obstetrical procedures. Specific concentrations and presentations of Bupivacaine Hydrochloride Injection are recommended for each type of block indicated to produce local or regional anesthesia or analgesia [see Dosage and Administration ]. Bupivacaine Hydrochloride Injection contains bupivacaine, an amide local anesthetic. Bupivacaine Hydrochloride Injection is indicated in adu...

โš ๏ธ BOXED WARNING

WARNING: RISK OF CARDIAC ARREST WITH USE OF BUPIVACAINE HYDROCHLORIDE INJECTION IN OBSTETRICAL ANESTHESIA There have been reports of cardiac arrest with difficult resuscitation or death during use of Bupivacaine Hydrochloride Injection for epidural anesthesia in obstetrical patients. In most cases, ...

ZYNRELEF KIT Patents & Exclusivity

Latest Patent: Apr 2036
Exclusivity: Jan 2027

Patents (256 active)

US11844837 Expires Apr 21, 2036
US11413350 Expires Apr 20, 2035
US9694079 Expires Apr 20, 2035
US9801945 Expires Apr 20, 2035
US10213510 Expires Apr 20, 2035
US10098957 Expires Apr 20, 2035
US10632199 Expires Apr 20, 2035
US10898575 Expires Apr 20, 2035
US11083797 Expires Apr 20, 2035
US11083730 Expires Apr 20, 2035
+ 246 more patents

Exclusivity

I-933 Until Jan 2027
I-933 Until Jan 2027
I-933 Until Jan 2027
I-933 Until Jan 2027
I-933 Until Jan 2027
Source: FDA Orange Book

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.