Inlexzo Generic: When Will Generic Gemcitabine Be Available?

Dr. Brian Staiger, PharmD, BCPS

This page is aggregated from FDA records, court filings and company announcements. Coded and designed by

Updated October 9, 2026 How we build our data

Inlexzo Generic at a Glance

Four quick answers from FDA records and our estimate.

  1. When is the first generic expected? November 2038 About 12 years away Why then?
  2. Has the FDA approved a generic? November 2010 13 companies approved
  3. When does the brand’s protection end? November 2038 The last of 6 listed patents
  4. Can you buy a generic today? Yes 14 companies list one in some form

Explains

PharmD, BCPS · Clinical pharmacist

A generic matching Inlexzo is expected to be available in November 2038, about 12 years away. A generic gemcitabine hydrochloride is already listed for sale in some form by 14 companies, so ask your pharmacy whether one matches Inlexzo.

Why November 2038?

It is when Inlexzo’s patent 12,636,300 ends. That patent covers a way of using it, and once it ends, generics can go on sale as soon as the FDA approves them. We rate it probable: more likely than not, but it can still move.

Will the generic cost less?

Usually. The FDA has already approved 13 companies to make a generic, and how many of them launch decides how far the price falls. See the price pattern

What should I do now?

Ask your pharmacy whether it can fill your prescription with a generic. It may look different from Inlexzo, but the active ingredient, strength and form are the same. What a generic means for you

Our month is only an estimate based on available information, so we never name a day.

Inlexzo by the Numbers

Reason
Patent expiresA patent that protects the brand runs out. After that, approved generics can be sold.
How sure
Probable More likely than not, but it can still move.
Price competition
None filed yet No filers on record
Brand sales
Sales not reported
  • FDA approved 2025 September 2025 FDA Orange Book
  • Patents listed 6 last runs to November 2038 FDA Orange Book
  • Generics FDA-approved 13 companies, the first approved November 2010 FDA Orange Book
  • Medicare Part D spent $4.2M in 2025, for 29 people CMS Part D Spending by Drug

Inlexzo’s Road to a Generic

Inlexzo has had the market to itself since the FDA approved it in September 2025 (Janssen Biotech Inc). Its FDA protection (new product) runs to September 2028. Its 6 listed patents run to November 2038.

The first generic of Inlexzo is expected in November 2038.

Why that month: patent 12,636,300, on a way of using it, ends then.

Brand alone on the market Since FDA approval, September 2025
New product Ends September 2028
Patent 12,403,086 Expires June 2030
Patent 12,576,253 Expires December 2030
Patent 8,679,094 Expires April 2032
Patent 10,729,823 Expires August 2034
Patent 12,447,241 Expires August 2034
Patent 12,636,300 Expires November 2038 The patent behind the expected month of generic availability
Brand alone on the market FDA exclusivity Patent on the formulation Patent on a use First generic expected Swipe the chart sideways to see every year.

Each bar runs from the brand’s approval to the day that protection ends. The green band is our projection for the first generic: a month, never a day, because legal dates move and a generic reaches shelves days to weeks after it is allowed. Sources: FDA Orange Book; the expected month from court records and company announcements.

Inlexzo Patents and FDA Protections

Every patent and exclusivity the FDA Orange Book lists for Inlexzo’s own applications. A protection running past the expected month does not mean the date is wrong: a settlement or a court ruling can let a generic in before a patent ends, and a patent on one formulation or use does not block every generic.

The one that matters for a generic launch: patent 12,636,300, which ends in November 2038, the month the first generic is expected.

Patents listed with the FDA (6)
PatentWhat it coversProtects untilStatus
12,403,086 The product’s formulation June 2030 Active
12,576,253 The product’s formulation December 2030 Active
8,679,094 The product’s formulation April 2032 Active
10,729,823 The product’s formulation August 2034 Active
12,447,241 The product’s formulation August 2034 Active
12,636,300 Sets the expected month of generic availability A way of using it (U-4552) November 2038 Active
FDA exclusivities (1)
ExclusivityWhat it meansEndsStatus
New product NPThree years of protection for a change that needed new clinical studies.September 2028Active

Source: FDA Orange Book, application 219683. Patent numbers open the patent on Google Patents.

Who Is Lined Up to Make Generic Gemcitabine Hydrochloride

Three steps stand between a brand and a generic you can buy: a company applies to the FDA, the FDA approves it, and the company starts selling it.

1

Applied to the FDA

No application count is on record for Inlexzo, but the FDA has already approved 13 companies (step 2), and every approval starts with an application.

2

Approved by the FDA

The FDA has approved generic versions from 13 companies, the first in November 2010. Approved is not the same as on sale: patents, a settlement or the company’s own plans can still hold a launch.

3

For Sale in Pharmacies

Yes. A generic gemcitabine hydrochloride in some form is listed for sale by 14 companies. Ask your pharmacy whether it can fill your prescription with it.

Accord Healthcare Inc., Armas Pharmaceuticals Inc., Athenex Pharmaceutical Division, LLC., Dr. Reddy's Laboratories Limited, Fresenius Kabi USA, LLC, Gland Pharma Limited and 8 more

Generic versions the FDA has approved (24 companies)
CompanyFirst approvedStrengthsRated
Hospira Inc November 2010EQ 2GM BASE/VIALAP
Fresenius Kabi USA LLC May 2011EQ 1GM BASE/VIAL, EQ 2GM BASE/VIAL, EQ 200MG BASE/VIALAP
Dr Reddys Laboratories Ltd July 2011EQ 1GM BASE/VIAL, EQ 2GM BASE/VIAL, EQ 200MG BASE/VIALAP
Hospira Worldwide, Inc July 2011EQ 1GM BASE/VIAL, EQ 200MG BASE/VIALAP
Sun Pharmaceutical Industries Ltd July 2011EQ 1GM BASE/VIAL, EQ 200MG BASE/VIALAP
Teyro Labs Private Ltd July 2011EQ 1GM BASE/VIAL, EQ 200MG BASE/VIALAP
Jiangsu Hansoh Pharmaceutical Group Co Ltd May 2013EQ 1GM BASE/VIAL, EQ 200MG BASE/VIALAP
Sagent Pharmaceuticals Inc May 20131GM/26.3ML (38MG/ML), 2GM/52.6ML (38MG/ML), 200MG/5.26ML (38MG/ML), EQ 1GM BASE/VIAL, EQ 200MG BASE/VIALAP
Gland Pharma Ltd January 2016EQ 1GM BASE/VIAL, EQ 200MG BASE/VIALAP
Mylan Laboratories Ltd December 20171GM/26.3ML (38MG/ML), 2GM/52.6ML (38MG/ML), 200MG/5.26ML (38MG/ML)AP
Adaptis Pharma Private Ltd February 20191GM/26.3ML (38MG/ML), 2GM/52.6ML (38MG/ML), 200MG/5.26ML (38MG/ML), EQ 1GM BASE/VIAL, EQ 200MG BASE/VIALAP
Meitheal Pharmaceuticals Inc December 20201GM/26.3ML (38MG/ML), 2GM/52.6ML (38MG/ML), 200MG/5.26ML (38MG/ML)AP
Hikma Pharmaceuticals International Ltd March 20231GM/26.3ML (38MG/ML), 2GM/52.6ML (38MG/ML), 200MG/5.26ML (38MG/ML)AP
Teva Pharmaceuticals USA discontinued January 2011EQ 1GM BASE/VIAL, EQ 200MG BASE/VIAL–
Accord Healthcare Inc discontinued July 2011EQ 1GM BASE/VIAL, EQ 2GM BASE/VIAL, EQ 200MG BASE/VIAL–
Actavis Totowa LLC discontinued July 2011EQ 1GM BASE/VIAL, EQ 2GM BASE/VIAL, EQ 200MG BASE/VIAL–
Pharmobedient Consulting LLC discontinued July 2011EQ 1GM BASE/VIAL, EQ 2GM BASE/VIAL, EQ 200MG BASE/VIAL–
Hameln Rds GmbH discontinued September 2012EQ 1GM BASE/VIAL, EQ 200MG BASE/VIAL–
Emcure Pharmaceuticals Ltd discontinued September 2012EQ 1GM BASE/VIAL, EQ 200MG BASE/VIAL–
American Regent Inc discontinued May 2013EQ 1GM BASE/VIAL, EQ 200MG BASE/VIAL–
Actavis Inc discontinued April 20161GM/26.3ML (38MG/ML), 2GM/52.6ML (38MG/ML), 200MG/5.26ML (38MG/ML)–
Apotex Inc discontinued May 20171GM/26.3ML (38MG/ML), 2GM/52.6ML (38MG/ML), 200MG/5.26ML (38MG/ML)–
Ingenus Pharmaceuticals LLC discontinued February 20191GM/26.3ML (38MG/ML), 2GM/52.6ML (38MG/ML), 200MG/5.26ML (38MG/ML)–
Hikma International Pharmaceuticals LLC discontinued June 2021EQ 1GM BASE/VIAL, EQ 200MG BASE/VIAL–

Sources: how many companies have applied, from court records and company announcements; approved generics from the FDA Orange Book; tentative approvals from Drugs@FDA; what is for sale from the FDA NDC Directory. The FDA does not disclose an application before it approves it (21 CFR 314.430).

Inlexzo Price: What Pharmacies Pay and What Generics Usually Do

What a Generic Could Cost

How we estimate it. The national survey of what pharmacies pay (NADAC) has no recent price for Inlexzo, so we cannot show dollars. Here is the FDA’s finding of how far the price pharmacies pay usually falls as generic companies join: about 31% with one company, 44% with two, 73% with four and over 95% with six or more (the typical drop for every drug whose first generic came out from 2015 to 2017).

Median prices pharmacies paid for the generic (invoice prices), compared with the brand’s price before generic entry, from FDA’s 2019 analysis “Generic Competition and Drug Prices”. At the manufacturer’s price FDA found steeper drops (about 39%, 54%, 79% and over 95%), the figures quoted elsewhere on this tracker. A typical pattern, not a price quote for this medicine.

What Medicare and Medicaid Spend on Inlexzo

Big public spending is part of why generic makers line up for a medicine, and why its first generic matters beyond the pharmacy counter. Figures are before manufacturer rebates, which are confidential.

Medicare Part D Spending

What Medicare drug plans spent on Inlexzo, before manufacturer rebates.

$11.8M
January to March 2026, the latest CMS has posted
For 73 people, about $72,395 per prescription fill
$4.2M
2025, the whole year
For 29 people, about $71,321 per prescription fill
See the numbers
PeriodSpendingPeoplePer fill
January to March 2026$11,800,37173$72,394.91
2025$4,207,96029$71,321.36

Source: CMS Medicare Part D Spending by Drug, matched by the brand name Inlexzo only, so no generic is counted in it. What CMS says it is used for: This medication implant is used to treat a certain type of cancer (bladder cancer). It works by slowing or stopping the growth of cancer cells.

Inlexzo Strengths and Forms

StrengthFormHow it is takenApprovedStatus
EQ 225MG BASESystemIntravesicalSeptember 2025Prescription reference product

Source: FDA Orange Book, Janssen Biotech Inc. Listed for sale today by Janssen Biotech, Inc (FDA NDC Directory).

Inlexzo NDC Codes and Packages

Each Inlexzo package sold today has its own NDC, the product number printed on the box and on the pharmacy label. Open one to see that package’s details, what pharmacies pay for it and its patent timeline.

Inlexzo packages (2)
NDCProductPackageCompany
57894-0225-01GEMCITABINE 225 mg/1 systembox of 1 systemJanssen Biotech, Inc
57894-0225-99GEMCITABINE 225 mg/1 systembox of 1 systemJanssen Biotech, Inc

Source: the FDA NDC Directory, current listings only. Only packages sold under Inlexzo’s own FDA approval (NDA 219683) are listed, never a generic. Some codes belong to companies that repackage Inlexzo: it is the same medicine in a different package.

What a Generic Inlexzo Means for You

Nothing Changes Until It Is in Pharmacies

A generic is listed for sale now, so your pharmacy may already be able to fill your prescription with it.

Your Pharmacy May Switch You Automatically

Every state lets pharmacists fill a brand-name prescription with an FDA-approved generic rated as equivalent to it, and about 19 states require them to, unless your prescriber writes “dispense as written” or “brand medically necessary” on the prescription. Some states ask the pharmacist to tell you, or to get your OK first. A study of every state’s law has the details.

It Will Probably Look Different

US trademark law does not let a generic look exactly like the brand, so the color, shape or markings usually change. The active ingredient, strength and form are the same. An “authorized generic,” made by or for the brand’s own company, can look identical. The FDA explains.

Your Insurance May Change Too

Once a lower-cost version is available, many insurance plans charge more for the brand, or stop covering it. Your plan’s drug list (formulary) says how.

Questions people ask about Inlexzo

Is there a generic for Inlexzo right now?

Yes. The FDA NDC Directory lists a generic gemcitabine hydrochloride in some form from 14 companies. Ask your pharmacy whether it can fill your prescription with it.

When will Inlexzo go generic?

November 2038 is the expected month, and that is probable but not certain. It is when Inlexzo’s patent 12,636,300 ends. That patent covers a way of using it, and once it ends, generics can go on sale as soon as the FDA approves them.

Will generic gemcitabine hydrochloride be the same as Inlexzo?

Yes in the ways that matter: the same active ingredient, strength and form, with proof that it reaches your blood the same way. Inactive ingredients can differ, which is why some people notice a different look or taste.

How much will the generic cost?

Nobody can say for sure before launch. The FDA has already approved 13 companies to make a generic, and how many of them launch decides how far the price falls.

Has the FDA approved a generic Inlexzo?

Yes. The FDA Orange Book lists approved generic versions from 13 companies, the first approved in November 2010: Hospira Inc, Fresenius Kabi USA LLC, Dr Reddys Laboratories Ltd, Hospira Worldwide, Inc and 9 more. Approved is not the same as on sale: patents, a settlement or the company’s own plans can still hold a launch.

When does the Inlexzo patent expire?

The FDA Orange Book lists 6 patents for Inlexzo; the last runs to November 2038. The one behind the expected month is patent 12,636,300, which ends in November 2038. A patent date is not the launch date: settlements and court rulings often bring a generic earlier, and FDA approval or a company’s own plans can make it later. The expected month on this page (November 2038) weighs all of that.

Changes to This Projection

  • First generic expected November 2038 on this month’s schedule. A line is added here whenever a monthly update moves the month, the reason or how sure it is.

Every change to the expected month is logged here with the month we saw it.

Also Going Generic

All upcoming generics

About Inlexzo

Sources. The expected month: FDA Paragraph IV Patent Certifications list, federal court records, company announcements and securities filings (settlement dates, launch plans, sales). The record on this page: FDA Orange Book, Drugs@FDA (tentative approvals), FDA NDC Directory, CMS Medicare Part D Spending by Drug, FDA, Generic Competition and Drug Prices (2019). Updated October 9, 2026. Information, not medical advice.