Xromi Patent Expiration

Xromi is a drug owned by Nova Laboratories Ltd. It is protected by 1 US drug patent filed in 2025 out of which none have expired yet. Based on its patents and exclusivities, its generic launch date is estimated to be Dec 23, 2041. Details of Xromi's patents and their expiration are given in the table below.

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Drug Patent Number Drug Patent Title Drug Patent Expiry Status
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US12409156 Stable Aqueous Hydroxycarbamide Solution
Dec, 2041

(15 years from now)

Active


A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Xromi's patents.

Given below is the list of recent legal activities going on the following patents of Xromi.

Activity Date Patent Number
Patent litigations
Recordation of Patent Grant Mailed 16 Sep, 2025 US12409156
Mail Patent eGrant Notification 09 Sep, 2025 US12409156
Recordation of Patent eGrant 09 Sep, 2025 US12409156
Patent Issue Date Used in PTA Calculation 09 Sep, 2025 US12409156
Patent eGrant Notification 09 Sep, 2025 US12409156
Email Notification 09 Sep, 2025 US12409156
Email Notification 28 Aug, 2025 US12409156
Issue Notification Mailed 27 Aug, 2025 US12409156
Application Is Considered Ready for Issue 20 Aug, 2025 US12409156
Dispatch to FDC 20 Aug, 2025 US12409156


FDA has granted several exclusivities to Xromi. Till the time these exclusivities are active, no other company can market a generic or bioequivalent version of Xromi, regardless of the status of it's patents. These exclusivities hence play a crucial role in delaying the generic launch. Given below are details of the exclusivities granted to Xromi.

Exclusivity Information

Xromi holds 2 exclusivities out of which none have expired. Its last outstanding exclusivity is set to expire in 2031. Details of Xromi's exclusivity codes and their expiration dates are given below.


Drug Exclusivity Drug Exclusivity Expiration
New Product(NP) Apr 04, 2027
Orphan Drug Exclusivity(ODE-470) Apr 04, 2031

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US patents provide insights into the exclusivity only within the United States, but Xromi is protected by patents in multiple countries. Understanding the full scope of patent protection is crucial in strategizing market entry. By looking at the broader patent landscape, you can identify markets with weaker patent protection which could be ideal generic entry points. The following section offers details on Xromi's family patents as well as insights into ongoing legal events on those patents.

Xromi's Family Patents


Family Patents

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Clinical Trials

Recent Clinical Trials on Xromi:

Sometimes companies keep conducting clinical trials even after the drug's approval to discover new formulations, methods of use, or new treatment indications, so they could file for additional patents or receive regulatory exclusivity extensions, such as pediatric exclusivity, potentially delaying generic competition. Based on these recent clinical trials, generic companies need to consider the potential for new intellectual property or regulatory hurdles. These strategic moves by the drug owner might delay generic substitution or lead to additional sales of the brand drug, even after patent expiry.

Title Lead Sponsor Collaborators Status Phases
Clinical Trials
A Phase 2 Open-label Study to Evaluate the Activity of Etavopivat on Transcranial Doppler Velocities in Pediatric Patients With Sickle Cell Disease Who Are at Increased Risk for Primary Stroke Forma Therapeutics, Inc. NA RECRUITING
(Sep 1, 2026)
PHASE2
A Study to Investigate the Efficacy and Safety of Crizanlizumab (5 mg/kg) Compared With Placebo in Adolescent and Adult Sickle Cell Disease Patients Who Experience Frequent Vaso-Occlusive Crises (SPARKLE) Novartis Pharmaceuticals NA RECRUITING
(Sep 1, 2026)
PHASE3
Hydroxyurea for Children and Young Adults With Sickle Cell Disease and Pulmonary Hypertension Ann & Robert H Lurie Children's Hospital of Chicago NA TERMINATED
(Aug 1, 2026)
PHASE1, PHASE2
Study of Two Doses of Crizanlizumab Versus Placebo in Adolescent and Adult Sickle Cell Disease Patients Novartis Pharmaceuticals NA ACTIVE NOT RECRUITING
(Aug 1, 2026)
PHASE3
Stroke Prevention With Hydroxyurea Enabled Through Research and Education (SPHERE) Children's Hospital Medical Center, Cincinnati NA ACTIVE NOT RECRUITING
(Aug 1, 2026)
PHASE2
Promoting Utilization and Safety of Hydroxyurea Using Precision in Africa Brown University NA RECRUITING
(Aug 1, 2026)
PHASE3
Bomedemstat vs Hydroxyurea for Essential Thrombocythemia (MK-3543-007) Merck Sharp & Dohme LLC NA ACTIVE NOT RECRUITING
(Aug 1, 2026)
PHASE3
Optimizing Hydroxyurea Dosage With Pharmakokinetic in Patients Suffering of Moderate to Severe Sickle Cell Anemia Yves Pastore NA RECRUITING
(Aug 1, 2026)
PHASE2, PHASE3
Pacritinib vs. Hydroxyurea in Advanced Proliferative Chronic Myelomonocytic Leukemia Theradex NA RECRUITING
(Aug 1, 2026)
PHASE2
A Phase 1 Study of OTS-412 (Recombinant Oncolytic Vaccinia Virus) in Treatment-refractory Solid Tumor Patients Bionoxx Inc. NA NOT YET RECRUITING
(Aug 1, 2026)
PHASE1
A Phase 1 Study of OTS-412 (Recombinant Oncolytic Vaccinia Virus) in Treatment-refractory Solid Tumor Patients (South Korea) Bionoxx Inc. NA RECRUITING
(Aug 1, 2026)
PHASE1
Efficacy and Safety of SIL-8301 for Control of Hemolysis in a Uniform Sickle Cell Disease Endotype Biossil Inc. NA RECRUITING
(Aug 1, 2026)
PHASE2
Ph I/II Study of Allogeneic SCT for Clinically Aggressive Sickle Cell Disease (SCD) University of Illinois at Chicago NA ACTIVE NOT RECRUITING
(Jul 1, 2026)
PHASE1, PHASE2
Optimizing Hydroxyurea Therapy in Children With Sickle Cell Anemia In Malaria Endemic Areas: The NOHARM Maximum Tolerated Dose (MTD) Study Children's Hospital Medical Center, Cincinnati NA RECRUITING
(Jul 1, 2026)
PHASE1, PHASE2
A Phase 2 Study to Assess STP938 (Dencatistat) as a Monotherapy in Adults With High Risk Essential Thrombocythaemia - The VECTRA Trial Step Pharma, SAS NA RECRUITING
(Jun 1, 2026)
PHASE2
Minocycline In Neurocognitive Outcomes - Sickle Cell Disease University of Cincinnati NA NOT YET RECRUITING
(May 1, 2026)
PHASE1
A Phase III Study of SYHA1813 for Recurrent or Progressive High-Grade Meningiomas Shanghai Runshi Pharmaceutical Technology Co., Ltd NA NOT YET RECRUITING
(May 1, 2026)
PHASE3
A Phase 1/2 Study of CPI-0610 With and Without Ruxolitinib in Patients With Hematologic and Myeloproliferative Malignancies Constellation Pharmaceuticals NA COMPLETED
(Apr 1, 2026)
PHASE1, PHASE2
Realizing Effectiveness Across Continents With Hydroxyurea Children's Hospital Medical Center, Cincinnati NA ACTIVE NOT RECRUITING
(Apr 1, 2026)
PHASE2
Tyrosine Kinase Inhibition to Treat Myeloid Hypereosinophilic Syndrome National Institute of Allergy and Infectious Diseases (NIAID) NA ACTIVE NOT RECRUITING
(Mar 4, 2026)
PHASE2
Study on Efficacy and Safety of Givinostat Versus Hydroxyurea in Patients With Polycythemia Vera Italfarmaco NA RECRUITING
(Mar 1, 2026)
PHASE3
Phase IIa Study of Flonoltinib Maleate Tablets in the Treatment of Patients With Polycythemia Vera Chengdu Zenitar Biomedical Technology Co., Ltd NA RECRUITING
(Mar 1, 2026)
PHASE2




Generic Launch

Generic Release Date:

Xromi's generic launch date based on the last expiry date of its patents and exclusivities combined is estimated to be Dec 23, 2041 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Xromi Generic API suppliers:

Hydroxyurea is the generic name for the brand Xromi. 6 different companies have already filed for the generic of Xromi, with Barr having the maximum number of approved applications. Check out the entire list of companies who have already received approval for Xromi's generic





About Xromi

Xromi is a drug owned by Nova Laboratories Ltd. Xromi uses Hydroxyurea as an active ingredient. Xromi was launched by Nova in 2024.

Approval Date:

Xromi was approved by FDA for market use on 04 April, 2024.

Active Ingredient:

Xromi uses Hydroxyurea as the active ingredient. Check out other Drugs and Companies using Hydroxyurea ingredient

Dosage:

Xromi is available in solution form for oral use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
100MG/ML SOLUTION Prescription ORAL