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Last Updated: February 15, 2025

CLINICAL TRIALS PROFILE FOR OMONTYS


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All Clinical Trials for Omontys

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00097747 ↗ Safety and Pharmacokinetics of Single Intravenous Doses of Peginesatide in Healthy Volunteers Completed Affymax Phase 1 2004-08-01 The purpose of this study is to evaluate the safety, pharmacokinetics (PK), and minimum pharmacologically active dose of peginesatide in Healthy Volunteers.
NCT00109291 ↗ Safety of Single Doses of Peginesatide in Patients With Chronic Kidney Disease Terminated Affymax Phase 2 2005-03-01 To evaluate the safety profile of single intravenous (IV) dose levels of peginesatide in participants with chronic kidney disease(CKD) not on dialysis.
NCT00228436 ↗ Safety, PD & PK of Multiple Doses of Peginesatide for Anemia in Chronic Kidney Disease Patients Completed Affymax Phase 2 2005-09-01 The purpose of this study was to evaluate the safety, pharmacodynamics (PD), and pharmacokinetics (PK) of multiple subcutaneous injections of peginesatide in participants with chronic kidney disease (CKD) not on dialysis who had not received erythropoiesis stimulating agent (ESA) treatment.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Omontys

Condition Name

Condition Name for Omontys
Intervention Trials
Anemia 17
Chronic Kidney Disease 14
Chronic Renal Failure 13
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Condition MeSH

Condition MeSH for Omontys
Intervention Trials
Anemia 15
Kidney Diseases 14
Renal Insufficiency, Chronic 14
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Clinical Trial Locations for Omontys

Trials by Country

Trials by Country for Omontys
Location Trials
United States 160
United Kingdom 10
Poland 5
Bulgaria 4
Romania 4
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Trials by US State

Trials by US State for Omontys
Location Trials
Texas 10
California 10
New York 8
Florida 8
Virginia 7
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Clinical Trial Progress for Omontys

Clinical Trial Phase

Clinical Trial Phase for Omontys
Clinical Trial Phase Trials
Phase 4 1
Phase 3 5
Phase 2 11
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Clinical Trial Status

Clinical Trial Status for Omontys
Clinical Trial Phase Trials
Completed 14
Terminated 4
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Clinical Trial Sponsors for Omontys

Sponsor Name

Sponsor Name for Omontys
Sponsor Trials
Affymax 16
Takeda 9
Amgen 1
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Sponsor Type

Sponsor Type for Omontys
Sponsor Trials
Industry 26
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Omontys (Peginesatide): A Comprehensive Review of Clinical Trials, Market Analysis, and Projections

Introduction

Omontys, also known as peginesatide, is an erythropoiesis-stimulating agent (ESA) developed by Affymax and Takeda Pharmaceutical Company for the treatment of anemia associated with chronic kidney disease (CKD). Here, we will delve into the clinical trials, market analysis, and the projections for this drug.

Clinical Trials Overview

Phase I and II Trials

The clinical development of Omontys began with a Phase I trial involving 49 healthy volunteers to assess the safety and pharmacokinetics of the drug. This trial, conducted from August 2004 to January 2005, indicated that peginesatide was effective in increasing reticulocyte counts in healthy volunteers[1].

Several Phase II studies were conducted to evaluate the safety and efficacy of Omontys in CKD patients. One notable Phase II study, started in January 2006, aimed to maintain hemoglobin levels in 40 CKD patients with antibody-mediated pure red cell aplasia. However, a Phase II trial for chemotherapy-induced anemia was suspended due to regulatory uncertainties regarding ESAs in oncology indications[1].

Phase III Trials

The pivotal Phase III trials, EMERALD 1 and 2, and PEARL 1 and 2, were crucial for the FDA approval of Omontys. These studies enrolled a total of 2,606 patients across 400 centers in the US and Europe.

  • EMERALD 1 and 2: These trials compared Omontys, administered once monthly, with epoetin alfa, dosed one-to-three times per week, in maintaining hemoglobin levels in CKD patients on dialysis. EMERALD 1 enrolled 803 patients, and EMERALD 2 enrolled 823 patients. Both studies demonstrated the efficacy of Omontys in maintaining hemoglobin levels[1][3].
  • PEARL 1 and 2: These trials compared Omontys with darbepoetin alfa in non-dialysis CKD patients. PEARL 1 enrolled 490 patients, and PEARL 2 enrolled 493 patients. These studies also showed that Omontys was effective in maintaining hemoglobin levels[1].

Post-Marketing Requirements

Following FDA approval, several post-marketing studies were mandated to evaluate the long-term safety and efficacy of Omontys. These included an observational study and a randomized controlled trial to assess cardiovascular safety, particularly in incident dialysis patients. Additionally, pediatric studies were planned with completion dates between 2016 and 2027[3].

FDA Approval and Market Launch

Approval and Launch

Omontys received FDA approval in March 2012 for the treatment of anemia associated with CKD in adult patients on dialysis. It was the first once-monthly ESA approved for this indication. Takeda and Affymax launched the drug in the US in April 2012, with Takeda responsible for marketing it in the European Union[1][3].

Market Impact

The approval of Omontys provided a significant therapeutic alternative to existing treatments, such as epoetin alfa and darbepoetin alfa, which were dosed more frequently. This once-monthly dosing regimen offered convenience and potentially improved patient compliance.

European Market Status

Application Withdrawal

Despite its approval in the US, the marketing authorization application for Omontys was withdrawn in Europe in June 2013. The European Medicines Agency (EMA) had concerns regarding the risk of death, heart and circulatory problems, and serious hypersensitivity reactions observed in some patients treated with Omontys. These concerns, coupled with issues related to the reliability of study data, led to the withdrawal of the application[4].

Safety Concerns and Market Withdrawal in the US

Hypersensitivity Reactions

In February 2013, Omontys was voluntarily withdrawn from the US market due to reports of serious hypersensitivity reactions, including fatal reactions, following the first dose. This decision was made after the FDA and the companies involved determined that the benefits of Omontys did not outweigh its risks[4].

Market Analysis

Competitive Landscape

The market for ESAs in treating anemia associated with CKD is competitive, with established players like Amgen (epoetin alfa) and Amgen/Janssen (darbepoetin alfa). The introduction of Omontys was expected to disrupt this market with its once-monthly dosing regimen, but its withdrawal due to safety concerns halted this potential[3].

Patient Population

Anemia is a common complication of CKD, affecting a significant portion of the approximately 400,000 patients on dialysis in the US as of 2009. Despite the initial promise, the withdrawal of Omontys left a gap in treatment options for these patients[3].

Projections and Future Outlook

Current Status

Given the withdrawal of Omontys from both the US and European markets, there are no current projections for its market performance. The drug's potential to become a dominant player in the ESA market was curtailed by the serious safety concerns identified post-approval.

Lessons Learned

The experience with Omontys highlights the importance of rigorous post-marketing surveillance and the need for ongoing safety evaluations even after FDA approval. It also underscores the challenges in developing and maintaining a safe and effective treatment for complex conditions like CKD-associated anemia.

Key Takeaways

  • Clinical Trials: Omontys underwent extensive clinical trials, including Phase III studies that demonstrated its efficacy in maintaining hemoglobin levels in CKD patients.
  • FDA Approval: Approved in March 2012 for CKD patients on dialysis, but later withdrawn due to safety concerns.
  • Market Impact: Initially offered a convenient once-monthly dosing regimen but was withdrawn from the market due to serious safety issues.
  • European Status: Marketing authorization application was withdrawn in Europe due to safety and data reliability concerns.
  • Future Outlook: No current market projections due to its withdrawal; serves as a case study for the importance of post-marketing safety surveillance.

FAQs

What is Omontys (peginesatide)?

Omontys is an erythropoiesis-stimulating agent (ESA) developed to treat anemia associated with chronic kidney disease (CKD).

Why was Omontys approved by the FDA?

Omontys was approved by the FDA in March 2012 based on Phase III trials (EMERALD 1 and 2) that demonstrated its safety and efficacy in maintaining hemoglobin levels in CKD patients on dialysis.

Why was Omontys withdrawn from the market?

Omontys was withdrawn from the US market in February 2013 due to reports of serious hypersensitivity reactions, including fatal reactions, following the first dose. Similar concerns led to the withdrawal of its marketing authorization application in Europe.

What were the key clinical trials for Omontys?

The key clinical trials included Phase III studies EMERALD 1 and 2, and PEARL 1 and 2, which compared Omontys with epoetin alfa and darbepoetin alfa, respectively.

What is the current market status of Omontys?

Omontys is no longer available on the market due to its withdrawal in both the US and Europe.

What lessons can be learned from the Omontys experience?

The experience highlights the importance of rigorous post-marketing surveillance and ongoing safety evaluations even after FDA approval, as well as the challenges in developing safe and effective treatments for complex conditions.

Sources

  1. Clinical Trials Arena: Omontys (peginesatide) – for Treatment of Anaemia Associated with Chronic Kidney Disease[1].
  2. FDA: 202799Orig1s000 Approv[2].
  3. Business Wire: Affymax and Takeda Announce FDA Approval of OMONTYS[3].
  4. European Medicines Agency: Omontys[4].

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