New Phase 3 Data Show TAK-620 (maribavir), an Investigational Drug for the Treatment of Transplant Recipients with Refractory/Resistant Cytomegalovirus (CMV) Infections, Meets Primary Endpoint

▴ New Phase 3 Data Show TAK-620 (maribavir), an Investigational Drug for the Treatment of Transplant Recipients with Refractory/Resistant Cytomegalovirus (CMV) Infections, Meets Primary Endpoint
Takeda Pharmaceutical Company Limited today announced top-line results from the Phase 3 clinical trial evaluating the efficacy and safety of the investigational drug TAK-620 (maribavir), in the treatment of transplant recipients with refractory/resistant cytomegalovirus (CMV) infection.

Takeda Pharmaceutical Company Limited today announced top-line results from the Phase 3 clinical trial evaluating the efficacy and safety of the investigational drug TAK-620 (maribavir), in the treatment of transplant recipients with refractory/resistant cytomegalovirus (CMV) infection. The TAK-620-303 (SOLSTICE) trial (NCT02931539) is a multicenter, randomized, open-label, active-controlled trial comparing eight weeks of treatment with either maribavir or investigator assigned treatment (IAT) in transplant recipients with CMV infection refractory or resistant to existing antiviral treatments (i.e., one or a combination of ganciclovir, valganciclovir, foscarnet or cidofovir).

 

The SOLSTICE trial met its primary endpoint, defined as the proportion of patients who achieved confirmed CMV viremia clearance compared to IAT at the end of Study week 8. In addition, the SOLSTICE trial met its key secondary endpoint, defined as achievement of CMV viremia clearance and symptom control at end of week 8, and maintained through week 16. No new safety signals were identified and maribavir was associated with a lower incidence of neutropenia compared to IAT. Takeda plans to submit the SOLSTICE data for presentation at an upcoming scientific meeting.1

 

“Achieving the primary endpoint of the SOLSTICE trial is an exciting new development in the search for a treatment for transplant recipients with refractory/resistant CMV infection. Today, transplant patients who do not respond or experience adverse events related to existing therapies may be at higher risk for complications from the virus, including transplant failure and death. Maribavir has the potential to redefine the management of post-transplant CMV infections by helping patients clear the virus with less treatment-limiting toxicities,” said Obi Umeh, MD, Vice President and Maribavir Global Program Leader, Takeda. “We look forward to discussing these data with global health authorities including the U.S. Food and Drug Administration and European Medicines Agency as we work to bring maribavir to patients.”

 

About CMV

CMV is a beta herpesvirus that commonly infects humans; serologic evidence of prior infection can be found in 40-100% of various adult populations. However, the serious disease may occur in individuals with compromised immune systems, which includes patients who received immunosuppressants associated with various types of transplants including hematopoietic stem cell transplants (HSCT) or solid organ transplants (SOT). CMV is a ubiquitous virus that typically resides latent and asymptomatic in the body but reactivates during periods of immunosuppression Out of the estimated 200,000 adult transplants per year, CMV is one of the most common viral infections experienced by transplant recipients, with an estimated incidence rate of around 8-75% in SOT recipients and 5-30% in HSCT recipients.

In transplant recipients, reactivation of CMV can lead to serious consequences including loss of the transplanted organ, and, in extreme cases, can be fatal. Existing therapies to treat post-transplant CMV infections may demonstrate toxicities that require dose-adjustments, need hospitalization for administration, or may fail to adequately suppress viral replication.11-13

About Maribavir

Maribavir, an orally bioavailable anti-CMV compound, is the only antiviral agent presently in Phase 3 development for the treatment of post-transplant patients with CMV in SOT or HSCT. Maribavir is an investigational treatment that has not been approved for use by the U.S. Food and Drug Administration (FDA), European Medicines Agency (EMA), or any other regulatory authorities.

 

Maribavir has been granted Orphan Drug Designation by the European Commission as a treatment of CMV disease in patients with impaired cell-mediated immunity and by the FDA for treatment of clinically significant CMV viremia and disease in at-risk patients. Orphan status is granted to certain investigational medicines intended for the treatment or prevention of a rare, life-threatening disease. The FDA has also granted maribavir Breakthrough Therapy Designation as a treatment for CMV infection and disease in transplant patients resistant or refractory to prior therapy.

Breakthrough Therapy Designation expedites the development and review of investigational treatments for serious conditions with preliminary clinical evidence indicating that the drug may demonstrate substantial improvement over available therapy. These designations do not guarantee that the EMA or FDA will approve maribavir for the treatment of CMV infections in transplant patients, and the timing of any such approval is uncertain.

About Takeda’s Maribavir Phase 2 Study

In the Phase 2 study in HSCT and SOT recipients with CMV infections refractory or resistant to ≥1 existing anti-CMV antiviral agents (valganciclovir, ganciclovir, or foscarnet), dysgeusia described as metallic or bitter tastes was the most common adverse event, followed by nausea, vomiting, and diarrhea. Neutropenia was reported in 11% and renal impairment in 16% of patients.

About Takeda Pharmaceutical Company Limited

Takeda Pharmaceutical Company Limited is a global, values-based, R&D-driven biopharmaceutical leader headquartered in Japan, committed to bringing Better Health and a Brighter Future to patients by translating science into highly-innovative medicines. Takeda focuses its R&D efforts on four therapeutic areas: Oncology, Rare Diseases, Neuroscience, and Gastroenterology (GI). We also make targeted R&D investments in Plasma-Derived Therapies and Vaccines. We are focusing on developing highly innovative medicines that contribute to making a difference in people's lives by advancing the frontier of new treatment options and leveraging our enhanced collaborative R&D engine and capabilities to create a robust, modality-diverse pipeline. Our employees are committed to improving the quality of life for patients and to working with our partners in health care in approximately 80 countries. For more information, visit https://www.takeda.com.

 

Important Notice

For the purposes of this notice, “press release” means this document, any oral presentation, any question and answer session and any written or oral material discussed or distributed by Takeda Pharmaceutical Company Limited (“Takeda”) regarding this release. This press release (including any oral briefing and any question-and-answer in connection with it) is not intended to and does not constitute, represent or form part of any offer, invitation, or solicitation of any offer to purchase, otherwise acquire, subscribe for, exchange, sell or otherwise dispose of, any securities or the solicitation of any vote or approval in any jurisdiction.

No shares or other securities are being offered to the public by means of this press release. No offering of securities shall be made in the United States except pursuant to registration under the U.S. Securities Act of 1933, as amended, or an exemption therefrom. This press release is being given (together with any further information which may be provided to the recipient) on the condition that it is for use by the recipient for information purposes only (and not for the evaluation of any investment, acquisition, disposal, or any other transaction). Any failure to comply with these restrictions may constitute a violation of applicable securities laws.

The companies in which Takeda, directly and indirectly, owns investments are separate entities. In this press release, “Takeda” is sometimes used for convenience where references are made to Takeda and its subsidiaries in general. Likewise, the words “we”, “us” and “our” are also used to refer to subsidiaries in general or to those who work for them. These expressions are also used where no useful purpose is served by identifying the particular company or companies.

Tags : #TakedaPharmaceuticals #Phase3ClinicalTrial #InvestigationalDrug #TAK-620 #SolsticeTrial #Maribavir #HSCT #IAT #NCT02931539 #cytomegalovirus

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