THERAVANCE BIOPHARMA: Announces Sale of VIBATIV® (telavancin) to Cumberland Pharmaceuticals

Theravance Biopharma issued the following announcement on Nov. 6.

Theravance Biopharma, Inc. (NASDAQ: TBPH) ("Theravance Biopharma" or the "Company") announced the sale of its proprietary antibiotic, VIBATIV® (telavancin), to Cumberland Pharmaceuticals, Inc. (NASDAQ: CPIX), a specialty pharmaceutical company focused on the delivery of high-quality prescription brands to improve patient care. Under the terms of the agreement, Cumberland will pay Theravance Biopharma a total of $25 million and tiered royalties of up to 20% on future US net product sales.

VIBATIV is a once-daily, injectable lipoglycopeptide antibiotic approved in the US for the treatment of adult patients with hospital-acquired and ventilator-associated bacterial pneumonia (HABP/VABP) caused by susceptible isolates of S. aureus when alternative treatments are not suitable. In addition, VIBATIV is approved in the US for the treatment of adult patients with complicated skin & skin structure infections (cSSSI) caused by susceptible isolates of Gram-positive bacteria, including S. aureus, both methicillin-susceptible (MSSA) and methicillin-resistant (MRSA) strains. The product labeling also describes the use of VIBATIV in treating patients whose pneumonia or skin infection is complicated by concurrent bacteremia.

"This transaction with Cumberland Pharmaceuticals allows Theravance Biopharma to sharpen our focus on our most important strategic priorities, including preparations for the potential launch of YUPELRI™ (revefenacin) in COPD, if approved, plus executing on key pipeline programs," stated Rick E Winningham, chairman and chief executive officer at Theravance Biopharma. "VIBATIV plays an important role in the growing global battle against antibiotic resistance. As we continue our focus on important programs outside of the anti-infectives market, we determined that the product could be best supported by another party. We believe that Cumberland's track record of successfully marketing and selling hospital-based products combined with VIBATIV's existing base of hospital formulary inclusions positions them to drive commercial success for VIBATIV as a flagship product and ensures the important therapeutic benefits of VIBATIV reach as many patients as possible."

"VIBATIV is a lifesaving treatment for certain difficult to treat infections, and we are honored to be selected to acquire and transition the brand to our existing hospital acute care infrastructure," said A.J. Kazimi, chief executive officer of Cumberland Pharmaceuticals. "Our immediate plan for VIBATIV is to ensure a smooth transition of the product supply and medical support to current users of the brand. We will then launch our hospital promotion and medical initiatives to help ensure that the product is available to the patients who need it. We are very optimistic about the opportunity that VIBATIV will offer Cumberland."

The transaction is expected to close in mid-November, pending satisfaction of customary closing conditions.

Theravance Biopharma will provide additional remarks on its previously-scheduled third quarter 2018 earnings call today at 5:00pm ET, and call information is available here.

About VIBATIV® (telavancin)

VIBATIV® was discovered internally in a research program dedicated to finding new antibiotics for serious infections due to Staphylococcus aureus (S. aureus) and other Gram-positive bacteria, including MRSA and MSSA. VIBATIV is a once-daily, injectable lipoglycopeptide antibiotic with in vitro potency, bactericidal activity within six hours, and penetration into target infection sites. The drug is approved in the U.S. for the treatment of adult patients with hospital-acquired and ventilator-associated bacterial pneumonia (HABP/VABP) caused by susceptible isolates of S. aureus when alternative treatments are not suitable. In addition, VIBATIV is approved in the U.S. for the treatment of adult patients with complicated skin & skin structure infections (cSSSI) caused by susceptible isolates of Gram-positive bacteria, including S. aureus, both methicillin-susceptible (MSSA) and methicillin-resistant (MRSA) strains. The product labeling also describes the use of VIBATIV in treating patients whose pneumonia or skin infection is complicated by concurrent bacteremia.

The product's proven efficacy against difficult-to-treat Gram-positive infections has been demonstrated in several large, multinational registrational studies, which involved one of the largest cohorts of patients with S. aureus infections studied to date. Importantly, these studies demonstrated significantly higher cure rates for VIBATIV as compared to vancomycin in HABP/VABP due to any single Gram-positive pathogen or S. aureus with vancomycin MIC ≥1 µg/mL. Additionally, there is extensive and well-documented evidence of the drug's in vitro potency and in vivo activity against a broad collection of Gram-positive bacterial pathogens, including those that are considered difficult-to-treat and multidrug-resistant.

VIBATIV is also approved for marketing in Canada, Russia and Israel.

VIBATIV® (telavancin) Important Safety Information

Mortality

Patients with pre-existing moderate/severe renal impairment (CrCl ≤50 mL/min) who were treated with VIBATIV for hospital-acquired bacterial pneumonia/ventilator-associated bacterial pneumonia had increased mortality observed versus vancomycin. Use of VIBATIV in patients with pre-existing moderate/severe renal impairment (CrCl ≤50 mL/min) should be considered only when the anticipated benefit to the patient outweighs the potential risk.

Nephrotoxicity

New onset or worsening renal impairment occurred in patients who received VIBATIV. Renal adverse events were more likely to occur in patients with baseline comorbidities known to predispose patients to kidney dysfunction and in patients who received concomitant medications known to affect kidney function. Monitor renal function in all patients receiving VIBATIV prior to initiation of treatment, during treatment, and at the end of therapy. If renal function decreases, the benefit of continuing VIBATIV versus discontinuing and initiating therapy with an alternative agent should be assessed.

Fetal Risk

Women of childbearing potential should have a serum pregnancy test prior to administration of VIBATIV. Avoid use of VIBATIV during pregnancy unless the potential benefit to the patient outweighs the potential risk to the fetus. Adverse developmental outcomes observed in three animal species at clinically relevant doses raise concerns about potential adverse developmental outcomes in humans. If not already pregnant, women of childbearing potential should use effective contraception during VIBATIV treatment.

Contraindication

Intravenous unfractionated heparin sodium is contraindicated with VIBATIV administration due to artificially prolonged activated partial thromboplastin time (aPTT) test results for up to 18 hours after VIBATIV administration.

VIBATIV is contraindicated in patients with a known hypersensitivity to the drug.

Hypersensitivity Reactions

Serious and potentially fatal hypersensitivity reactions, including anaphylactic reactions, may occur after first or subsequent doses. VIBATIV should be used with caution in patients with known hypersensitivity to vancomycin.

Geriatric Use

Telavancin is substantially excreted by the kidney, and the risk of adverse reactions may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection in this age group.

Infusion Related Reactions

VIBATIV is a lipoglycopeptide antibacterial agent and should be administered over a period of 60 minutes to reduce the risk of infusion-related reactions. Rapid intravenous infusions of the glycopeptide class of antimicrobial agents can cause "Red-man Syndrome" like reactions including: flushing of the upper body, urticaria, pruritus, or rash.

QTc Prolongation

Caution is warranted when prescribing VIBATIV to patients taking drugs known to prolong the QT interval. In a study involving healthy volunteers, VIBATIV prolonged the QTc interval. Use of VIBATIV should be avoided in patients with congenital long QT syndrome, known prolongation of the QTc interval, uncompensated heart failure, or severe left ventricular hypertrophy.

Most Common Adverse Reactions

The most common adverse reactions (greater than or equal to 10% of patients treated with VIBATIV) were diarrhea, taste disturbance, nausea, vomiting, and foamy urine.

Full Prescribing Information, including Boxed Warning and Medication Guide in the U.S., is available at www.VIBATIV.com.

Original source can be found here.

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Organizations in this story

Theravance Biopharma 901 Gateway Boulevard South San Francisco, CA 94080