- Deal provides Cytokinetics with diversified access to capital as company advances its specialty cardiology franchise
NEW YORK and SOUTH SAN FRANCISCO, Calif., May 22, 2024 (GLOBE NEWSWIRE) — Royalty Pharma plc (Nasdaq: RPRX) and Cytokinetics, Incorporated (Nasdaq: CYTK) today announced they have entered into a strategic funding collaboration providing capital to support the commercialization of aficamten and advance the company’s expanding cardiovascular pipeline while diversifying access to capital as the company advances its muscle biology-directed specialty cardiology business.
“We are excited to support Cytokinetics as the company advances towards commercialization of aficamten,” said Pablo Legorreta, Royalty Pharma’s founder and Chief Executive Officer. “This is our third transaction with Cytokinetics and highlights our ability to structure creative, win-win funding solutions and underscores the breadth of our funding capabilities. Aficamten has demonstrated an impressive clinical profile in its pivotal Phase 3 study, and we believe it has the potential to significantly improve the lives of patients with HCM, if approved by the FDA.”
“We have enjoyed a longstanding relationship with Royalty Pharma and this expanded strategic collaboration reinforces our shared conviction in the value of our cardiac myosin focused pipeline of drug candidates,” said Robert I. Blum, Cytokinetics’ President and Chief Executive Officer. “This diversified access to capital from a trusted partner supports our launch of aficamten while also fortifying our capital structure and lowering our cost of capital as we become a sustainable company. We believe this deal delivers on stated objectives of advancing our later-stage portfolio of potential medicines alongside our goal of increasing shareholder value.”
“Both omecamtiv mecarbil and CK-586 represent strategic opportunities to expand our specialty cardiology pipeline in adjacent cardiovascular indications and help underserved patients,” said Fady I. Malik, M.D., Ph.D., Cytokinetics’ Executive Vice President of Research & Development. “Building on feedback from the FDA and EMA, we have designed a confirmatory Phase 3 clinical trial intended to replicate treatment effects previously observed with omecamtiv mecarbil among higher risk patients with heart failure with reduced ejection fraction. In addition, we look forward to advancing CK-586 to Phase 2 to further assess the pharmacology of cardiac myosin inhibition in sicker patients with heart failure with preserved ejection fraction.”
The transaction includes funding for planned commercialization, development funding, royalty restructuring and revenue sharing, and the purchase of Cytokinetics equity, together, affording Cytokinetics $250 million on closing and up to a total of $575 million to support the company’s further maturation and corporate development.
The key components of this strategic funding collaboration include:
1. Commercial launch funding: Cytokinetics to receive $50 million and is eligible to draw an additional $175 million within 12 months of approval of aficamten in oHCM; the capital will be repayable over 10 years in quarterly installments (totaling 1.9x).
2. Royalty restructuring: Royalty Pharma’s royalty on aficamten was restructured so that Royalty Pharma will now receive 4.5% up to $5.0 billion of annual net sales of aficamten and 1% above $5.0 billion of annual net sales compared to the prior 4.5% up to $1.0 billion of annual net sales and 3.5% above $1.0 billion of annual net sales.
3. Development funding: Cytokinetics will receive $100 million in upfront capital to fund a confirmatory Phase 3 clinical trial of omecamtiv mecarbil in patients with heart failure and reduced ejection fraction. If the Phase 3 clinical trial is positive and FDA approval is received within specified time frames, Royalty Pharma will receive fixed payments totaling $100 million following approval, as well as an incremental 2.0% royalty on annual net sales and/or fixed quarterly payments. If the Phase 3 trial is not successful or does not lead to FDA approval, Cytokinetics will repay Royalty Pharma up to $237.5 million over eighteen or twenty-two quarters, in fixed quarterly payments.
Development funding: Cytokinetics to receive $50 million in upfront capital to fund a proof-of-concept Phase 2 clinical trial for CK-586 in patients with heart failure and preserved ejection fraction and Royalty Pharma will have an option to invest up to an additional $150 million to fund Phase 3 development of CK-586, for which it would be eligible to receive a $150 million milestone payment upon FDA approval and a 4.5% royalty on annual net sales of CK-586.
If Royalty Pharma does not opt-in to fund Phase 3 development, Royalty Pharma will receive a 1.0% royalty on annual net sales of CK-586.
4. Equity Purchase: Royalty Pharma will purchase $50 million of Cytokinetics’ common stock in a private placement that will be concurrent with the underwritten public offering that Cytokinetics plans to launch today.
From these transactions, Cytokinetics anticipates receipt of up to $250 million in nearer-term funding. Together with its proforma cash at the end of the first quarter of 2024, this funding from Royalty Pharma enables Cytokinetics extended cash runway based on expected 2024 expenditures, inclusive of planned commercialization activities and expanded pipeline development programs.
Advisors
Goodwin Procter LLP, Fenwick & West LLP, Maiwald GmbH, and Wolf, Greenfield & Sacks, P.C., acted as legal advisors to Royalty Pharma. Cooley LLP and Morrison & Foerster LLP acted as legal advisors to Cytokinetics on the transactions. Evercore served as a financial advisor to Cytokinetics on the transactions.
About Aficamten
Aficamten is an investigational selective, small molecule cardiac myosin inhibitor discovered following an extensive chemical optimization program that was conducted with careful attention to therapeutic index and pharmacokinetic properties and as may translate into next-in-class potential in clinical development. Aficamten was designed to reduce the number of active actin-myosin cross bridges during each cardiac cycle and consequently suppress the myocardial hypercontractility that is associated with hypertrophic cardiomyopathy (HCM). In preclinical models, aficamten reduced myocardial contractility by binding directly to cardiac myosin at a distinct and selective allosteric binding site, thereby preventing myosin from entering a force producing state.
The development program for aficamten is assessing its potential as a treatment that improves exercise capacity and relieves symptoms in patients with HCM as well as its potential long-term effects on cardiac structure and function.
Aficamten was evaluated in SEQUOIA-HCM (Safety, Efficacy, and Quantitative Understanding of Obstruction Impact of Aficamten in HCM), a positive pivotal Phase 3 clinical trial in patients with symptomatic obstructive hypertrophic cardiomyopathy (HCM). Aficamten received Breakthrough Therapy Designation for the treatment of symptomatic obstructive HCM from the U.S. Food & Drug Administration (FDA) as well as the National Medical Products Administration (NMPA) in China. Cytokinetics expects to submit a New Drug Application (NDA) to the FDA in Q3 2024 and a Marketing Authorization Application (MAA) to the European Medicines Agency (EMA) in Q4 2024.
About Omecamtiv Mecarbil
Omecamtiv mecarbil is an investigational, selective, small molecule cardiac myosin activator, the first of a novel class of myotropes1 designed to directly target the contractile mechanisms of the heart, binding to and recruiting more cardiac myosin heads to interact with actin during systole. Omecamtiv mecarbil is designed to increase the number of active actin-myosin cross bridges during each cardiac cycle and consequently augment the impaired contractility that is associated with heart failure with reduced ejection fraction (HFrEF). Preclinical research has shown that omecamtiv mecarbil increases cardiac contractility without increasing intracellular myocyte calcium concentrations or myocardial oxygen consumption.2-4
The development program for omecamtiv mecarbil assessed its potential for the treatment of HFrEF. Positive results from GALACTIC-HF demonstrated a statistically significant effect of treatment with omecamtiv mecarbil to reduce risk of the primary composite endpoint of cardiovascular (CV) death or heart failure events (heart failure hospitalization and other urgent treatment for heart failure) compared to placebo in patients treated with standard of care Adverse events and treatment discontinuation of study drug were balanced between the treatment arms.
In February 2023, the U.S. Food and Drug Administration (FDA) issued a Complete Response Letter (CRL) regarding the New Drug Application (NDA) for omecamtiv mecarbil, stating that GALACTIC-HF was not sufficiently persuasive to establish substantial evidence of effectiveness for reducing the risk of heart failure events and cardiovascular death in adults with chronic heart failure with reduced ejection fraction, in lieu of evidence from at least two adequate and well-controlled clinical investigations. In May 2024, Cytokinetics withdrew the Marketing Authorization Application (MAA) from the European Medicines Agency (EMA) for omecamtiv mecarbil based on feedback from the Committee for Medicinal Products for Human Use (CHMP) indicating that the Committee would not be able to conclude that the benefits outweigh the risks on the basis of the results from GALACTIC-HF alone. Cytokinetics is planning to start an additional Phase 3 trial of omecamtiv mecarbil in Q4 2024 in advanced HFrEF patients with objective to confirm and elaborate on positive results previously observed in GALACTIC-HF.
About CK-4021586 (CK-586)
CK-4021586 (CK-586) is a novel, selective, oral, small molecule cardiac myosin inhibitor designed to reduce the hypercontractility associated with heart failure with preserved ejection fraction (HFpEF). In preclinical models, CK-586 reduced cardiac hypercontractility by decreasing the number of active myosin cross-bridges during cardiac contraction thereby reducing the contractile force, without effect on calcium transients. In some patients, HFpEF is a condition that resembles non-obstructive hypertrophic cardiomyopathy (HCM) in that the patients have higher ejection fractions, thickened walls of their heart, elevated biomarkers, and symptoms of heart failure. In a Phase 2 clinical trial in patients with non-obstructive HCM, aficamten, a cardiac myosin inhibitor also developed by the Company, was well tolerated, improved patient reported outcomes (Kansas City Cardiomyopathy Questionnaire (KCCQ) and New York Heart Association (NYHA) Functional Class) and biomarkers, measures that are also relevant to HFpEF, lending support for this mechanism of action in HFpEF.
The Phase 1 study of CK-586 met its primary endpoint and secondary objectives, demonstrating that CK-586 was safe and well-tolerated in healthy participants with linear pharmacokinetics. These data are supportive of advancing CK-586 to a Phase 2 clinical trial in patients with HFpEF which is expected to begin in Q4 2024.
About Royalty Pharma
Founded in 1996, Royalty Pharma is the largest buyer of biopharmaceutical royalties and a leading funder of innovation across the biopharmaceutical industry, collaborating with innovators from academic institutions, research hospitals and non-profits through small and mid-cap biotechnology companies to leading global pharmaceutical companies. Royalty Pharma has assembled a portfolio of royalties which entitles it to payments based directly on the top-line sales of many of the industry’s leading therapies. Royalty Pharma funds innovation in the biopharmaceutical industry both directly and indirectly – directly when it partners with companies to co-fund late-stage clinical trials and new product launches in exchange for future royalties, and indirectly when it acquires existing royalties from the original innovators. Royalty Pharma’s current portfolio includes royalties on more than 35 commercial products, including Vertex’s Trikafta, GSK’s Trelegy, Roche’s Evrysdi, Johnson & Johnson’s Tremfya, Biogen’s Tysabri and Spinraza, AbbVie and Johnson & Johnson’s Imbruvica, Astellas and Pfizer’s Xtandi, Novartis’ Promacta, Pfizer’s Nurtec ODT and Gilead’s Trodelvy, and 17 development-stage product candidates.
About Cytokinetics
Cytokinetics is a late-stage, specialty cardiovascular biopharmaceutical company focused on discovering, developing and commercializing first-in-class muscle activators and next-in-class muscle inhibitors as potential treatments for debilitating diseases in which cardiac muscle performance is compromised. As a leader in muscle biology and the mechanics of muscle performance, the company is developing small molecule drug candidates specifically engineered to impact myocardial muscle function and contractility. Cytokinetics is preparing for regulatory submissions for aficamten, its next-in-class cardiac myosin inhibitor, following positive results from SEQUOIA-HCM, the pivotal Phase 3 clinical trial in obstructive hypertrophic cardiomyopathy. Aficamten is also currently being evaluated in MAPLE-HCM, a Phase 3 clinical trial of aficamten as monotherapy compared to metoprolol as monotherapy in patients with obstructive HCM, ACACIA-HCM, a Phase 3 clinical trial of aficamten in patients with non-obstructive HCM, CEDAR-HCM, a clinical trial of aficamten in a pediatric population with obstructive HCM, and FOREST-HCM, an open-label extension clinical study of aficamten in patients with HCM. Cytokinetics is also developing omecamtiv mecarbil, a cardiac muscle activator, in patients with heart failure. Additionally, Cytokinetics is developing CK-586, a cardiac myosin inhibitor with a mechanism of action distinct from aficamten for the potential treatment of HFpEF, and CK-136, a cardiac troponin activator for the potential treatment HFrEF and other types of heart failure, such as right ventricular failure resulting from impaired cardiac contractility.
For additional information about Cytokinetics, visit www.cytokinetics.com.
Royalty Pharma Forward-Looking Statements
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Cytokinetics Forward-Looking Statements
This press release contains forward-looking statements for purposes of the Private Securities Litigation Reform Act of 1995 (the “Act”). Cytokinetics disclaims any intent or obligation to update these forward-looking statements and claims the protection of the Act’s Safe Harbor for forward-looking statements. Examples of such statements include, but are not limited to: statements relating to the timing or availability of additional sale proceeds or loan disbursements from Royalty Pharma; Cytokinetics’ research and development and commercialization activities; anticipated cash runway, and the properties and potential benefits of Cytokinetics’ drug candidates. Such statements are based on management’s current expectations, but actual results may differ materially due to various risks and uncertainties, including, but not limited to, potential difficulties or delays in the development, testing, regulatory approvals for trial commencement, progression or product sale or manufacturing, or production of Cytokinetics’ drug candidates that could slow or prevent clinical development or product approval; patient enrollment for or conduct of clinical trials may be difficult or delayed; Cytokinetics’ drug candidates may have adverse side effects or inadequate therapeutic efficacy; the FDA or foreign regulatory agencies may delay or limit Cytokinetics’ ability to conduct clinical trials; Cytokinetics may be unable to obtain or maintain patent or trade secret protection for its intellectual property; standards of care may change, rendering Cytokinetics’ drug candidates obsolete; competitive products or alternative therapies may be developed by others for the treatment of indications Cytokinetics’ drug candidates and potential drug candidates may target; and risks and uncertainties relating to the timing and receipt of payments from its partners. For further information regarding these and other risks related to Cytokinetics’ business, investors should consult Cytokinetics’ filings with the Securities and Exchange Commission, particularly under the caption “Risk Factors” in Cytokinetics’ latest Quarterly Report on Form 10-Q.
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Royalty Pharma Investor Relations and Communications
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ir@royaltypharma.com
Cytokinetics Contact
Diane Weiser
SVP, Corporate Affairs
415-290-7757
References:
- Psotka MA, Gottlieb SS, Francis GS et al. Cardiac Calcitropes, Myotropes, and Mitotropes. JACC. 2019; 73:2345-53.
- Planelles-Herrero VJ, Hartman JJ, Robert-Paganin J. et al. Mechanistic and structural basis for activation of cardiac myosin force production by omecamtiv mecarbil. Nat Commun. 2017;8:190.
- Shen YT, Malik FI, Zhao X, et al. Improvement of cardiac function by a cardiac myosin activator in conscious dogs with systolic heart failure. Circ Heart Fail. 2010; 3: 522-27.
- Malik FI, Hartman JJ, Elias KA, Morgan BP, Rodriguez H, Brejc K, Anderson RL, Sueoka SH, Lee KH, Finer JT, Sakowicz R. Cardiac myosin activation: a potential therapeutic approach for systolic heart failure. Science. 2011 Mar 18;331(6023):1439-43.
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