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Asai Y, Sato T, Kito D, Yamamoto T, Hioki I, Urata Y, Abe Y. Combination therapy of midodrine and droxidopa for refractory hypotension in heart failure with preserved ejection fraction per a pharmacist's proposal: a case report. J Pharm Health Care Sci 2021; 7:10. [PMID: 33653416 PMCID: PMC7927230 DOI: 10.1186/s40780-021-00193-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 02/11/2021] [Indexed: 11/30/2022] Open
Abstract
Background Patients with chronic heart failure (CHF) are often treated using many diuretics for symptom relief; however, diuretic use may have to continue despite hypotension development in these patients. Here, we present a case of heart failure with preserved ejection fraction (HFpEF), which is defined as ejection fraction ≥50% in CHF, and refractory hypotension, which was treated with midodrine and droxidopa to normalize blood pressure. Case presentation The patient was a 62-year-old man with a history of HFpEF due to mitral regurgitation and complaints of dyspnea on exertion. He had been prescribed multiple medications at an outpatient clinic for CHF management, including azosemide 60 mg/day, bisoprolol 2.5 mg/day, enalapril 2.5 mg/day, spironolactone 50 mg/day, and tolvaptan 15 mg/day. The systolic blood pressure (SBP) of the patient remained at 70–80 mmHg because the use of the diuretic could not be reduced or discontinued owing to edema and weight gain. He was hospitalized for the exacerbation of CHF. Although midodrine 8 mg/day was administered to improve hypotension, the SBP of the patient increased only up to 90 mmHg. On the 35th day after hospitalization, the urine volume decreased significantly (< 100 mL/day) due to hypotension. When droxidopa 200 mg/day replaced intravenous noradrenaline on the 47th day, the SBP remained at 100–120 mmHg and the urine volume increased. Conclusions Oral combination treatment with midodrine and droxidopa might contribute to the maintenance of blood pressure and diuretic activity in HFpEF patients with refractory hypotension. However, further long-term studies evaluating the safety and efficacy of this combination therapy for patients with HFpEF are needed.
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Affiliation(s)
- Yuki Asai
- Pharmacy, National Hospital Organization Mie Chuo Medical Center, 2158-5 Hisaimyojincho, Tsu, Mie, 514-1101, Japan.
| | - Tomoaki Sato
- Department of Cardiovascular Surgery, National Hospital Organization Mie Chuo Medical Center, 2158-5 Hisaimyojincho, Tsu, Mie, 514-1101, Japan
| | - Daisuke Kito
- Pharmacy, National Hospital Organization Mie Chuo Medical Center, 2158-5 Hisaimyojincho, Tsu, Mie, 514-1101, Japan
| | - Takanori Yamamoto
- Pharmacy, National Hospital Organization Mie Chuo Medical Center, 2158-5 Hisaimyojincho, Tsu, Mie, 514-1101, Japan
| | - Iwao Hioki
- Department of Cardiovascular Surgery, National Hospital Organization Mie Chuo Medical Center, 2158-5 Hisaimyojincho, Tsu, Mie, 514-1101, Japan
| | - Yasuhisa Urata
- Department of Cardiovascular Surgery, National Hospital Organization Mie Chuo Medical Center, 2158-5 Hisaimyojincho, Tsu, Mie, 514-1101, Japan
| | - Yasuharu Abe
- Pharmacy, National Hospital Organization Mie Chuo Medical Center, 2158-5 Hisaimyojincho, Tsu, Mie, 514-1101, Japan
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Olshansky B, Muldowney J. Cardiovascular Safety Considerations in the Treatment of Neurogenic Orthostatic Hypotension. Am J Cardiol 2020; 125:1582-1593. [PMID: 32204870 DOI: 10.1016/j.amjcard.2020.01.037] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 01/18/2020] [Accepted: 01/22/2020] [Indexed: 12/17/2022]
Abstract
Neurogenic orthostatic hypotension (nOH), a drop in blood pressure upon standing resulting from autonomic malfunction, may cause debilitating symptoms that can affect independence in daily activities and quality-of-life. nOH may also be associated with cardiovascular comorbidities (e.g., supine hypertension, heart failure, diabetes, and arrhythmias), making treatment decisions complicated and requiring management that should be based on a patient's cardiovascular profile. Additionally, drugs used to treat the cardiovascular disorders (e.g., vasodilators, β-blockers) can exacerbate nOH and concomitant symptoms. When orthostatic symptoms are severe and not effectively managed with nonpharmacologic strategies (e.g., water ingestion, abdominal compression), droxidopa or midodrine may be effective. Droxidopa may be less likely than midodrine to exacerbate supine hypertension, based on conclusions of a limited meta-analysis. In conclusion, treating nOH in patients with cardiovascular conditions requires a balance between symptom relief and minimizing adverse outcomes.
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Pérez-Lloret S, Quarracino C, Otero-Losada M, Rascol O. Droxidopa for the treatment of neurogenic orthostatic hypotension in neurodegenerative diseases. Expert Opin Pharmacother 2019; 20:635-645. [PMID: 30730771 DOI: 10.1080/14656566.2019.1574746] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
INTRODUCTION L-threo-3,4-dihydroxyphenylserine (droxidopa), a pro-drug metabolized to norepinephrine in nerve endings and other tissues, has been commercially available in Japan since 1989 for treating orthostatic hypotension symptoms in Parkinson's disease (PD) patients with a Hoehn & Yahr stage III rating, as well as patients with Multiple System Atrophy (MSA), familial amyloid polyneuropathy, and hemodialysis. Recently, the FDA has approved its use in symptomatic neurogenic orthostatic hypotension (NOH). Areas covered: The authors review the effects of droxidopa in NOH with a focus on the neurodegenerative diseases PD, MSA, and pure autonomic failure (PAF). Expert opinion: A few small and short placebo-controlled clinical trials in NOH showed significant reductions in the manometric drop in blood pressure (BP) after posture changes or meals. Larger Phase III studies showed conflicting results, with two out of four trials meeting their primary outcome and thus suggesting a positive yet short-lasting effect of the drug on OH Questionnaire composite score, light-headedness/dizziness score, and standing BP during the first two treatment-weeks. Results appear essentially similar in PD, MSA, and PAF. The FDA granted droxidopa approval in the frame of an 'accelerated approval program' provided further studies are conducted to assess its long-term effects on OH symptoms.
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Affiliation(s)
- Santiago Pérez-Lloret
- a Instituto de Investigaciones Cardiológicas , University of Buenos Aires, National Research Council (ININCA-UBA-CONICET) , Buenos Aires , Argentina.,b Department of Physiology , School of Medicine, University of Buenos Aires (UBA) , Buenos Aires , Argentina
| | - Cecilia Quarracino
- a Instituto de Investigaciones Cardiológicas , University of Buenos Aires, National Research Council (ININCA-UBA-CONICET) , Buenos Aires , Argentina
| | - Matilde Otero-Losada
- a Instituto de Investigaciones Cardiológicas , University of Buenos Aires, National Research Council (ININCA-UBA-CONICET) , Buenos Aires , Argentina
| | - Olivier Rascol
- c Services de Pharmacologie Clinique et Neurosciences, Centre d'Investigation Clinique CIC 1436, NS-Park/FCRIN Network, NeuroToul COEN Center , Université de Toulouse UPS, CHU de Toulouse, INSERM , Toulouse , France
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McCullough PA. Treatment of Orthostatic Hypotension Due to Autonomic Dysfunction (Neurogenic Orthostatic Hypotension) in a Patient with Cardiovascular Disease and Parkinson's Disease. Cardiol Ther 2019; 8:145-150. [PMID: 30627953 PMCID: PMC6525217 DOI: 10.1007/s40119-018-0124-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION The prevalence of neurogenic orthostatic hypotension (nOH) increases with age and is associated with autonomic failure in neurodegenerative diseases (e.g., Parkinson's disease). Symptoms can interfere with daily activities that require standing or walking and can increase risk of falls and related morbidity. Many patients with nOH have or develop cardiovascular comorbidities that can predate nOH symptoms or may arise as a result of autonomic dysregulation. In this report, we describe a complicated case of a patient with cardiovascular disease and Parkinson's disease who presented with orthostatic symptoms. CASE REPORT A 78-year-old man with a history of coronary heart disease, class III heart failure, cardiac cachexia, long-standing persistent atrial fibrillation (AF), Hodgkin's lymphoma, and Parkinson's disease presented with weakness, dizziness, presyncope, fatigue, and inability to stand. Orthostatic blood pressure (BP) measurements revealed a seated BP of 120/70 mmHg that decreased to 60/40 mmHg upon standing, accompanied by a slight increase in heart rate from 70 to 74 beats per minute. He was diagnosed with nOH and prescribed droxidopa (titrated to 600 mg three times daily). Treatment with droxidopa improved the patient's ability to stand and his orthostatic BP. CONCLUSION Droxidopa is approved by the US Food and Drug Administration to treat symptomatic nOH and is not contraindicated in patients with cardiovascular conditions. In this case, treatment with droxidopa improved the patient's orthostatic tolerance and, importantly, did not change the patient's rate-controlled AF or his symptoms of class IV heart failure. Because symptoms associated with nOH can be detrimental to patient safety and mobility, it is critical to screen for and treat patients with nOH, even when there are cardiovascular comorbidities. FUNDING Editorial support and article processing charges were funded by Lundbeck. Plain language summary available for this article.
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Malik M. Methods of Subject-Specific Heart Rate Corrections. J Clin Pharmacol 2018; 58:1020-1024. [PMID: 29873807 DOI: 10.1002/jcph.1269] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 05/15/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Marek Malik
- National Heart and Lung Institute, Imperial College, London, UK
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Turner JR, Rodriguez I, Mantovani E, Gintant G, Kowey PR, Klotzbaugh RJ, Prasad K, Sager PT, Stockbridge N, Strnadova C. Drug-induced Proarrhythmia and Torsade de Pointes: A Primer for Students and Practitioners of Medicine and Pharmacy. J Clin Pharmacol 2018; 58:997-1012. [PMID: 29672845 DOI: 10.1002/jcph.1129] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 03/05/2018] [Indexed: 12/11/2022]
Abstract
Multiple marketing withdrawals due to proarrhythmic concerns occurred in the United States, Canada, and the United Kingdom in the late 1980s to early 2000s. This primer reviews the clinical implications of a drug's identified proarrhythmic liability, the issues associated with these safety-related withdrawals, and the actions taken by the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) and by regulatory agencies in terms of changing drug development practices and introducing new nonclinical and clinical tests to asses proarrhythmic liability. ICH Guidelines S7B and E14 were released in 2005. Since then, they have been adopted by many regional regulatory authorities and have guided nonclinical and clinical proarrhythmic cardiac safety assessments during drug development. While this regulatory paradigm has been successful in preventing drugs with unanticipated potential for inducing the rare but potentially fatal polymorphic ventricular arrhythmia torsade de pointes from entering the market, it has led to the termination of drug development programs for other potentially useful medicines because of isolated results from studies with limited predictive value. Research efforts are now exploring alternative approaches to better predict potential proarrhythmic liabilities. For example, in the domain of human electrocardiographic assessments, concentration-response modeling conducted during phase 1 clinical development has recently become an accepted alternate primary methodology to the ICH E14 "thorough QT/QTc" study for defining a drug's corrected QT interval prolongation liability under certain conditions. When a drug's therapeutic benefit is considered important at a public health level but there is also an identified proarrhythmic liability that may result from administration of the single drug in certain individuals and/or drug-drug interactions, marketing approval will be accompanied by appropriate directions in the drug's prescribing information. Health-care professionals in the fields of medicine and pharmacy need to consider the prescribing information in conjunction with individual patients' clinical characteristics and concomitant medications when prescribing and dispensing such drugs.
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Affiliation(s)
- J Rick Turner
- Campbell University College of Pharmacy & Health Sciences, Buies Creek, NC, USA
| | - Ignacio Rodriguez
- Cardiac Safety Research Consortium, Roche TCRC, Inc., New York, NY, USA
| | - Emily Mantovani
- Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ, USA
| | | | - Peter R Kowey
- Lankenau Heart Institute and Jefferson Medical College, Philadelphia, PA, USA
| | - Ralph J Klotzbaugh
- College of Nursing and Health Sciences, University of Massachusetts Boston, Boston, MA, USA
| | - Krishna Prasad
- Medicines and Healthcare Products Regulatory Agency, London, UK
| | - Philip T Sager
- Sager Consulting and Stanford University, San Francisco, CA, USA
| | - Norman Stockbridge
- Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, USA
| | - Colette Strnadova
- Therapeutic Products Directorate, Health Canada, Ottawa, Ontario, Canada
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