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Drugs
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ISSN (Print) 0012-6667 - ISSN (Online) 1179-1950
Published by Adis Homepage  [21 journals]
  • Current Concepts and Future Approaches in the Treatment of Cutaneous Lupus
           Erythematosus: A Comprehensive Review
    • Abstract: Standard treatment of cutaneous lupus erythematosus (CLE) includes preventive measures such as smoking cessation and photoprotection associated with topical therapies and antimalarial agents, which are recommended as first-line systemic treatment. In more severe disease, alternative therapeutic options include immunosuppressive and immunomodulatory drugs. Recently, the development of specific tools to assess CLE activity and the publication of European CLE guidelines have improved the management of CLE. Moreover, several biologic agents are currently being studied specifically in CLE or in systemic lupus erythematosus with assessment of skin involvement and may be promising therapies. However, improvement of the management of CLE remains a major unmet need. In this review, we summarize current concepts in the management of CLE as well as future approaches for more targeted treatments.
      PubDate: 2019-06-21
       
  • From DNA Sequencing to Clinical Trials: Finding New Targeted Drugs for
           Acute Myeloid Leukemia
    • Abstract: Acute myeloid leukemia (AML) is a heterogeneous disease characterized by clonal expansion of myeloid progenitor cells, resulting in disturbed hematopoiesis and bone marrow failure. For decades, AML therapy was relatively straightforward: clinicians assessed whether the patient was fit or unfit for standard chemotherapy and selected the treatment from among limited choices. With the advent of high-throughput sequencing technologies, significant progress has been made in unraveling the AML genome and understanding leukemogenesis driven by recurrent mutations in signaling and kinase pathways, DNA methylation, and spliceosome complex genes. We are now poised to see our research-based advances translate clinically into the treatment of patients with AML. As recently as within the last 2 years, the United States Food and Drug Administration (FDA) approved eight novel therapies for patients with AML. In this review, we discuss recently approved agents targeting fms-like tyrosine kinase 3 (FLT3), isocitrate dehydrogenase (IDH), B-cell lymphoma-2 (BCL-2), and other promising novel AML agents that are in late stages of clinical development.
      PubDate: 2019-06-20
       
  • Damoctocog Alfa Pegol: A Review in Haemophilia A
    • Abstract: Damoctocog alfa pegol (Jivi®) is approved in the USA, EU, Japan and Canada for the treatment and prophylaxis of previously treated patients aged ≥ 12 years with haemophilia A. Formulated with a 60 kDa polyethylene glycol (PEG) moiety, damoctocog alfa pegol is an intravenously (IV) administered recombinant factor VIII (rFVIII) product with a longer terminal half-life than non-PEGylated FVIII and rFVIII products. In the multinational phase II/III PROTECT VIII trial, prophylaxis with damoctocog alfa pegol reduced the likelihood of bleeding in previously treated patients aged ≥ 12 years with severe haemophilia A, with dosing schedules ranging from twice weekly to once every 7 days. Interim data from the ongoing extension phase indicated that the reduced annualized bleeding rates (ABRs) were maintained for up to 5.2 years of prophylaxis with damoctocog alfa pegol. Damoctocog alfa pegol was also effective in treating bleeding episodes and in providing haemostatic control during surgery. Damoctocog alfa pegol was generally well tolerated in adult and adolescent patients with severe haemophilia A, with most adverse events considered to be unrelated to treatment. There were no new or confirmed cases of FVIII inhibitor development and anti-PEG antibodies, observed in some patients, were of low titre and transient. Damoctocog alfa pegol extends the available treatment options in previously treated adults and adolescents with haemophilia A, offering the possibility of up to once-weekly administration for suitable patients.
      PubDate: 2019-06-19
       
  • Therapeutic Options for Mucopolysaccharidoses: Current and Emerging
           Treatments
    • Abstract: Mucopolysaccharidoses (MPS) are inborn errors of metabolism produced by a deficiency of one of the enzymes involved in the degradation of glycosaminoglycans (GAGs). Although taken separately, each type is rare. As a group, MPS are relatively frequent, with an overall estimated incidence of around 1 in 20,000–25,000 births. Development of therapeutic options for MPS, including hematopoietic stem cell transplantation (HSCT) and enzyme replacement therapy (ERT), has modified the natural history of many MPS types. In spite of the improvement in some tissues and organs, significant challenges remain unsolved, including blood–brain barrier (BBB) penetration and treatment of lesions in avascular cartilage, heart valves, and corneas. Newer approaches, such as intrathecal ERT, ERT with fusion proteins to cross the BBB, gene therapy, substrate reduction therapy (SRT), chaperone therapy, and some combination of these strategies may provide better outcomes for MPS patients in the near future. As early diagnosis and early treatment are imperative to improve therapeutic efficacy, the inclusion of MPS in newborn screening programs should enhance the potential impact of treatment in reducing the morbidity associated with MPS diseases. In this review, we evaluate available treatments, including ERT and HSCT, and future treatments, such as gene therapy, SRT, and chaperone therapy, and describe the advantages and disadvantages. We also assess the current clinical endpoints and biomarkers used in clinical trials.
      PubDate: 2019-06-17
       
  • Current Treatments and New Developments in the Management of
           Glucocorticoid-induced Osteoporosis
    • Abstract: Glucocorticoids (GCs) are often used for improvement of quality of life, particularly in the elderly, but long-term GC use may cause harm; bone loss and fractures are among the most devastating side effects. Fracture risk is particularly high in patients with a severe underlying disease with an urgent need for treatment with high-dose GCs. Moreover, it is important to realize that these patients suffer from an augmented background fracture risk as these patients have a high presence of traditional risk factors for osteoporosis, such as high age, low body mass index (BMI), smoking and relatives with osteoporosis or hip fractures. It is thus crucial for prevention of osteoporotic fractures to use the lowest dose of GC for a short period of time to prevent fractures. Another important task is optimal treatment of the underlying disease; for instance, fracture risk is higher in patients with active rheumatoid arthritis than in patients in whom rheumatoid arthritis is in remission. Thus, fracture risk is generally highest in the early phase, when GC dosage and the disease activity of the underlying disease are high. Finally, some of the traditional risk factors can be modulated, e.g., smoking and low BMI. Life-style measures, such as adequate amounts of calcium and vitamin D and exercise therapy are also crucial. In some patients, anti-osteoporotic drugs are also indicated. In general, oral bisphosphonates (BPs) are the first choice, because of their efficacy and safety combined with the low cost of the drug. However, for those patients who do not tolerate oral BPs, alternatives (“second-line therapies”) are available: BP intravenously (zoledronic acid), denosumab (Dmab), and teriparatide. Both zoledronic acid and Dmab have been proven to be superior to oral bisphosphonates like risedronate in improvement of bone mineral density. For teriparatide, vertebral fracture reduction has been shown in comparison with alendronate. Thus, to reduce the global burden of GC use and fracture risk, fracture risk management in GC users should involve at least involve life-style measures and the use of the lowest possible dose of GC. In high-risk patients, anti-osteoporotic drugs should be initiated. First choice drugs are oral BPs; however, in those with contraindications and those who do not tolerate oral BPs, second-line therapies should be started. Although this is a reasonable treatment algorithm, an unmet need is that the most pivotal (second-line) drugs are not used in daily clinical practice at the initial phase, usually characterized by high-dose GC and active underlying disease, when they are most needed. In some patients second-line drugs are started later in the disease course, with lower GC dosages and higher disease activity. As this is a paradox, we think it is a challenge for physicians and expert committees to develop an algorithm with clear indications in which specific patient groups second-line anti-osteoporotic drugs should or could be initiated as first-choice treatment.
      PubDate: 2019-06-14
       
  • Remogliflozin Etabonate: First Global Approval
    • Abstract: Remogliflozin, a selective sodium-glucose co-transporter subtype 2 (SGLT2) inhibitor, which is to be administered as remogliflozin etabonate (Remo™, Remozen™), the prodrug for remogliflozin, recently received its first approval as a treatment for type 2 diabetes mellitus (T2DM) in India. This article summarizes the milestones in the development of remogliflozin etabonate leading to this first approval for T2DM.
      PubDate: 2019-06-14
       
  • Artificial Pancreas: Current Progress and Future Outlook in the Treatment
           of Type 1 Diabetes
    • Abstract: Type 1 diabetes is characterised by insulin deficiency caused by autoimmune destruction of the pancreatic beta cells. The treatment of type 1 diabetes is exogenous insulin in the form of multiple daily injections or continuous subcutaneous insulin infusion. Advances in diabetes technology have been exponential in the past few decades, culminating in studies to develop an automated artificial pancreas, also known as the closed-loop system. This has recently led to a commercially available, hybrid artificial pancreas in the USA and Europe. This review article aims to provide an overview of the rationale for an artificial pancreas system and an update of the current state of artificial pancreas development. We explore the different types of artificial pancreas systems being studied, including the use of adjunctive therapy, and the use of these systems in different groups of users. In addition, we discuss the potential psychosocial impact and the challenges and limitations of implementing artificial pancreas use into clinical practice.
      PubDate: 2019-06-12
       
  • A Pharmacological Approach to Managing Inflammatory Bowel Disease During
           Conception, Pregnancy and Breastfeeding: Biologic and Oral Small Molecule
           Therapy
    • Abstract: The inflammatory bowel diseases commonly affect individuals during their peak reproductive years. Patients are often concerned about the impact of medical therapies on their ability to conceive, effect on the fetus, as well as the ability to breastfeed, which has led to poor medical adherence during pregnancy. However, most medications are safe, and discontinuation may lead to active disease, which is associated with adverse materno-fetal outcomes. The anti-TNF biologic therapies, infliximab and adalimumab have been extensively studied in the context of pregnancy. They are actively transferred to the placenta during the second and third trimesters; these have not been associated with an increased rate of congenital abnormalities or fetal death. The minimal amounts of drug that are transferred to breast milk are proteolyzed by the infant’s digestive system with no reported short- or long-term adverse effects. There is a paucity of clinical data for the other approved anti-TNF agents or newer anti-integrin (vedolizumab) and anti-interleukin (ustekinumab) therapies used in the management of inflammatory bowel disease; however, no significant safety signals have been documented thus far. The new oral small molecule therapy, tofacitinib is teratogenic in animal models and is contra-indicated in patients attempting pregnancy. It is important that patients, as well as physicians managing patients with these conditions, be aware of the impact of these medical therapies during pregnancy.
      PubDate: 2019-06-10
       
  • Sotagliflozin: First Global Approval
    • Abstract: Sotagliflozin (Zynquista™) is a dual inhibitor of sodium-glucose co-transporters (SGLT) 1 and 2 being developed by Lexicon Pharmaceuticals and Sanofi as a treatment for type 1 (T1DM) and type 2 diabetes mellitus (T2DM). The drug has a dual action, blunting and delaying absorption of glucose from the gastrointestinal tract and the reabsorption of glucose in the proximal tubule of the kidney, respectively. In the phase III inTandem clinical trial program in patients with T1DM, sotagliflozin as an adjunct to optimised insulin therapy produced a clinically meaningful reduction in HbA1c levels, but was associated with a higher incidence of diabetic ketoacidosis than placebo. Sotagliflozin was recently approved for use as an adjunct to insulin in T1DM in the EU. However, the FDA Endocrinologic and Metabolic Drugs Advisory Committee was divided, citing concerns regarding diabetic ketoacidosis, leading the FDA to issue an Complete Response Letter for this indication in the USA. This article summarizes the milestones in the development of sotagliflozin leading to this first approval in the EU as an adjunct to insulin in patients with T1DM with a body mass index ≥ 27 kg/m2 who have failed to achieve adequate glycaemic control despite optimal insulin therapy.
      PubDate: 2019-06-06
       
  • Recent Developments in LRRK2-Targeted Therapy for Parkinson’s
           Disease
    • Abstract: Kinase activating missense mutations in leucine-rich repeat kinase 2 (LRRK2) are pathogenically linked to neurodegenerative Parkinson’s disease (PD). Over the past decade, substantial effort has been devoted to the development of potent and selective small molecule inhibitors of LRRK2, as well as their preclinical testing across different Parkinson’s disease models. This review outlines the genetic and biochemical evidence that pathogenic missense mutations increase LRRK2 kinase activity, which in turn provides the rationale for the development of small molecule inhibitors as potential PD therapeutics. An overview of progress in the development of LRRK2 inhibitors is provided, which in particular indicates that highly selective and potent compounds capable of clinical utility have been developed. We outline evidence from rodent- and human-induced pluripotent stem cell models that support a pathogenic role for LRRK2 kinase activity, and review the substantial experiments aimed at evaluating the safety of LRRK2 inhibitors. We address challenges still to overcome in the translational therapeutic pipeline, including biomarker development and clinical trial strategies, and finally outline the potential utility of LRRK2 inhibitors for other genetic forms of PD and ultimately sporadic PD. Collective evidence supports the ongoing clinical translation of LRRK2 inhibitors as a therapeutic intervention for PD is greatly needed.
      PubDate: 2019-06-03
       
  • Siponimod: First Global Approval
    • Abstract: Siponimod (Mayzent®) is an oral selective sphingosine 1-phosphate receptor subtypes 1 and 5 (S1PR1,5) modulator being developed by Novartis Pharmaceuticals for the treatment of multiple sclerosis (MS) and intracerebral haemorrhage. In March 2019, siponimod received its first global approval in the USA, for the treatment of adults with relapsing forms of MS, including clinically isolated syndrome, relapsing-remitting disease and active secondary progressive disease. Siponimod is under regulatory review in the EU and Japan for secondary progressive MS. This article summarizes the milestone in the development of siponimod leading to this first global approval for MS in the USA.
      PubDate: 2019-05-29
       
  • Mechanism of Action and Clinical Attributes of Auryxia ® (Ferric
           Citrate)
    • Abstract: Chronic kidney disease (CKD) is a major cause of morbidity and premature mortality and represents a significant global public health issue. Underlying this burden are the many complications of CKD, including mineral and bone disorders, anemia, and accelerated cardiovascular disease. Hyperphosphatemia and elevated levels of fibroblast growth factor 23 (FGF23) have been identified as key independent risk factors for the adverse cardiovascular outcomes that frequently occur in patients with CKD. Auryxia® (ferric citrate; Keryx Biopharmaceuticals, Inc., Boston, MA, USA) is an iron-based compound with distinctive chemical characteristics and a mechanism of action that render it dually effective as a therapy in patients with CKD; it has been approved as a phosphate binder for the control of serum phosphate levels in adult CKD patients treated with dialysis and as an iron replacement product for the treatment of iron deficiency anemia in adult CKD patients not treated with dialysis. This review focuses on Auryxia, its mechanism of action, and the clinical attributes that differentiate it from other, non-pharmaceutical-grade, commercially available forms of ferric citrate and from other commonly used phosphate binder and iron supplement therapies for patients with CKD. Consistent with the chemistry and mechanism of action of Auryxia, multiple clinical studies have demonstrated its efficacy in both lowering serum phosphate levels and improving iron parameters in patients with CKD. Levels of FGF23 decrease significantly with Auryxia treatment, but the effects associated with the cardiovascular system remain to be evaluated in longer-term studies.
      PubDate: 2019-05-27
       
  • Fibrosis in Chronic Liver Disease: An Update on Diagnostic and Treatment
           Modalities
    • Abstract: Fibrosis is a common outcome of most chronic inflammatory diseases, characterized by the accumulation of excessive extracellular matrix components. Individuals with progressive liver fibrosis develop cirrhosis, are at risk of developing liver cancer, and may succumb to liver failure. Although a number of specific therapies for different diseases have been developed and successfully used, for example, direct antiviral agents in treatment for hepatitis C, effective and specific antifibrotic therapies are still not available. Liver biopsy remains the gold standard of staging liver fibrosis. However, transient elastography is increasingly being used in clinical trials and in hepatology clinics as part of standard-of-care evaluation because it is easy to use. Magnetic resonance (MR)-elastography is most accurate in evaluating fibrosis stage but is costly and time consuming and thus not readily available. Recent advances, however, have been made in areas of diagnostic and therapeutic modalities, with an increasing number of potential drugs currently in phase II and III trials, particularly in the field of non-alcoholic steatohepatitis-related liver fibrosis. These new drugs target multiple pathways involved in the pathogenesis of chronic liver disease, and we anticipate that some of them may soon be approved for use in patients.
      PubDate: 2019-05-22
       
  • Nutritional Psychiatry: From Concept to the Clinic
    • Abstract: The field of ‘nutritional psychiatry’ has evolved with rapidity over the past several years, with an increasing amount of dietary or nutrient-based (nutraceutical) intervention studies being initiated, and more preclinical and epidemiological data being available. This emergent paradigm involves the clinical consideration (where appropriate) of prescriptive dietary modification/improvement, and/or the select judicious use of nutrient-based supplementation to prevent or manage psychiatric disorders. In the last several years, significant links have increasingly been established between dietary quality and mental health (although not all data are supportive). Maternal and early-life nutrition may also affect the mental health outcomes in offspring. In respect to nutraceutical research, like with many recent conventional drug studies, results are fairly mixed across the board, and in many cases there is not emphatic evidence to support the use of nutraceuticals in various psychiatric disorders. This may in part be due to a preponderance of recent studies within the field revealing marked placebo effects. Due to current indicators pointing towards mental disorders having an increasing burden of disease, bold and innovative approaches on a societal level are now required. In light of the widespread use of nutrient supplements by those with and without mental disorders, it is also critical that scientifically rigorous methodologies be brought to bear on the assessment of the efficacy of these supplements, and to determine if, or what dose of, a nutrient supplement is required, for whom, and when, and under what circumstances. More simple studies of additional isolated nutrients are not of great benefit to the field (unless studied in supra-dosage in an individualised, biomarker-guided manner), nor, based on recent data, is the research of ‘shotgun’ formulations of nutraceuticals. The next critical step for the field is to design psychiatric interventional studies for both dietary modification and nutraceuticals, based on more of a personalised medicine approach, using biomarkers (e.g. nutrient deficiencies, inflammatory cytokine levels, genomic assessment, microbiome analysis) and a person’s dietary patterns and individual macro/micronutrient requirements.
      PubDate: 2019-05-21
       
  • Correction to: Pegaspargase: A Review in Acute Lymphoblastic Leukaemia
    • Abstract: The original article has been corrected.
      PubDate: 2019-05-17
       
  • Risankizumab: First Global Approval
    • Abstract: Risankizumab (Skyrizi®), a humanised IgG monoclonal antibody that targets the p19 subunit of IL-23, was developed by AbbVie in collaboration with Boehringer Ingelheim for the treatment of immunological and inflammatory disorders. In March 2019, risankizumab received its first global approval in Japan for the treatment of adults with psoriasis vulgaris, psoriatic arthritis, generalized pustular psoriasis and erythrodermic psoriasis. Risankizumab has also received approval in the USA, Canada and the EU for the treatment of moderate-to-severe plaque psoriasis, and is in phase 3 development for this indication as well as psoriatic arthritis in several countries worldwide. Phase 2 and 3 clinical evaluation of risankizumab is ongoing in several countries in the treatment of Crohn’s disease and ulcerative colitis. Risankizumab is also in phase 2 development for the treatment of atopic dermatitis globally. This article summarizes the milestones in the development of risankizumab leading to this first approval for psoriasis vulgaris, psoriatic arthritis, generalized pustular psoriasis and erythrodermic psoriasis.
      PubDate: 2019-05-17
       
  • Tafamidis: A Review in Transthyretin Amyloidosis with Polyneuropathy
    • Abstract: Transthyretin amyloidosis with polyneuropathy (ATTR-PN), a rare and progressive hereditary disorder, results from mutations in the gene coding for the transthyretin (TTR) protein that destabilize the protein’s tetrameric structure. In over 40 countries worldwide, tafamidis (Vyndaqel®) is approved for the treatment of TTR amyloidosis in adults with stage 1 symptomatic polyneuropathy, to delay peripheral neurological impairment. Tafamidis is administered orally once daily, as a soft capsule. Evidence from clinical studies, including an 18-month placebo-controlled trial and subsequent long-term, open-label extension studies (providing data from ≤ 6 years of treatment), indicate that tafamidis slowed deterioration of neurological function and maintained health-related quality of life in patients with early-stage ATTR-PN and the Val30Met mutation. TTR tetramers were stabilized in nearly all patients, and nutritional status was generally maintained or improved. Similar benefit was seen with tafamidis over 12 months in a noncomparative trial in patients with non-Val30Met ATTR-PN, although disease progression in this population (which was older and had had ATTR-PN for longer than Val30Met patients) became more notable with continued therapy in an extension study. Data for up to 10 years from large registry and referral centre studies support the long-term effectiveness and safety of tafamidis in delaying disease progression and conferring survival benefits in patients with stage 1 ATTR-PN. Tafamidis was generally well tolerated, with no new safety signals detected during the long-term trial or real-world experience. Thus, based on up to 10 years’ experience, tafamidis continues to be a valuable option in the treatment of early-stage ATTR-PN.
      PubDate: 2019-05-16
       
  • Peficitinib: First Global Approval
    • Abstract: Peficitinib [Smyraf® (Astellas Pharma)] is a Janus kinase (JAK)1, JAK2, JAK3 and tyrosine kinase (Tyk)2 (pan-JAK) inhibitor recently approved in Japan for the treatment of rheumatoid arthritis. Inhibition of JAK suppresses the activation of cytokine signalling pathways involved in inflammation and joint destruction in rheumatoid arthritis. Peficitinib has been shown to significantly improve ACR20 and other measures of disease severity and to reduce the mean modified total Sharp score change from baseline in clinical trials. This article summarizes the milestones in the development of peficitinib leading to this first approval as a treatment for rheumatoid arthritis in patients who have an inadequate response to conventional therapies.
      PubDate: 2019-05-15
       
  • Adverse Effects Associated with Long-Term Administration of Azole
           Antifungal Agents
    • Abstract: Azole antifungals are first-line options in the prophylaxis and treatment of invasive fungal infections. They are often used for prolonged (weeks to months) periods of time, particularly in patients with hematologic malignancies, or in those who have received a solid organ or hematopoietic stem cell transplant. Long-term use of azoles is associated with hepatotoxicity and hormone-related effects, including gynecomastia, alopecia, decreased libido, oligospermia, azoospermia, impotence, hypokalemia, hyponatremia, and (rarely) adrenal insufficiency. Voriconazole and posaconazole have been associated with peripheral neuropathies, and itraconazole and voriconazole with pancreatitis. In addition, voriconazole has been associated with periostitis, phototoxic reactions, and squamous cell carcinoma. Since many at-risk patients are commonly receiving multiple medications, it can be difficult for care providers to identify antifungal agent causality or contribution to patient symptoms. Knowledge and recognition of adverse events caused by azoles, leading to dose reduction or discontinuation, can generally reverse these adverse events.
      PubDate: 2019-05-15
       
  • Dacomitinib in the Management of Advanced Non-Small-Cell Lung Cancer
    • Abstract: The use of targeted therapy in the management of epidermal growth factor receptor (EGFR)-mutated non-small-cell lung cancer is an important milestone in the management of advanced lung cancer. There are several generations of EGFR tyrosine kinase inhibitors available for clinical use. Dacomitinib is a second-generation irreversible EGFR tyrosine kinase inhibitor with early-phase clinical studies showing efficacy in non-small-cell lung cancer. In the recently published ARCHER 1050 phase III study, dacomitinib given at 45 mg/day orally was superior to gefitinib, a first-generation reversible EGFR tyrosine kinase inhibitor, in improving both progression-free survival and overall survival when given as first-line therapy. There is no prospective evidence to support the use of dacomitinib as subsequent therapy in patients previously treated with chemotherapy or a first-generation EGFR tyrosine kinase inhibitor such as gefitinib and erlotinib. Dacomitinib has not demonstrated any benefit in unselected patients with non-small-cell lung cancer, and its use should be limited to those with known EGFR-sensitizing mutations. Dacomitinib is associated with increased toxicities of diarrhea, rash, stomatitis, and paronychia compared with first-generation EGFR inhibitors. Global quality of life was maintained when assessed in phase III studies. Overall, dacomitinib is an important first- line agent in EGFR-mutated non-small-cell lung cancer in otherwise fit patients whose toxicities can be well managed.
      PubDate: 2019-05-08
       
 
 
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