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History of the discovery, development, and FDA-approval of buprenorphine medications for the treatment of opioid use disorder.

Buprenorphine-based medications were first approved by the United States Food and Drug Administration in 2002 for the treatment of opioid dependence, or opioid use disorder (OUD) as the condition is presently known. This regulatory milestone was the outcome of 36 years of research and development, which also led to the development and approval of several other new buprenorphine-based medications. In this short review, we first describe the discovery and early development stages of buprenorphine. Second, we review key steps that led to the development of buprenorphine as a drug product. Third,

Exploring differences in drug doses between Japan and Western countries.

Japan is unique among Asian countries in that it requires inclusion of substantial domestic clinical trial data in new drug application data packages. Some question the need for this and call for globalization of approved doses. The current study examines international differences in maximum daily dose of drugs approved in Japan between 2001 and 2007, and for all cardiovascular system (CVS) and central nervous system (CNS) drugs marketed in Japan. For 32% of the drugs approved in Japan between 2001 and 2007, the maximum recommended dose in the United States was > or =2 times higher than the ma

Biomarkers: Opportunities and Challenges for Drug Development in the Current Regulatory Landscape.

Biomarkers are widely used at every stage of drug discovery and development. Utilisation of biomarkers has a potential to make drug discovery, development and approval processes more efficient. An overview of the current global regulatory landscape is presented in this article with particular emphasis on the validation and qualification of biomarkers, as well as legal framework for companion diagnostics. Furthermore, this article shows how the number of approved drugs with at least 1 biomarker used during development (biomarker acceptance) is affected by the recent advances in the biomarker re

Overcoming obstacles to repurposing for neurodegenerative disease.

Repurposing Food and Drug Administration (FDA)-approved drugs for a new indication may offer an accelerated pathway for new treatments to patients but is also fraught with significant commercial, regulatory, and reimbursement challenges. The Alzheimer's Drug Discovery Foundation (ADDF) and the Michael J. Fox Foundation for Parkinson's Research (MJFF) convened an advisory panel in October 2013 to understand stakeholder perspectives related to repurposing FDA-approved drugs for neurodegenerative diseases. Here, we present opportunities on how philanthropy, industry, and government can begin to a

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… Adaptive licensing: taking the next step in the evolution of drug approval. Clin Pharmacol Ther. 2012;91:426–437. doi: 10.1038/clpt.2011.345. …

Drug Repurposing for Viral Infectious Diseases: How Far Are We?

Despite the recent advances in controlling some viral pathogens, most viral infections still lack specific treatment. Indeed, the need for effective therapeutic strategies to combat 'old', emergent, and re-emergent viruses is not paralleled by the approval of new antivirals. In the past years, drug repurposing combined with innovative approaches for drug validation, and with appropriate animal models, significantly contributed to the identification of new antiviral molecules and targets for therapeutic intervention. In this review, we describe the main strategies of drug repurposing in antivir

Zastaprazan: First Approval.

Zastaprazan (JAQBO®) is a next-generation potassium-competitive acid blocker being developed by Onconic Therapeutics, a subsidiary of Jeil Pharmaceutical, for the treatment of acid-related diseases. Zastaprazan binds directly to proton pumps in a competitive manner to reduce gastric acid secretion, allowing for a quick onset of action. On 24 April 2024, zastaprazan received approval in South Korea for the treatment of erosive gastroesophageal reflux disease (GERD). Zastaprazan is also undergoing phase III development for the treatment of gastric ulcer and for the prevention of non-steroidal an

Rimegepant: First Approval.

The orally disintegrating tablet (ODT) formulation of rimegepant (NURTEC ODT®) is a small molecule, highly-selective, calcitonin gene-related peptide antagonist that was developed by Biohaven Pharmaceutical Holding Company Ltd as an acute treatment for migraine. A conventional tablet formulation of the drug is being investigated for the acute treatment (under FDA review in the USA) and prevention of migraine and the treatment of refractory trigeminal neuralgia. In February 2020, rimegepant ODT received its first global approval in the USA for the acute treatment of migraine (± aura) in adults.

US Food and Drug Administration regulatory reviewer disagreements and postmarket safety actions among new therapeutics.

OBJECTIVES: To examine the association between regulatory reviewer disagreements and postmarket safety actions among novel therapeutics approved by the US Food and Drug Administration (FDA) between 2011 and 2015. Disagreements among FDA reviewers regarding the recommendation for a novel therapeutic's approval, its safety, the indicated patient population and/or other parameters of the drug's approval are common. However, the implications of such disagreements-particularly with respect to postmarket safety actions-are poorly understood. DESIGN: Cross-sectional study. SETTING: All novel therap

Robotic Spine Surgery: Past, Present, and Future.

STUDY DESIGN: Systematic review. OBJECTIVE: The aim of this review is to present an overview of robotic spine surgery (RSS) including its history, applications, limitations, and future directions. SUMMARY OF BACKGROUND DATA: The first RSS platform received United States Food and Drug Administration approval in 2004. Since then, robotic-assisted placement of thoracolumbar pedicle screws has been extensively studied. More recently, expanded applications of RSS have been introduced and evaluated. METHODS: A systematic search of the Cochrane, OVID-MEDLINE, and PubMed databases was performed for

The web of clinical trial registration obligations: have foreign clinical trials been caught?

The web of overlapping requirements, standards, recommendations and policies governing the conduct of clinical trials highlights the intense scrutiny of the ethical, data quality and public access issues raised by human trials that are conducted to demonstrate the safety and efficacy of medical products marketed in the United States. One relatively recent development is the requirement that sponsors register and make public information about their clinical trials and clinical trial results. These clinical trial registration requirements illustrate the interests of patients, providers and resea

Molecular Docking and Virtual Screening Based Prediction of Drugs for COVID-19.

AIMS: To predict potential drugs for COVID-19 by using molecular docking for virtual screening of drugs approved for other clinical applications. BACKGROUND: SARS-CoV-2 is the betacoronavirus responsible for the COVID-19 pandemic. It was listed as a potential global health threat by the WHO due to high mortality, high basic reproduction number, and lack of clinically approved drugs and vaccines. The genome of the virus responsible for COVID-19 has been sequenced. In addition, the three-dimensional structure of the main protease has been determined experimentally. OBJECTIVE: To identify poten

New drugs of 1999.

OBJECTIVE: To provide information regarding the most important properties of the new therapeutic agents marketed in 1999. DATA SOURCES: Published studies, drug information reference sources, and product labeling. DATA SYNTHESIS: In 1999, 28 new therapeutic agents were marketed. The indications and information on dosage and administration for each new agent are reviewed, as are the most important pharmacokinetic properties, adverse events, drug interactions, and other precautions. Practical considerations for the use of the new agents are also discussed. Where possible, the properties of the

Medical Device Approvals Through the Premarket Approval Pathway in Obstetrics and Gynecology From 2000 to 2015: Process and Problems.

Recent controversies surrounding obstetrics and gynecology devices, including a permanent sterilization device, pelvic meshes, and laparoscopic morcellators, highlight the need for deeper understanding of obstetrics and gynecology medical device regulation. The U.S. Food and Drug Administration premarket approval database was queried for approvals assigned to the obstetrics and gynecology advisory committee from January 2000 to December 2015. Eighteen device approvals occurred in the time period studied. The most common clinical indications included endometrial ablation (33%), contraception (2

Psychedelics: Science sabotaged by Social Media.

The substantial challenges facing high and low dose psychedelic drug development to achieve regulatory approval have been documented in the scientific literature. These limitations have not deterred drug developers and social media from repeatedly misleading patients, the public and health professionals. Developing "micro doses" of psychedelics overcomes many of the scientific and regulatory challenges of high dose psychedelics. If micro-dosing could be shown to be efficacious and safe for long term use, it could be administered in the typical model for treatment of mental disorders. Such a mo

Enfortumab Vedotin in urothelial cancer.

The treatment landscape for metastatic urothelial cancer (mUC) beyond first-line platinum-based chemotherapy has changed significantly over the last 5 years with the recent approvals of the immune checkpoint inhibitors (ICIs), fibroblast growth factor receptor (FGFR) inhibitors and most recently Enfortumab Vedotin (EV). EV is a novel antibody-drug conjugate (ADC), that delivers monomethyl auristatin E (MMAE), a microtubule-disrupting agent, inside cells harboring the cell surface nectin-4 receptor. In mUC, EV has shown encouraging response rates and received accelerated approval from the Food

Glasdegib for the treatment of adult patients with newly diagnosed acute myeloid leukemia or high-grade myelodysplastic syndrome who are elderly or otherwise unfit for standard induction chemotherapy.

On November 21, 2018, the U.S. Food and Drug Administration (FDA) approved glasdegib in combination with low-dose cytarabine (LDAC), for the treatment of newly diagnosed acute myeloid leukemia (AML) in patients > 75 years old or who have comorbidities that would be prohibitive of intensive induction chemotherapy. Glasdegib is a small-molecule inhibitor of a component of the hedgehog (HH) pathway, an upregulated pathway in leukemia and leukemia stem cells that is associated with relapse, drug resistance and poor survival. Preclinical studies suggested that glasdegib could sensitize AML cells to

Obinutuzumab for chronic lymphocytic leukemia: promise of the first treatment approved with breakthrough therapy designation.

Obinutuzumab (also known as GA101, afutuzumab, Gazyva) is a humanized, glycoengineered type II monoclonal antibody targeted against CD20. The US Food and Drug Administration has approved obinutuzumab for use with chlorambucil in patients with previously untreated chronic lymphocytic leukemia. The drug is the first treatment to receive approval under the agency's breakthrough therapy designation, a program intended to facilitate and expedite the review and development of therapies for serious and life-threatening conditions. In preclinical studies, obinutuzumab has showed superior efficacy, as

Selecting the best drugs for phase I clinical development and beyond.

Attrition rates of drugs from human entry to regulatory approval are far higher in anticancer drugs than those for nononcology indications. In the era of molecular therapeutics that results from a deeper understanding in cancer biology and advancing technologies, the number of compounds available for clinical testing is likely to continue to increase. Although the main objectives of phase I trials are to characterize toxicities of new agents and to determine the recommended dose for phase II development, most phase I studies are now designed to provide some early signal on preliminary efficacy

Narsoplimab: First Approval.

Narsoplimab (narsoplimab-wuug; YARTEMLEA®) is a recombinant human immunoglobulin G4 monoclonal antibody targeted against mannan-binding lectin-associated serine protease 2 (MASP-2) being developed by Omeros Corporation initially for the treatment of haematopoietic stem cell transplantation (HCT)-associated thrombotic microangiopathy (TA-TMA). MASP-2 inhibition by narsoplimab is thought to provide benefit in patients with TA-TMA by decreasing or preventing lectin complement pathway-mediated cellular injury. In December 2025, narsoplimab received its first approval, in the USA, for the treatment