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36 Results Found

  • Article
  • Open Access
5 Citations
4,145 Views
13 Pages

Prostaglandin E2 (PGE2) and Roflumilast Involvement in IPF Progression

  • Noa Moshkovitz,
  • Gali Epstein Shochet and
  • David Shitrit

3 August 2023

The ECM propagates processes in idiopathic pulmonary fibrosis (IPF), leading to progressive lung scarring. We established an IPF-conditioned matrix (IPF-CM) system as a platform for testing drug candidates. Here, we tested the involvement of a PGE2 a...

  • Review
  • Open Access
3 Citations
4,018 Views
21 Pages

4 February 2025

Phosphodiesterase 4 (PDE4) catalyzes cyclic adenosine monophosphate (cAMP) hydrolysis, playing a crucial role in the cAMP signaling pathway. cAMP is a secondary messenger involved in numerous physiological functions, such as inflammatory responses, i...

  • Article
  • Open Access
17 Citations
4,258 Views
13 Pages

A Way to Increase the Bioaccesibility and Photostability of Roflumilast, a COPD Treatment, by Cyclodextrin Monomers

  • Adrián Matencio,
  • Samanta Hernández-García,
  • Francisco García-Carmona and
  • José Manuel López-Nicolás

4 May 2019

Roflumilast is an orally available inhibitor of phosphodiesterase (PDE) type 4, which is widely used in chronic obstructive pulmonary diseases. However, it has low solubility and adverse effects include diarrhea and nausea. Since its solubilization m...

  • Article
  • Open Access
3 Citations
4,684 Views
13 Pages

8 November 2018

Phosphodiesterase 4B (PDE4B) plays an important role in inflammation. Recently we have reported that roflumilast as a PDE4-selective inhibitor, synergizes with nontypeable Haemophilus influenzae (NTHi) to up-regulate PDE4B expression in vitro and in...

  • Article
  • Open Access
4 Citations
5,038 Views
15 Pages

Roflumilast in Severely Ill Patients with Chronic Obstructive Pulmonary Disease with Frequent Exacerbations: Risk of Pneumonia Hospitalization and Severe Exacerbations

  • Imane Achir Alispahic,
  • Rikke Sørensen,
  • Josefin Eklöf,
  • Pradeesh Sivapalan,
  • Anders Løkke,
  • Niels Seersholm,
  • Jakob Hedemark Vestergaard and
  • Jens-Ulrik Stæhr Jensen

Roflumilast is given as an add-on to inhalation medication in patients with chronic obstructive pulmonary disease (COPD) and chronic bronchitis. Animal experiments have documented deleterious effects of roflumilast in bacterial infections, but trials...

  • Article
  • Open Access
3 Citations
2,778 Views
18 Pages

Pre-Clinical Assessment of Roflumilast Therapy in a Thoracic Model of Spinal Cord Injury

  • Carla S. Sousa,
  • Rui Lima,
  • Jorge R. Cibrão,
  • Eduardo D. Gomes,
  • Luís S. Fernandes,
  • Tiffany S. Pinho,
  • Deolinda Silva,
  • Jonas Campos,
  • António J. Salgado and
  • Nuno A. Silva

The failure of axons to regenerate after a spinal cord injury (SCI) remains one of the greatest challenges in neuroscience. The initial mechanical trauma is followed by a secondary injury cascade, creating a hostile microenvironment, which not only i...

  • Article
  • Open Access
21 Citations
5,221 Views
11 Pages

24 February 2020

The aim of the present study was to evaluate the possible gut inhibitory role of the phosphodiesterase (PDE) inhibitor roflumilast. Increasing doses of roflumilast were tested against castor oil-induced diarrhea in mice, whereas the pharmacodynamics...

  • Article
  • Open Access
7 Citations
4,343 Views
13 Pages

30 August 2020

Our desire to live longer has led to an ever-increasing number of novel antiaging products. However, few molecules have any real effect and new ones need to be studied before they can be used commercially. In this contribution, activation of the calo...

  • Review
  • Open Access
11 Citations
4,137 Views
12 Pages

Phosphodiesterase-4 Inhibitor Roflumilast-Mediated Protective Effect in Sepsis-Induced Late-Phase Event of Acute Kidney Injury: A Narrative Review

  • Imran Kazmi,
  • Fahad A. Al-Abbasi,
  • Muhammad Afzal,
  • Muhammad Shahid Nadeem,
  • Hisham N. Altayb and
  • Gaurav Gupta

Severe infections such as viral, bacterial, or fungal sepsis can cause an inflammatory response in the host, leading to organ failure and septic shock—phosphodiesterase-4 (PDE-4) inhibiting related agents from suppressing cyclic adenosine monop...

  • Article
  • Open Access
11 Citations
5,059 Views
16 Pages

Roflumilast is currently administered orally to control acute exacerbations in chronic obstructive pulmonary disease (COPD). However, side effects such as gastrointestinal disturbance and weight loss have limited its application. This work aimed to d...

  • Article
  • Open Access
9 Citations
3,618 Views
24 Pages

This study explores developing and optimizing a nanoemulsion (NE) system loaded with dipyridamole and roflumilast, aiming to improve skin penetration and retention. The NE formulation was further transformed into a nanoemulgel to enhance its applicat...

  • Article
  • Open Access
875 Views
15 Pages

3 July 2025

In endothelial cells, high-dose irradiation induces numerous dysfunctions including alteration in junctional proteins such as VE-Cadherin, apoptosis and enhanced adhesiveness linked to overexpression of adhesion molecules like Intercellular Adhesion...

  • Project Report
  • Open Access
1 Citations
964 Views
37 Pages

18 April 2025

Background/Objectives: Fixed-dose combinations (FDCs) offer significant advantages for patients and healthcare systems by improving adherence and reducing pill burden. However, developing multi-drug formulations remains challenging due to complexitie...

  • Article
  • Open Access
1 Citations
2,611 Views
12 Pages

First-Line Combination of R-CHOP with the PDE4 Inhibitor Roflumilast for High-Risk DLBCL

  • Adolfo E. Diaz Duque,
  • Pedro S. S. M. Ferrari,
  • Purushoth Ethiraj,
  • Carine Jaafar,
  • Zhijun Qiu,
  • Kenneth Holder,
  • Mathew J. Butler,
  • Gabriela Huelgas-Morales,
  • Anand Karnad and
  • Ricardo C. T. Aguiar
  • + 1 author

18 November 2024

Background: Diffuse large B-cell lymphoma (DLBCL) is a common and often fatal malignancy. The standard-of-care immunochemotherapy, R-CHOP, cures only about 60% of DLBCL patients. Improving this cure rate will likely require the effective translation...

  • Article
  • Open Access
655 Views
13 Pages

PDE-4 Inhibition in Sarcoidosis Patients: A Retrospective Single-Center Analysis of 51 Patients

  • Martin Elias Feineis,
  • Charlott Terschluse,
  • Louis Jouanjan,
  • Daniel Soriano,
  • Prerana Agarwal,
  • Jonas Schupp,
  • Joachim Müller-Quernheim,
  • Daiana Stolz and
  • Björn Christian Frye

14 November 2025

Background: Several sarcoidosis patients require treatment with corticosteroids to prevent organ damage and control symptoms. However, corticosteroids are associated with numerous side effects and can be detrimental to patients if used long-term. Rof...

  • Perspective
  • Open Access
1 Citations
2,950 Views
29 Pages

AVRO is an adjunctive four-drug regimen designed to increase the effectiveness of current standard treatment of glioblastoma (GB). AVRO is a repurposed drug regimen consisting of the antinausea drug aprepitant, the antidepressant vortioxetine, the em...

  • Review
  • Open Access
11 Citations
8,275 Views
37 Pages

Phosphodiesterase-4 (PDE4) is involved in the synthesis of inflammatory cytokines that mediate several chronic inflammatory disorders, including psoriasis and atopic dermatitis. In recent years, the therapeutic armamentarium in dermatology has expand...

  • Review
  • Open Access
9 Citations
4,100 Views
11 Pages

Considerations for and Mechanisms of Adjunct Therapy in COPD

  • Rachana Mandru,
  • Christine Y. Zhou,
  • Rachel Pauley and
  • Robert M. Burkes

16 March 2021

Inhaled bronchodilators and corticosteroids, when indicated, form the backbone of COPD therapy. However, over the last decade there has been an emergence of adjunct therapies in oral or inhaled form that are now part of the therapeutic approach to CO...

  • Review
  • Open Access
28 Citations
7,322 Views
18 Pages

Phosphodiesterase-4 Inhibition in the Management of Psoriasis

  • Erika L. Crowley and
  • Melinda J. Gooderham

Psoriasis is a common chronic immune-mediated disease with many comorbidities and impacts on quality of life. Among the treatments for psoriasis, phosphodiesterase-4 (PDE4) inhibitors are emerging with expanding options. PDE4 inhibitors play a pivota...

  • Review
  • Open Access
31 Citations
15,820 Views
36 Pages

New and Emerging Oral/Topical Small-Molecule Treatments for Psoriasis

  • Elena Carmona-Rocha,
  • Lluís Rusiñol and
  • Lluís Puig

The introduction of biologic therapies has led to dramatic improvements in the management of moderate-to-severe psoriasis. Even though the efficacy and safety of the newer biologic agents are difficult to match, oral administration is considered an i...

  • Review
  • Open Access
1 Citations
2,475 Views
23 Pages

14 October 2025

Highly selective inhibitors of the members of the cAMP-selective cyclic nucleotide phosphodiesterases, or PDE4 family, have shown clinically meaningful activity in two different classes of lung disease: roflumilast in obstructive lung disease, specif...

  • Review
  • Open Access
13 Citations
5,971 Views
20 Pages

11 December 2023

The development of a wider range of therapeutic options is a key objective in drug discovery for chronic obstructive pulmonary disease (COPD). Fundamental advances in lung biology have the potential to greatly expand the number of therapeutic targets...

  • Article
  • Open Access
7 Citations
2,815 Views
10 Pages

The Involvement of PDE4 in the Protective Effects of Melatonin on Cigarette-Smoke-Induced Chronic Obstructive Pulmonary Disease

  • Je-Oh Lim,
  • Woong-Il Kim,
  • Se-Jin Lee,
  • So-Won Pak,
  • Young-Kwon Cho,
  • Jong-Choon Kim,
  • Joong-Sun Kim and
  • In-Sik Shin

30 October 2021

Chronic obstructive pulmonary disease (COPD) is a significant disease threatening human health. Currently, roflumilast, a phosphodiesterase (PDE)4 inhibitor, is recommended as a therapeutic agent for COPD. In this study, we investigated the therapeut...

  • Article
  • Open Access
4 Citations
3,045 Views
14 Pages

Anticancer Activity of Continentalic Acid in B-Cell Lymphoma

  • Byeol-Eun Jeon,
  • Chan-Seong Kwon,
  • Ji-Eun Lee,
  • Keumok Moon,
  • Jaeho Cha,
  • Inmyoung Park,
  • Sara Koh,
  • Myunghee Yoon,
  • Sang-Woo Kim and
  • Jeong Nam Kim

12 November 2021

Aralia continentalis has been used in Korea as a folk remedy for arthralgia, rheumatism, and inflammation. However, its anti-lymphoma effect remains uncharacterized. Here, we demonstrate that A. continentalis extract and its three diterpenes efficien...

  • Article
  • Open Access
3,056 Views
15 Pages

Non-Selective PDE4 Inhibition Induces a Rapid and Transient Decrease of Serum Potassium in Mice

  • Abigail Boyd,
  • Peter Lochmaier,
  • Daniel Irelan,
  • Edward Fiedler,
  • Ji Young Lee,
  • Brian Fouty,
  • Lina Abou Saleh and
  • Wito Richter

27 October 2022

The analysis of blood samples from mice treated with the PDE4 inhibitor Roflumilast revealed an unexpected reduction in serum potassium levels, while sodium and chloride levels were unaffected. Treatment with several structurally distinct PAN-PDE4 in...

  • Article
  • Open Access
2 Citations
2,854 Views
18 Pages

To Target or Not to Target Schistosoma mansoni Cyclic Nucleotide Phosphodiesterase 4A?

  • Yang Zheng,
  • Susanne Schroeder,
  • Georgi K. Kanev,
  • Sanaa S. Botros,
  • Samia William,
  • Abdel-Nasser A. Sabra,
  • Louis Maes,
  • Guy Caljon,
  • Carmen Gil and
  • Rob Leurs
  • + 11 authors

Schistosomiasis is a neglected tropical disease with high morbidity. Recently, the Schistosoma mansoni phosphodiesterase SmPDE4A was suggested as a putative new drug target. To support SmPDE4A targeted drug discovery, we cloned, isolated, and biochem...

  • Review
  • Open Access
91 Citations
21,420 Views
25 Pages

An Overview of PDE4 Inhibitors in Clinical Trials: 2010 to Early 2022

  • Letizia Crocetti,
  • Giuseppe Floresta,
  • Agostino Cilibrizzi and
  • Maria Paola Giovannoni

4 August 2022

Since the early 1980s, phosphodiesterase 4 (PDE4) has been an attractive target for the treatment of inflammation-based diseases. Several scientific advancements, by both academia and pharmaceutical companies, have enabled the identification of many...

  • Review
  • Open Access
7 Citations
4,925 Views
14 Pages

Personalized COPD Care: The Future of Precision-Based Therapies

  • Leslie K. Appleton,
  • Nicola A. Hanania and
  • Muhammad Adrish

23 October 2024

Chronic obstructive pulmonary disease (COPD) is a progressive respiratory illness characterized by long-standing respiratory symptoms and airflow limitation. It is a major contributor to respiratory disease-related deaths and currently ranked as the...

  • Review
  • Open Access
40 Citations
8,765 Views
20 Pages

New and Upcoming Topical Treatments for Atopic Dermatitis: A Review of the Literature

  • Nikolaos Sideris,
  • Eleni Paschou,
  • Katerina Bakirtzi,
  • Dimitra Kiritsi,
  • Ilias Papadimitriou,
  • Aikaterini Tsentemeidou,
  • Elena Sotiriou and
  • Efstratios Vakirlis

24 August 2022

Atopic dermatitis (AD) is a chronic inflammatory dermatosis with periods of exacerbation and remissions. AD is characterized by intense, persistent pruritus and heterogeneity in clinical symptomatology and severity. Therapeutic goals include the amel...

  • Article
  • Open Access
4 Citations
3,342 Views
14 Pages

Prescribed Drugs and Self-Directed Violence: A Descriptive Study in the Spanish Pharmacovigilance Database

  • Ana Avedillo-Salas,
  • Javier Pueyo-Val,
  • Ana Fanlo-Villacampa,
  • Cristina Navarro-Pemán,
  • Francisco Javier Lanuza-Giménez,
  • Ignatios Ioakeim-Skoufa and
  • Jorge Vicente-Romero

Self-inflicted violence is a major and growing public health problem and its prediction and prevention is challenging for healthcare systems worldwide. Our aim was to identify prescribed drugs associated with self-directed violent behaviors in Spain....

  • Review
  • Open Access
306 Views
24 Pages

Trends in Inhibitors, Structural Modifications, and Structure–Function Relationships of Phosphodiesterase 4: A Review

  • Antonio Sánchez-Belmonte,
  • Adrián Matencio,
  • Irene Conesa,
  • Francisco José Vidal-Sánchez,
  • Francesco Trotta and
  • José Manuel López-Nicolás

3 January 2026

Phosphodiesterase 4 (PDE4) is a key enzyme responsible for the hydrolysis of cyclic adenosine monophosphate (cAMP), thereby regulating essential signaling pathways involved in inflammation and immune modulation. Structural studies have demonstrated a...

  • Review
  • Open Access
4 Citations
4,992 Views
28 Pages

Targeting Intracellular Pathways in Atopic Dermatitis with Small Molecule Therapeutics

  • Georgiana Nitulescu,
  • Octavian Tudorel Olaru,
  • Corina Andrei,
  • George Mihai Nitulescu and
  • Anca Zanfirescu

Atopic dermatitis (AD) is a chronic, relapsing inflammatory skin disorder characterized by immune dysregulation and epidermal barrier dysfunction. Advances in understanding the interplay of genetic predisposition, cytokine signaling, and environmenta...

  • Review
  • Open Access
2 Citations
9,753 Views
17 Pages

Seborrheic Dermatitis Revisited: Pathophysiology, Diagnosis, and Emerging Therapies—A Narrative Review

  • Francisco José Navarro Triviño,
  • Juan Pablo Velasco Amador and
  • Irene Rivera Ruiz

Background: Seborrheic dermatitis (SD) is a chronic, recurrent inflammatory dermatosis that primarily affects seborrheic areas such as the scalp, face, and upper trunk. Its etiology is multifactorial, involving sebaceous gland activity, immune dysreg...

  • Article
  • Open Access
47 Citations
8,734 Views
23 Pages

A Novel, Pan-PDE Inhibitor Exerts Anti-Fibrotic Effects in Human Lung Fibroblasts via Inhibition of TGF-β Signaling and Activation of cAMP/PKA Signaling

  • Katarzyna Wójcik-Pszczoła,
  • Grażyna Chłoń-Rzepa,
  • Agnieszka Jankowska,
  • Marietta Ślusarczyk,
  • Paweł E Ferdek,
  • Agnieszka A Kusiak,
  • Artur Świerczek,
  • Krzysztof Pociecha,
  • Paulina Koczurkiewicz-Adamczyk and
  • Reinoud Gosens
  • + 2 authors

Phosphodiesterase (PDE) inhibitors are currently a widespread and extensively studied group of anti-inflammatory and anti-fibrotic compounds which may find use in the treatment of numerous lung diseases, including asthma and chronic obstructive pulmo...

  • Feature Paper
  • Article
  • Open Access
8 Citations
3,040 Views
15 Pages

Adrenomedullin Inhibits Osmotic Water Permeability in Rat Inner Medullary Collecting Ducts

  • Fuying Ma,
  • Guangping Chen,
  • Eva L. Rodriguez,
  • Janet D. Klein,
  • Jeff M. Sands and
  • Yanhua Wang

24 November 2020

Adrenomedullin (ADM) is a vasodilator that causes natriuresis and diuresis. However, the direct effect of ADM on osmotic water permeability in the rat inner medullary collecting duct (IMCD) has not been tested. We investigated whether ADM and its ADM...

  • Review
  • Open Access
17 Citations
11,277 Views
16 Pages

Therapeutic Advancements in Psoriasis and Psoriatic Arthritis

  • Robin C. Yi,
  • Maya Akbik,
  • Logan R. Smith,
  • Yael Klionsky and
  • Steven R. Feldman

16 February 2025

Background: Within the past few years, many new therapies have emerged for psoriasis and psoriatic arthritis (PsA). Current topical therapies—including corticosteroids, vitamin D analogs, tapinarof, and roflumilast—remain the mainstay for...