PKAN drug screening at Yale University

PKAN drug screening at Yale University

Since July 2021, a new one-year PKAN research project has been underway at Yale University, New Haven (USA) under the direction of Professor Choukri Ben Mamoun. The project, entitled: "A High-Throughput Screening for PKAN-Reversing Agents", is funded with $115,000 from Hoffnungsbaum e.V., Aisnaf and NBIA Disorders Association. We are contributing $47,500 (€40,595), thanks in part to successful fundraising campaigns by some PKAN-affected families and numerous individual donations to PKAN research.

PKAN (pantothenate kinase-associated neurodegeneration), one of the most common forms of NBIA, predominantly affects children, adolescents and young adults and is caused by two mutations in each of the PANK2 gene. These mutations lead to a deficiency of the PANK2 enzyme in cell metabolism and thus to PKAN disease. Their main symptom, among other features of the disease, is muscle cramps (dystonia), which sooner or later lead to pronounced disabilities. To date, there is not a single approved therapy for PKAN that targets the causes of the disease, but mainly symptomatic treatments. However, they are insufficiently able to mitigate the consequences of the disease.

Dr. Ben Mamoun, who is still relatively new to the field of PKAN research, is supervising another PKAN project that we have previously reported on:
https://www.hoffnungsbaum.de/forscher-an-der-yale-universitaet-arbeitet-an-neuem-therapieansatz-fuer-pkan/

Mamoun sees the limited knowledge of the metabolic and cellular defects caused by the failure of PANK2 as an obstacle to finding an ideal therapeutic strategy for PKAN and explains the project, which is now jointly funded by the NBIA Patient Self-Help: "We hypothesize that an unbiased approach to detecting small molecules that restore normal function in PanK2-deficient cells could be a better therapeutic strategy. The aim of our research is to use a cell-based detection method to search for small molecules that restore normal metabolic function in cells of PKAN patients with Pank2 deficiency. The identified potential drug candidates will then be investigated in PKAN mouse models for their mode of action and biological activity. The success of these studies will set the stage for future clinical trials of the lead compounds for the treatment of PKAN."

We hope that this project, along with several other ongoing and upcoming PKAN research projects, can pave the way for new effective PKAN therapies. In the interest of PKAN sufferers, we believe that parallel research into different therapy options makes sense in the search for therapeutic solutions. 

News from CoA-Therapeutics: Phase 1 trial with new drug for PKAN has started

News from CoA-Therapeutics: Phase 1 trial with new drug for PKAN has started

Es gibt aktuelle Neuigkeiten von CoA Therapeutics, Inc., einer Tochtergesellschaft von BridgeBio Pharma, Inc. Das kalifornische Unternehmen arbeitet an einer neuen möglichen Therapie für PKAN-Patienten. „CoA“ steht für Coenzym A und weist schon im Namen der Firma darauf hin, dass sie sich darauf spezialisiert hat, Medikamente zur Behandlung von Erkrankungen zu entwickeln, die mit einem Coenzym A-Mangel einhergehen, wie zum Beispiel bei PKAN-Patienten. Jetzt hat CoA Therapeutics uns über den aktuellen Stand ihres PKAN-Forschungsprogramms informiert:

Die notwendigen präklinischen Tierstudien mit dem niedermolekularen Wirkstoffkandidaten BBP-671 sind abgeschlossen und die US-amerikanische Arzneimittelbehörde FDA (Food and Drug Administration) hat den Antrag von CoA Therapeutics auf Verwendung des neuen Prüfpräparates (Investigational New Drug – IND) bei Menschen genehmigt. Im April 2021 startete daher eine Phase-1-Studie, die an gesunden Probanden die Sicherheit von BBP-671 testet, bevor es an PKAN-Patienten untersucht wird. Das Team von CoA Therapeutics plant, Ende 2022 mit klinischen Studien an PKAN-Patienten zu beginnen, sobald feststeht, dass der Wirkstoffkandidat sicher ist und eine für PKAN-Patienten geeignete Dosis ermittelt werden konnte.

Das Unternehmen plant, sein Medikament weltweit an PKAN-Patienten zu untersuchen. In den USA hat BBP-671 bereits den Status eines Medikaments für seltene Erkrankungen und auch für seltene pädiatrische Erkrankungen (Orphan-Drug-Status) bekommen. In der Europäischen Union wurde BBP-671 kürzlich die Kennzeichnung als Arzneimittel für Seltene Erkrankungen (Orphan-Drug Designation) durch die Europäische Arzneimittelagentur EMA ebenfalls gewährt. Das Team von CoA Therapeutics setzt sich dafür ein, diese potenzielle Therapie für PKAN-Patienten so schnell und so sicher wie möglich voranzutreiben. Wer mehr über CoA Therapeutics erfahren möchte, kann sich direkt auf der Firmen-Website informieren: https://coatherapeutics.com/

Hoffnungsbaum e.V. wird PKAN-Familien weiterhin über alle neuen Entwicklungen zu dieser geplanten Studie auf dem Laufenden halten.

NBIA Disorders Association family conference sessions now available online

NBIA Disorders Association family conference sessions now available online

The virtual conference platform is now open to all, free of charge, so that interested English-speaking families can view those sessions that are available as recordings. The program includes patient-focused research updates and information from NBIA specialists at Oregon Health & Science University in Portland (USA) and other NBIA scientists on clinically relevant questions for the most common NBIA forms PKAN, BPAN, MPAN, PLAN and FAHN. In addition, there are cross-variant sessions on special topics such as dental health and nutritional problems, as well as tips for fundraising and public relations.

This and much more can be found under this link: https://nbiaconference.org/ In order to access the lectures, you have to register for free beforehand.

The NBIA Disorders Association is also celebrating its 25th anniversary in September. We would like to take this opportunity to congratulate our big sister organization on this anniversary, without whose encouraging example there would probably not be many NBIA associations in the world. Also Hoffnungsbaum e.V. also owes a great deal to the NBIA Disorders Association and its extremely dedicated chairperson Patricia Wood (Founding history). We wish this beacon of the NBIA patient movement much continued success and radiance.

PKAN family launches fundraising campaign - Newspapers report

PKAN family launches fundraising campaign - Newspapers report

Shortly after their 11-year-old daughter Vivienne was diagnosed with PKAN last year, the Helmold family set out to collect donations for the PKAN Fund at Hoffnungsbaum to support research into one of the most common forms of NBIA, because children, teenagers and mostly young adults struggling with PKAN need nothing more than effective therapies.

Vivienne with her parents,
Photo: Family Helmold

Since then, the regional press in Lower Saxony has reported on the family several times, including the Peiner Allgemeine Zeitung in an online article.
And in March, the Braunschweiger Zeitung in the Pein local section in a touching way about Vivienne, her family and her commitment to promoting research with the help of Hoffnungsbaum e.V. to promote research. Both articles are available online.

Hoffnungsbaum would like to thank the Helmold family, whose campaign has raised 3,225.61 euros for the PKAN Research Fund since December. We would also like to thank all other PKAN families and all donors who have supported this and other PKAN fundraising campaigns to date. Hoffnungsbaum e.V. has started to prepare the use of funds for a PKAN research project.

PKAN has been reliably diagnosable since 2001 and has been the subject of intensive research ever since, with many advances, particularly with regard to insights into the underlying pathomechanisms, but also with some setbacks and unexpected twists and turns. This is no different in research on neurodegenerative diseases than in cancer research. However, PKAN research is no longer in the early stages of discovery, but scientists are increasingly on the path to therapies that will hopefully be able to improve, stop or even cure this disease in the near future.

If you would also like to donate to PKAN research, you are welcome to do so with the note: "PKAN" or "Vivienne" to the donation account of Hoffnungsbaum e.V..

Donate now!

Review of TIRCON and its significance for NBIA research and care

Review of TIRCON and its significance for NBIA research and care

A retrospective article on TIRCON (Treat Iron-Related Childhood-Onset Neurodegeneration) has now been published in the journal "Frontiers in Neurology" on the subject of "Networks for movement disorders". TIRCON was an international NBIA research project funded by the European Union in the 7th Research Framework Program (FP7) from 2011 to 2015. 13 research institutions, clinical centers, industrial companies and patient organizations from 8 countries worked together as part of a consortium with the aim of advancing research in the field of NBIA and improving clinical care. Hoffnungsbaum e.V. was a partner in the TIRCON consortium and responsible for public relations / information provision.

TIRCON, coordinated by the Friedrich Baur Institute at the University Hospital of the Ludwig Maximilian University in Munich, comprised 8 areas of work. The core projects were the international multicenter clinical trial with the iron chelator deferiprone in PKAN as well as the global patient registry and the biobank.

After the end of EU funding, the research and care infrastructure established in TIRCON was consolidated and expanded thanks to financial support from industry and NBIA patient organizations. The NBIA patient registry now includes data from more than 400 NBIA patients. TIRCON also continues to exist as a network beyond the EU funding and has now also been able to attract external clinical centers to participate.

TIRCON can be seen as an exemplary international network for an extremely rare neurological disease group and has directly or indirectly shaped the current research and care landscape for NBIA diseases in many countries, not least through close cooperation with the NBIA patient community, which has led to the establishment of new NBIA patient organizations in several countries.

If you would like to find out more about TIRCON, go to: TIRCON. The full original article was published in the current issue of "Frontiers in Neurology":
"Treat Iron-Related Childhood-Onset Neurodegeneration (TIRCON) - An International Network on Care and Research for Patients With Neurodegeneration With Brain Iron Accumulation (NBIA)"

Project Coordinator

Friedrich Baur Institute at the University Hospital
Ludwig-Maximilians-Universität in Munich

Prof. Thomas Klopstock
Ziemssenstr. 1a
80336 Munich, Germany
Phone: (+49) 089-5160-7421
Website: www.tircon.eu

Researcher at Yale University works on new therapeutic approach for PKAN

Researcher at Yale University works on new therapeutic approach for PKAN

From the USA we received the news that a possible new therapy option for PKAN is being researched at Yale University. This new approach is still in the very early stages of development and a great deal of scientific work and time is still required to explore the prospects for success of this potential PKAN therapy, initially in cell and animal models. But we are excited about another glimmer of hope on the horizon. You can read more about this in this online article from Yale University:

Choukri Ben Mamoun, PhD, Wins Best Presentation in Yale Lifesciences Pitchfest 2020
08.02.2021 / By Saphia Suarez

Choukri Ben Mamoun, PhD, professor of medicine (infectious diseases) and of microbial pathogenesis, won the “Best Presentation” award in Yale Lifesciences PITCHFEST 2020 for his work on a possible cure for pantothenate kinase-associated neurodegeneration (PKAN). [The "Yale Lifesciences PITCHFEST" is a lecture competition in which biotech researchers can present their projects in short talks to an audience of industry representatives. Presenters can win a cash prize and, by participating, also become semi-finalists in the annual competition for the Blavatnik Fund for Innovation at Yale University. (Note from Angelika Klucken)]

The severe neurodegenerative disease most commonly affects children and young adults. The genetic disorder leads to the accumulation of iron in the brain and results in a major loss of muscle function, which ultimately causes death.

“This disease is due to a mutation in the PANK2 gene, which encodes an enzyme involved in the utilization of vitamin B5 (Pantothenic acid) and is essential for Co-enzyme A (CoA) biosynthesis in the brain,” said Ben Mamoun. The altered pathway of this enzyme results in the neurological defects associated with PKAN. The solution Ben Mamoun’s research offers is the activation of a second PanK enzyme, which would compensate for the loss of PANK2 and restore neurological function.

"The activators we have identified are called VTAC 1-9," says Ben Mamoun. "They are being further developed by a Yale spin-off company called Virtus Therapeutics."

Looking forward, Ben Mamoun is hoping to receive the Blavatnik Award this year, which is awarded by the Blavatnik Fund for Innovation at Yale to select projects after a competitive application process. The $300,000 award provides seed funding for research intended to drive projects towards commercialization.

Ben Mamoun received the Blavatnik Award in 2020 for his efforts to develop novel anti-fungal drugs. This awarded work is part of a research program, which will be further pursued by a newly formed startup company named MYCOS Therapeutics.

“Our efforts to develop new antimicrobials was supported by the Program in Innovative Therapeutics for Connecticut’s Health (PITCH),” said Ben Mamoun. “Vitamin B5 utilization was one of two projects in my lab supported by this program.” In collaboration with the Yale Center for Molecular Discovery, Ben Mamoun identified a novel class of highly selective inhibitors¹ that will be further developed by MYCOS Therapeutics.

"Well, when you develop new antimicrobial compounds, you want to make sure that they don't inhibit the human enzyme," Ben Mamoun said. "So when we tried to find out if our compounds with antimicrobial activity inhibit the human enzyme, we discovered that our compounds do not inhibit the human enzyme, but surprisingly, nine of these compounds were found to activate the human enzyme."

This serendipitous finding opened up the possibility to treat the previously incurable PKAN disease.

Ben Mamoun said it is findings like this one which fuel his work in therapeutics and translational medicine. “I think it's really an exciting time to translate basic research knowledge to produce medicines to cure infections and other important human diseases,” said Ben Mamoun. “And sometimes during the course of our often frustrating research, we find things we didn’t plan in the first place, such as this potential treatment for pantothenate kinase-associated neurodegeneration. Compounds that we were not initially developing for this disease turned out to be the main ingredients of a very promising treatment for this illness and could potentially save the lives of many children and adults, and may even have applications beyond PKAN.”

Dr. Choukri Ben Mamoun
Photo: courtesy of the Yale School of Medicine

We would like to thank the Director of Communications at Yale School of Medicine, Julie Parry, for kindly allowing us to publish the article also in German on our website. Here you will find the link to the original English article: https://medicine.yale.edu/news-article/30235/


¹ Inhibitors limit or prevent chemical processes.

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