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14th International Hyperoxaluria Workshop 

June 23-24, 2023

Perugia, Sala dei Notari

The 14th International Hyperoxaluria Workshop is recognized globally as the largest professional event in which leading stakeholders come together to explore clinical advances, cultural trends, and current research outcomes that will inform our work and provide better care to those facing the challenges of hyperoxaluria diseases.

Collaboratively, leading experts, researchers, clinicians, and members of industry will engage each other through inspiring dialogue aiming to advance the highest quality and development of hyperoxaluria future outcomes.

All conference registrations will include full access to the 2-day scientific program, access to the poster exhibition and all social and networking events.

Conference Directors

David J. Sas, D.O., MPH
Mayo Clinic
Rochester, MN, US

Barbara Cellini Ph.D.
University of Perugia
Perugia, Italy

Steering Committee

Yaacov Frishberg, M.D.
Shaare Zedek Medical Center
Jerusalem, Israel

John Knight, Ph.D.
The University of Alabama at
Birmingham, AL, US

Jaap Groothoff, M.D.
Emma Children’s Hospital
dam, Netherlands

W. Todd Lowther, Ph.D.
Wake Forest School of Medicine
Winston-Salem, NC, US

Peter C. Harris, Ph.D.
Mayo Clinic
Rochester, MN, US

Shabbir Moochhala, M.D.
Royal Free Hospital
London, UK

Gregory Tasian, M.D. MSc, MSCE
The Children’s Hospital of
Philadelphia, PA, US

Jonathan Whittamore, Ph.D.
UT Southwestern
Dallas, TX, US

Felix Knauf, M.D.
Charité – University Medicine
Berlin Berlin, Germany

Lama Nazzal, M.D., MSc.
New York University
New York, NY, US


Scientific Programme

Day 1 - June 23, 2023

Session One | Primary Hyperoxaluria Type 1

Session Chairs: Michelle Baum MD, Jaap Groothoff MD, Peter Harris PhD, Eduardo Salido MD


  • Clinical Presentations

  • Major Challenges

  • Research Presentations

  • Next Steps

Session Two - Surgery, Genetics, and Ethics in PH

Session Chairs: Justine Bacchetta PhD, John Lieske MD, Shabbir Moochhala MD


  • Surgery Presentation

  • Genetics and Unidentified Forms of Hyperoxaluria Presentations

  • Ethics: Varied Access to Diagnostics/Therapies Around the World Presentations

  • Next Steps


Welcome Reception

Day 2 - June 24, 2023

Session Three – Primary Hyperoxaluria Type 2 & Type 3

Session Chairs: Yaacov Frishberg MD, Sally Hulton MD, John Knight PhD, W. Todd Lowther PhD



  • Clinical Presentations

  • Major Challenges

  • Research Presentations

  • Next Steps


Session Four – Enteric Hyperoxaluria

Session Chairs: Felix Knauf MD, Lama Nazzal MD, Greg Tasian MD, John Whittamore PhD


  • Clinical Presentations

  • Major Challenges

  • Research Presentations

  • Next Steps




Young Investigator Travel Grants

A limited number of travel grants will be made available to selected young investigators whose abstracts have been accepted for oral or poster presentation.  Applicants who are still in a degree program (PhD., MD or equivalent), or within 5 years of completing a graduate or clinical training program will be eligible to apply and the awardee must attend the workshop. Only the presenting/corresponding author is eligible for the travel grant.

Young investigators applying for a travel grant must send their abstract by March 1st, 2023 and include/upload their CV in the abstract submission section.
Notifications of the acceptance of the travel grant will be sent by April 14t
h, 2023.
The reimbursement Awards are up to $ 1600,00.  Funding will be mailed or wired to the applicant within 30 days after the attendance of the Workshop.



The registration fee includes: Attendance to scientific sessions, Attendance certificate, Badge and congress kit, Catering as scheduled

General Info


A limited number of guest rooms will be offered to attendees at a discounted rate and will only be available through the online registration.  Booking will be on a first come, first served basis.  All the hotels in the room block are within walking distance to the Congress. If you prefer to stay elsewhere, we have listed additional locations for your convenience.

Each hotel is equipped with air conditioning, garage or parking, wellness area, free WIFI connection.

Genius books your stay in the selected Hotel for the indicated period and charges the cost of the first night and it is non-refundable. The balance must be paid to the hotel at the checkout. Genius Srl will send you a booking confirmation voucher before the event.

Reservation changes must be communicated to Genius Srl and are possible according to hotels availability.

Each change made after May 1 2023 is on payment of supplementary cost of € 25,00.

In case of cancellation after May 1, 2023 50% of the cost of the entire stay will be charged.

In case of cancellation of the reservation after June 1st 2023, the full cost of the reservation will be charged.

If you would like to book additional nights outside of the meeting dates or more than one hotel room for your stay, please contact Paola at

Additional hotels, bed and breakfast options are below



The nearest airport is Umbria International Airport – Perugia “San Francesco d’Assisi”. This airport provides international some direct flights to and from: London, Bruxelles, Vienna, Barcelona:


The main international Airport is Rome Fiumicino Leonardo da Vinci Airport (2 hours  and a half drive from Perugia). and

Other well-served international airports are:




The taxi ride takes about 25 minutes depending on traffic to get to Piazza Italia, nearby Brufani Palace Hotel. It costs € 30,00 (fixed price for maximum 4 people).


You can reach Perugia City Centre by bus.  The bus stop is located in front of the main entrance of the Terminal and you can buy on board tickets for € 5,00 (one way ticket).


You can find the main Car Rental Companies directly at the Airports

HERTZ                                            Tel. +39 075 5926266

EUROPCAR                             Tel +39 075 6920615

AVIS                          Tel. +39 075 6929796

BUDGET           Tel. +39 075 6929346



  • From Milan railway station: are available many trains, which take about 4 hours.

  • From Rome Fiumicino Airport: direct connection to Tiburtina or Termini railway station in about 30 minutes. From there it is possible to get to Perugia railway station in about 2 hours and a half.

  • From Rome Ciampino Airport: daily connections between the airport and Rome Termini railway station, The train from Rome Tiburtina or Termini Railway Station to Perugia takes about 2 hours and a half.

  • From Pisa Galileo Galilei Airport: direct railway lines connect Pisa Airport to Pisa Central Station and to Florence. The railway terminal is located just outside the Check-in hall. The train from Pisa to Perugia takes about 3 hours via Florence.

  • From Florence Peretola Airport: the airport is served by a daily bus service to the city main railway station where there are often trains to Perugia, that take about 2 hours.

General Information


Sala dei Notari – Palazzo dei Priori. Address: Piazza IV Novembre, Perugia

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Champion Sponsors

Alnylam has funded the scientific medical educational part of the meeting only

Friend Sponsors

Guided Tours
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