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Study identifier: NCT07567131 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Observational Study of Adults and Adolescents With Erythropoietic Protoporphyria (EPP) and X-linked Porphyria (XLP)

Condition: Erythropoietic Protoporphyria (EPP) · X-Linked Porphyria (XLP)  ·  Sponsor: Portal Therapeutics, Inc.

PhaseN/A
Planned participants50
Who can joinAll sexes, 12 Years to no upper limit
Healthy volunteersNo

About this study

The purpose of this study is to collect information about the effects of EPP/XLP in adults and adolescents. This is an observational study in which participants will not receive any treatment. Study details include: * The study duration will be up to 6 months for each participant. * After Screening, participants will have a Baseline (Day 1) visit and return for visits every 4 weeks through 24 weeks. * Assessments to evaluate EPP/XLP will include clinical laboratory tests, physical exams, vital signs measurement, blood draws for PPIX concentration, reporting of EPP/XLP-related symptoms (including completion of a daily diary), light dosimetry.

This description comes directly from the study's public registry record.

Talk to the study team

GondolaBio Inquiries  ·  650-249-2108  ·  patientadvocacy@gondolabio.com

Always discuss trial participation with your own doctor first.

Locations (19)

Massachusetts General HospitalBoston, Massachusetts, United StatesRecruiting
Mount Sinai School of MedicineNew York, New York, United StatesRecruiting
Wake Forest University Baptist Health - Dept of GastroenterologyWake Forest, North Carolina, United StatesRecruiting
Temple UniversityPhiladelphia, Pennsylvania, United StatesNot Yet Recruiting
University of Texas Health - Ertan Digestive Disease CenterHouston, Texas, United StatesRecruiting
UZ LeuvenLeuven, BelgiumNot Yet Recruiting
University of Alberta HospitalEdmonton, CanadaNot Yet Recruiting
Centre Hospitalier Universitaire de Bordeaux - Hopital Saint - AndreBordeaux, FranceNot Yet Recruiting
AP-HP Hopital Bichat - Claude BernardParis, FranceNot Yet Recruiting
Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di MilanoMilan, ItalyNot Yet Recruiting
Azienda Ospedaliero-Universitaria di ModenaModena, ItalyNot Yet Recruiting
Haukeland University HospitalBergen, NorwayNot Yet Recruiting

+ 7 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT07567131