New drug aims to let sunlight-sensitive patients enjoy the sun longer
NCT ID NCT06144840
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a drug called MT-7117 in 165 adults and adolescents (ages 12-75) with erythropoietic protoporphyria (EPP) or X-linked protoporphyria (XLP), conditions that cause severe pain from sunlight exposure. The goal was to see if the drug could delay the first symptoms of sun sensitivity (like burning or tingling) and reduce pain events. Participants took the drug or a placebo daily for 16 weeks, and researchers measured how long they could stay in the sun before symptoms started.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Assistance Publique-Hopitaux de Paris (AP-HP) - Hopital Louis-Mourier
Paris, 92701, France
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Azienda Ospedaliera Spedali Civili di Brescia-Universita degli Studi Di Brescia
Brescia, 25123, Italy
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Azienda Sanitaria Ospedaliera Santa Croce E Carle - Cuneo
Cuneo, 12100, Italy
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CHU Nantes
Nantes, 44000, France
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Centre Hospitalier Universitaire de Bordeaux - Hopital Saint - Andre
Bordeaux, 33000, France
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Einstein Medical Center (EMC)
Philadelphia, Pennsylvania, 19141, United States
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Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico di Milano
Milan, 20122, Italy
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Guy's Hospital
London, SE1 9RT, United Kingdom
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Hamamatsu University Hospital
Hamamatsu, Shizuoka, 431-3194, Japan
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Henry Ford Health System
Detroit, Michigan, 48202, United States
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Hospital General Universitario De Valencia
Valencia, 46014, Spain
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Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
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Hôpital Bichat - Hospital Bichat-Hopitaux Universitaires Paris Nord Val de Seine
Paris, 75018, France
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IFO-San Gallicano IRCCS
Rome, 00144, Italy
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Icahn School of Medicine at Mount Sinai (ISMMS) - The Mount Sinai Hospital (MSH)
New York, New York, 10029-0311, United States
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Institute for Clinical and Experimental Medicine - IKEM
Prague, 01958, Czechia
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Instytut Hematologii I Transfuzjologii
Warsaw, 02-776, Poland
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Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Materno-Infantile - Burlo Garofolo - Clinica Pediatrica
Trieste, 34137, Italy
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Kansas City Research Institute
Kansas City, Missouri, 64131, United States
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MGH
Boston, Massachusetts, 02129, United States
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Marvel Clinical Research, LLC
Huntington Beach, California, 92647, United States
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Mazda Hospital
Aki-gun, Hiroshima, 735-8585, Japan
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MetroBoston Clinical Partners, LLC
Brighton, Massachusetts, 02135-3511, United States
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Ospedalle Galliera
Genova, 16128, Italy
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Remington-Davis Clinical Research
Columbus, Ohio, 43215, United States
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Royal Melbourne Hospital (RMH)
Parkville, Victoria, 03050, Australia
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The University of Texas Medical Branch (UTMB)
Galveston, Texas, 77555-0342, United States
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Tokyo Saiseikai Central Hospital
Tokyo, 108-0073, Japan
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U.O.C. Medicina Interna Azienda ospedaliero Universitaria Policlinico di Modena
Modena, 41124, Italy
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Universitair Medisch Centrum Rotterdam
Rotterdam, 03015, Netherlands
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University Multi-Profile Hospital for Active Treatment (UMHAT) St. Ivan Rilski - Porphyria Center
Sofia, 01000, Bulgaria
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University Of Miami School Of Medicine, Center For Liver Diseases
Miami, Florida, 33136, United States
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University of California at San Francisco
San Francisco, California, 94143, United States
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University of Washington
Seattle, Washington, 98195, United States
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Wake Forest University Baptist Health
Winston-Salem, North Carolina, 27103, United States