Inherited porphyria
MONDO:0019142Porphyrias constitute a group of eight hereditary metabolic diseases characterized by intermittent neuro-visceral manifestations, cutaneous lesions or by the combination of both.
Also known as: disorder of porphyrin and heme metabolism, disorder of porphyrin metabolism, porphyria, hereditary porphyria, Hematoporphyria, Porphyrinopathy
51 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
-
Heartburn drug could ease painful sun sensitivity
Disease control CompletedThis Phase 2 trial tested whether oral cimetidine (Tagamet), a common heartburn drug, can reduce light sensitivity in people with erythropoietic protoporphyria (EPP) and X-linked protoporphyria (XLP). These genetic conditions cause severe pain from sunlight exposure. The study en…
Phase: PHASE2 • Sponsor: Amy K. Dickey, M.D. • Aim: Disease control
Last updated Jul 01, 2026 00:00 UTC
-
EPP drug levels under the microscope: afamelanotide study completed
Disease control CompletedThis study looked at how the drug afamelanotide (Scenesse) behaves in the bodies of 28 people with erythropoietic protoporphyria (EPP), a rare condition that causes severe pain on sun exposure. Researchers measured the drug's concentration in the blood after a single implant. The…
Phase: PHASE1, PHASE2 • Sponsor: Clinuvel Europe Limited • Aim: Disease control
Last updated Jun 27, 2026 12:00 UTC
-
New drug offers hope for patients who Can't tolerate sunlight
Disease control CompletedThis study tested a drug called bitopertin in 75 adults with erythropoietic protoporphyria (EPP), a rare condition that causes severe pain from sunlight exposure. The goal was to see if the drug is safe and can lower levels of a harmful substance in the blood. Participants receiv…
Phase: PHASE2 • Sponsor: Disc Medicine, Inc • Aim: Disease control
Last updated Jun 27, 2026 08:10 UTC
-
New chemo combo may lower death risk in child stem cell transplants
Disease control CompletedThis study tested two different chemotherapy drugs (Treosulfan and Busulfan) given before a stem cell transplant in 106 children with serious non-cancer diseases like immune disorders, metabolic diseases, blood disorders, and bone marrow failure. The goal was to see which drug le…
Phase: PHASE2 • Sponsor: medac GmbH • Aim: Disease control
Last updated Jun 27, 2026 08:03 UTC
-
New metabolomic test could spot rare metabolic diseases faster
Diagnosis CompletedThis study tested a new method called global metabolomic profiling to diagnose inborn errors of metabolism, a group of rare genetic disorders. Researchers compared this approach to traditional testing in 240 participants. The goal was to see if the new method could more accuratel…
Sponsor: Mayo Clinic • Aim: Diagnosis
Last updated Jun 27, 2026 07:53 UTC
-
New drug aims to let sunlight-sensitive patients enjoy the sun longer
Symptom relief CompletedThis 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 o…
Phase: PHASE3 • Sponsor: Tanabe Pharma America, Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 13:02 UTC
-
New drug may let people with rare sun allergy enjoy the outdoors longer
Symptom relief CompletedThis study tested a drug called MT-7117 in 184 people aged 12 to 75 with erythropoietic protoporphyria (EPP) or X-linked protoporphyria (XLP), rare conditions that cause severe pain from sunlight. The goal was to see if the drug could delay the first signs of sun sensitivity (bur…
Phase: PHASE3 • Sponsor: Tanabe Pharma America, Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 08:07 UTC
-
New pill could let EPP patients enjoy the sun without pain
Symptom relief CompletedThis phase 2 trial tested a drug called MT-7117 in 102 adults with erythropoietic protoporphyria (EPP), a rare condition that causes severe pain from sunlight. Participants took either a low dose, high dose, or placebo daily for 16 weeks. The goal was to see if the drug could inc…
Phase: PHASE2 • Sponsor: Tanabe Pharma America, Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 08:07 UTC
-
New registry tracks pregnancy in women with rare metabolic diseases
Knowledge-focused CompletedThis study created a registry of medical records from women with inborn errors of metabolism—rare conditions that affect how the body turns food into energy. Researchers collected data from past or current pregnancies and followed babies for one year after birth. The goal was to …
Sponsor: National Human Genome Research Institute (NHGRI) • Aim: Knowledge-focused
Last updated Jul 04, 2026 00:00 UTC
-
Study explores how family and friends impact caregiver health
Knowledge-focused CompletedThis completed study looked at how the social networks of caregivers affect their stress and health when caring for someone with an inherited disease. Researchers surveyed over 680 participants, including family members and formal caregivers, to understand caregiving burden and s…
Sponsor: National Human Genome Research Institute (NHGRI) • Aim: Knowledge-focused
Last updated Jul 02, 2026 00:00 UTC
-
Rare disease detection: new study measures porphyria prevalence in symptomatic patients
Knowledge-focused CompletedThis completed study aimed to find out how many patients with a certain set of symptoms actually have acute hepatic porphyria (AHP), a rare metabolic disorder. Researchers enrolled 150 adults aged 18 to 60 who had severe abdominal pain along with neurological symptoms like limb w…
Sponsor: Association pour la Recherche en Medecine Interne • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:00 UTC
-
AI could cut skin specialist wait times, study hints
Knowledge-focused CompletedThis study tested an artificial intelligence algorithm designed to help primary care doctors decide whether a patient with a skin condition really needs to see a dermatologist. Researchers enrolled 200 adults with skin problems and had their doctors take photos of the affected ar…
Sponsor: AI Labs Group S.L • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:11 UTC
-
Study reveals HPV vaccine gaps in teens with chronic illness
Knowledge-focused CompletedThis study looked at how many girls and young women aged 11 to 20 with chronic diseases (like diabetes or immune conditions) got the HPV vaccine, compared to those without chronic illness. Researchers reviewed records of 223 participants from a hospital in France. The goal was to…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:59 UTC