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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Conditions
Acute Hepatic Porphyria
Interventions
Not listed
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
13
States / cities
Birmingham, Alabama • Gilbert, Arizona • San Francisco, California + 10 more
Conditions
Erythropoietic Protoporphyria (EPP), X-Linked Protoporphyria (XLP)
Interventions
DISC-1459
Drug
Lead sponsor
Disc Medicine, Inc
Industry
Eligibility
12 Years and older
U.S. locations
2
States / cities
Miami, Florida • Boston, Massachusetts
Conditions
Erythropoietic Protoporphyria (EPP), X-Linked Protoporphyria (XLP)
Interventions
Placebo, DISC-1459
Drug
Lead sponsor
Disc Medicine, Inc
Industry
Eligibility
12 Years and older
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
11
States / cities
Huntington Beach, California • San Francisco, California • Miami, Florida + 7 more
Conditions
Acute Intermittent Porphyria
Interventions
givosiran (ALN-AS1), Sterile Normal Saline (0.9% NaCl)
Drug
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
4
States / cities
Birmingham, Alabama • San Francisco, California • New York, New York + 1 more
Completed Not applicable Interventional Results available

Oral Iron for Erythropoietic Protoporphyrias

NCT02979249
Conditions
Erythropoietic Protoporphyria, EPP, X-linked Protoporphyria, XLP
Interventions
Oral Iron
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
6
States / cities
Birmingham, Alabama • San Francisco, California • New York, New York + 3 more
Conditions
Porphyrias
Interventions
Web-based Survey
Other
Lead sponsor
University of South Florida
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Porphyria Cutanea Tarda
Interventions
Deferasirox
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Postural Orthostatic Tachycardia Syndrome, Acute Hepatic Porphyria
Interventions
Autonomic Function Testing, Genetic Testing, Urine Testing, Blood laboratory Testing
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Erythropoietic Protoporphyria
Interventions
Afamelanotide, Placebo
Drug
Lead sponsor
Clinuvel Pharmaceuticals Limited
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
6
States / cities
Birmingham, Alabama • San Francisco, California • New York, New York + 3 more
Conditions
Erythropoietic Protoporphyria (EPP)
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
7 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Erythropoietic Protoporphyria, X-linked Protoporphyria
Interventions
Cimetidine, Placebo
Drug
Lead sponsor
Amy K. Dickey, M.D.
Other
Eligibility
15 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Boston, Massachusetts • Winston-Salem, North Carolina • Galveston, Texas
Conditions
Acute Intermittent Porphyria
Interventions
recombinant human porphobilinogen deaminase (Porphozym)
Drug
Lead sponsor
Zymenex A/S
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Galveston, Texas
Recruiting No phase listed Observational

Longitudinal Study of the Porphyrias

NCT01561157
Conditions
Acute Porphyrias, Cutaneous Porphyrias
Interventions
Not listed
Lead sponsor
The American Porphyrias Expert Collaborative
Other
Eligibility
1 Minute and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2030
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 13 more
Conditions
Erythropoietic Protoporphyria (EPP), X-Linked Porphyria (XLP)
Interventions
Not listed
Lead sponsor
Portal Therapeutics, Inc.
Industry
Eligibility
12 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
5
States / cities
Boston, Massachusetts • New York, New York • Wake Forest, North Carolina + 2 more
Conditions
Erythropoietic Protoporphyria
Interventions
Afamelanotide, Placebo
Drug
Lead sponsor
Clinuvel Pharmaceuticals Limited
Industry
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
7
States / cities
Birmingham, Alabama • San Francisco, California • Detroit, Michigan + 4 more
Conditions
Erythropoietic Protoporphyria (EPP)
Interventions
PORT-77, Placebo
Drug
Lead sponsor
Portal Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Erythropoietic Protoporphyria (EPP)
Interventions
MT-7117 low dose, MT-7117 high dose, Placebo
Drug
Lead sponsor
Tanabe Pharma America, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
9
States / cities
Los Angeles, California • San Francisco, California • Miami, Florida + 6 more
Conditions
Erythropoietic Protoporphyria, EPP, X-Linked Protoporphyria, XLP, XLPP, X-Linked Dominant Erythropoietic Protoporphyria, XLEPP, XLDP
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
6
States / cities
Birmingham, Alabama • San Francisco, California • New York, New York + 3 more
Conditions
Acute Hepatic Porphyria
Interventions
Not listed
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
8
States / cities
San Francisco, California • Miami, Florida • Ann Arbor, Michigan + 5 more
Conditions
Atrial Fibrillation
Interventions
Exercise
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Acute Hepatic Porphyria, Acute Intermittent Porphyria, Porphyria, Acute Intermittent, Acute Porphyria, Hereditary Coproporphyria (HCP), Variegate Porphyria (VP), ALA Dehydratase Deficient Porphyria (ADP)
Interventions
Givosiran, Placebo
Drug
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
10
States / cities
Little Rock, Arkansas • San Francisco, California • Boston, Massachusetts + 7 more
Conditions
Acute Intermittent Porphyria
Interventions
Givosiran
Drug
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
3
States / cities
San Francisco, California • New York, New York • Galveston, Texas
Conditions
Acute Hepatic Porphyria, Hepatic Porphyrias, Acute Intermittent Porphyria (AIP), Hereditary Coproporphyria (HCP), Variegate Porphyria (VP), ALA Dehydratase Deficient Porphyria (ADP), Porphyria Acute
Interventions
Not listed
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
16 Years and older
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
12
States / cities
Pasadena, California • Jacksonville, Florida • Margate, Florida + 9 more
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Sorbent Therapy of the Cutaneous Porphyrias

NCT01422915
Conditions
Erythropoietic Protoporphyria
Interventions
Colestipol
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
22 Years to 60 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts