Clinical trials: Erythropoietic Protoporphyria (EPP)
Erythropoietic Protoporphyria
Multicentre Phase III Erythropoietic Protoporphyria Study
This was a phase III, multicentre, randomised, double-blind, placebo-controlled study, to evaluate the safety and efficacy of subcutaneous bioresorbable afamelanotide implants in patients with Erythropoietic Protoporphyria (EPP).
- Trial name
- NCT04053270
- Testing
- Afamelanotide
- Volunteers
- 100 people
- Sponsor
- Clinuvel Pharmaceuticals Limited
Erythropoietic Protoporphyria
Phase III Confirmatory Study in Erythropoietic Protoporphyria
This is a randomized placebo-controlled study to be conducted in two parallel study arms for a six month period (three doses). Between 75 and 100 eligible patients will be enrolled.
- Trial name
- NCT01605136
- Testing
- Afamelanotide
- Where
- 7 sites in United States
- Volunteers
- 93 people
- Sponsor
- Clinuvel Pharmaceuticals Limited
Erythropoietic Protoporphyria
Phase III Study of L-Cysteine in Patients With Erythropoietic Protoporphyria
OBJECTIVES: I. Determine the long-term efficacy and safety of L-cysteine in the prevention photosensitivity in patients with erythropoietic protoporphyria.
- Trial name
- NCT00004940
- Testing
- cysteine hydrochloride
- Volunteers
- 50 people
- Sponsor
- Brigham and Women's Hospital
Erythropoietic Protoporphyria (EPP)
Mitoferrin-1 Expression in Erythropoietic Protoporphyria (Porphyria Rare Disease Clinical Research Consortium (RDCRC))
The purpose of this study is to identify the biochemical/genetic defects in erythropoietic protoporphyria (EPP). People with EPP have skin sensitivity to sunlight and occasionally develop liver disease.
- Trial name
- NCT01880983
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- University of Alabama at Birmingham
Erythropoietic Protoporphyria
Phase II Confirmatory Study in Erythropoietic Protoporphyria (EPP)
This is a randomized placebo-controlled study to be conducted in two parallel study arms for a six month period (three doses). Approximately 10 eligible patients per center will be enrolled and will receive afamelanotide (16 mg…
- Trial name
- NCT01097044
- Testing
- Afamelanotide
- Where
- 6 sites in United States
- Volunteers
- 77 people
- Sponsor
- Clinuvel Pharmaceuticals Limited
Protoporphyria
Effect of Bitopertin on the Liver and on Levels of Protoporphyrin IX in Bile, Blood, Liver, and Stool in Patients With Erythropoietic Protoporphyria/X-linked Protoporphyria and Increased Liver Stiffness and/or Liver Enzymes at Baseline
The primary goal of this study is to assess safety and tolerability of bitopertin in subjects with Erythropoietic Protoporphyria (EPP) or X-linked Protoporphyria (XLP) and evidence of compensated liver disease.
- Trial name
- NCT07123363
- Testing
- bitopertin
- Sponsor
- Wake Forest University Health Sciences
Erythropoietic Protoporphyria (EPP)
GATEWAY: A Phase 2a Study of PORT-77 in Adults With Erythropoietic Protoporphyria
A Phase 2a study of PORT-77 in adults with erythropoietic protoporphyria (EPP)
- Trial name
- EPP (NCT06971900)
- Testing
- PORT-77
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- Portal Therapeutics, Inc.
EPP, XLP
Extension Study to Evaluate Safety and Tolerability of Oral Dersimelagon (MT-7117) in Subjects With Erythropoietic Protoporphyria (EPP) or X-Linked Protoporphyria (XLP)
To evaluate the long-term safety and tolerability of oral dersimelagon.
- Trial name
- NCT05005975
- Testing
- MT-7117
- Where
- 45 sites in United States, Australia and 13 more
- Volunteers
- 286 people
- Sponsor
- Tanabe Pharma America, Inc.
Erythropoietic Protoporphyria
Light Exposure Patterns and Symptoms Among Patients With Erythropoietic Protoporphyria
Background: Erythropoietic protoporphyria (EPP) is characterized by development of painful skin symptoms upon exposure to visible light dye to accumulation of the photoactive substance protoporphyrin IX (PpIX) in the skin.This…
- Trial name
- NCT03682731
- Where
- 2 sites in Denmark
- Volunteers
- 14 people
- Sponsor
- Bispebjerg Hospital
Erythropoietic Protoporphyria
Pharmacokinetics of Afamelanotide in Erythropoietic Protoporphyria Patients
The purpose of this study is to evaluate the concentration of afamelanotide in serum after the administration of afamelanotide in adolescent and adult EPP patients.
- Trial name
- NCT06388642
- Testing
- Afamelanotide 16mg implant
- Where
- 2 sites in Belgium, Netherlands
- Volunteers
- 28 people
- Sponsor
- Clinuvel Europe Limited
Erythropoietic Protoporphyria (EPP), X Linked Erythropoietic Protoporphyria
Effect of Isoniazid on Protoporphyrin Levels in Erythropoietic Protoporphyria
In erythropoietic protoporphyria there is an accumulation of protoporphyrin IX (PPIX) in the plasma and liver. The reason it builds up is either the last step to make heme, insertion of iron into PPIX, is rate limiting or there…
- Trial name
- INHEPP (NCT01550705)
- Testing
- Isoniazid
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- University of Utah