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Study to Evaluate Efficacy, Safety, and Tolerability of MT-7117 in Subjects With Erythropoietic Protoporphyria

Mitsubishi Tanabe Pharma logo

Mitsubishi Tanabe Pharma

Status and phase

Completed
Phase 2

Conditions

Erythropoietic Protoporphyria (EPP)

Treatments

Drug: MT-7117 low dose
Drug: MT-7117 high dose
Drug: Placebo

Study type

Interventional

Funder types

Industry

Identifiers

NCT03520036
MT-7117-A01

Details and patient eligibility

About

The purpose of this study is to investigate the efficacy and safety of MT-7117 on sunlight exposure duration without symptoms and tolerance in subjects with EPP.

Full description

This is a Phase 2, randomized, double-blind, placebo controlled study to assess the efficacy, tolerability, and safety of MT-7117 in subjects with EPP. The study consists of a 2 week screening period, a 16 week double-blind treatment period, and a 6 week follow-up period at Week 22. The total participation period is approximately 24 weeks.

Enrollment

102 patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Additional screening criteria check may apply for qualification.

Inclusion Criteria:

    1. Subjects provided written informed consent to participate.
    1. Male and female subjects with a confirmed diagnosis of EPP based on medical history, aged 18 years to 75 years, inclusive, at Screening.
    1. Subjects are willing and able to travel to the study sites for all scheduled visits.
    1. In the Investigator's opinion, subject is able to understand the nature of the study and any risks involved in participation, and willing to cooperate and comply with the protocol restrictions and requirements (including travel).

Exclusion Criteria:

    1. History or presence of photodermatoses other than EPP.
    1. Subjects who are unwilling or unable to go outside during daylight hours (e.g., between 1 hour post sunrise and 1 hour pre-sunset) during the study.
    1. Presence of clinically significant hepatobiliary disease based on LFT values at Screening.
    1. Subjects with AST, ALT, ALP ≥3.0 × upper limit of normal (ULN) or total bilirubin >1.5 × ULN at Screening.
    1. Subjects with or having a history (in the last 2 years) of excessive alcohol intake in the opinion of the Investigator.
    1. History or presence of melanoma and/or atypical nevus at Screening.
    1. History of familial melanoma (defined as having 2 or more first-degree relatives, such as parents, sibling and/or child).
    1. History or presence of pre-malignant skin lesion squamous cell carcinoma, basal cell carcinoma, or other malignant skin lesions.
    1. History or presence of psychiatric disease judged to be clinically significant by the Investigator and which may interfere with the study evaluation and/or safety of the subjects.
    1. Presence of clinically significant acute or chronic renal disease based upon the subject's medical records including hemodialysis; and a serum creatinine level of greater than 1.2 mg/dL or a glomerular filtration rate (GFR) <60 ml/min.
    1. Presence of any clinically significant disease or laboratory abnormality which, in the opinion of the Investigator, can interfere with the study objectives and/or safety of the subjects.
    1. Pregnancy or lactation.
    1. Females of child bearing potential and male subjects with partners of child-bearing potential unwilling to use adequate contraception measures as described in the protocol.
    1. Treatment with phototherapy within 3 months before Randomization (Visit 2).
    1. Treatment with afamelanotide within 3 months before Randomization (Visit 2).
    1. Treatment with cimetidine within 4 weeks before Randomization (Visit 2).
    1. Treatment with antioxidant agents at doses which, in the opinion of the Investigator, may affect study endpoints (including but not limited to beta-carotene, cysteine, pyridoxine) within 4 weeks before Randomization (Visit 2).
    1. Chronic treatment with prescription-based analgesic agents including but not limited to opioids and opioid derivatives such as morphine, hydrocodone, oxycodone or their combination with other analgesics or non-steroidal anti-inflammatory drug (NSAID, as Percocet and Vicodin-like prescription drugs) within 4 weeks before Randomization (Visit 2).
    1. Treatment with any drugs or supplements which, in the opinion of the Investigator, can interfere with the objectives of the study or safety of the subjects.
    1. Previous exposure to MT 7117.
    1. Previous treatment with any investigational agent within 12 weeks before Screening OR 5 half-lives of the investigational product (whichever is longer).

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

102 participants in 3 patient groups, including a placebo group

MT-7117 low dose
Experimental group
Treatment:
Drug: MT-7117 low dose
MT-7117 high dose
Experimental group
Treatment:
Drug: MT-7117 high dose
Placebo
Placebo Comparator group
Treatment:
Drug: Placebo

Trial documents
2

Trial contacts and locations

9

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Data sourced from clinicaltrials.gov

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