Table of contents
- Trial overview
- Who the trial is for
- How the study is designed
- What the trial measures
- Key study details
Trial overview
The available trial is a Phase 3 study of Ampreloxetine in people with multiple system atrophy and symptomatic neurogenic orthostatic hypotension (nOH).[1] It is an interventional study, which means participants receive study treatment so researchers can compare results between groups.[1]
The study is authorised and plans to enroll 108 participants.[1] Its brief summary says the goal is to evaluate the efficacy and durability of Ampreloxetine compared with placebo over an open-label period followed by a double-blind randomized withdrawal period.[1]
Who the trial is for
This trial targets participants with MSA, a disease that affects the nervous system, and who also have symptomatic nOH.[1] The data provided here do not list all eligibility rules, but the main population is clear from the study title and summary.[1]
Symptomatic nOH means the blood pressure drop when standing is causing symptoms, such as feeling faint or dizzy.[1] The study is therefore focused on people whose day-to-day life is affected by this blood pressure problem.[1]
How the study is designed
The study includes a 12-week open-label period followed by an 8-week double-blind randomized withdrawal period.[1] In an open-label period, everyone knows which treatment is being given.[1] In a double-blind period, neither the participant nor the researchers know who is receiving which treatment, which helps make the comparison fair.[1]
The trial also compares Ampreloxetine with placebo, and the intervention list includes an active comparator, Gutron® Tabletten 2.5 mg, shown in the source data.[1] A placebo is a look-alike treatment without the active study drug, while an active comparator is another treatment used for comparison.[1]
What the trial measures
The main endpoint is the change in the OHSA composite score at Week 8 during the double-blind randomized withdrawal period.[1] An endpoint is the main result researchers use to judge whether a treatment works.[1]
OHSA is a symptom score for orthostatic hypotension, so this outcome reflects how the participant feels and functions, not only a blood pressure reading.[1] The brief summary also states that the study is looking at both efficacy and durability, meaning how well the treatment works and how long the effect lasts.[1]
Key study details
The trial ID is NCT05696717.[1] The study phase is Phase 3 and the status is Authorised.[1]
The intervention list in the source includes Ampreloxetine tablets, oral Ampreloxetine 10 mg, and Gutron® Tabletten 2.5 mg as the comparator treatment.[1] The source does not provide more details on dosing schedules beyond what is listed in the trial record.[1]


