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Clinical trials and research at Centessa Pharmaceuticals plc

• 2Clinical trials
• 5Countries

All recruiting trials (2)

• Test of Cleminorexton vs placebo for central hypersomnolence in NT1/NT2

  This study tests cleminorexton to see if it helps daytime sleepiness in adults with Narcolepsy Type 1 or Type 2 compared with a placebo.

  Recruiting at 26 sites Phase 2/3 Centessa Pharmaceuticals plc · Birmingham, Alabama and 25 other locations · NCT07598708

• Testing ORX750 for Narcolepsy and Idiopathic Hypersomnia

  This study is testing a new medication called ORX750 to see if it can help people with narcolepsy or idiopathic hypersomnia feel more awake and improve their daily lives.

  Recruiting at 37 sites Phase 2 Centessa Pharmaceuticals plc · Auburn, Alabama and 36 other locations · NCT06752668

Quick answers

How many clinical trials run by Centessa Pharmaceuticals plc are recruiting right now?

2, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 5 countries. The most sites are in United States (2 trials), Canada (1 trial), France (1 trial), Italy (1 trial), Spain (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 2/3: 1, Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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