Trials Tracker

Welcome to the Trials Tracker, bringing together all the cystic fibrosis (CF) trials currently recruiting in the UK so that you can find clinical trials you can take part in both in your region and further afield. The Trials Tracker is a new resource that we’ll be developing over time based on your feedback. If you’ve used the Trials Tracker and want to share your opinion, please complete our online poll or get in touch at clinicaltrials@cysticfibrosis.org.uk.

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A Phase 2 study of ABBV-3067 alone and in combination with ABBV-2222

In this study, participants will be given ABBV-3067 (“potentiator”) and ABBV-2222 (“corrector”) to see if treatment improves participants’ lung function. Different groups of participants will receive different doses, and some will receive a dummy drug (“placebo”). This study evaluates the safety and efficacy (how well the medications work) of the medications and the best dose of each medicine to be used in future studies. This is a Phase 2, double-blinded (treatment type is unknown to participants and investigators) study in people with CF who have two copies of the F508del mutation (the most common CFTR gene mutation). Participants go through a screening process (up to a month) and receive study treatment for up to a month, followed by a review, a month later. Tests done for the study include lung function tests, sweat chloride tests, blood and urine tests, and ECG. Side effects are monitored through the course of the study.

A study of the combined effects of three CFTR modulator medicines in people with cystic fibrosis aged 12 and older (VX18 445 113)

In order to take part in this study you will already be taking part in the VX17-659-105 study, taking VX-659 with tezacaftor and ivacaftor. For this new study, you will switch to taking VX-445 instead of VX-659. Both combinations work in the same way. VX-445 is a medicine being studied for how well it works and how safe it is in people with cystic fibrosis. Your participation in this study will help us learn more about the long-term safety of VX-445 in combination with tezacaftor and ivacaftor. All three are CFTR modulators which means that they help the faulty CFTR protein to work properly. Tezacaftor is already approved for use and is what is known as a ‘corrector’. Ivacaftor is also already approved for use and is what is known as a ‘potentiator’. VX-445 is a corrector. Everyone in the study will get the study medications.If you meet the criteria for being in the study, you will take VX-445, tezacaftor and ivacaftor in the morning (in 2 tablets), and ivacaftor in the evening (1 tablet). You will be asked to come into clinic around 12 times over the 22-month (nearly 2 years) participation period. During visits, the effect of the treatment will be measured with sample collection, lung function, ECG and other medical checks.You will also receive 14 telephone calls during the participation period, each lasting around half an hour. You do not have to come to clinics for these calls.

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Trial Reference Number
124763
Trial status
Closed - in follow up
Therapeutic category
Restore CFTR Function

HIT-CF Organoid Study

New innovative and effective ‘mutation-specific’ drugs are available or in development for up to 90% of people with CF (ie. those with the most common 20-30 mutations). These are called ‘CFTR modulators.’ However, this leaves an important minority (~10%) of people with CF with no modulator in development as their mutations are very rare and only a small number of individuals have these specific mutations, making studying these patients in traditional trials very challenging. Therefore, the Human Individualized Treatment for CF (HIT-CF) project has been developed to address this unmet need, ie. to develop personalised treatments for this important group. HIT-CF is a Europe-wide, multi-centre project, which comprises two parts: The first part - the organoid study - in which patients with rare CFTR mutations will be recruited and intestinal organoids produced from rectal biopsies from each patient will be generated. Intestinal organoids, sometimes called ‘mini-intestines,’ are cell cultures made from stem cells so they contain the same mutations as the person from whom the biopsies are derived. Using this laboratory model, candidate modulator drugs can then be tested to assess for responsiveness (thus potentially predicting response in real life). In the second part of HIT-CF - the clinical trial - these modulators will then be tested in patients identified from the organoid study as likely responders, thus increasing the likelihood of showing efficacy. We plan to test drugs on organoids derived from 500 patients across Europe.

A study to learn more about a combination of CFTR modulator medicines in people with Cystic Fibrosis (VX 18 445 104)

This study is being done to learn more about a new medication called ‘VX-445’ when taken in combination with tezacaftor and ivacaftor. All three of these medications are known as CFTR modulators. CFTR modulators work to treat the underlying genetic cause of cystic fibrosis. This combination of medication is being assessed in people with Cystic Fibrosis who are 12 years and older and who are heterozygous for the F508del mutation and a gating or residual function mutation. The study will investigate how well these medications work and to check that they are safe to use. It is the hope that this combination of medications will have positive effects in some people with Cystic Fibrosis Participants will be asked to come into the clinic at the recruitment centre 9 times over a 5 month period where a study assessment will take place (blood tests, questionnaires, lung function etc.).

Intravenous iron in adults with cystic fibrosis

Adults with cystic fibrosis often have low iron levels (iron deficiency). This is partly due to poor absorption of iron from the gut, and partly to the trapping of iron within cells of the immune system during periods of infection. Unfortunately, iron tablets are often ineffective in this setting, and may cause significant side effects in patients with cystic fibrosis. In other patient groups, intravenous iron is used routinely to correct iron deficiency. In these patients it has been shown to be safe, and to improve energy levels, exercise tolerance, cognitive function and quality of life, even in the absence of anaemia. Recent research suggests that iron may be particularly beneficial in patients with heart and lung disease. Despite these possible benefits, IV iron is rarely used in patients with CF, due in part to concerns about encouraging the growth of bacterial in the lungs. Iron deficiency therefore often goes untreated. However, since no clinical trials have examined the use of IV iron in CF patients to date, the risks and benefits remain uncertain. We plan to undertake a small pilot study examining the effects of IV iron in 20 adults with CF and low iron levels. We will primarily assess whether intravenous iron is safe and effective at treating iron deficiency in this group, but will also study various other clinical parameters, to guide the design of future larger studies.