20 Participants NeededMy employer runs this trial

Donidalorsen for Hereditary Angioedema

Recruiting at 7 trial locations
IP
Overseen ByIonis Pharmaceuticals, Inc.
Age: < 18
Sex: Any
Trial Phase: Phase 3
Sponsor: Ionis Pharmaceuticals, Inc.
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Pivotal Trial (Near Approval)This treatment is in the last trial phase before FDA approval
Prior Safety DataThis treatment has passed at least one previous human trial

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial aims to evaluate the safety and effectiveness of donidalorsen, a treatment for children with hereditary angioedema (HAE) Types I and II. HAE causes sudden swelling attacks without itching, often affecting the skin or mucous areas like the throat. The trial will test donidalorsen in three groups based on the child's weight to ensure proper dosing. Children diagnosed with HAE who experience recurring swelling episodes without hives may be suitable candidates. As a Phase 3 trial, this study represents the final step before FDA approval, offering participants a chance to contribute to the potential availability of a new treatment.

Do I have to stop taking my current medications for the trial?

The trial information does not specify if you need to stop taking your current medications. It's best to discuss this with the trial coordinators or your doctor.

Is there any evidence suggesting that donidalorsen is likely to be safe for humans?

Research has shown that donidalorsen is generally safe for people with hereditary angioedema (HAE). Studies have found that it reduces the number of HAE attacks, indicating its effectiveness. Importantly, safety data do not reveal any major negative effects on heart health or vital signs. In teenagers, donidalorsen was safe and improved their quality of life. Long-term use also proved effective and was preferred by many patients. Current studies indicate that donidalorsen has a strong safety record in humans.12345

Why do researchers think this study treatment might be promising for hereditary angioedema?

Donidalorsen is unique because it offers a new approach for treating hereditary angioedema by targeting the kinin-kallikrein pathway, which is crucial in the disease's pathology. Unlike conventional treatments, which often focus on managing symptoms or acute attacks, donidalorsen aims to prevent these attacks from happening in the first place. Researchers are excited about its potential to provide more consistent relief and improve the quality of life for patients, as it might reduce the frequency and severity of these unpredictable and debilitating episodes.

What evidence suggests that donidalorsen might be an effective treatment for hereditary angioedema?

Research has shown that donidalorsen greatly reduces the number of hereditary angioedema (HAE) attacks. In one study, patients experienced 97% fewer attacks over four years. Other studies demonstrated a 62% decrease in attacks compared to before treatment. Many patients even reported no attacks after switching from their previous treatments. These findings suggest that donidalorsen could be a strong option for managing HAE. Participants in this trial will receive donidalorsen based on their weight group, with treatment administered over one year.45678

Are You a Good Fit for This Trial?

This trial is for children aged 2 to under 12 years who weigh at least 9 kg and have hereditary angioedema (HAE) type I or II, confirmed by specific blood tests or genetic testing.

Inclusion Criteria

I am between 2 and 11 years old.
I weigh at least 9 kg.
I have a history of swelling attacks without hives.
See 2 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

3 months

Treatment

Participants receive donidalorsen for one year to evaluate safety, efficacy, and pharmacokinetics

12 months

Follow-up

Participants are monitored for safety and effectiveness after treatment

3 months

What Are the Treatments Tested in This Trial?

Interventions

  • Donidalorsen

Trial Overview

The study is testing donidalorsen, a new medication, to see how safe it is and how children's bodies process it when used to treat hereditary angioedema. All participants will receive the drug.

How Is the Trial Designed?

3

Treatment groups

Experimental Treatment

Group I: Donidalorsen: Group 3Experimental Treatment1 Intervention
Group II: Donidalorsen: Group 2Experimental Treatment1 Intervention
Group III: Donidalorsen: Group 1Experimental Treatment1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Ionis Pharmaceuticals, Inc.

Lead Sponsor

Trials
151
Recruited
27,800+
Dr. Brett P. Monia profile image

Dr. Brett P. Monia

Ionis Pharmaceuticals, Inc.

Chief Executive Officer since 2020

PhD in Pharmacology from the University of Pennsylvania, BSc in Molecular Biology and Analytical Chemistry from Stockton State College

Dr. Eric Bastings profile image

Dr. Eric Bastings

Ionis Pharmaceuticals, Inc.

Chief Medical Officer

MD

Citations

1.

pubmed.ncbi.nlm.nih.gov

pubmed.ncbi.nlm.nih.gov/40673861/

Donidalorsen Treatment of Hereditary Angioedema in ...

Conclusions: Donidalorsen was well tolerated, decreased HAE attack rate, and improved QoL and disease control. Most patients preferred ...

Ionis presents new data demonstrating long-term disease ...

In the Phase 2 OLE study, patients treated with DAWNZERA Q4W showed a 97% mean HAE attack rate reduction over four years. The median attack-free ...

Efficacy and Safety of Donidalorsen for Hereditary ...

Donidalorsen treatment reduced the hereditary angioedema attack rate, a finding that supports potential prophylactic use for hereditary angioedema.

Donidalorsen Treatment of Hereditary Angioedema in ...

Clinical efficacy outcomes. Overall, patients switching from any prior LTP had a mean 62% reduction in HAE attacks from baseline (with the prior LTP) after ...

Safety and Efficacy of Donidalorsen in Adolescent Patients ...

In the phase 3 OASIS-HAE study (NCT05139810), donidalorsen reduced hereditary angioedema (HAE) attack rates overall and in adolescent patients.

6.

pubmed.ncbi.nlm.nih.gov

pubmed.ncbi.nlm.nih.gov/38819395/

Efficacy and Safety of Donidalorsen for Hereditary ...

Donidalorsen treatment reduced the hereditary angioedema attack rate, a finding that supports potential prophylactic use for hereditary ...

219407Orig1s000 - accessdata.fda.gov

09/19/2023: Donidalorsen orphan drug designation granted for IND 142564 for the treatment of hereditary angioedema. • 08/21/2024: NDA 219407 ...

Efficacy and Safety of Donidalorsen for Hereditary ...

Donidalorsen treatment reduced the hereditary angioedema attack rate, a finding that supports potential prophylactic use for hereditary angioedema.