Skip to content
Clinical Trials – home

Rare diseases

Investigational molecules

Locations

Our offerNewsroom

The NetherlandsBack to the Netherlands

Clinical trials in Leiden – page 16

401 clinical trials in Leiden, The Netherlands across 4 research sites. Every trial is listed in the EU Clinical Trials Register and updated daily.

The NetherlandsOur site in the NetherlandsKlinischOnderzoek.nl(opens in a new tab)
Leiden at a glance
401
clinical trials
  • Research sites4
Type of trial
Recruitment status
Quick filters

401 trials in Leiden

Open in trial search

Pituitary-dependent Cushing's syndrome

Not yet recruiting

Efficacy and Safety of Atumelnant, Hydrocortisone and Prednisone in Adults with ACTH‑Dependent Cushing’s Syndrome: A Phase 2/3 Dose‑Finding Study

Registered drug
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:ATUMELNANT
  • Sponsor:Crinetics Pharmaceuticals Inc.

Arteriosclerosis

Not yet recruiting

A study to evaluate the effect of muvalaplin on reducing major cardiovascular events in adults with high levels of lipoprotein(a) and atherosclerotic cardiovascular disease.

Investigational
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Sponsor:Eli Lilly & Co.

Parkinson's disease

Not yet recruiting

A study to test if BHV-8000 is effective and safe for adults with early Parkinson's disease

Registered drug
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:Ioflupane (123I)
  • Sponsor:Biohaven Therapeutics Ltd.

Arteriosclerosis

Not yet recruiting

Study of Olpasiran to prevent first major cardiovascular events in people with high levels of lipoprotein(a)

Investigational
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Sponsor:Amgen Inc.

Systemic scleroderma+1

Not yet recruiting

Study of Amlitelimab and BI 1015550 for Patients with Interstitial Lung Disease Due to Scleroderma

Investigational
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:Amlitelimab
  • Sponsor:Scleroderma Research Foundation

Bladder transitional cell carcinoma stage I

Not yet recruiting

Efficacy of Enfortumab Vedotin plus Pembrolizumab in Adult Patients with Muscle‑Invasive Bladder Cancer Using a Bladder‑Sparing Response‑Adapted Approach

Registered drugNo placebo
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:Enfortumab Vedotin
  • Sponsor:Het Nederlands Kanker Instituut-Antoni van Leeuwenhoek Ziekenhuis Stichting

Rheumatoid arthritis

Not yet recruiting

Optimizing biologic tapering in patients with rheumatoid arthritis using tocilizumab, drug combination, and olfactory placebo conditioning

Registered drug
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:Abatacept

Endometrial cancer

Not yet recruiting

Study of GSK5733584 versus paclitaxel or doxorubicin in patients with advanced or recurrent endometrial cancer after platinum‑based chemotherapy and immunotherapy

Registered drugNo placebo
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:GSK5733584
  • Sponsor:Glaxosmithkline Research & Development Limited

Choroid melanoma

Not yet recruiting

Long‑Term Follow‑Up Study of Belzupacap Sarotalocan in Patients with Early Choroidal Melanoma

Investigational
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:Belzupacap Sarotalocan
  • Sponsor:Aura Biosciences Inc.

Optic ischaemic neuropathy

Not yet recruiting

Efficacy and Safety of Intranasal Cenegermin in Adults with Non‑Arteritic Anterior Ischemic Optic Neuropathy (NAION)

Investigational
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:Cenegermin
  • Sponsor:Dompe' Farmaceutici S.p.A.

Cluster headache

Not yet recruiting

Sodium Oxybate for Nocturnal Cluster Headache Attacks in Adults with Chronic Cluster Headache: A Phase 2 Randomized, Double‑Blind, Placebo‑Controlled Study

Registered drug
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:Sodium Oxybate
  • Sponsor:Leids Universitair Medisch Centrum (LUMC)

Hepatic cirrhosis

Not yet recruiting

Low‑dose human serum albumin versus standard dose during large‑volume paracentesis in patients with liver cirrhosis

Registered drugNo placebo
Countries:The NetherlandsThe Netherlands
  • Participants:18–64 years · 65+ years
  • Substances:Human Serum Albumin
  • Sponsor:Amsterdam UMC Stichting

Other cities in the Netherlands

The busiest research cities in the country

All 103 cities in the Netherlands

Clinical research in Leiden

What the registry says about research in the country

01 Infectious Diseases Research

Innovative studies focusing on viral infections including trials evaluating vaccines against yellow fever, influenza, and mpox. Research includes assessment of antibody responses and vaccine effectiveness in different populations.

  • Influenza vaccine efficacy in elderly
  • Yellow fever prophylaxis
  • Mpox booster vaccination

Particular emphasis on preventive strategies and immune response evaluation.

02 Neurological Studies

Comprehensive research targeting neurological conditions, including investigations into Parkinson's disease treatments and neural response patterns. Studies examine innovative therapeutic approaches.

  • Parkinson's Disease treatments
  • CNS response analysis
  • Cerebral Amyloid Angiopathy

Focus on developing targeted therapies and understanding brain mechanisms.

03 Cancer and Chronic Conditions

Advanced research in oncology and chronic diseases, including studies on gastric cancer imaging and T-cell lymphoma treatments. Investigations into kidney disease management.

  • Advanced solid tumors
  • Gastric cancer diagnosis
  • Chronic kidney disease

Emphasis on innovative diagnostic techniques and treatment approaches.

Back to the NetherlandsAll countries
Clinical Trials Concierge

Prefer not to search? Our Concierge searches the trials for you.

Tell us about your condition – we search every trial in Europe and connect you with the right site.