Explore popular diseases in clinical trials

Check which popular diseases are currently being frequently studied.

See also our rare diseases glossary and drug database.

Starting by letter

To open the diseases glossary, select a letter from the list below.

Most popular diseases

The list below features the most popular diseases currently involved in ongoing clinical trials.

Disease Trials
Non-small cell lung cancer 238
Breast cancer 131
Neoplasm 124
Plasma cell myeloma 122
Acute myeloid leukaemia 102
Neoplasm malignant 91
Prostate cancer 89
Colitis ulcerative 87
Obesity 81
Colorectal cancer metastatic 80
Crohn’s disease 76
Dementia Alzheimer’s type 75
Type 2 diabetes mellitus 71
Ovarian cancer 71
Colorectal cancer 69
Dermatitis atopic 66
Malignant melanoma 65
Breast cancer metastatic 65
Hepatocellular carcinoma 63
Triple negative breast cancer 62
Chronic lymphocytic leukaemia 60
Asthma 60
Non-small cell lung cancer metastatic 59
Squamous cell carcinoma of head and neck 58
Rheumatoid arthritis 58
HIV infection 57
Hormone receptor positive HER2 negative breast cancer 55
Osteoarthritis 55
Renal transplant 50
Pancreatic carcinoma 49
Chronic kidney disease 49
Ischaemic stroke 45
Parkinson’s disease 44
Atrial fibrillation 44
Systemic lupus erythematosus 43
Multiple sclerosis 42
Gastric cancer 42
Oesophageal adenocarcinoma 40
Hormone-refractory prostate cancer 40
Bladder cancer 40
Chronic obstructive pulmonary disease 40
Psoriasis 40
Non-small cell lung cancer stage IV 40
Migraine 39
Major depression 38
Endometrial cancer 38
Psoriatic arthropathy 37
Overweight 36
Myelodysplastic syndrome 36
Glioblastoma 36
Transitional cell carcinoma 36
Cardiac failure 35
Diffuse large B-cell lymphoma 35
Hormone receptor positive breast cancer 33
Systemic scleroderma 33
Schizophrenia 32
Type 1 diabetes mellitus 32
COVID-19 32
Cholangiocarcinoma 32
Prostate cancer metastatic 31
Head and neck cancer 31
Hidradenitis 31
HER2 positive breast cancer 30
Adenocarcinoma pancreas 30
Myasthenia gravis 30
Cervix carcinoma 29
Coronary artery disease 29
Acute lymphocytic leukaemia 29
Renal cell carcinoma 29
Rectal cancer 29
Pulmonary arterial hypertension 28
Follicular lymphoma 28
Plasma cell myeloma refractory 28
Pancreatic carcinoma metastatic 27
Oesophageal carcinoma 27
Depression 27
Bladder transitional cell carcinoma 27
Adenocarcinoma gastric 26
Pneumonia 26
Procedural pain 25
Interstitial lung disease 25
Metastatic malignant melanoma 25
B-cell lymphoma 25
Acute myocardial infarction 25
Myelofibrosis 24
Non-small cell lung cancer stage III 24
Colon cancer 24
Amyotrophic lateral sclerosis 24
Non-small cell lung cancer stage IIIB 24
Idiopathic pulmonary fibrosis 24
Fallopian tube cancer 23
Small cell lung cancer 23
Breast cancer female 23
Sjogren’s syndrome 23
B-cell small lymphocytic lymphoma 22
Soft tissue sarcoma 22
Cardiac amyloidosis 22
Lung neoplasm malignant 22
Sepsis 22
Small cell lung cancer extensive stage 22

Diseases starting with d

  • 18

    Duchenne muscular dystrophy

    Duchenne muscular dystrophy is a severe genetic disorder that progressively weakens muscles throughout the body, primarily affecting boys and leading to difficulties with movement, breathing, and heart function.

  • 10

    Ductal adenocarcinoma of pancreas

    Pancreatic ductal adenocarcinoma is the most common and deadliest form of pancreatic cancer, affecting thousands of people each year. Understanding this disease, its symptoms, and treatment options can help patients and their families navigate the difficult journey ahead.

  • 4

    Dupuytren’s contracture

    Dupuytren’s contracture is a hand condition that causes one or more fingers to bend toward the palm, making them impossible to straighten completely. This gradual condition affects the tissue beneath the skin and most commonly impacts the ring and little fingers.

  • 1

    Dyskinesia

    Dyskinesia refers to involuntary, uncontrolled movements that can affect different parts of the body. While often linked to Parkinson’s disease treatment, it’s not a symptom of the disease itself, but rather a complication that can develop from certain medications.

  • 3

    Dyslipidaemia

    Dyslipidaemia is a condition where the levels of fats in your blood are not in the healthy range, which can increase your risk of heart disease and stroke.

  • 1

    Dysmenorrhoea

    Dysmenorrhoea, the medical term for painful menstrual periods, affects more than half of women who menstruate and is one of the most common reasons for school and work absence among those of reproductive age.

  • 7

    Dyspepsia

    Dyspepsia, commonly known as indigestion, is a widespread digestive problem affecting up to one in four people at some point in their lives, causing discomfort in the upper belly that can range from mild to severe.

  • 1

    Dyspnoea

    Dyspnoea, commonly known as shortness of breath, is the uncomfortable feeling that you cannot get enough air into your lungs. It can affect your daily activities and quality of life, but understanding its causes and learning to manage it can help you breathe easier.

  • 1

    Dystonia

    Dystonia is a movement disorder that causes muscles to contract involuntarily, leading to twisting motions, repetitive movements, or unusual postures that a person cannot control. The condition can affect one part of the body or spread to multiple areas, and while there is no cure, various treatments can help manage symptoms and improve quality of life.

  • 1

    Dystonic tremor

    Dystonic tremor is a specific type of shaking that occurs when muscles tense up involuntarily due to dystonia, a disorder that causes unwanted muscle contractions.