StatOrigin open statistical archive
Live Industries Statistics Regions Rankings Reports Compare Sources

C21 · Pharmaceuticals · US

Clinical trial starts in United States

United States: 34 (alzheimer's disease drug trial starts, 2025), −10.5% on 2024.

  • 34 Latest · 2025
  • −10.5% vs 2024
  • 70Records · 10 measures

Annual · 1 publisher · Next period 2026

All clinical trial starts statistics

Alzheimer's disease drug trial starts in United States

Fig 1 · C21 · United States Annual

Alzheimer's disease drug trial starts

United States, 2020 to 2025

6 observations · 2020 to 2025
Alzheimer's disease drug trial startsAlzheimer's disease drug trial starts. 6 observations from 2020 to 2025, ranging from 30 to 56. Latest value 34 (2025). 0 10 20 30 40 50 60 2020 2021 2022 2023 2024 2025 37 34
Alzheimer's disease drug trial startsAlzheimer's disease drug trial starts. 6 observations from 2020 to 2025, ranging from 30 to 56. Latest value 34 (2025). 0 20 40 60 2020 2021 2022 2023 2024 2025 37 34
Alzheimer's disease drug trial startsAlzheimer's disease drug trial starts. 6 observations from 2020 to 2025, ranging from 30 to 56. Latest value 34 (2025). 0 20 40 60 2020 2021 2022 2023 2024 2025 37 34
View the underlying data
Alzheimer's disease drug trial starts
Period Type Value
2020 Actual 37
2021 Actual 56
2022 Actual 50
2023 Actual 30
2024 Actual 38
2025 Actual 34
Source: ClinicalTrials.gov · CC BY 4.0 · statorigin.org

Every record

70 records across 10 measures, newest first within each. Each period opens its record and evidence.

MeasurePeriodValueSource
Alzheimer's disease drug trial starts 2025 34 ClinicalTrials.gov
Alzheimer's disease drug trial starts 2024 38 ClinicalTrials.gov
Alzheimer's disease drug trial starts 2023 30 ClinicalTrials.gov
Alzheimer's disease drug trial starts 1 Jan 2023 to 27 Sep 2026 128 ClinicalTrials.gov
Alzheimer's disease drug trial starts 2022 50 ClinicalTrials.gov
Alzheimer's disease drug trial starts 2021 56 ClinicalTrials.gov
Alzheimer's disease drug trial starts 2020 37 ClinicalTrials.gov
Antibody-drug conjugate trial starts 2025 144 ClinicalTrials.gov
Antibody-drug conjugate trial starts 2024 105 ClinicalTrials.gov
Antibody-drug conjugate trial starts 2023 94 ClinicalTrials.gov
Antibody-drug conjugate trial starts 1 Jan 2023 to 27 Sep 2026 428 ClinicalTrials.gov
Antibody-drug conjugate trial starts 2022 96 ClinicalTrials.gov
Antibody-drug conjugate trial starts 2021 94 ClinicalTrials.gov
Antibody-drug conjugate trial starts 2020 73 ClinicalTrials.gov
Autoimmune cell therapy and T-cell engager trial starts 2025 21 ClinicalTrials.gov
Autoimmune cell therapy and T-cell engager trial starts 2024 27 ClinicalTrials.gov
Autoimmune cell therapy and T-cell engager trial starts 1 Jan 2023 to 27 Sep 2026 67 ClinicalTrials.gov
Autoimmune cell therapy and T-cell engager trial starts 2023 5 ClinicalTrials.gov
Autoimmune cell therapy and T-cell engager trial starts 2022 2 ClinicalTrials.gov
Autoimmune cell therapy and T-cell engager trial starts 2021 0 ClinicalTrials.gov
Autoimmune cell therapy and T-cell engager trial starts 2020 1 ClinicalTrials.gov
Cardiometabolic RNA and next-generation lipid drug trial starts 2025 26 ClinicalTrials.gov
Cardiometabolic RNA and next-generation lipid drug trial starts 2024 35 ClinicalTrials.gov
Cardiometabolic RNA and next-generation lipid drug trial starts 1 Jan 2023 to 27 Sep 2026 90 ClinicalTrials.gov
Cardiometabolic RNA and next-generation lipid drug trial starts 2023 13 ClinicalTrials.gov
Cardiometabolic RNA and next-generation lipid drug trial starts 2022 25 ClinicalTrials.gov
Cardiometabolic RNA and next-generation lipid drug trial starts 2021 22 ClinicalTrials.gov
Cardiometabolic RNA and next-generation lipid drug trial starts 2020 6 ClinicalTrials.gov
Gene editing trial starts 2025 15 ClinicalTrials.gov
Gene editing trial starts 2024 17 ClinicalTrials.gov
Gene editing trial starts 1 Jan 2023 to 27 Sep 2026 54 ClinicalTrials.gov
Gene editing trial starts 2023 10 ClinicalTrials.gov
Gene editing trial starts 2022 13 ClinicalTrials.gov
Gene editing trial starts 2021 8 ClinicalTrials.gov
Gene editing trial starts 2020 8 ClinicalTrials.gov
GLP-1, incretin multi-agonist and amylin trial starts 2025 107 ClinicalTrials.gov
GLP-1, incretin multi-agonist and amylin trial starts 2024 98 ClinicalTrials.gov
GLP-1, incretin multi-agonist and amylin trial starts 2023 70 ClinicalTrials.gov
GLP-1, incretin multi-agonist and amylin trial starts 1 Jan 2023 to 27 Sep 2026 378 ClinicalTrials.gov
GLP-1, incretin multi-agonist and amylin trial starts 2022 42 ClinicalTrials.gov
GLP-1, incretin multi-agonist and amylin trial starts 2021 51 ClinicalTrials.gov
GLP-1, incretin multi-agonist and amylin trial starts 2020 20 ClinicalTrials.gov
Inflammatory bowel disease drug trial starts 2025 37 ClinicalTrials.gov
Inflammatory bowel disease drug trial starts 2024 35 ClinicalTrials.gov
Inflammatory bowel disease drug trial starts 2023 36 ClinicalTrials.gov
Inflammatory bowel disease drug trial starts 1 Jan 2023 to 27 Sep 2026 146 ClinicalTrials.gov
Inflammatory bowel disease drug trial starts 2022 35 ClinicalTrials.gov
Inflammatory bowel disease drug trial starts 2021 42 ClinicalTrials.gov
Inflammatory bowel disease drug trial starts 2020 32 ClinicalTrials.gov
KRAS and RAS inhibitor trial starts 2025 24 ClinicalTrials.gov
KRAS and RAS inhibitor trial starts 2024 34 ClinicalTrials.gov
KRAS and RAS inhibitor trial starts 1 Jan 2023 to 27 Sep 2026 116 ClinicalTrials.gov
KRAS and RAS inhibitor trial starts 2023 25 ClinicalTrials.gov
KRAS and RAS inhibitor trial starts 2022 22 ClinicalTrials.gov
KRAS and RAS inhibitor trial starts 2021 20 ClinicalTrials.gov
KRAS and RAS inhibitor trial starts 2020 11 ClinicalTrials.gov
Oncology bispecific antibody trial starts 2025 117 ClinicalTrials.gov
Oncology bispecific antibody trial starts 2024 78 ClinicalTrials.gov
Oncology bispecific antibody trial starts 2023 62 ClinicalTrials.gov
Oncology bispecific antibody trial starts 1 Jan 2023 to 27 Sep 2026 352 ClinicalTrials.gov
Oncology bispecific antibody trial starts 2022 64 ClinicalTrials.gov
Oncology bispecific antibody trial starts 2021 58 ClinicalTrials.gov
Oncology bispecific antibody trial starts 2020 32 ClinicalTrials.gov
Radioligand therapy trial starts 2025 39 ClinicalTrials.gov
Radioligand therapy trial starts 2024 37 ClinicalTrials.gov
Radioligand therapy trial starts 1 Jan 2023 to 27 Sep 2026 127 ClinicalTrials.gov
Radioligand therapy trial starts 2023 24 ClinicalTrials.gov
Radioligand therapy trial starts 2022 27 ClinicalTrials.gov
Radioligand therapy trial starts 2021 15 ClinicalTrials.gov
Radioligand therapy trial starts 2020 17 ClinicalTrials.gov

Frequently asked questions

What is the latest clinical trial starts figure for United States?

United States: 34 alzheimer's disease drug trial starts in 2025, −10.5% on 2024.

Where does the United States data come from?

70 records from 70 documents by ClinicalTrials.gov. Each figure links to its record and its original source evidence.

Cite this page

Free to reuse under CC BY 4.0 with attribution to StatOrigin and the original publisher.

StatOrigin. (2026). Clinical trial starts in United States [Data set]. Retrieved October 28, 2026, from https://statorigin.org/statistics/clinical-trial-starts/united-states

"Clinical trial starts in United States." StatOrigin, 2026, https://statorigin.org/statistics/clinical-trial-starts/united-states. Accessed 28 Oct. 2026.

StatOrigin. "Clinical trial starts in United States." Data set, 2026. Accessed October 28, 2026. https://statorigin.org/statistics/clinical-trial-starts/united-states.

@misc{statorigin_clinical_trial_starts_united_states_2026, title = {Clinical trial starts in United States}, author = {{StatOrigin}}, year = {2026}, url = {https://statorigin.org/statistics/clinical-trial-starts/united-states}, note = {Data set. Accessed 2026-10-28} }