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Data updated: Nov 12, 2026

Drug Mechanism Heatmaps

Each heatmap shows one class of drugs that work the same way, such as GLP-1 drugs, KRAS inhibitors or antibody-drug conjugates, against every disease the class is being tested in. Rows are drugs and columns are diseases; each cell holds that drug's trials in that disease, taken from ClinicalTrials.gov.

Use them to see which companies lead a class, which diseases are crowded, and which trials read out next. There are 23 classes below, with the most trials first.

IO checkpoint inhibitors

Pro

PD-1, PD-L1, CTLA-4, LAG-3, TIGIT, TIM-3 antibodies and bispecifics — the most-mature IO landscape.

115 drugs 35 indications 514 trials 66 Ph3

Antibody-drug conjugates (ADCs)

Pro

An antibody-drug conjugate (ADC) is an antibody joined to a potent drug, called the payload.

49 drugs 33 indications 388 trials 27 Ph3

T-cell engagers (CD3 bispecifics)

Pro

A T-cell engager is a bispecific antibody: one arm binds CD3 on T cells, the other binds a protein on the target cell, and pulling the two together lets the T cell kill it.

39 drugs 33 indications 223 trials 22 Ph3

GLP-1 / incretin agonists

Pro

GLP-1 drugs mimic glucagon-like peptide-1, a hormone the gut releases after a meal.

35 drugs 26 indications 208 trials 23 Ph3

EGFR family inhibitors

Pro

EGFR TKIs across generations, exon-20 selective, bispecifics, and EGFR ADCs.

55 drugs 24 indications 207 trials 20 Ph3

CD19-targeted therapies

Pro

CD19-directed therapies across modalities (CAR-T, T-cell-engaging bispecifics, mAb/ADC) AND across domains — the heme-oncology workhorse (lymphoma/leukemia) now crossing into autoimmune disease (lupus, myasthenia, scleroderma, myositis), where CD19 CAR-T "resets" the B-cell compartment.

68 drugs 33 indications 196 trials 15 Ph3

HER2 family

Pro

HER2 mAbs, ADCs, bispecifics, and small-molecule TKIs.

52 drugs 15 indications 177 trials 22 Ph3

Immunology bispecifics

Pro

Bispecific antibodies in immunology: dual cytokine blockers that hit two inflammatory pathways at once, and T-cell engagers repurposed to reset the immune system in autoimmune disease.

56 drugs 65 indications 162 trials 5 Ph3

KRAS family inhibitors

Pro

KRAS is a gene that works as an on-off switch for cell growth.

49 drugs 8 indications 126 trials 15 Ph3

JAK / TYK2 inhibitors

Pro

JAK pan / JAK1 / JAK1/2 / JAK3 / TYK2 inhibitors — the oral kinase backbone across immunology, dermatology, myeloproliferative neoplasms, and (emerging) CNS.

21 drugs 28 indications 123 trials 19 Ph3

BCMA-targeted therapies

Pro

BCMA-directed therapies across modalities — CAR-T, T-cell-engaging bispecifics, and ADCs — the dominant target in relapsed/refractory multiple myeloma.

22 drugs 12 indications 106 trials 13 Ph3

CAR-T cell therapy

Pro

CAR-T therapy uses a patient's own T cells, a type of immune cell, changed in a lab to carry a chimeric antigen receptor (CAR) that recognizes a protein on the target cells.

29 drugs 25 indications 80 trials 8 Ph3

Factor XI / XIa inhibitors

Pro

Factor XI inhibitors are blood thinners (anticoagulants) that block clotting factor XI or its active form, factor XIa.

12 drugs 9 indications 76 trials 5 Ph3

Trispecific antibodies

Pro

Antibodies that bind three different targets at once, across cancer and immunology. None is approved yet; a handful are in Phase 3.

32 drugs 62 indications 74 trials 3 Ph3

PARP / DDR inhibitors

Pro

PARP inhibitors and broader DNA-damage-response (ATR, WEE1) inhibitors.

17 drugs 14 indications 67 trials 9 Ph3

Radioligand therapies

Pro

PSMA / SSTR2 / FAP-targeted radioligand therapies — the fast-emerging precision-oncology modality.

40 drugs 15 indications 56 trials 11 Ph3

IL-23 axis inhibitors

Pro

IL-12/23 (p40) and IL-23 (p19) inhibitors — the dominant immunology class for psoriasis, IBD, and emerging.

11 drugs 5 indications 51 trials 8 Ph3

TL1A inhibitors

Pro

TL1A is a protein in the TNF family that drives inflammation and scarring (fibrosis) in the gut.

7 drugs 8 indications 34 trials 3 Ph3

Claudin 18.2 targeting

Pro

Claudin 18.2 mAbs, ADCs, bispecifics, and CAR-T across gastric and PDAC.

11 drugs 7 indications 29 trials 6 Ph3

Lp(a) lowering

Pro

Lipoprotein(a), or Lp(a), is a cholesterol-carrying particle in the blood.

14 drugs 2 indications 24 trials 4 Ph3

mRNA cancer vaccines

Pro

mRNA/saRNA therapeutic cancer vaccines — personalized-neoantigen, shared-antigen, and self-amplifying. V940 (Merck/Moderna) posted the first positive Phase 3 for an mRNA cancer vaccine — the biggest cancer-vaccine readout since sipuleucel-T (2010): INTerpath-001, adjuvant melanoma, met recurrence-free and distant-metastasis-free survival (announced Aug 2026).

10 drugs 10 indications 24 trials 3 Ph3

MTAP synthetic-lethal inhibitors

Pro

PRMT5 and MAT2A inhibitors exploiting MTAP-deletion vulnerability — selective oncology synthetic-lethal class.

6 drugs 6 indications 18 trials 1 Ph3

S1P modulators

Pro

Sphingosine-1-phosphate receptor modulators for UC, MS, and other indications.

6 drugs 5 indications 18 trials 6 Ph3

Data: ClinicalTrials.gov · Curated target-family rosters · Updated weekly.