Known targets — ChEMBL curated mechanism
The experimentally established mechanism targets of Tiotropium. The predicted profile below is derived independently by chemical similarity — agreement is a validation signal, a miss is honest.
Predicted protein targets (top 19)
| gene | UniProt | supporting neighbours | confidence | |
|---|---|---|---|---|
| ▸ | CHRM3 known ✓ | P20309 | 17/20 | 0.98 |
| ▸ | CHRM2 | P08172 | 8/20 | 0.98 |
| ▸ | CHRM1 | P11229 | 6/20 | 0.96 |
| ▸ | CHRM4 | P08173 | 3/20 | 0.96 |
| ▸ | CHRM5 | P08912 | 3/20 | 0.96 |
| ▸ | TSPO | P30536 | 1/20 | 0.96 |
| ▸ | ADRA1A | P35348 | 1/20 | 0.96 |
| ▸ | HRH1 | P35367 | 1/20 | 0.96 |
| ▸ | OPRK1 | P41145 | 1/20 | 0.96 |
| ▸ | KCNH2 | Q12809 | 1/20 | 0.96 |
| ▸ | PDE3A | Q14432 | 1/20 | 0.96 |
| ▸ | TMEM97 | Q5BJF2 | 1/20 | 0.96 |
| ▸ | ADRB2 | P07550 | 1/20 | 0.48 |
| ▸ | BLM | P54132 | 2/20 | 0.47 |
| ▸ | CYP3A4 | P08684 | 1/20 | 0.45 |
| ▸ | CYP2C9 | P11712 | 1/20 | 0.45 |
| ▸ | TSHR | P16473 | 1/20 | 0.45 |
| ▸ | HIF1A | Q16665 | 1/20 | 0.45 |
| ▸ | HSD17B10 | Q99714 | 1/20 | 0.45 |
Click a target to see other patent compounds predicted against it — the reverse direction, in place.
Similar compounds — the chemically nearest patent molecules
Nearest neighbours by Morgan-fingerprint cosine across the patent-compound collection, with each neighbour's top predicted target and the predicted targets it shares with this molecule.
| Compound | similarity | top predicted | shared targets | |
|---|---|---|---|---|
| Tiotropium SCHEMBL2231775 | 1.00 | CHRM3 (0.98) | CHRM3CHRM2CHRM1CHRM4CHRM5 | |
| Tiotropium SCHEMBL2231780 | 1.00 | CHRM3 (0.98) | CHRM3CHRM2CHRM1CHRM4CHRM5 | |
| Tiotropium SCHEMBL155761 | 0.99 | CHRM3 (0.98) | CHRM3CHRM2CHRM1CHRM4CHRM5 | |
| Tiotropium SCHEMBL1260971 | 0.99 | CHRM3 (0.96) | CHRM3CHRM2CHRM1CHRM4CHRM5 | |
| Tiotropium SCHEMBL19581677 | 0.99 | CHRM3 (1.00) | CHRM3CHRM2CHRM1CHRM4CHRM5 | |
| Tiotropium SCHEMBL21483687 | 0.99 | CHRM3 (0.98) | CHRM3CHRM2CHRM1CHRM4CHRM5 | |
| Tiotropium SCHEMBL14672487 | 0.99 | CHRM3 (1.00) | CHRM3CHRM2CHRM1CHRM4CHRM5 | |
| Tiotropium SCHEMBL4589 | 0.99 | CHRM3 (1.00) | CHRM3CHRM2CHRM1CHRM4CHRM5 | |
| Tiotropium SCHEMBL15005742 | 0.99 | CHRM3 (1.00) | CHRM3CHRM2CHRM1CHRM4CHRM5 | |
| Tiotropium SCHEMBL7607795 | 0.99 | CHRM3 (1.00) | CHRM3CHRM2CHRM1CHRM4CHRM5 |
Similarity is cosine over the 2,048-bit Morgan fingerprint (≈ Tanimoto). Identical fingerprints score 1.00.
Patent provenance — the patents this molecule appears in, and who filed them
Appears in 2709 patents — a generic fragment claimed broadly, so it's down-weighted as IP noise. Top by claim status then date:
| Patent | Title | Assignee | Published | Priority | Filing | Country | Status |
|---|---|---|---|---|---|---|---|
| US-20260108619-A1 | CONJUGATION LINKERS, CELL BINDING MOLECULE-DRUG CONJUGATES CONTAINING THE LINKERS, METHODS OF MAKING AND USES SUCH CONJUGATES WITH THE LINKERS | HANGZHOU DAC BIOTECH CO., LTD. (CN) | 2026-04-23 | — | — | US | claimed |
| US-12576124-B2 | Formulation of a conjugate of a tubulysin analog to a cell-binding molecule | HANGZHOU DAC BIOTECH CO., LTD (CN) | 2026-03-17 | — | — | US | claimed |
| EP-4696689-A1 | SALT FORM AND CRYSTAL FORM OF CHIRAL HETEROCYCLIC COMPOUND HAVING HEDGEHOG PATHWAY ANTAGONIST ACTIVITY | Suzhou Kintor Pharmaceuticals, Inc. (CN) | 2026-02-18 | — | — | EP | claimed |
| EP-4691470-A1 | USE OF HETEROCYCLIC COMPOUND IN TREATMENT OF INTERSTITIAL PNEUMONIA | SUZHOU KINTOR PHARMACEUTICALS, INC (CN) | 2026-02-11 | — | — | EP | claimed |
| US-12508321-B2 | Conjugation linkers, cell binding molecule-drug conjugates containing the linkers, methods of making and uses such conjugates with the linkers | HANGZHOU DAC BIOTECH CO., LTD. (CN) | 2025-12-30 | — | — | US | claimed |
| EP-3319936-B1 | BRIDGE LINKERS FOR CONJUGATION OF CELL-BINDING MOLECULES | HANGZHOU DAC BIOTECH CO LTD (CN) | 2025-12-17 | — | — | EP | claimed |
| US-20250339551-A1 | AN ANTIBODY-DRUG CONJUGATE HAVING TWO OR MORE DIFFERENT FUNCTIONAL SMALL MOLECULES FOR ENHANCED TREATMENT OF REFRACTORY DISEASES | HANGZHOU SEEHE BIOTECHNOLOGY CO., LTD (CN) | 2025-11-06 | — | — | US | claimed |
| EP-4642492-A1 | AN ANTIBODY-DRUG CONJUGATE HAVING TWO OR MORE FUNCTIONAL SMALL MOLECULE COMPOUNDS FOR ENHANCED TREATMENT OF REFRACTORY DISEASES | Hangzhou Seehe Biotechnology Co., Ltd (CN) | 2025-11-05 | — | — | EP | claimed |
| EP-4642484-A1 | TARGETED TREATMENT OF PROSTATE CANCERS AND OTHER TUMORS BY AN ANTIBODY-DRUG CONJUGATE | Hangzhou Seehe Biotechnology Co., Ltd (CN) | 2025-11-05 | — | — | EP | claimed |
| US-12364767-B2 | Conjugation linkers, cell binding molecule-drug conjugates containing the linkers, methods of making and uses such conjugates with the linkers | HANGZHOU DAC BIOTECH CO., LTD. (CN) | 2025-07-22 | — | — | US | claimed |
| EP-1511500-A2 | COMBINATION OF ANTI-MUSCARINIC AGENTS AND NON-GLUCOCORTICOID STEROIDS | Epigenesis Pharmaceuticals, Inc. (US) | 2005-03-09 | — | — | EP | claimed |
| CN-1578665-A | Type 4 phosphodiesterase inhibitors and uses thereof | MERCK PATENT GMBH (DE) | 2005-02-09 | — | — | CN | claimed |
| EP-1156769-B1 | CARTRIDGE FOR A LIQUID | BOEHRINGER INGELHEIM INT (DE) | 2004-09-29 | — | — | EP | claimed |
| CN-1527830-A | Ether derivatives useful as inhibitors of PDE4 isozymes | �Ʒ� | 2004-09-08 | — | — | CN | claimed |
| EP-1413528-A2 | Stainless steel canister for propellant-operated dosing aerosols | BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG (DE) | 2004-04-28 | — | — | EP | claimed |
| WO-2004014293-A2 | COMBINATION OF ANTI-MUSCARINIC AGENTS AND NON-GLUCOCORTICOID STEROIDS | EPIGENESIS PHARMACEUTICALS, INC. (US) | 2004-02-19 | — | — | WO | claimed |
| US-20030216329-A1 | Composition, formulations & kit for treatment of respiratory & lung disease with dehydroepiandrosterone(s) steroid & an anti-muscarinic agent(s) | EPEGENESIS PHARMACEUTICALS, INC. | 2003-11-20 | — | — | US | claimed |
| EP-1058657-B1 | USE OF A CONTAINER FOR A MEDICINAL LIQUID IN A SPRAYING DEVICE | BOEHRINGER INGELHEIM INT (DE) | 2003-05-28 | — | — | EP | claimed |
| CN-1404480-A | Pyrimidine carboxamides as inhibitors of the PDE4 isozyme | PFIZER PROD INC (US) | 2003-03-19 | — | — | CN | claimed |
| CN-1338928-A | Combinations of formoterol and a tiotropium salt | NOVARTIS AG (CH) | 2002-03-06 | — | — | CN | claimed |