Relationship Graph Explorer

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Every herb, ingredient, formula, gene target, and disease — connected through real research. Search, pick a subject, and navigate the graph in any direction.

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🧪

Evidence

23,295

trials · metas · refs

Plus 6,743 TCM formulas connecting herbs together

Subject Type: 🌿 Herbs ⚗️ Ingredients 📜 Formulas 🧬 Targets 🏥 Diseases

Quick picks: Taxol Oxytocin Morphine (?)-nicotine Testosterone Melatonin Caffeine L-ascorbic acid Progesterone Coumarins

⚗️ Ingredient

Levodopa

Open on HERB 2.0 ↗

Clinical Trials

Meta-Analyses

PubMed References

Top Conditions Studied with Levodopa

📋 Sample Trials

NCT05487300

Effect of Levodopa on Cardiovascular Autonomic Function in Parkinson's Disease

Completed · Phase 2|Phase 3

NCT05435729

A Pharmacodynamics and Safety Study of DSP-9632P in Patients With Levodopa-Induced Dyskinesia in Parkinson's Disease

Completed · Phase 1

NCT05901350

The Correlation of Reduction of Levodopa and Non-motor Symptoms of Parkinson's Disease After Deep Brain Stimulation

Completed

📊 Sample Meta-Analyses

None linked yet.

📚 Sample References

None linked yet.

⚗️ All Ingredient data fields for Levodopa

⚗️ Identity

Name

Levodopa

Aliases / Synonyms

L-dopa; 59-92-7; 3,4-dihydroxy-L-phenylalanine; Dopar; 3-Hydroxy-L-tyrosine; Bendopa; Larodopa; Cidandopa; Dopaidan

🧪 Chemistry

Molecular Weight

197.1900

LogP

0.0522

Drug-likeness

0.513

Oral Bioavailability

77.8520

H-Bond Acceptors

H-Bond Donors

Rotatable Bonds

🔬 Structures

Canonical SMILES

C1=CC(=C(C=C1CC(C(=O)O)N)O)O

Isomeric SMILES

C1=CC(=C(C=C1C[C@@H](C(=O)O)N)O)O

InChIKey

WTDRDQBEARUVNC-LURJTMIESA-N

InChI

InChI=1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,10H2,(H,13,14)/t6-/m0/s1

🔗 External References

HERB DB

HBIN033038 ↗

PubChem CID

6047 ↗

CAS Number

90638-38-3 ↗

HIT

C0571

SymMap

3076

TCMSP

MOL000482

TCM-ID

3012

🔍 Raw view — every non-empty column on this row (32 fields)

name

Levodopa

common names

L-dopa; 59-92-7; 3,4-dihydroxy-L-phenylalanine; Dopar; 3-Hydroxy-L-tyrosine; Bendopa; Larodopa; Cidandopa; Dopaidan

herb ingredient id

HBIN033038

canonical smiles

C1=CC(=C(C=C1CC(C(=O)O)N)O)O

isomeric smiles

C1=CC(=C(C=C1C[C@@H](C(=O)O)N)O)O

inchi

InChI=1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,10H2,(H,13,14)/t6-/m0/s1

inchikey

WTDRDQBEARUVNC-LURJTMIESA-N

mol wt

197.1900

num h acceptors

num h donors

mol logp

0.0522

num rotatable bonds

drug likeness

0.513

ob score

77.8520

cas id

90638-38-3

symmap mol id

3076

tcmsp ingredient id

MOL000482

tcm id ingredient id

3012

pubchem cid

6047

hit id

C0571

📋 Clinical Trials

5 · subject of clinical study

NCT05487300 Effect of Levodopa on Cardiovascular Autonomic Function in Parkinson's Disease

→ Parkinson Disease|Orthostatic Hypotension

NCT05435729 A Pharmacodynamics and Safety Study of DSP-9632P in Patients With Levodopa-Induc

→ Levodopa-induced Dyskinesia|Parkinson's Disease

NCT05901350 The Correlation of Reduction of Levodopa and Non-motor Symptoms of Parkinson's D

→ Parkinson Disease|Visual Impairment

NCT06037590 A Pilot Comparative Bioavailability Study of Levodopa Administered Via Levodopa

→ Parkinson|Parkinson Disease|Parkinson's Disease an

NCT06115538 Comparison of Dopamin Level in Idiopathic Parkinson's Patients

→ Parkinson Disease|Treatment Adherence

How relationships are computed

Clinical Trials / Meta-Analyses / References: direct foreign-key link via subject_entity_id (Phase 2d wireup)
Formula ↔ Herbs: text bridge via formulas.herbs_in_pinyin matching herbs.pinyin_name
Herb ↔ Ingredient: empty — needs HERB_herb_ingredient import
Ingredient ↔ Target: empty — needs HERB_ingredient_target import
Target ↔ Disease: empty — needs HERB_target_disease import
Herb → Target → Disease (full chemical spine): awaiting Phase 2e link tables