Natural Product: NPC312454

Natural Product IDNPC312454
Common Name
?
The InCHIKey will be temporarily assigned as the "Common Name" if no IUPAC name or alternative short name is available.
XWFVDCOWPBJQFH-UHFFFAOYSA-N
IUPAC Name n.a.
Synonyms
Synthetic Gene Cluster n.a.
ChEMBL Identifier n.a.
PubChem CID 564412
Chemical Classification
  • CHEMONTID:0000000 [Organic compounds]
    • [CHEMONTID:0004603] Organic oxygen compounds
      • [CHEMONTID:0000323] Organooxygen compounds
        • [CHEMONTID:0001831] Carbonyl compounds
          • [CHEMONTID:0000118] Ketones
            • [CHEMONTID:0003670] Aryl ketones

The Chemical Classification was calculated by Classyfire, a software for chemical taxonomy calculation. Reference: DOI:10.1186/s13321-016-0174-y.

  Chemical Representations

Standard InCHIKey XWFVDCOWPBJQFH-UHFFFAOYSA-N
Standard InCHI InChI=1S/C10H12O2/c1-7(2)6-9(11)10-8(3)4-5-12-10/h4-6H,1-3H3
SMILES CC(=CC(=O)c1c(C)cco1)C

  Calculated Properties

Physi-Chem Properties

Molecular Weight:   164.08 Volume:   179.994
?
Van der Waals volume.
Dense:   0.912 LogP:   2.184
?
The logarithm of the n-octanol/water distribution coefficients.
logD7.4:   2.221
?
The logarithm of the n-octanol/water distribution coefficient at pH=7.4.
LogS:   -2.02
?
The logarithm of aqueous solubility value.
Rotatable Bonds:   2.0 Rigid Bonds:   7.0
TPSA:   30.21
?
Topological Polar Surface Area.
H-Bond Acceptor:   2.0
H-Bond Donor:   0.0 Rings:   1.0
Heavy Atoms:   2.0

MedChem Properties

QED Drug-Likeness Score:   0.497 GASA:   0.0
?
GASA represents the probability of being difficult to synthesize, ranging from 0 to 1.
Synthetic Accessibility Score:   2.719 Fsp3:   0.3
MCE-18:   7.0
?
MCE-18 stands for medicinal chemistry evolution.MCE-18≥45 is considered a suitable value.
Lipinski Rule-of-5:   Rejected
Pfizer Rule:   Rejected GSK Rule:   Rejected
Golden Triangle Rule:   Accepted BMS Rule:   0
Chelating Alert:   0 PAINS Alert:   0
Colloidal aggregators:   0.045 Fluc inhibitor:   0.42
?
The fluc inhibitor value is the probability of being fLuc inhibitors, within the range of 0 to 1.
Blue fluorescence:   0.044
?
The blue fluorescence value is the probability of being blue fluorescence, within the range of 0 to 1
Green fluorescence:   0.057
?
The green fluorescence value is the probability of being green fluorescence, within the range of 0 to 1
Reactive compounds:   0.986 Promiscuous compounds:   0.056

ADMET Properties (ADMETlab3.0)

ADMET: Absorption

Caco-2 Permeability:   -4.545 MDCK Permeability:   -4.595
Pgp-inhibitor:   0.574 Pgp-substrate:   0.432
PAMPA:   0.116
?
The experimental data for Peff was logarithmically transformed (logPeff). Molecules with log Peff values below 2.0 were classified as low-permeability (Category 0), while those with log Peff values exceeding 2.5 were classified as high-permeability (Category 1).
Human Intestinal Absorption (HIA):   0.088
20% Bioavailability (F20%):   0.094 30% Bioavailability (F30%):   0.104
50% Bioavailability (F50%):   0.514

ADMET: Distribution

Blood-Brain-Barrier Penetration (BBB):   0.365 MRP1:   0.909
Plasma Protein Binding (PPB):   95.228% Volume Distribution (VD):   0.238
Fu: 3.623%
?
The fraction unbound in plasms.
OATP1B1 inhibitor:   0.869
OATP1B3 inhibitor:   0.786 BCRP inhibitor:   0.159
BSEP inhibitor:   0.843

ADMET: Metabolism

CYP1A2-inhibitor:   0.999 CYP1A2-substrate:   0.998
CYP2C19-inhibitor:   0.052 CYP2C19-substrate:   0.312
CYP2C9-inhibitor:   0.016 CYP2C9-substrate:   0.016
CYP2D6-inhibitor:   0.015 CYP2D6-substrate:   0.043
CYP3A4-inhibitor:   0.954 CYP3A4-substrate:   0.744
CYP2B6-substrate:   0.029 CYP2C8-inhibitor:   0.918
HLM stability:   0.102
?
Human liver microsomal (HLM) stability. Category 0: stable+ (HLM > 30 min); Category 1: unstable- (HLM ≤ 30 min). The output value is the probability of human liver microsomal instability, where a value closer to 1 indicates a higher likelihood of instability.

ADMET: Excretion

Clearance (CL):  8.542 Half-life (T1/2):  0.945

ADMET: Toxicity

hERG Blockers:  0.154 hERG Blockers (10um):  0.456
Human Hepatotoxicity (H-HT):  0.571 Drug-induced Liver Injury (DILI):  0.655
AMES Toxicity:  0.479 Rat Oral Acute Toxicity:  0.42
Maximum Recommended Daily Dose:  0.423 Skin Sensitization:  0.541
Carcinogencity:  0.654 Eye Corrosion:  0.635
Eye Irritation:  0.983 Respiratory Toxicity:  0.701
Drug-induced Neurotoxicity:  0.49 Ototoxicity:  0.235
Hematotoxicity:  0.417 Drug-induced Nephrotoxicity:  0.242
Genotoxicity:  0.625 RPMI-8226 Immunitoxicity:  0.078
A549 Cytotoxicity:  0.094 Hek293 Cytotoxicity:  0.144
BCF:   1.175
?
Bioconcentration factors are used for considering secondary poisoning potential and assessing risks to human health via the food chain. The unit is -log10[(mg/L)/(1000*MW)].
IGC50:   3.265
?
48 hour Tetrahymena pyriformis IGC50. The unit of IGC50 is -log10[(mg/L)/(1000*MW)].
LC50DM:   4.173
?
48 hour Daphnia magna LC50. The unit of LC50DM is -log10[(mg/L)/(1000*MW)].
LC50FM:   3.928
?
96 hour fathead minnow LC50. The unit of LC50FM is -log10[(mg/L)/(1000*MW)].

  Species Source

Organism ID Organism Name Taxonomy Level Family SuperKingdom Isolation Part Collection Location Collection Time Reference
NPO6473.1 Perilla frutescens var. acuta Strain Lamiaceae Eukaryota n.a. n.a. n.a. PMID[10757731]
NPO13968 Garcinia scortechinii Species Clusiaceae Eukaryota fruits n.a. n.a. PMID[16038540]
NPO14358 Rhodobacter sphaeroides Species Rhodobacteraceae Bacteria n.a. n.a. n.a. PMID[1612412]
NPO8068 Blumea mollis Species Asteraceae Eukaryota n.a. leaf n.a. PMID[18566831]
NPO14162 Chlorophytum borivilianum Species Asparagaceae Eukaryota roots n.a. n.a. PMID[19128156]
NPO7016 Gardenia tubifera Species Rubiaceae Eukaryota exudate n.a. n.a. PMID[20028108]
NPO12357 Lycopus europaeus Species Lamiaceae Eukaryota n.a. n.a. n.a. PMID[20674349]
NPO11492 Kopsia grandifolia Species Apocynaceae Eukaryota n.a. leaf n.a. PMID[21428274]
NPO11492 Kopsia grandifolia Species Apocynaceae Eukaryota n.a. stem n.a. PMID[21428274]
NPO8650 Perilla frutescens Species Lamiaceae Eukaryota leaves n.a. n.a. PMID[22272932]
NPO8650 Perilla frutescens Species Lamiaceae Eukaryota n.a. n.a. n.a. PMID[25320841]
NPO1795 Fragaria vesca Species Rosaceae Eukaryota n.a. fruit n.a. PMID[26169681]
NPO21355 Elsholtzia ciliata Species Lamiaceae Eukaryota Aerial Parts n.a. n.a. PMID[32991171]
NPO14057 Apollonias barbujana Species Lauraceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO8892 Sordaria araneosa Species Sordariaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO13467 Anarsia lineatella Species Gelechiidae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO3465 Aconitum leucostomum Species Ranunculaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO27558 Podocarpus macrophyllus Species Podocarpaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO6473.1 Perilla frutescens var. acuta Strain Lamiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO14358 Rhodobacter sphaeroides Species Rhodobacteraceae Bacteria n.a. n.a. n.a. Database[COCONUT]
NPO18046 Mosla chinensis Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO21355 Elsholtzia ciliata Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO8650 Perilla frutescens Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO16703 Isodon lophanthoides Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO205 Lasianthus fordii Species Rubiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO11998 Ledebouria socialis Species Hyacinthaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO11492 Kopsia grandifolia Species Apocynaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO12357 Lycopus europaeus Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO746 Panax innovans Species Araliaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO5191 Penicillium cinerascens Species Aspergillaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO4671 Persea mexicana Species Lauraceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO13014 Ipomoea cairica Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO7016 Gardenia tubifera Species Rubiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO1795 Fragaria vesca Species Rosaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO10550 Artemisia hanseniana Species Asteraceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO8068 Blumea mollis Species Asteraceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO13766 Ceanothus velutinus Species Rhamnaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO14162 Chlorophytum borivilianum Species Asparagaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO12509 Dipterocarpus dyeri Species Dipterocarpaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO4004 Aquilegia ecalcarata Species Ranunculaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO13968 Garcinia scortechinii Species Clusiaceae Eukaryota n.a. n.a. n.a. Database[COCONUT]
NPO21355 Elsholtzia ciliata Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO27558 Podocarpus macrophyllus Species Podocarpaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO12357 Lycopus europaeus Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO6473.1 Perilla frutescens var. acuta Strain Lamiaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO8650 Perilla frutescens Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO18046 Mosla chinensis Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO8650.2 Perilla frutescens var. crispa Varieties Lamiaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO1795 Fragaria vesca Species Rosaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO13014 Ipomoea cairica Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[HerDing]
NPO13968 Garcinia scortechinii Species Clusiaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO1795 Fragaria vesca Species Rosaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO4004 Aquilegia ecalcarata Species Ranunculaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO16703 Isodon lophanthoides Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO8650.2 Perilla frutescens var. crispa Varieties Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO3465 Aconitum leucostomum Species Ranunculaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO21355 Elsholtzia ciliata Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO6473.1 Perilla frutescens var. acuta Strain Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO18046 Mosla chinensis Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO27558 Podocarpus macrophyllus Species Podocarpaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO8650 Perilla frutescens Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO12357 Lycopus europaeus Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO13014 Ipomoea cairica Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[TCMID]
NPO3465 Aconitum leucostomum Species Ranunculaceae Eukaryota n.a. n.a. n.a. Database[TCM_Taiwan]
NPO13014 Ipomoea cairica Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[TCM_Taiwan]
NPO27558 Podocarpus macrophyllus Species Podocarpaceae Eukaryota n.a. n.a. n.a. Database[TCM_Taiwan]
NPO21355 Elsholtzia ciliata Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCM_Taiwan]
NPO8650.3 Perilla frutescens (l.) britt. var. crispa (thunb.) hand.-mazz. Varieties Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCM_Taiwan]
NPO8650 Perilla frutescens Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCM_Taiwan]
NPO18046 Mosla chinensis Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TCM_Taiwan]
NPO18046 Mosla chinensis Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TM-MC]
NPO8650 Perilla frutescens Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TM-MC]
NPO21355 Elsholtzia ciliata Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[TM-MC]
NPO11998 Ledebouria socialis Species Hyacinthaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO3465 Aconitum leucostomum Species Ranunculaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO16703 Isodon lophanthoides Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO14057 Apollonias barbujana Species Lauraceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO1795 Fragaria vesca Species Rosaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO4004 Aquilegia ecalcarata Species Ranunculaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO13766 Ceanothus velutinus Species Rhamnaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO13968 Garcinia scortechinii Species Clusiaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO14358 Rhodobacter sphaeroides Species Rhodobacteraceae Bacteria n.a. n.a. n.a. Database[UNPD]
NPO8892 Sordaria araneosa Species Sordariaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO11492 Kopsia grandifolia Species Apocynaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO4671 Persea mexicana Species Lauraceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO8650 Perilla frutescens Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO746 Panax innovans Species Araliaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO12357 Lycopus europaeus Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO10550 Artemisia hanseniana Species Asteraceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO21355 Elsholtzia ciliata Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO13467 Anarsia lineatella Species Gelechiidae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO14162 Chlorophytum borivilianum Species Asparagaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO12509 Dipterocarpus dyeri Species Dipterocarpaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO13014 Ipomoea cairica Species Convolvulaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO7016 Gardenia tubifera Species Rubiaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO205 Lasianthus fordii Species Rubiaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO8068 Blumea mollis Species Asteraceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO5191 Penicillium cinerascens Species Aspergillaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO18046 Mosla chinensis Species Lamiaceae Eukaryota n.a. n.a. n.a. Database[UNPD]
NPO27558 Podocarpus macrophyllus Species Podocarpaceae Eukaryota n.a. n.a. n.a. Database[UNPD]

Note for Reference:
In addition to directly collecting NP source organism data from primary literature (where reference will provided as NCBI PMID or DOI links), NPASS also integrated them from below databases:
UNPD: Universal Natural Products Database [PMID: 23638153].
StreptomeDB: a database of streptomycetes natural products [PMID: 33051671].
TM-MC: a database of medicinal materials and chemical compounds in Northeast Asian traditional medicine [PMID: 26156871].
TCM@Taiwan: a Traditional Chinese Medicine database [PMID: 21253603].
TCMID: a Traditional Chinese Medicine database [PMID: 29106634].
TCMSP: The traditional Chinese medicine systems pharmacology database and analysis platform [PMID: 24735618].
HerDing: a herb recommendation system to treat diseases using genes and chemicals [PMID: 26980517].
MetaboLights: a metabolomics database [PMID: 27010336].
FooDB: a database of constituents, chemistry and biology of food species [www.foodb.ca].



  NP Quantity Composition/Concentration

Organism ID Organism Name Organism Material Preparation Organism Part NP Quantity (Standard) NP Quantity (Minimum) NP Quantity (Maximum) Quantity Unit Reference

Note for Reference:
In addition to directly collecting NP quantitative data from primary literature (where reference will provided as NCBI PMID or DOI links), NPASS also integrated NP quantitative records for specific NP domains (e.g., NPS from foods or herbs) from domain-specific databases. These databases include:
DUKE: Dr. Duke's Phytochemical and Ethnobotanical Databases.
PHENOL EXPLORER: is the first comprehensive database on polyphenol content in foods [PMID: 24103452], its homepage can be accessed at here.
FooDB: a database of constituents, chemistry and biology of food species [www.foodb.ca].



 Biological Activity

Molecular-level activity

Target ID Target Type Target Name Target Organism Activity Type Activity Relation Value Unit Reference

In vitro activity

Target ID Target Type Target Name Target Organism Activity Type Activity Relation Value Unit Reference

In vivo activity

Target ID Target Type Target Name Target Organism Activity Type Activity Relation Value Unit Reference





 Experimental ADME

Experiment Model Experiment Tissue ADME Type ADME Relation ADME Value ADME Unit Reference





 Experimental Toxicity

Quantitative toxicity

Experiment Model Experiment Organism Toxicity Type Toxicity Relation Toxicity Value Toxicity Unit Reference

Common Abbreviations:
LC: Lethal Concentration; LD: Lethal Dose; LT:Lethal Time; NOAEL: No-observed-adverse-effect Level; BMDL: Benchmark Dose Lower Confidence Limit; BMD: Benchmark Dose; BMC:Benchmark Concentration; LOAEL: Lowest Observed Adverse Effect Level; RfD:Reference Dose; RfC:Reference Concentration; MRL: Minimal Risk Level; MEG: Maximum Exposure Guideline; PAC: Protective Action Criteria

Categorical toxicity labels

Hepatotoxicity Carcinogenicity Mutagenicity Cardiotoxicity Respiratory Toxicity Eye Irritation Endocrine Disruption
Hepatotoxicity Carcinogenicity Mutagenicity Cardiotoxicity Respiratory Toxicity Eye Irritation Endocrine Disruption

Note for Reference:
In addition to directly collecting NP quantitative data from primary literature (where reference will provided as NCBI PMID or DOI links), NPASS also integrated NP toxicity records from domain-specific databases. These databases include:
ToxValDB: a curated database that compiles quantitative toxicity values for chemicals from diverse public sources to support toxicological research and risk assessment.
TOXRIC: a comprehensive, free-to-access, online database providing toxicological/feature data. The toxicity labels are retrieved from this database. [PMID: 36400569]


  Chemically structural similarity

Similar Active Natural Products in NPASS

Top-200 similar NPs were calculated against the active-NP-set (includes approximately 50,000 NPs with experimentally-derived bioactivity available in NPASS)

Similarity is measured using the Tanimoto coefficient (Tc) , which compares the binary fingerprints of two molecules. Tc is calculated as the intersection divided by the union of '1' bits in the fingerprints, ranging from 0 to 1, with 1 indicating highest similarity.

●  The left chart: Distribution of similarity level between NPC312454 and all remaining natural products in the NPASS database.
●  The right table: Most similar natural products (Tc>=0.5 or Top200).

Similarity Score Similarity Level Natural Product ID
NPC

Similar Clinical/Approved Drugs

Similarity level is defined by Tanimoto coefficient (Tc) between two molecules.

●  The left chart: Distribution of similarity level between NPC312454 and all drugs/candidates.
●  The right table: Most similar clinical/approved drugs (Tc>=0.5 or Top200).

Similarity Score Similarity Level Drug ID Developmental Stage
NPD

Bioactivity similarity

  Bioactivity similarity

Similar Natural Products in NPASS

Similarity level is defined by Bioactivity similarity was calculated based on bioactivity descriptors of compounds. The bioactivity descriptors were calculated by a recently developed AI algorithm Chemical Checker (CC) [Nature Biotechnology, 38:1087–1096, 2020; Nature Communications, 12:3932, 2021], which evaluated bioactivity similarities at five levels:
A: chemistry similarity;
B: biological targets similarity;
C: networks similarity;
D: cell-based bioactivity similarity;
E: similarity based on clinical data.
Those 5 categories of CC bioactivity descriptors were calculated and then subjected to manifold projection using UMAP algorithm, to project all NPs on a 2-Dimensional space. The current NP was highlighted with a small circle in the 2-D map. Below figures: left-to-right, A-to-E.

A: chemistry similarity
B: biological targets similarity
C: networks similarity
D: cell-based bioactivity similarity
E: similarity based on clinical data