> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/efavirenz-206ac463-2b1a-4961-9fff-94d6bab43c53
> Record changed: 2026-10-13

# Efavirenz

Highest phase reached

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

First approval year

1998

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

## Development status

**First approval year**

1998

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

**Listing at source**

Listed

**Highest phase reached**

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

**Drug name**

Efavirenz

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

**Molecular weight**

315.68

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

**Structure (SMILES)**

O=C1Nc2ccc(Cl)cc2\[C@@\](C#CC2CC2)(C(F)(F)F)O1

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

### Brand names (16)

- efavirenz
- Efavirenz
- efavirenz component of atripla
- Efavirenz component of atripla
- efavirenz component of symfi
- Efavirenz component of symfi
- efavirenz component of telura
- Efavirenz component of telura
- efavirenz teva
- Efavirenz teva
- stocrin
- Stocrin
- sustiva
- Sustiva
- sustiva 600
- Sustiva 600

### Other names (77)

- (-)-efavirenz
- 400mg sustiva
- 400mg Sustiva
- 600mg Sustiva
- atripla component efavirenz
- ATRIPLA COMPONENT EFAVIRENZ
- dmp 266
- DMP-266
- efavirenz
- Efavirenz
- efavirenz (drug)
- efavirenz (EFV)
- Efavirenz (EFV)
- EFAVIRENZ \[EMA EPAR\]
- EFAVIRENZ \[HSDB\]
- efavirenz \[INN\]
- EFAVIRENZ \[JAN\]
- EFAVIRENZ \[MART.\]
- EFAVIRENZ \[MI\]
- EFAVIRENZ \[ORANGE BOOK\]
- EFAVIRENZ \[USAN\]
- EFAVIRENZ \[USP MONOGRAPH\]
- EFAVIRENZ \[USP-RS\]
- EFAVIRENZ \[VANDF\]
- Efavirenz \[WHO-DD\]

And 52 more, listed on the interactive page.

## Identifiers

**ATC classification codes**

- J05AG03

Sources for recorded values

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

**CAS registry numbers**

- 154598-52-4

**ChEMBL ID**

CHEMBL223228

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

**InChIKey**

XPOQHMRABVBWPR-ZDUSSCGKSA-N

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL223228)

**PubChem compound IDs**

- 64139

**RxNorm IDs (RxCUI)**

- 195085

**FDA ingredient codes (UNII)**

- JE6H2O27P8

## Regulatory information

### United States

**Applicant**

MYLAN LABS LTD

**Approval date**

22 Mar 2018

**Application number**

NDA022142

### European Union

**Status**

Authorised

**Status date**

9 Jan 2012

**Authorisation date**

9 Jan 2012

**Approved indications**

Efavirenz is indicated in antiviral combination treatment of human-immunodeficiency-virus-1 (HIV-1)-infected adults, adolescents and children 3 years of age and older. Efavirenz has not been adequately studied in patients with advanced HIV disease, namely in patients with CD4 counts < 50 cells/mm3, or after failure of protease inhibitor (PI)-containing regimens. Although cross-resistance of efavirenz with protease inhibitors (PIs) has not been documented, there are at present insufficient data on the efficacy of subsequent use of PI-based combination therapy after failure of regimens containing efavirenz.

**Product number**

EMEA/H/C/002352

**Authorisation holder**

Teva B.V.

**Priority medicines scheme**

No

**Generic**

Yes

**Biosimilar**

No

**Generic medicines**

1

**Biosimilar medicines**

0

**Advanced therapy**

No

**Conditional approval**

No

**Additional monitoring**

No

**Accelerated assessment**

No

**Exceptional circumstances**

No

#### Therapeutic areas

- HIV Infections

European medicines record

Source: [www.ema.europa.eu](https://www.ema.europa.eu/en/medicines/human/EPAR/efavirenz-teva)

### Other regulatory facts

**Patents**

0

**Designations**

3

**First in class**

No

**Fast track**

Yes

**Breakthrough designation**

No

**Orphan designation**

No

**Priority review**

Yes

**Orphan exclusivity**

No

**Accelerated approval**

Yes

**Availability**

Prescription only

## Pharmacology

### Drug classification

**Pharmacology name**

efavirenz

**Type**

Synthetic organic

**Drug name stem**

ef-; -vir-

**Approval recorded by Guide to Pharmacology**

Yes

#### Administration routes

- Oral

### Mechanisms of action (2)

- **Action**  
Inhibition

**Action type**  
Inhibitor

**Target**  
CYP3A4

**Gene symbol**  
CYP3A4

**Protein identifier**  
P08684

**Median affinity**

4.76

**Affinity units**  
pIC50
- **Mechanism**  
Human immunodeficiency virus type 1 reverse transcriptase inhibitor

**Action type**  
Inhibitor

**Target**  
Human immunodeficiency virus type 1 reverse transcriptase

**Protein identifier**  
Q72547

### Open Targets mechanisms

- **Mechanism**  
Human immunodeficiency virus type 1 reverse transcriptase inhibitor

**Action type**  
Inhibitor

**Target**  
Human immunodeficiency virus type 1 reverse transcriptase

### DrugCentral mechanisms (3)

- **Action type**  
Inhibitor

**Gene symbol**  
gag-pol

**Protein identifier**  
P03369

**Organism**  
Human immunodeficiency virus type 1 group M subtype B (isolate ARV2/SF2)
- **Action type**  
Inhibitor

**Gene symbol**  
CYP3A4

**Protein identifier**  
P08684

**Organism**  
Homo sapiens

**Target development level**  
Clinical
- **Action type**  
Inhibitor

**Gene symbol**  
pol

**Protein identifier**  
Q72547

**Organism**  
Human immunodeficiency virus 1

### Investigated indications (15)

- **Condition**  
HIV Infections

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0000180

**Subject identifier**  
D015658
- **Condition**  
Infections

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0000544

**Subject identifier**  
D007239
- **Condition**  
Neoplasms

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0000616

**Subject identifier**  
D009369
- **Condition**  
Virus Diseases

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0000763

**Subject identifier**  
D014777
- **Condition**  
HIV Infections

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0000764

**Subject identifier**  
D015658
- **Condition**  
Acquired Immunodeficiency Syndrome

**Highest recorded phase**  
3

**Condition identifier**  
EFO:0000765

**Subject identifier**  
D000163
- **Condition**  
Malaria

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0001068

**Subject identifier**  
D008288
- **Condition**  
Pancreatic Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0002618

**Subject identifier**  
D010190
- **Condition**  
Hepatitis C

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0003047

**Subject identifier**  
D006526
- **Condition**  
Triple Negative Breast Neoplasms

**Highest recorded phase**  
2

**Condition identifier**  
EFO:0005537

**Subject identifier**  
D064726
- **Condition**  
Lymphoma, Non-Hodgkin

**Highest recorded phase**  
1

**Condition identifier**  
EFO:0005952

**Subject identifier**  
D008228
- **Condition**  
Diabetes Mellitus, Type 2

**Highest recorded phase**  
1

**Condition identifier**  
MONDO:0005148

**Subject identifier**  
D003924
- **Condition**  
Prostatic Neoplasms, Castration-Resistant

**Highest recorded phase**  
2

**Condition identifier**  
MONDO:0008315

**Subject identifier**  
D064129
- **Condition**  
Tuberculosis

**Highest recorded phase**  
3

**Condition identifier**  
MONDO:0018076

**Subject identifier**  
D014376
- **Condition**  
Autoimmune Diseases

**Highest recorded phase**  
4

**Condition identifier**  
MONDO:0021094

**Subject identifier**  
D001327

### Open Targets indications (42)

- **Condition identifier**  
EFO\_0000180
- **Condition identifier**  
EFO\_0000180

**Highest recorded phase**  
4
- **Condition identifier**  
EFO\_0000544
- **Condition identifier**  
EFO\_0000544

**Highest recorded phase**  
4
- **Condition identifier**  
EFO\_0000616

**Highest recorded phase**  
1
- **Condition identifier**  
EFO\_0000763
- **Condition identifier**  
EFO\_0000764
- **Condition identifier**  
EFO\_0000765

**Highest recorded phase**  
3
- **Condition identifier**  
EFO\_0002618

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0005952

**Highest recorded phase**  
1
- **Condition identifier**  
EFO\_0010125

**Highest recorded phase**  
3
- **Condition identifier**  
HP\_0001939

**Highest recorded phase**  
2
- **Condition identifier**  
HP\_0003124

**Highest recorded phase**  
2
- **Condition identifier**  
HP\_0100806

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0002525

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0004975

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005055

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0005070

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005108

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0005109

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0005136

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005148

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005186

**Highest recorded phase**  
1
- **Condition identifier**  
MONDO\_0005231

**Highest recorded phase**  
3
- **Condition identifier**  
MONDO\_0005249

**Highest recorded phase**  
3

And 17 more, listed on the interactive page.

### Reported adverse events (39)

- **Event**  
abortion induced

**Reports**  
110

**Reporting signal score**

203.517
- **Event**  
abortion spontaneous

**Reports**  
250

**Reporting signal score**

351.758
- **Event**  
birth mark

**Reports**  
29

**Reporting signal score**

117.348
- **Event**  
blood hiv rna increased

**Reports**  
55

**Reporting signal score**

171.197
- **Event**  
congenital umbilical hernia

**Reports**  
42

**Reporting signal score**

164.196
- **Event**  
depression

**Reports**  
279

**Reporting signal score**

151.681
- **Event**  
drug interaction

**Reports**  
315

**Reporting signal score**

149.87
- **Event**  
drug resistance

**Reports**  
532

**Reporting signal score**  
1,395.16
- **Event**  
drug-induced liver injury

**Reports**  
115

**Reporting signal score**

122.576
- **Event**  
eyelid ptosis

**Reports**  
64

**Reporting signal score**

98.2611
- **Event**  
fatigue

**Reports**  
64

**Reporting signal score**

122.492
- **Event**  
hiv infection

**Reports**  
44

**Reporting signal score**

129.629
- **Event**  
hiv-associated neurocognitive disorder

**Reports**  
19

**Reporting signal score**

85.5442
- **Event**  
human immunodeficiency virus transmission

**Reports**  
32

**Reporting signal score**

136.591
- **Event**  
hyperlipidaemia

**Reports**  
83

**Reporting signal score**

122.091
- **Event**  
immune reconstitution inflammatory syndrome

**Reports**  
207

**Reporting signal score**

614.178
- **Event**  
immune reconstitution inflammatory syndrome associated tuberculosis

**Reports**  
24

**Reporting signal score**

90.6357
- **Event**  
immune reconstitution syndrome

**Reports**  
137

**Reporting signal score**

555.963
- **Event**  
injection site pain

**Reports**  
2

**Reporting signal score**

88.9381
- **Event**  
kaposi's sarcoma

**Reports**  
55

**Reporting signal score**

124.252
- **Event**  
lipoatrophy

**Reports**  
33

**Reporting signal score**

104.086
- **Event**  
lipodystrophy acquired

**Reports**  
173

**Reporting signal score**

650.981
- **Event**  
live birth

**Reports**  
55

**Reporting signal score**

105.64
- **Event**  
mitochondrial toxicity

**Reports**  
68

**Reporting signal score**

264.002
- **Event**  
nervous system disorder

**Reports**  
111

**Reporting signal score**

170.356

And 14 more, listed on the interactive page.

### Trial references (200)

- NCT00000885  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000885)
- NCT00000893  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000893)
- NCT00000903  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000903)
- NCT00000912  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000912)
- NCT00000918  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000918)
- NCT00000939  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00000939)
- NCT00001086  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00001086)
- NCT00001087  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00001087)
- NCT00001122  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00001122)
- NCT00001758  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00001758)
- NCT00001766  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00001766)
- NCT00002213  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002213)
- NCT00002220  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002220)
- NCT00002225  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002225)
- NCT00002227  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002227)
- NCT00002230  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002230)
- NCT00002234  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002234)
- NCT00002235  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002235)
- NCT00002239  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002239)
- NCT00002362  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002362)
- NCT00002393  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002393)
- NCT00002419  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002419)
- NCT00002447  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002447)
- NCT00002448  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00002448)
- NCT00004582  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00004582)

And 175 more, listed on the interactive page.

## Dosing

**Dose**

One tablet

**Route**

Oral

**How often**

Once daily

### Conditions of use (2)

- Preferably at bedtime
- Take on an empty stomach

## Chemical properties

**Hydrogen bond acceptors**

2

**Hydrogen bond donors**

1

**Polar surface area**

38.33

**Calculated partition coefficient (ALogP)**

4.07

**Calculated partition coefficient (XLogP)**

4

**Prodrug**

No

**Chirality**

Single enantiomer

**Inorganic**

No

**Rule-of-five violations**

0

**Rotatable bonds**

0

**Heavy atoms**

21

**Molecular formula**

C14H9ClF3NO2

**Monoisotopic mass**

315.0273907

**Natural product**

No

## National Drug Codes

- 0093-5234
- 31722-504
- 31722-736
- 33342-013
- 33342-138
- 42385-915
- 42385-928
- 42385-929
- 49502-475
- 65862-049
- 65862-104
- 65862-105
- 65862-106
- 65862-497
- 69097-210
- 69097-301
- 72865-172
- 72162-2565

## Evidence counts

**Recorded assays**

7,071

**Active assays**

1,784

### Active assay types (4)

- Confirmatory
- Other
- Screening
- Summary

## Pharmacologic actions

- Reverse Transcriptase Inhibitors  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D018894.html)
- Cytochrome P-450 CYP2C9 Inhibitors  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D065688.html)
- Cytochrome P-450 CYP2C19 Inhibitors  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D065689.html)
- Cytochrome P-450 CYP2B6 Inducers  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D065695.html)
- Cytochrome P-450 CYP3A Inducers  
Source: [id.nlm.nih.gov](https://id.nlm.nih.gov/mesh/D065701.html)

## Biological measurements

These details could not be displayed.

## Related records

### Trials (321)

- 2NN & CHARM Long-Term Follow-up Study
- A Clinical Trial Comparing the Efficacy of Tenofovir Disoproxil Fumarate/Emtricitabine/Rilpivirine (TDF/FTC/RPV) Versus TDF/FTC/Efavirenz (TDF/FTC/EFV) in Patients With Undetectable Plasma HIV-1 RNA on Current First-line Treatment
- A Clinical Trial Comparing the Tolerability of Etravirine to Efavirenz in Combination With 2 Nucleoside/Nucleotide Reverse Transcriptase Inhibitors in Treatment-naive HIV-1 Infected Patients
- A Comparison of BMS-232632 With Efavirenz, Each in Combination With Zidovudine-Lamivudine
- A Comparison of Emtricitabine and Abacavir Used in a Three-Drug Combination in HIV-Infected Patients Who Have Never Taken Anti-HIV Drugs
- A Comparison of Emtricitabine and Stavudine Used With Didanosine Plus Efavirenz in HIV-Infected Patients Who Have Not Taken Anti-HIV Drugs
- A Dose Ranging Trial of GSK1349572 and 2 NRTI in HIV-1 Infected, Therapy Naive Subjects
- A Dose-Ranging Study to Compare Doravirine (MK-1439) Plus TRUVADA® Versus Efavirenz Plus TRUVADA® in Human Immunodeficiency Virus (HIV)-1 Infected Participants (MK-1439-007)
- A Drug-Drug Interaction Study Between Fenofibric Acid and Efavirenz
- A Drug-drug Interaction Study of SHR6390 on Healthy Chinese Volunteers
- A Long Term Safety Study Of Lersivirine For The Treatment Of HIV-1 Infection In Subjects Who Have Completed Treatment With Lersivirine In Studies A5271015 And A5271022
- A New Tablet Containing Two FDA-Approved Drugs In HIV-Infected Patients Who Have Not Received Prior Therapy
- A Pharmacokinetic Evaluation of Levonorgestrel Implant and Antiretroviral Therapy
- A Pharmacokinetic Study of Once Daily Efavirenz 400 mg Versus 600 mg in Thai HIV-1 Infected Subjects
- A Phase I, Open-label Trial to Explore the Pharmacokinetics, Safety and Tolerability of TMC278 (Rilpivirine) 25 mg Once Daily Following a 2-week Period Receiving Efavirenz, in Healthy Male and Female Volunteers
- A Pilot Project of Virologic, Pharmacologic and Immunologic Correlates of Gastrointestinal-Associated Lymphoid Tissue Immune Reconstitution Following Maraviroc Therapy
- A Pilot Study of Atazanavir/Ritonavir/Efavirenz as a Nucleoside Sparing Regimen
- A Prospective Cohort of Children With HIV Infection
- A Randomized, Placebo-Controlled Study of the Safety and Efficacy of Efavirenz, Didanosine, and Stavudine in Combination With or Without Hydroxyurea in Antiretroviral Naive or Experienced HIV-Infected Patients
- A Simplified Kaletra® (Lopinavir/Ritonavir)-Based Therapy Versus a Sustiva® (Efavirenz)-Based Standard of Care in Previously Non-Treated HIV-Infected Subjects

### Approved for (3)

- [HIV infectious disease](https://trialight.com/data/condition/hiv-infectious-disease-1260f28c-d667-55f9-b221-15d5017fde05.md)
- Immunodeficiency disease
- [Viral infectious disease](https://trialight.com/data/condition/viral-infectious-disease-43db42a3-adad-5b9d-b74c-f17df0674c21.md)

### In development for (10)

- AIDS Phase 3
- Exocrine pancreatic carcinoma Phase 2
- Hepatitis C virus infection Phase 1
- [Malaria](https://trialight.com/data/condition/malaria-54828cac-9b96-5833-93e2-e012d4505853.md) Phase 1
- Neoplasm Phase 1
- [Non-Hodgkin lymphoma](https://trialight.com/data/condition/non-hodgkin-lymphoma-9fc07e31-fd30-5055-991f-04d10cc1f646.md) Phase 1
- [Prostate cancer](https://trialight.com/data/condition/prostate-cancer-3659fc70-617b-5868-a093-ae819ffc6755.md) Phase 2
- [Triple-negative breast carcinoma](https://trialight.com/data/condition/triple-negative-breast-carcinoma-059174a2-9b5f-5234-90b9-4a4fee6eb9bb.md) Phase 2
- [Tuberculosis](https://trialight.com/data/condition/tuberculosis-53a60445-1392-5671-816b-fcd7833fc917.md) Phase 3
- [Type 2 diabetes mellitus](https://trialight.com/data/condition/type-2-diabetes-mellitus-98e14a90-bb06-5174-90c7-901a0a259fb9.md) Phase 1

---

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