> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/asset/tenofovir-alafenamide-fumarate-9adf6f5f-c34a-4fdb-9c9f-210ec050ca0b
> Record changed: 2026-10-13

# Tenofovir alafenamide fumarate

Highest phase reached

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

Drug type

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

First approval year

2015

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

## Development status

**First approval year**

2015

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

**Listing at source**

Listed

**Highest phase reached**

Approved

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

## Names and chemistry

**Drug type**

Small molecule

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

**Drug name**

Tenofovir alafenamide fumarate

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

**Molecular weight**

1,069.02

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

**Structure (SMILES)**

CC(C)OC(=O)\[C@H\](C)N\[P@\](=O)(CO\[C@H\](C)Cn1cnc2c(N)ncnc21)Oc1ccccc1.CC(C)OC(=O)\[C@H\](C)N\[P@\](=O)(CO\[C@H\](C)Cn1cnc2c(N)ncnc21)Oc1ccccc1.O=C(O)/C=C/C(=O)O

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

### Brand names (12)

- tenofovir alafenamide fumarate component of biktarvy
- Tenofovir alafenamide fumarate component of biktarvy
- tenofovir alafenamide fumarate component of descovy
- Tenofovir alafenamide fumarate component of descovy
- tenofovir alafenamide fumarate component of genvoya
- Tenofovir alafenamide fumarate component of genvoya
- tenofovir alafenamide fumarate component of odefsey
- Tenofovir alafenamide fumarate component of odefsey
- tenofovir alafenamide fumarate component of symtuza
- Tenofovir alafenamide fumarate component of symtuza
- vemlidy
- Vemlidy

### Other names (38)

- 1 methylethyl n s 1r 2 6 amino 9h purin 9 yl 1 methylethoxy methyl phenoxyphosphinoyl l alaninate 2e 2 butenedioate
- 1-METHYLETHYL N-((S)-(((1R)-2-(6-AMINO-9H-PURIN-9-YL)-1-METHYLETHOXY)METHYL(PHENOXYPHOSPHINOYL)-L-ALANINATE, (2E)-2-BUTENEDIOATE
- azvudine tablets fnc and tenofovir alafenol fumarate tablets taf
- biktarvy component tenofovir alafenamide fumarate
- BIKTARVY COMPONENT TENOFOVIR ALAFENAMIDE FUMARATE
- descovy component tenofovir alafenamide fumarate
- DESCOVY COMPONENT TENOFOVIR ALAFENAMIDE FUMARATE
- gs 7340 03
- gs 7340 hemifumarate
- GS-7340 HEMIFUMARATE
- GS-7340-03
- l alanine n s 1r 2 6 amino 9h purin 9 yl 1 methylethoxy methyl phenoxyphosphinyl 1 methylethyl ester 2e 2 butenedioate 2 1
- L-ALANINE, N-((S)-(((1R)-2-(6-AMINO-9H-PURIN-9-YL)-1-METHYLETHOXY)METHYL)PHENOXYPHOSPHINYL)-, 1-METHYLETHYL ESTER, (2E)-2-BUTENEDIOATE (2:1)
- odefsey component tenofovir alafenamide fumarate
- ODEFSEY COMPONENT TENOFOVIR ALAFENAMIDE FUMARATE
- symtuza component tenofovir alafenamide fumarate
- SYMTUZA COMPONENT TENOFOVIR ALAFENAMIDE FUMARATE
- taf
- TAF
- TAF 25mg
- tenofovir alafenamide fumarate
- Tenofovir alafenamide fumarate
- TENOFOVIR ALAFENAMIDE FUMARATE (2:1)
- TENOFOVIR ALAFENAMIDE FUMARATE \[JAN\]
- TENOFOVIR ALAFENAMIDE FUMARATE \[MI\]

And 13 more, listed on the interactive page.

## Identifiers

**CAS registry numbers**

- 1392275-56-7

**ChEMBL ID**

CHEMBL2364637

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

**InChIKey**

SVUJNSGGPUCLQZ-FQQAACOVSA-N

Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL2364637)

**PubChem compound IDs**

- 71492247

**RxNorm IDs (RxCUI)**

- 1721604

**FDA ingredient codes (UNII)**

- FWF6Q91TZO

## Regulatory information

### United States

**Applicant**

GILEAD SCIENCES INC

**Approval date**

5 Nov 2015

**Application number**

NDA207561

### Other regulatory facts

**Patents**

4

**Designations**

0

**Earliest recorded loss of exclusivity**

15 Feb 2033

**First in class**

No

**Fast track**

No

**Breakthrough designation**

No

**Orphan designation**

No

**Priority review**

No

**Orphan exclusivity**

No

**Accelerated approval**

No

**Availability**

Prescription only

**Boxed warning**

Yes

## Pharmacology

### Drug classification

**Drug name stem**

\-vir

#### Administration routes

- Oral

### Mechanisms of action

- **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

### Investigated indications (6)

- **Condition**  
HIV Infections

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0000180

**Subject identifier**  
D015658
- **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**  
Hepatitis B

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0004197

**Subject identifier**  
D006509
- **Condition**  
Hepatitis B, Chronic

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0004197

**Subject identifier**  
D019694
- **Condition**  
Hepatitis B, Chronic

**Highest recorded phase**  
4

**Condition identifier**  
EFO:0004239

**Subject identifier**  
D019694

### Open Targets indications (12)

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

**Highest recorded phase**  
4
- **Condition identifier**  
EFO\_0000764
- **Condition identifier**  
EFO\_0004197

**Highest recorded phase**  
2
- **Condition identifier**  
EFO\_0004239
- **Condition identifier**  
HP\_0001394
- **Condition identifier**  
MONDO\_0004790
- **Condition identifier**  
MONDO\_0005109

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0005301

**Highest recorded phase**  
2
- **Condition identifier**  
MONDO\_0005344

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0005366

**Highest recorded phase**  
4
- **Condition identifier**  
MONDO\_0007256

**Highest recorded phase**  
1

### Warnings

- **Warning**  
Black Box Warning

**Effect**  
hepatotoxicity

### Open Targets warnings

- **Warning**  
Black Box Warning

**Effect**  
hepatotoxicity

**Country**  
United States

### Reported adverse events (11)

- **Event**  
blood hiv rna increased

**Reports**  
79

**Reporting signal score**

302.465
- **Event**  
cd4 lymphocytes decreased

**Reports**  
43

**Reporting signal score**

120.376
- **Event**  
endotracheal intubation

**Reports**  
28

**Reporting signal score**

73.0982
- **Event**  
gastrointestinal tube insertion

**Reports**  
66

**Reporting signal score**

198.866
- **Event**  
gastrostomy

**Reports**  
34

**Reporting signal score**

103.538
- **Event**  
genotype drug resistance test positive

**Reports**  
38

**Reporting signal score**

110.323
- **Event**  
immune reconstitution inflammatory syndrome

**Reports**  
80

**Reporting signal score**

190.752
- **Event**  
product dispensing error

**Reports**  
93

**Reporting signal score**

212.365
- **Event**  
viraemia

**Reports**  
30

**Reporting signal score**

92.5175
- **Event**  
viral load increased

**Reports**  
133

**Reporting signal score**

486.455
- **Event**  
weight increased

**Reports**  
322

**Reporting signal score**

350.786

### Trial references (32)

- NCT00042289  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT00042289)
- NCT02771054  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02771054)
- NCT03656783  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03656783)
- NCT03727152  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03727152)
- NCT03858478  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03858478)
- NCT04039217  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04039217)
- NCT04054089  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04054089)
- NCT04066881  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04066881)
- NCT04222283  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04222283)
- NCT04530630  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04530630)
- NCT04542070  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04542070)
- NCT04653194  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04653194)
- NCT04944654  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04944654)
- NCT04993872  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04993872)
- NCT05405751  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05405751)
- NCT05549180  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05549180)
- NCT05592613  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05592613)
- NCT05602506  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05602506)
- NCT05648201  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05648201)
- NCT05663892  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05663892)
- NCT02957994  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT02957994)
- NCT04496882  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04496882)
- NCT03696160  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT03696160)
- NCT05813964  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05813964)
- NCT04040075  
Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT04040075)

And 7 more, listed on the interactive page.

## Dosing

**Dose**

25 mg TAF

**Route**

Oral

**How often**

Once daily

### Conditions of use

- Take with or without food

## Chemical properties

**Hydrogen bond acceptors**

10

**Hydrogen bond donors**

2

**Polar surface area**

143.48

**Calculated partition coefficient (ALogP)**

2.97

**Prodrug**

Yes

**Chirality**

Single enantiomer

**Inorganic**

No

**Rule-of-five violations**

0

**Rotatable bonds**

11

**Heavy atoms**

74

**Molecular formula**

C46H62N12O14P2

**Monoisotopic mass**

1068.39836869

**Natural product**

No

## National Drug Codes

- 50090-6247
- 61958-1901
- 61958-2002
- 61958-2005
- 61958-2101
- 61958-2301
- 61958-2501
- 61958-2505
- 61958-2506

## Evidence counts

**Recorded assays**

15

**Active assays**

3

### Active assay types

- Confirmatory

## Related records

### Trials (151)

- (mo)BETTA Trial in Transwomen for Optimization of ART
- A Clinical Study of Islatravir and Ulonivirine for People With HIV-1 Who Have Not Been Treated Before (MK-8591B-062)
- A Clinical Study of the Interactions Between Azvudine Tablets (FNC) and Tenofovir Alafenol Fumarate Tablets (TAF)
- A Clinical Study of TQA3605 Tablets Monotherapy or in Combination With Nucleoside (Acid) Analogues in Treatment Naive and Treated Patients With Chronic Hepatitis B
- A Dose-Range Finding Clinical Trial Study in Human Immunodeficiency Virus (HIV-1) Infected Treatment-Naive Adults
- A Follow-up Study of Peginterferon Alfa-2b Combined With TDF in Patients With Chronic Hepatitis B
- A Phase 2b Study Evaluating Oral VH4524184 Regimens in Treatment Naïve Persons With HIV-1 (INNOVATE Study)
- A Phase II/III of Hepenofovir Fumarate Tablets (HTS) for Chronic Hepatitis B
- A Phase IV, Open-label, Randomised, Pilot Clinical Trial Designed to Evaluate the Potential Neurotoxicity of Dolutegravir/Lamivudine/Abacavir in Neurosymptomatic HIV Patients and Its Reversibility After Switching to Elvitegravir/Cobicistat/Emtricitabine/Tenofovir Alafenamide. DREAM Study
- A Small Sample Prospective Clinical Study of Azvudine Tablets to Promote Clinical Cure in Patients With Chronic Hepatitis B
- A Study of Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide (D/C/F/TAF) Evaluated as a Fixed Dose Combination Regimen in Participants Switching From an Integrase Inhibitor Who Have Experienced Rapid Weight Gain
- A Study of GS-3242 in Combination With Lenacapavir Versus Biktarvy in Virologically Suppressed People With HIV-1
- A Study of Islatravir (ISL) and Ulonivirine (ULO) Once Weekly (QW) in Virologically Suppressed Adults With Human Immunodeficiency Virus Type 1 (HIV-1) (MK-8591B-060)
- A Study of JNJ-73763989, JNJ-64300535, and Nucleos(t)Ide Analogs in Virologically Suppressed, Hepatitis B e Antigen (HBeAg)- Negative Participants With Chronic Hepatitis B Virus Infection
- A Study of JNJ-73763989, Pegylated Interferon Alpha-2a and Nucleos(t)Ide Analogs in Participants With Chronic Hepatitis B Virus Infection
- A Study to Assess Efficacy and Safety of HH-003 Injection in Subjects With Chronic Hepatitis Delta Virus Infection
- A Study to Evaluate the Efficacy and Safety of (D/C/F/TAF) Once Daily Fixed Dose Combination (FDC) Regimen in Newly Diagnosed, Antiretroviral Treatment-naive Human Immunodeficiency Virus Type 1 (HIV-1) Infected Participants Receiving Care in a Test and Treat Model of Care
- A Study to Provide Continued Access to Study Drug to Children and Adolescents Who Have Completed Clinical Studies Involving Gilead HIV Treatments
- A Switch to Doravirine/Islatravir (DOR/ISL) in Participants With Human Immunodeficiency Virus Type 1 (HIV-1) Who Are Virologically Suppressed on Bictegravir/Emtricitabine/Tenofovir Alafenamide (BIC/FTC/TAF) (MK-8591A-052)
- An Italian Observation of Antiretroviral Treatment in Participants Taking Darunavir/ Cobicistat Plus Emtricitabine and Tenofovir Alafenamide Fumarate

### Approved for (3)

- [Chronic hepatitis B virus infection](https://trialight.com/data/condition/chronic-hepatitis-b-virus-infection-f0c75c88-745f-5098-8240-0ee9c839439b.md)
- [Hepatitis B virus infection](https://trialight.com/data/condition/hepatitis-b-virus-infection-63cb6d13-50c4-5e97-86fd-ce5481d9d1c6.md)
- [HIV infectious disease](https://trialight.com/data/condition/hiv-infectious-disease-1260f28c-d667-55f9-b221-15d5017fde05.md)

### In development for (1)

- AIDS Phase 3

---

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