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Valaciclovir

Generic Name
Valaciclovir
Brand Names
Valtrex
Drug Type
Small Molecule
Chemical Formula
C13H20N6O4
CAS Number
124832-26-4
Unique Ingredient Identifier
MZ1IW7Q79D

Overview

Valaciclovir (valacyclovir), also known as Valtrex, is an antiviral drug that has been used to manage and treat various herpes infections for more than 2 decades. It was initially approved by the FDA in 1995 and marketed by GlaxoSmithKline . Valacyclovir is the L-valine ester of aciclovir. It is a member of the purine (guanine) nucleoside analog drug class . This class of drugs forms an important part of hepatitis, HIV, and cytomegalovirus drug regimens . One major use of valacyclovir is the treatment of genital herpes episodes or outbreaks. Genital herpes is a frequently diagnosed sexually transmitted disease which currently affects more than 400 million individuals worldwide. It is caused by infection with the herpes simplex virus (HSV). Infection with this virus is lifelong with periodic episodes of reactivation .

Background

Valaciclovir (valacyclovir), also known as Valtrex, is an antiviral drug that has been used to manage and treat various herpes infections for more than 2 decades. It was initially approved by the FDA in 1995 and marketed by GlaxoSmithKline . Valacyclovir is the L-valine ester of aciclovir. It is a member of the purine (guanine) nucleoside analog drug class . This class of drugs forms an important part of hepatitis, HIV, and cytomegalovirus drug regimens . One major use of valacyclovir is the treatment of genital herpes episodes or outbreaks. Genital herpes is a frequently diagnosed sexually transmitted disease which currently affects more than 400 million individuals worldwide. It is caused by infection with the herpes simplex virus (HSV). Infection with this virus is lifelong with periodic episodes of reactivation .

Indication

Valacyclovir is a nucleoside analog DNA polymerase inhibitor indicated for : Adults • Cold Sores (Herpes Labialis) • Genital Herpes • Treatment of genital herpes lesions in immunocompetent patients (initial or recurrent episode) • Suppression of genital herpes lesions in immunocompetent or HIV-infected patients • Reduction of viral transmission • Herpes Zoster Pediatric Patients • Cold Sores (Herpes Labialis) • Chickenpox Limitations of use The efficacy and safety of valacyclovir have not been established in immunocompromised patients other than for the suppression of genital herpes in HIV-infected patients.

Associated Conditions

  • Chickenpox
  • Genital Herpes
  • Genital herpes, initial episode
  • Herpes Labialis
  • Herpes Zoster
  • Recurrent Genital Herpes (RGH)

Clinical Trials

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Title
Posted
Study ID
Phase
Status
Sponsor
2021/10/26
Phase 1
UNKNOWN
Buddhist Tzu Chi General Hospital
2021/01/14
Phase 2
Completed
2020/12/11
N/A
Completed
Nearmedic Plus LLC
2020/06/25
Phase 1
Completed
2019/11/15
Phase 2
Completed
2019/09/09
Not Applicable
Terminated
2018/10/09
Phase 2
Terminated
2018/07/03
Phase 1
Completed
2018/05/31
Phase 2
UNKNOWN
2018/05/02
Not Applicable
Completed
David Smart

FDA Drug Approvals

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Approved Product
Manufacturer
NDC Code
Route
Strength
Effective Date
TIME CAP LABORATORIES, INC.
49483-691
ORAL
1 g in 1 1
7/17/2021
Rising Pharma Holdings, Inc.
57237-043
ORAL
1 g in 1 1
1/8/2024
Cipla USA Inc.
69097-153
ORAL
500 mg in 1 1
12/25/2022
Zydus Lifesciences Limited
65841-630
ORAL
1000 mg in 1 1
11/5/2022
A-S Medication Solutions
50090-6581
ORAL
500 mg in 1 1
2/13/2023
Unit Dose Services
50436-0154
ORAL
1000 mg in 1 1
12/12/2018
Cardinal Health 107, LLC
55154-7985
ORAL
500 mg in 1 1
11/28/2022
Redpharm Drug
67296-2146
ORAL
1000 mg in 1 1
6/10/2025
Life Line Home Care Services, Inc.
75921-208
ORAL
500 mg in 1 1
3/22/2012
Preferred Pharmaceuticals, Inc.
68788-7587
ORAL
1 g in 1 1
10/9/2023

EMA Drug Approvals

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Authorization Holder
Status
Issued Date
No EMA approvals found for this drug.

HSA Drug Approvals

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Manufacturer
Approval Number
Dosage Form
Strength
Approval Date
No HSA approvals found for this drug.

NMPA Drug Approvals

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Approved Product
Company
Approval Number
Drug Type
Dosage Form
Approval Date
Valacyclovir Hydrochloride Tablets
国药准字H20258047
化学药品
片剂
3/28/2025
Valacyclovir Hydrochloride Tablets
国药准字H20045266
化学药品
片剂
5/14/2024
Valacyclovir Hydrochloride Tablets
国药准字H20258039
化学药品
片剂
3/24/2025
Valacyclovir Hydrochloride Tablets
国药准字HJ20150209
化学药品
片剂
9/18/2023
Valacyclovir Hydrochloride Tablets
国药准字H20217017
化学药品
片剂
2/7/2021
Valacyclovir Hydrochloride Tablets
国药准字H20065583
化学药品
片剂
8/24/2021
Valacyclovir Hydrochloride Tablets
国药准字H20237057
化学药品
片剂
5/24/2023
Valacyclovir Hydrochloride Tablets
国药准字H20057723
化学药品
片剂(薄膜衣)
5/18/2020
Valacyclovir Hydrochloride Tablets
国药准字H20056932
化学药品
片剂
5/14/2024
Valacyclovir Hydrochloride Tablets
国药准字H20234312
化学药品
片剂
10/18/2023

PPB Drug Approvals

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Registration No.
Company
Licence No.
Strength
Registration Date
No PPB approvals found for this drug.
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