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Lipovirtide (LP-80)



Drug structure

Placeholder for Lipovirtide

Placeholder for Lipovirtide


Drug information

Associated long-acting platforms

Aqueous drug particle suspension, Lipopeptide (fatty acid-conjugated peptide), Monoclonal antibodies and antibody drug conjugates

Administration route

Subcutaneous

Therapeutic area(s)

HIV

Use case(s)

Treatment

Use of drug

Ease of administration

Administered by a nurse
Administered by a specialty health worker

Frequency of administration

Weekly
Every 2 weeks

User acceptance

No published patient-reported acceptability data. In macaque studies no significant injection site reactions or systemic toxicity were observed. Human safety data from the completed phase I and phase II studies have not been published; no anti-drug antibodies were detected in rat or macaque studies.

Dosage

Available dose and strength

Investigational. Single-dose phase I evaluated 5, 10, 20, 40, 60 and 80 mg subcutaneously; phase II evaluated 10 mg and 40 mg once weekly and 60 mg once every 2 weeks.

Maximum dose

80 mg (highest single dose evaluated in phase I, NCT04592315)

Recommended dosing regimen

Investigational. No approved regimen. Phase II regimens under evaluation: lipovirtide 10 mg or 40 mg subcutaneously once weekly, or 60 mg once every 2 weeks, each combined with daily oral lamivudine (3TC) plus tenofovir disoproxil fumarate (TDF), compared with daily oral DTG + 3TC + TDF.

Additional comments

Doses listed are taken from trial registry arm descriptions, not from a product label. Preclinical macaque dosing was 3 mg/kg subcutaneously twice weekly.

Dosage link(s)

Not provided


Drug information

Drug's link(s)

Not provided

Generic name

Lipovirtide; LP-80; stearic acid (C18)-conjugated lipopeptide HIV-1/HIV-2 gp41 fusion inhibitor derived from the chimeric peptide template P-52

Brand name

Not applicable (investigational; no brand name assigned)

Compound type

Biotherapeutic

Drug class/category

HIV fusion inhibitor (gp41 NHR-targeting lipopeptide)

Summary

Lipovirtide (originally designated LP-80) is a stearic acid (C18)-modified lipopeptide HIV-1/HIV-2 fusion inhibitor developed at the National Institute of Pathogen Biology, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS/PUMC), and taken into clinical development by Shanxi Kangbao Biological Product Co., Ltd. It is derived from the enfuvirtide (T-20)-based chimeric template P-52, in which the C-terminal tryptophan-rich motif is replaced by a fatty acid; the C18 conjugation anchors the inhibitor in the target cell membrane and extends its half-life. It blocks six-helix bundle formation by binding the gp41 N-terminal heptad repeat, thereby preventing virus-cell membrane fusion. Preclinically, LP-80 inhibited divergent HIV-1 subtypes with a mean IC50 of 5.58 pM.

Approval status

Investigational. Not approved in any jurisdiction as of September 2026. Developed in China. Phase II (NCT06061536) completed; a phase III trial is reported in the peer-reviewed literature (Zhu et al., Antiviral Research 2026) but no corresponding registry record was located.

Regulatory authorities

No marketing authorisation applications identified. Clinical development conducted in China under NMPA oversight; trials registered on ClinicalTrials.gov record that the product is not a US FDA-regulated drug.

Safety

Not provided

Efficacy

Not provided

Evidence Summary

Not provided

Delivery device(s)

No delivery device


Scale-up and manufacturing prospects

Scale-up prospects

Manufactured by solid-phase Fmoc peptide synthesis with C-terminal lysine side-chain deprotection for fatty acid conjugation at research scale; GMP scale-up capacity for the clinical product has not been disclosed.

Tentative equipment list for manufacturing

Research-scale synthesis reported: solid-phase peptide synthesiser (Rink amide MBHA resin, Fmoc chemistry); hydrazine/DMF deprotection step for Dde-protected lysine; reverse-phase preparative HPLC for purification; mass spectrometer for characterisation; lyophiliser. Commercial-scale equipment list not reported.

Manufacturing

Chemical synthesis (solid-phase peptide synthesis). Peptides N-terminally acetylated and C-terminally amidated; stearic acid conjugated at a C-terminal lysine side chain following Dde deprotection; purified by RP-HPLC to >95% homogeneity. GMP manufacturing details for the clinical product have not been published.

Specific analytical instrument required for characterization of formulation

RP-HPLC; mass spectrometry; LC-MS/MS for plasma concentration measurement; circular dichroism spectroscopy for alpha-helicity and thermostability.


Clinical trials

KB-LP-80-101

Identifier

NCT04592315

Link

https://clinicaltrials.gov/study/NCT04592315

Phase

Phase I

Status

Completed

Sponsor

Shanxi Kangbao Biological Product Co., Ltd.

More details

To evaluate the safety, tolerability of single dose lipovirtide injection in HIV-infected individuals without prior antiviral treatment, and to investigate the pharmacokinetic characteristics of infected patients.

Purpose

A Study to Assess the Safety, Tolerability and Pharmacokinetics of Lipovirtide in HIV-infected Patients

Interventions

Intervention 1

Lipovirtide Injection

Countries

China

Sites / Institutions

Not provided

Trials dates

Anticipated Start Date
Not provided

Actual Start Date
2021-01-23

Anticipated Date of Last Follow-up
2026-05-06

Estimated Primary Completion Date
Not provided

Estimated Completion Date
Not provided

Actual Primary Completion Date
2023-05-02

Actual Completion Date
2023-07-11

Studied populations

Age Cohort

  • Adults

Genders

  • All

Accepts pregnant individuals
Unspecified

Accepts lactating individuals
Unspecified

Accepts healthy individuals
Yes

Comments about the studied populations

Inclusion Criteria: 1. Male or female aged from 18 to 60 (include 18 and 60); 2. Body mass index (BMI) \[weight (kg)/ height 2(m2)\] is from 18.0 to 26.0(include 18.0 and 26.0),male weight≥50kg,female weight≥45kg; 3. Confirmed HIV-1 infection; 4. HIV viral load ≥ 1000 copies/mL; 5. Patients who have no birth plan within 2 weeks before the screening and 3 months after the end of the trial, consenting to take effective non-drug contraceptive measures during the trial period; 6. Understand the purpose of and procedures required for the study and having confirmed they are willing to participate in the study by signing the informed consent document. Exclusion Criteria: 1. Patients in the acute infection stage; 2. Confirmed AIDS patients; 3. Patients who have received antiviral therapy and/or

Health status

Not provided

Study type

Interventional (clinical trial)

Enrollment

46

Allocation

Randomized

Intervention model

Sequential assignment

Intervention model description

Not provided

Masking

Open label

Masking description

Not provided

Frequency of administration

Weekly
Every 2 weeks

Studied LA-formulation(s)

Injectable

Studied route(s) of administration

Intravenous

Use case

Treatment

Key resources

Not provided

KB-LP-80-102

Identifier

NCT05349968

Link

https://clinicaltrials.gov/study/NCT05349968

Phase

Phase I

Status

Completed

Sponsor

Shanxi Kangbao Biological Product Co., Ltd.

More details

Primary Objectives 1.Evaluation of safety and tolerability after repeated administration of injectable Lipivirtide in HIV-infected patients not receiving antiretroviral therapy Secondary Objectives 1. Evaluation of the pharmacokinetic properties of injectable Lipovirtide after multiple administrations in HIV-infected patients not receiving antiretroviral therapy, to obtain pharmacokinetic parameters. 2. Evaluation of the efficacy of injectable Lipovirtide for HIV in HIV-infected patients not receiving antiretroviral therapy. 3. Evaluation of the immunogenicity of lipovirtide for injection.

Purpose

Pharmacokinetics and Efficacy of Multiple Dosing of Lipovirtide for Injection in HIV-infected Patients

Interventions

Intervention 1

Lipovirtide for injection

Countries

China

Sites / Institutions

Not provided

Trials dates

Anticipated Start Date
Not provided

Actual Start Date
2022-06-10

Anticipated Date of Last Follow-up
2026-05-06

Estimated Primary Completion Date
Not provided

Estimated Completion Date
Not provided

Actual Primary Completion Date
2023-06-07

Actual Completion Date
2023-09-07

Studied populations

Age Cohort

  • Adults

Genders

  • All

Accepts pregnant individuals
Unspecified

Accepts lactating individuals
Unspecified

Accepts healthy individuals
No

Comments about the studied populations

Inclusion Criteria: 1. 18\~60 years old (including the critical value), male and female are not limited. 2. Body mass index BMI \[weight (kg)/height2 (m2)\] is 18.0\~28.0 (including the critical value), male weight should be ≥50kg, female weight should be ≥45kg. 3. Diagnosed with HIV-1 infection. 4. Those who did not plan to have children within 2 weeks prior to screening and within 3 months after the end of the trial and who agreed to use effective non-pharmacological contraception during the trial. 5. Subjects should fully understand the purpose, nature and methods of the test and the possible adverse effects and voluntarily participate in this test. Exclusion Criteria: Subjects meeting any of the following criteria will not be allowed to enter the trial 1. The presence of any of the

Health status

Not provided

Study type

Interventional (clinical trial)

Enrollment

24

Allocation

Randomized

Intervention model

Sequential assignment

Intervention model description

Not provided

Masking

Open label

Masking description

Not provided

Frequency of administration

Every 2 weeks
Weekly

Studied LA-formulation(s)

Injectable

Studied route(s) of administration

Intravenous

Use case

Treatment

Key resources

Not provided

SXKB-LP-80-201

Identifier

NCT06061536

Link

https://clinicaltrials.gov/study/NCT06061536

Phase

Phase II

Status

Completed

Sponsor

Shanxi Kangbao Biological Product Co., Ltd.

More details

A randomized, controlled, open-label, dose-exploration study to assess the effectiveness and safety of Lipovirtide combined with nucleoside drugs in HIV-infected patients who have not received antiviral treatment before.

Purpose

Assess the Effectiveness and Safety of Lipovirtide Combined With Nucleoside Drugs in HIV-infected Patients.

Interventions

Intervention 1

Lipovirtide 10mg

Intervention 2

Lipovirtide 40mg

Intervention 3

Lipovirtide 60mg

Intervention 4

DTG

Countries

China

Sites / Institutions

Not provided

Trials dates

Anticipated Start Date
Not provided

Actual Start Date
2023-11-02

Anticipated Date of Last Follow-up
2026-05-12

Estimated Primary Completion Date
Not provided

Estimated Completion Date
Not provided

Actual Primary Completion Date
2024-11-29

Actual Completion Date
2025-01-24

Studied populations

Age Cohort

  • Adults
  • Older Adults

Genders

  • All

Accepts pregnant individuals
Unspecified

Accepts lactating individuals
Unspecified

Accepts healthy individuals
No

Comments about the studied populations

Inclusion Criteria: 1. age≥18 years (including the critical value) when signed the informed consent form ,.male or female. 2. Untreated, confirmed HIV-1 infected patients; 3. HIV RNA viral load≥1000 copies/mL; 4. CD4+ T cell counts≥200 cells/mm3; 5. Subjects who have no plans for conception within the 2 weeks prior to screening and 3 months after the end of the trial, and who agree to use effective non-pharmacological contraceptive measures during the trial; 6. Sign informed consent prior to the test and fully understand the purpose, nature, methods, and possible adverse reactions, and be willing to participate in the study. Exclusion Criteria: 1. Subjects with an allergy history or hypersensitivity to any component or excipient of the investigational drug; 2. Subjects with severe oppor

Health status

Not provided

Study type

Interventional (clinical trial)

Enrollment

64

Allocation

Randomized

Intervention model

Parallel Assignment

Intervention model description

Not provided

Masking

Open label

Masking description

Not provided

Frequency of administration

Every 2 weeks
Weekly

Studied LA-formulation(s)

Injectable

Studied route(s) of administration

Intravenous

Use case

Treatment

Key resources

Not provided

Excipients

Proprietary excipients used

Not provided

Novel excipients or existing excipients at a concentration above Inactive Ingredients Database (IID) for the specified route of administration

Not provided

Residual solvents used

Not provided


Patent info

There are either no relevant patents or these were not yet submitted to LAPaL


Supporting material

Publications

There are no publication

Additional documents

No documents were uploaded

Useful links

There are no additional links


Additional information

Not provided