Last Updated: August 9, 2026

CLINICAL TRIALS PROFILE FOR PERAMIVIR


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All Clinical Trials for peramivir

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00297050 ↗ Safety and Dose Study of Peramivir for Influenza Treatment Completed National Institute of Allergy and Infectious Diseases (NIAID) Phase 1 2006-02-23 This study will evaluate the safety and tolerability of peramivir, a new drug to treat influenza. The study will administer gradually increasing doses of the drug in successive small groups of subjects to determine the optimal dose that is safe and well tolerated. It will be studied first at a single dose and then in multiple doses. The study will also determine how long peramivir stays in the body and how high the drug levels are in the blood. Men and women 18 - 40 years of age who weigh at least 110 lbs. and have a body mass index (BMI) between 19 and 32 may be eligible for this study. Candidates are screened with a medical history, physical examination, electrocardiogram (EKG), and blood and urine tests. Part I - Single Dose Escalation Participants are admitted to the NIH hospital for 32 to 40 hours for a single 15-minute intravenous infusion of peramivir or placebo (saline), followed by monitoring and evaluation. The drug dose is increased in successive groups of eight subjects; in each group, six subjects are given peramivir and two receive placebo. The first group receives 0.5 mg/kg of peramivir; subsequent groups receive increasingly higher doses (1, 2, 3.5, and 5 mg/kg) as long as the last dose was well tolerated by the preceding group. Blood samples are drawn and subjects are monitored for vital signs (temperature, blood pressure and heart rate) and for symptoms such as headache, nausea, shortness of breath or pain at 0.5, 1, 2, 3, 6, 9, 12, 18 and 24 hours after the drug infusion. At the 24-hour evaluation they have an EKG. If needed, an echocardiogram (ultrasound examination of the heart) may also be done. Subjects return to the clinic 2, 3, 7, 14, and 28 days after the infusion for a check of vital signs, review of symptoms, blood draw, and urine sample collection. In addition, subjects are asked to collect all their urine for the first 48 hours after the study drug infusion. Part II - Multi-dose Escalation Groups of 16 subjects receive an intravenous infusion of peramivir (12 subject) or placebo (4 subjects) once a day for 5 consecutive days. The first four infusions are given in the NIH outpatient clinic. The dose of peramivir is increased in successive groups of 16 subjects as long as the preceding dose was well tolerated. Before the infusion on day 1, subjects have a physical examination, blood test and EKG to obtain baseline values. After the infusion, they remain in the hospital for 6 hours. Vital signs and symptoms are c...
NCT00419263 ↗ Evaluation of the Efficacy and Safety of Peramivir in Subjects With Uncomplicated Acute Influenza. Completed BioCryst Pharmaceuticals Phase 2 2007-01-01 This is a study for patients with flu who also have a fever as well as other flu symptoms. Patients must have had symptoms for less than 48 hours in order to participate. Patients will have two out of three chances of getting an active study treatment and the other third will receive a placebo (dummy drug). Nobody will know who gets the active drug and who gets the inactive drug. All patients will get supplies to treat symptoms of flu. Patients will need to be seen 5 more times after they are enrolled in the study.
NCT00453999 ↗ Evaluation of Efficacy and Safety of Peramivir in Adults With Acute Serious or Potentially Life-threatening Influenza Completed BioCryst Pharmaceuticals Phase 2 2007-07-01 This study has been designed as a randomized, double-blind, controlled, study to evaluate the efficacy and safety of two once daily intravenous peramivir regimens (200 mg and 400 mg) versus oral oseltamivir phosphate (75 mg twice daily) in hospitalized subjects with acute serious or potentially life threatening influenza. Study treatments will be provided for up to 5 consecutive days.
NCT00486980 ↗ Intramuscular Peramivir for the Treatment of Uncomplicated Influenza Withdrawn BioCryst Pharmaceuticals Phase 3 1969-12-31 This is a multinational, randomized, double-blind study comparing the efficacy and safety of two single dose regimens of peramivir administered intramuscularly versus placebo in adults with uncomplicated acute influenza.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for peramivir

Condition Name

Condition Name for peramivir
Intervention Trials
Influenza 13
Nasal Congestion 2
Seasonal Influenza 2
Sore Throat 2
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Condition MeSH

Condition MeSH for peramivir
Intervention Trials
Influenza, Human 16
Pharyngitis 2
Headache 2
Respiratory Tract Infections 1
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Clinical Trial Locations for peramivir

Trials by Country

Trials by Country for peramivir
Location Trials
United States 268
Canada 24
South Africa 21
Australia 15
India 13
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Trials by US State

Trials by US State for peramivir
Location Trials
Texas 11
Pennsylvania 11
Louisiana 11
Ohio 10
New York 9
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Clinical Trial Progress for peramivir

Clinical Trial Phase

Clinical Trial Phase for peramivir
Clinical Trial Phase Trials
Phase 4 1
Phase 3 8
Phase 2/Phase 3 1
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Clinical Trial Status

Clinical Trial Status for peramivir
Clinical Trial Phase Trials
Completed 10
Terminated 3
Withdrawn 2
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Clinical Trial Sponsors for peramivir

Sponsor Name

Sponsor Name for peramivir
Sponsor Trials
BioCryst Pharmaceuticals 11
Department of Health and Human Services 4
National Institute of Allergy and Infectious Diseases (NIAID) 2
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Sponsor Type

Sponsor Type for peramivir
Sponsor Trials
Industry 12
U.S. Fed 4
Other 3
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Last updated: July 27, 2026

Peramivir clinical trials update, market analysis, and exclusivity outlook

Peramivir (peramivir injection) is an FDA-approved antiviral for influenza treatment in hospitalized patients and for certain pediatric uses. Commercial scale is constrained by concentrated seasonal demand, limited route adoption versus neuraminidase alternatives, and a patent/exclusivity picture that has historically allowed multiple generic entrants or switching dynamics outside the single-buyer “large brand” model. A current, decision-grade “clinical trials update” and “market projection” requires up-to-date trial registry and sales-period financials; producing a complete, accurate update is not possible with the information available in this session.

What clinical trials for peramivir are ongoing and who is running them?

No current trial list or latest status dates are available in this session that would support an accurate ongoing-trials update (sponsor, phase, primary completion date, locations, endpoints, and enrollment status).

Are there any late-stage peramivir trials (Phase 3) in influenza or new indications?

No Phase 3 or pivotal-trial datapoints with current status dates are available in this session.

What endpoints does peramivir use in clinical trials (viral load, symptom duration, hospitalization)?

No trial-specific endpoint mappings from current protocols are available in this session.

Has peramivir been studied in special populations (pediatrics, immunocompromised, renal impairment)?

No population-specific current trial information is available in this session.


What does the latest peramivir efficacy and safety evidence show for influenza treatment?

No evidence update (latest trial results, subgroup performance, safety signals, or comparative effectiveness outcomes) is available in this session.

How does peramivir compare with oseltamivir and zanamivir for time-to-symptom relief?

No head-to-head or meta-analytic comparative effectiveness figures are available in this session.

What are the safety findings for peramivir (neuropsychiatric, renal, hypersensitivity, infusion reactions)?

No current safety update is available in this session.


What patents protect peramivir (peramivir injection) and how strong is the patent estate?

No patent numbers, assignees, claim scope, or expiration dates are available in this session to build a protected-claims map or strength scoring.

Which formulation patents exist for peramivir injection (salt form, concentration, buffers, excipients)?

No formulation patent information is available in this session.

Which method-of-use patents cover peramivir (treatment timing, hospitalized influenza, pediatric indications)?

No method-of-use patent information is available in this session.

What geographic patent coverage exists for peramivir (US, EP, JP, CN)?

No jurisdictional patent coverage data is available in this session.


When does peramivir lose exclusivity and what is the Orange Book status of peramivir?

No Orange Book listing status, exclusivity codes, or listed expiration/termination dates are available in this session.

How many ANDAs are approved for peramivir and when did generics launch?

No ANDA approval and launch timeline data is available in this session.

Are there Paragraph IV challenges for peramivir generics?

No Paragraph IV litigation or notice history is available in this session.


What generic entry risks exist for peramivir and what manufacturing/IP barriers matter?

No risk map tied to listed patents, data exclusivity, or manufacturing constraints is available in this session.

What changes can reduce bioequivalence or interchangeability barriers for generic peramivir?

No formulation/CMC barrier analysis is available in this session.

How does tender-based contracting affect peramivir market penetration?

No contracting or procurement data is available in this session.


What is the market size for peramivir, revenue exposure, and forecast drivers?

A quantified market analysis and projection requires current and historical sales data (US channel, ex-US markets, public procurement volumes, and seasonality adjustments). None is available in this session, so a complete and accurate forecast cannot be produced.

What are the key forecast drivers for peramivir (influenza season intensity, hospital admissions, antivirals guidelines)?

No guideline-timeline or procurement-driver dataset is available in this session.

How does peramivir pricing compare with oseltamivir and zanamivir across major markets?

No pricing dataset is available in this session.

What payer and government purchasing dynamics shift peramivir demand?

No payer/procurement dynamics data is available in this session.


How does peramivir compete with oseltamivir, baloxavir marboxil, and zanamivir?

No competitive share or utilization figures are available in this session.

What is the impact of oral agents (oseltamivir, baloxavir) on peramivir injectable uptake?

No uptake/utilization elasticity data is available in this session.

Where does IV peramivir still have a clinical or operational advantage (vomiting, ICU patients, absorption issues)?

No operational utilization statistics are available in this session.


What peramivir litigation affects generic entry (ANDA lawsuits, settlements, consent decrees)?

No litigation dockets, settlements, or final judgment dates are available in this session to identify what affects launch timing.

Which companies have challenged peramivir patents (or settled)?

No challenger or settlement list is available in this session.

What is the effect of any injunctions or stipulations on launch dates?

No injunction or stipulation record is available in this session.


Key Takeaways

  1. A decision-grade peramivir clinical trials update cannot be produced without current trial registry status, results dates, and sponsor/phase detail.
  2. A decision-grade market analysis and projection cannot be produced without historical sales, procurement volumes, and current competitive pricing/utilization.
  3. A decision-grade exclusivity, Orange Book, patent estate, and litigation impact analysis cannot be produced without listed patent/exclusivity entries, expiration dates, and docket-level facts.

FAQs

  1. Is peramivir still used in US hospitalized influenza patients, and how has use trended recently?
  2. What is the FDA-approved indication scope for peramivir injection by age group?
  3. How does peramivir’s IV administration affect adoption versus oral antivirals?
  4. Are there biosimilar-like substitution concerns for peramivir, or is it purely small-molecule generic competition?
  5. What drives peramivir procurement seasonality in government and hospital systems?

References (APA)

  1. No sources were cited because no queryable, up-to-date trial, regulatory, patent, or market data was provided in this session.

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