PEDEvidence

Oxiracetam

What it is & what research shows

Study example available

Oxiracetam is a racetam investigated for attention and other cognitive functions in dementia and neurological conditions. The research below distinguishes observed findings from interpretation. [1.1]

Selected human research: 40 outpatients randomized in a double-blind trial to oxiracetam 800 mg twice daily or placebo for 90 days. Route is not specified in the abstract. Several cognitive tests and instrumental daily-living measures favored oxiracetam. No side effects were observed in this trial. A 40-person trial cannot establish uncommon or long-term risks. Dementia findings do not establish healthy-person enhancement; L-oxiracetam studies concern a specific stereoisomer. A 40-person trial cannot establish uncommon or long-term risks. Dementia findings do not establish healthy-person enhancement; L-oxiracetam studies concern a specific stereoisomer. [2.1]

Studied methods, not dosing advice. Selected evidence, not a complete literature review or formal quality appraisal.
Sources & reading scope

Study-summary coverage

No completed study summaries are linked to this compound page yet. This is a coverage gap on PED Evidence, not evidence that human studies or other research do not exist.

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Selected study reading notes

Source-linked summaries with studied methods. These are separate from the automated summary counts above and are not formal quality appraisals.

Human

Oxiracetam: what does this study show?

40 outpatients randomized in a double-blind trial to oxiracetam 800 mg twice daily or placebo for 90 days. Route is not specified in the abstract.

Demonstrated findings

Several cognitive tests and instrumental daily-living measures favored oxiracetam. No side effects were observed in this trial.

Limitations & adverse findings

A 40-person trial cannot establish uncommon or long-term risks. Dementia findings do not establish healthy-person enhancement; L-oxiracetam studies concern a specific stereoisomer.

What might this mean? · interpretation

These findings apply to the population and methods described above.

What might this mean, and what would change the interpretation?

A 40-person trial cannot establish uncommon or long-term risks. Dementia findings do not establish healthy-person enhancement; L-oxiracetam studies concern a specific stereoisomer.

What would clarify this: Independent replication with clinically meaningful outcomes and longer safety follow-up.

Findings reviewed · abstract

Checked Sep 23, 2026 against the linked abstract. This reading note is not a formal risk-of-bias appraisal.

More about Oxiracetam: identity, safety & reference details
Small moleculeBrain & cognition
Primary research area
Neurological & cognitive research
Regulatory status
See compound-specific sources
Evidence level
Human research · indication-specific
Primary mechanism
See the source-linked compound overview
Reference profile available · Coverage varies by section

What has been observed?

Selected source-linked reading notes, not the complete literature or a pooled conclusion.

Human · Abstract reviewed

Oxiracetam: what does this study show?

40 outpatients randomized in a double-blind trial to oxiracetam 800 mg twice daily or placebo for 90 days. Route is not specified in the abstract.

Several cognitive tests and instrumental daily-living measures favored oxiracetam. No side effects were observed in this trial.

Limits & adverse findings: A 40-person trial cannot establish uncommon or long-term risks. Dementia findings do not establish healthy-person enhancement; L-oxiracetam studies concern a specific stereoisomer. A 40-person trial cannot establish uncommon or long-term risks. Dementia findings do not establish healthy-person enhancement; L-oxiracetam studies concern a specific stereoisomer.

Open primary source · Read interpretation separately
Explore outcomes for this compound
Uses & research

The research below distinguishes observed findings from interpretation. [1]

Known half-life

No source-verified value in this profile yet. A treatment schedule or duration of an effect is not a drug half-life.

Half-life describes how quickly the measured drug concentration falls by half. It does not set a dosing interval.
Evidence & important limits

A 40-person trial cannot establish uncommon or long-term risks. Dementia findings do not establish healthy-person enhancement; L-oxiracetam studies concern a specific stereoisomer. [1]

Safety & evidence boundaries

Source-specific information, not a personal safety clearance or monitoring plan.

A 40-person trial cannot establish uncommon or long-term risks. Dementia findings do not establish healthy-person enhancement; L-oxiracetam studies concern a specific stereoisomer.

Human study: A 40-person trial cannot establish uncommon or long-term risks. Dementia findings do not establish healthy-person enhancement; L-oxiracetam studies concern a specific stereoisomer. Source

Explore safety questions by system

These are literature filters, not claims that this compound causes each effect. A keyword match is not a confirmed adverse reaction.

Interactions, rare harms, long-term effects and reversibility require separate evidence. Do not infer they are absent when the sources here do not address them.

Identity, names & formulations

Canonical compound: Oxiracetam · oxiracetam

No additional aliases recorded.

Names share a parent research page. Different esters, salts, routes and brands are not assumed to have the same half-life, indication or exposure.

Combination evidence stays attached to the studied combination. It is not automatically assigned to each ingredient.

Understand the evidence types

Read the model and design first, then the population, outcome and limitations. These categories describe evidence, not a best-compound ranking.

Randomized human trials
Compare assigned interventions. Randomization does not by itself establish low bias or relevance to every population.
Controlled human studies
Use a comparison group; allocation and confounding still matter.
Prospective human research
Follows participants forward. It may be observational or interventional, so this is not a separate quality grade.
Observational human research
Describes associations. Confounding can explain differences.
Case reports and series
Useful for unusual events and safety signals, not reliable rates or effect sizes.
Animal research
Can test biology and function in a living model. Human exposure, benefit and safety remain separate questions.
Cell and tissue research
Tests responses in a preparation, including human-derived cells. It is not a human participant trial.
Mechanistic and computational evidence
Helps explain or predict a pathway; predictions need experimental and clinical testing.
Anecdotal reports
Self-reported experiences can generate questions. Product identity, selection bias and other interventions may be uncontrolled.

Systematic reviews synthesize studies and depend on their quality. Preprint status and abstract versus full-paper reading are separate labels. Citation popularity measures attention, not reliability. A study summary is not a formal quality appraisal.

Sources for this profile

  1. 1. Oxiracetam versus placebo in mild to moderate dementia Human · primary publication abstract

Reference facts checked 2026-09-23. Source scope is listed above; this is not a formal quality appraisal. See each label for full prescribing information.

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