Research libraryMOLEKUL / SOURCE RECORD

R-phenylpiracetam: sleep-disorder application — EP2891491A1

designation of the inventor has not yet been filed The · 2015 · EP2891491A1 · patent family 49916967

Published 2015-07-08.

Patent / reported experimentsFull text availableSource linked

Reported patent results

Narrative findings; numerical extraction incomplete

Animal data concern motivation, while the human section supplies a broad ESS-improvement assertion without adequate arm-level results.

R-phenylpiracetam animal motivation studies and a patent-described 36-person Parkinson study design; independent completion/results verification was not established.

Reported findings and study figures · Motivation experiment and final prospective-study/ESS paragraphs.
MeasureResultComparison, timing and statistics
Animal motivationGreater work for preferred food described, without increased freely available ordinary-food consumptionR-isomer result; not proof of reduced clinical sleepiness
Human ESS statementAn improvement of at least 3 points is asserted, but no baseline/endpoint means, arm counts or uncertainty are suppliedThe text describes a 36-subject, four-week study without independently verifiable completed results

A clinical design and an unsupported summary statement are not a reliable treatment estimate. The R-isomer is not racemic Phenotropil and animal motivation is not a validated sleep-disorder outcome.

Source for the extracted data ↗ · Checked 2026-11-06

Patent claims and provenance

Modified analogue. The application concerns the R-enantiomer of phenylpiracetam and sleep-disorder uses.

An isolated enantiomer is not the racemic Phenotropil preparation; efficacy or legal status cannot be transferred between them without evidence.

Publication
EP2891491A1 ↗ · 2015-07-08
Earliest priority / filing
2014-01-03 / 2014-01-03
Original applicant / assignee
Merz Pharma GmbH and Co KGaA
Indexed status
Ceased · checked 2026-11-06
Patent family
49916967 · family publications are related filings, not independent studies.
Original title, inventors and related publications

Use of (r)-phenylpiracetam for the treatment of sleep disorders

Inventors: designation of the inventor has not yet been filed The.

EP2891491A1

Original patent PDF ↗

Patent collection and status interpretation →

Molekul summary of the linked publication. Educational information, not medical advice. Seek qualified healthcare help for medical conditions.

Methods, limitations & source review

Study limitations

  • An isolated enantiomer is not the racemic Phenotropil preparation; efficacy or legal status cannot be transferred between them without evidence.
  • A clinical design and an unsupported summary statement are not a reliable treatment estimate. The R-isomer is not racemic Phenotropil and animal motivation is not a validated sleep-disorder outcome.
  • Patents record claimed inventions and supporting disclosures. Publication or grant does not establish clinical efficacy, safety or marketing approval. Members of one patent family and related journal reports can describe the same experiments.
  • Status labels are Google Patents index snapshots for the displayed publication or application; the record gives its source-check date. Official registers and every national family member have not been independently checked. These labels do not establish freedom to operate.

Publication counts are not counts of independent trials. Reviews, translations and reports sharing participants may overlap. Findings apply to the studied preparation, population and endpoints.

Document format: Original patent text and indexed metadata

Review depth: Claims, selected reported findings and limitations reviewed; supporting experiments not comprehensively appraised.

Related-report group: patent-family-49916967. Reports in this group are not assumed to be independent trials.

Source access and review scope

Original patent publication accessed through Google Patents. Claims, selected reported findings and source limitations checked. The results section identifies the examples, tables and any numerical extraction gaps. No complete experimental audit, prosecution review or legal claim construction was performed.

Recorded source-check date: 2026-11-06. This date does not imply a completed systematic review.

Source type: Patent publication

Open original source or index record ↗

Citation and original source

Original source: designation of the inventor has not yet been filed The. R-phenylpiracetam: sleep-disorder application — EP2891491A1 EP2891491A1 · patent family 49916967 2015.

Molekul research summary: https://molekul.io/research/patent-ep2891491a1. Cite the original publication for its findings and this page when referring to Molekul’s summary or evidence appraisal.

Bibliography entry

Related compound profiles

Editorial policy and evidence standards