Cycle-length evidence
PNC-27 cycle length: what human studies ran
Not approved — research use onlyDMechanistic only
Short answer: there is no established PNC-27 cycle length, and we found no human studies that report one.
Treatment and follow-up in human studies
No human study durations are recorded.
What has not been tested
- On-and-off schedules or breaks between courses.
- Repeated courses and long-term exposure beyond the periods listed.
- PNC-27 combined with other compounds, unless a study above says so.
Frequently asked questions
Is there an established PNC-27 cycle length?
No. We found no human studies that report a treatment duration for PNC-27.
What is the longest human study of PNC-27?
None is recorded.
Do study durations tell me how long to use something?
No. A study duration is how long investigators administered a compound to selected participants under monitoring. It is not a recommended course, and a break between courses has not been tested for any compound on this site that is not approved.
References
- PNC-27, a Chimeric p53-Penetratin Peptide Binds to HDM-2 in a p53 Peptide-like Structure, Induces Selective Membrane-Pore Formation and Leads to Cancer Cell Lysis Biomedicines. 2022
- Targeting Membrane HDM-2 by PNC-27 Induces Necrosis in Leukemia Cells But Not in Normal Hematopoietic Cells Anticancer Research. 2020
- Anti-Cancer Peptide PNC-27 Kills Cancer Cells by Unique Interactions with Plasma Membrane-Bound hdm-2 and with Mitochondrial Membranes Causing Mitochondrial Disruption Annals of Clinical and Laboratory Science. 2024
- Design and implementation of a high yield production system for recombinant expression of peptides Microbial Cell Factories. 2014
- ClinicalTrials.gov search for PNC-27 as intervention (0 studies returned) ClinicalTrials.gov. 2026
- Bulk Drug Substances Nominated for Use in Compounding Under Section 503A of the FD&C Act (updated May 14, 2026) FDA. 2026
- World Anti-Doping Code International Standard: Prohibited List 2026 WADA. 2026