Is PNC-27 Worth Using as a Cancer Preventative?

Tirzmonkey

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I'm thinking about putting PNC-27 into my stack as a way to prevent cancer, and I'd like to hear from anyone else who has looked into it.

As far as I know, no human trials exist yet (which honestly surprises me), but in vitro and in lab mice this 38-sequence peptide selectively destroys cancer cells while leaving healthy normal cells alone. The science is obviously technical and my grasp of it is only basic, yet it has reportedly worked against a broad range of cancers, colon-rectal and pancreatic among them plus many others.

Roughly 40% of us will get some type of cancer during our lives, and although treatments to fight and cure it have advanced more and more rapidly, this looks like it could be a game changer.

Several years back I was fortunate: a CT scan done for an unrelated problem incidentally turned up a tumor. It was cancerous. Things have gone well so far, and years later the chance of it coming back is under 3%, but it has left me very conscious of the risk all of us carry. The idea of shutting that risk down appeals to me.
 
At minimum, this is a blog account of an N=1 deadly correlation:

"A published case report describes a research subject who took PNC-27 without any controlled framework and experienced a fatal GI hemorrhage — causality has not been confirmed, yet it is a documented serious adverse event that is worth being aware of."

From the case report itself:

Experimental PNC-27 Therapy and Massive GI Hemorrhage: A Complication or Coincidence?

We present a case of massive GI hemorrhage following a patient receiving experimental PNC-27 treatment in Mexico. A 46-year old female with end-stage metastatic cervical cancer who had underwent multiple courses of chemotherapy and a pelvic exenteration surgery presented with hematemesis. She had exhausted her treatment options in the U.S. and sought experimental PNC-27 treatment in Mexico two weeks prior to admission. Two days following PNC-27 infusion, she developed large volume hematemesis along with bloody discharge from her urostomy and colostomy...

PNC-27 is a peptide that contains the HDM-2 binding domain of p53 and causes tumor cell death by membranolysis ["the biochemical or physical disruption of a biological membrane"]. There is currently no published data on its efficacy or side effect profile in humans. We present a case of massive GI hemorrhage following experimental PNC-27 treatments in Mexico. It is difficult to prove causation in this case, however the temporal relationship between PNC-27 treatment and the patient's presentation raises concern for potential adverse event. Reporting of possible events related to experimental treatments is crucial to inform the public of the potential associated harms.

Click to expand...
 
Calm Logic said:

At minimum, this is a blog account of an N=1 deadly correlation:

"A published case report describes a research subject who took PNC-27 without any controlled framework and experienced a fatal GI hemorrhage — causality has not been confirmed, yet it is a documented serious adverse event that is worth being aware of."

From the case report itself:

Experimental PNC-27 Therapy and Massive GI Hemorrhage: A Complication or Coincidence?
That report did catch my attention, and I'm not dismissing it. Still, the person involved was already severely ill with stage four cervical cancer. I'm not trying to ignore the risks, but linking the GI bleed directly to the peptide isn't necessarily warranted. Nothing in the animal research pointed to reactions of that kind. Even so, thanks for bringing it up — I do appreciate it.
 
Tirzmonkey said:

That report did catch my attention, and I'm not dismissing it. Still, the person involved was already severely ill with stage four cervical cancer. I'm not trying to ignore the risks, but linking the GI bleed directly to the peptide isn't necessarily warranted. Nothing in the animal research pointed to reactions of that kind. Even so, thanks for bringing it up — I do appreciate it.
Correct—yet that applies solely to the 2-day window after the PNC-27 infusion.
 
Tirzmonkey said:

I'm thinking about putting PNC-27 into my stack as a way to prevent cancer, and I'd like to hear from anyone else who has looked into it.

As far as I know, no human trials exist yet (which honestly surprises me), but in vitro and in lab mice this 38-sequence peptide selectively destroys cancer cells while leaving healthy normal cells alone. The science is obviously technical and my grasp of it is only basic, yet it has reportedly worked against a broad range of cancers, colon-rectal and pancreatic among them plus many others.

Roughly 40% of us will get some type of cancer during our lives, and although treatments to fight and cure it have advanced more and more rapidly, this looks like it could be a game changer.

Several years back I was fortunate: a CT scan done for an unrelated problem incidentally turned up a tumor. It was cancerous. Things have gone well so far, and years later the chance of it coming back is under 3%, but it has left me very conscious of the risk all of us carry. The idea of shutting that risk down appeals to me.
It's also somewhat alarming that plenty of members on this forum use GH peptides specifically to boost IGF-1.








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Calm Logic said:

It's also somewhat alarming that plenty of members on this forum use GH peptides specifically to boost IGF-1.








/
Yep, I checked out Tesem

Calm Logic said:

It's also somewhat alarming that plenty of members on this forum use GH peptides specifically to boost IGF-1.








/
I'm with you 100%. After researching Tesamorelin, I ruled it out for precisely that reason. That chart nails it, too. Tirzepatide took care of most of it. I do wish I'd paid more attention to it when I was younger, but I suppose that's just how youth works: you don't think about getting old.
 
Tirzmonkey said:

Yep, I checked out Tesem


I'm with you 100%. After researching Tesamorelin, I ruled it out for precisely that reason. That chart nails it, too. Tirzepatide took care of most of it. I do wish I'd paid more attention to it when I was younger, but I suppose that's just how youth works: you don't think about getting old.
Honestly, we could market PNC-27 to the gym crowd running HGH, haha.
 
Tirzmonkey said:

I'm thinking about putting PNC-27 into my stack as a way to prevent cancer, and I'd like to hear from anyone else who has looked into it.

As far as I know, no human trials exist yet (which honestly surprises me), but in vitro and in lab mice this 38-sequence peptide selectively destroys cancer cells while leaving healthy normal cells alone. The science is obviously technical and my grasp of it is only basic, yet it has reportedly worked against a broad range of cancers, colon-rectal and pancreatic among them plus many others.

Roughly 40% of us will get some type of cancer during our lives, and although treatments to fight and cure it have advanced more and more rapidly, this looks like it could be a game changer.

Several years back I was fortunate: a CT scan done for an unrelated problem incidentally turned up a tumor. It was cancerous. Things have gone well so far, and years later the chance of it coming back is under 3%, but it has left me very conscious of the risk all of us carry. The idea of shutting that risk down appeals to me.

Gemini: Using an unapproved research peptide that works by disrupting membranes as a "preventative" has no established mechanism for stopping cancer from forming. At the same time, it subjects healthy tissue to localized membrane damage, immune sensitization, and the risks of grey-market contamination.

Along the same lines:

John_C said:

PNC-27 and PNC-28 are research peptides that combine p53 and HDM-2 sequences. Most of what has been published comes from cell culture and animal studies, where these compounds were observed to create pores in the membranes of cancer cells; no human clinical trials exist and no approved indication has been granted. Whether they have any effect in people therefore remains unresolved beyond laboratory settings. This is general information only and does not constitute medical advice.

A related thread about PNC-27 for existing cancer:

/community-link/thread/22687/
 
Theoretically, PNC-27 might have been overly effective, or the dose may have been excessive, and that could explain the GI hemorrhage — too much cancer being killed off.

For most peptides, what bothers me more than anything is the absence of a known correct dose, assuming one even exists.

Tirzmonkey said:

That's exactly the reason I made the post. So who is Gemini?
That's Google's AI.
 
Calm Logic said:

Theoretically, PNC-27 might have been overly effective, or the dose may have been excessive, and that could explain the GI hemorrhage — too much cancer being killed off.

For most peptides, what bothers me more than anything is the absence of a known correct dose, assuming one even exists.


That's Google's AI.
I take it daily and had no idea that was the name 😂.

As for dosing, I've come across a protocol of 300mcg three times per week. The woman who suffered the hemorrhage had a 2cm ulcer in her large intestine. Whether that's pure coincidence or not is impossible to say. That's exactly the difficulty. According to the research, it goes after cancer cells while leaving healthy cells alone — in mice, at least. If I did try it, I'd keep the dose low, though at this point I'm not sure I'll be placing an order.
 
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