Fenbendazole and Ivermectin for Prostate Cancer Success Stories: 29 Case Reports Compilation (July 2025 Edition)
Can Fenbendazole and Ivermectin play a key role in treating Stage 4 Metastatic Prostate Cancer?
Several peer-reviewed papers and case studies (below) strongly suggest
that it might.
- Fenbendazole as an Anticancer Agent? A Case Series of Self-Administration in Three Patients - (Case Reports in Oncology 2025)
- Ivermectin, Fenbendazole and Mebendazole in Cancer: 2024 Peer-Reviewed Protocol in Cancer (Journal of OrthoMolecular Medicine 2024)
- Ivermectin and Cancer: 15 Anti-cancer Mechanisms of Action
- Fenbendazole and Cancer: 12 Anti-Cancer Mechanisms of Action
Introduction
The potential applications of Ivermectin and Fenbendazole in cancer treatment have sparked significant interest online, with growing communities exploring these compounds for therapeutic use. While both have roots in anti-parasitic medicine, emerging research and anecdotal evidence suggest they may offer benefits in combating prostate cancers.The main goal with this article is to provide as much clear information as possible for someone dealing with prostate cancer. This article deals with the basis and practical approach to using Fenbendazole and Ivermectin for prostate cancer.
In this article, we examine case studies of fenbendazole and its possible role
in managing prostate cancer. Could this repurposed drug offer new hope for
patients seeking additional treatment options? Let’s take a closer look.
Fenbendazole and Ivermectin Prostate Cancer Case Series Compilation
We have compiled a list of fenbendazole and/or ivermectin and prostate
cancer case reports below.
This compilation features several case reports from multiple sources involving the use of
ivermectin and/or fenbendazole for prostate cancer.
Case 29 - 2025: 63 year old New York man with Stage 4 Prostate Cancer
Dr William Makis shared on X.com in August 2025:
IVERMECTIN and FENBENDAZOLE Testimonial - 63 year old New York man with Stage 4 Prostate Cancer reports after 4 months
The testimonials will continue...
63 year old New York man with Stage 4 Prostate Cancer
In early February 2025 we started:
Ivermectin 1.5mg/kg/day
Fenbendazole 1500mg/day
Oncologist put patient on Orgovyx and Nubeqa
RESULTS after 4 months:
PSA 64.9 to less than 0.1
From the patient:
"Our May appointment with XXX went well, Oncologist very pleased with latest blood work results. So much so, potential chemo conversations have been postponed to potentially end of Summer"
Case 28: 74-yr-old man with Metastatic Prostate Cancer, Liver and Lymph Node Metastases
This is the account of a 74-year-old man, 6-ft, 169 pounds, who faced a dire prognosis of terminal, metastatic prostate cancer but charted an unconventional path to remarkable recovery, primarily through the determined use of fenbendazole. His journey told by his daughter TW, underscores a powerful testament to individual agency in the face of seemingly insurmountable odds.
The Onset of Crisis: A Timeline of Decline
TW’s dad’s battle with prostate cancer began in 2019, a diagnosis initially met with surgical removal of the prostate and an “all clear.” However, the reprieve was short-lived. The timeline of his relapse and subsequent crisis unfolded rapidly in 2024:
- Early August 2024: Routine blood work delivered alarming news – a PSA of 14.
- Mid-August 2024: The situation escalated dramatically. His PSA soared to 51, and asubsequent PET scan revealed the devastating spread: metastases to his liver and lymph nodes.
- Late August 2024: Biopsies of both the liver and lymph nodes unequivocally confirmed the recurrence of prostate cancer.
A Divergent Path: Embracing Fenbendazole
Faced with this bleak outlook, TW’s dad’s made a pivotal decision. In September 2024, he received the initial Lupron shot as prescribed. However, during this consultation, he inquired about the fenbendazole protocol. His MDA oncologist unequivocally stated that if he chose to pursue fenbendazole, he could no longer be seen as a patient. Despite outwardly agreeing to forgo it, TW’s dad’s, resolute in his conviction, returned home and immediately initiated the fenbendazole protocol, choosing not to inform his oncologist.
His self-directed fenbendazole regimen commenced in late August 2024. He began with 222mg of fenbendazole (from Panacur C powder, meticulously weighed) once daily for seven days, quickly increasing to 222mg twice daily (total 444mg fenbendazole per day), taken after breakfast and dinner with peanut butter to aid absorption.
While fenbendazole was the central therapeutic agent, he adopted a comprehensive adjunctive strategy: a ketogenic diet (resulting in a 30-pound weight loss in three months), daily ivermectin (an eraser-sized amount of horse paste), Vitamin D, Serrapeptase, Soursop tea, TUDCA, Lion’s Mane, Onco Pathways 1-4 from UltraBotanica, high-dose intravenous Vitamin C (50-75 grams, three times a week), and monthly three-day fasts (water and bone broth only). Lupron remained the only conventional medical treatment he had ever received.
Immediate Impact and Astounding Turnaround
The effects of fenbendazole were felt almost immediately. Any existing pain and discomfort abated rapidly upon starting the fenbendazole, a profound and immediate improvement in his quality of life. Despite the grave diagnosis, TW’s dad’s reported feeling remarkably well throughout this period, never experiencing debilitating symptoms often associated with advanced cancer.
The true measure of fenbendazole’s efficacy became undeniably clear within three months.
- Early November 2024: A follow-up appointment at MDA, initially intended to plan for chemotherapy, delivered astonishing news. A PET scan revealed a 50% reduction in all tumors. His oncologist was, by report, “shocked.”
- Bloodwork corroborated this stunning reversal: his PSA, which had peaked at 51 in mid-August, had plummeted to just 2 by early November 2024.
- The chemotherapy scheduled for that very day was promptly cancelled in light of these profoundly positive results.
Sustained Progress and Vigilant Management
TW’s dad’s continues his fenbendazole regimen (222mg twice daily, seven days a week) and the supportive protocols. He proactively monitors his liver enzymes (AST/ALT) through independent lab work, as these showed elevation on two occasions initially after starting fenbendazole. There were no adverse side effects attributed to fenbendazole. TW’s dad’s has not, and will not, disclose his fenbendazole use to his MDA oncologist.
His daughter, T.W., reported a further update from a follow-up visit at MDA on January 7, 2025:
His cancer showed an additional 50% decrease from the November scan. This marked a total 75% reduction in all tumors within just five months (August 2024 to January 2025) of commencing the fenbendazole-centric protocol. As of May 2025 there is no evidence of disease as confirmed by PET/CT scans.
TW’s dad’s speculates his cancer may have been linked to a diet high in sugar, processed foods, and carbohydrates, and potentially to COVID-19 vaccinations (two shots and one booster).
When sharing her Dad’s experience, TW said that reactions range from surprise and intrigue, with many requesting his protocol for loved ones, to indignation that such a potentially effective and accessible option is not offered by mainstream oncology.
“My Dad is doing amazing! He is still following the Joe Tippin's protocol and also uses Ivermectin and does high dose 100g Vit C IV's 3 days a week. His liver enzymes have been wonderful with no issues at all. He's stronger and more active now than he's ever been. He still eats all organic, no antibiotic or hormone foods and follows Keto; he even goes to the gym 4 days a week without question. He has zero size effects from any of the cancer or therapies we're doing. His next appt with MD Anderson is June 2025, we use them so we get the PET/CT scans and can track his progress. Here is a spreadsheet I put together showing his progress to date. To this day he has still had no radiation or chemo and doesn't plan to.”
TW’s dad’s continues his fenbendazole regimen (222mg twice daily, seven days a week) and the supportive protocols. He proactively monitors his liver enzymes (AST/ALT) through independent lab work, as these showed elevation on two occasions initially after starting fenbendazole. There were no adverse side effects attributed to fenbendazole. TW’s dad’s has not, and will not, disclose his fenbendazole use to his MDA oncologist.
His daughter, T.W., reported a further update from a follow-up visit at MDA on January 7, 2025:
His cancer showed an additional 50% decrease from the November scan. This marked a total 75% reduction in all tumors within just five months (August 2024 to January 2025) of commencing the fenbendazole-centric protocol. As of May 2025 there is no evidence of disease as confirmed by PET/CT scans.
TW’s dad’s speculates his cancer may have been linked to a diet high in sugar, processed foods, and carbohydrates, and potentially to COVID-19 vaccinations (two shots and one booster).
When sharing her Dad’s experience, TW said that reactions range from surprise and intrigue, with many requesting his protocol for loved ones, to indignation that such a potentially effective and accessible option is not offered by mainstream oncology.
“My Dad is doing amazing! He is still following the Joe Tippin's protocol and also uses Ivermectin and does high dose 100g Vit C IV's 3 days a week. His liver enzymes have been wonderful with no issues at all. He's stronger and more active now than he's ever been. He still eats all organic, no antibiotic or hormone foods and follows Keto; he even goes to the gym 4 days a week without question. He has zero size effects from any of the cancer or therapies we're doing. His next appt with MD Anderson is June 2025, we use them so we get the PET/CT scans and can track his progress. Here is a spreadsheet I put together showing his progress to date. To this day he has still had no radiation or chemo and doesn't plan to.”
Q: We are getting ready to publish your Dad’s story, did he happen to be taking aspirin in any form while self-treating with fenbendazole?
A: No aspirin.
““He had a follow up on 6/28 and another 30% reduction from last appointment. His cancer has digressed by 80% now overall. His tumors in the lymph nodes and lungs are now completely gone. MD Anderson is still tapping their foreheads asking “are you doing anything besides the lupron shot we gave you?” Of course we say no because Dad wants to still get the quarterly PET scans to track his progress.””
Summary
This Case Report documents the extraordinary turnaround of a 74-year-old man diagnosed in August 2024 with Stage 4 metastatic prostate cancer, with extensive liver and lymph node involvement, and given a palliative prognosis of 12-18 months. Forsaking further conventional treatment beyond an initial Lupron injection, he independently initiated a daily regimen of fenbendazole (444mg total). He experienced an immediate abatement of all pain and discomfort. Within three months, his PSA plummeted from 51 to 2, and imaging confirmed a 50% reduction in all tumors, leading to the cancellation of planned chemotherapy. After five months on fenbendazole, his total tumor burden had decreased by an astounding 75%, now NED in liver at 11 months. This remarkable outcome, primarily attributed by TW’s dad to fenbendazole, underscores the profound anti-cancer effects he experienced with fenbendazole.
A: No aspirin.
““He had a follow up on 6/28 and another 30% reduction from last appointment. His cancer has digressed by 80% now overall. His tumors in the lymph nodes and lungs are now completely gone. MD Anderson is still tapping their foreheads asking “are you doing anything besides the lupron shot we gave you?” Of course we say no because Dad wants to still get the quarterly PET scans to track his progress.””
Summary
This Case Report documents the extraordinary turnaround of a 74-year-old man diagnosed in August 2024 with Stage 4 metastatic prostate cancer, with extensive liver and lymph node involvement, and given a palliative prognosis of 12-18 months. Forsaking further conventional treatment beyond an initial Lupron injection, he independently initiated a daily regimen of fenbendazole (444mg total). He experienced an immediate abatement of all pain and discomfort. Within three months, his PSA plummeted from 51 to 2, and imaging confirmed a 50% reduction in all tumors, leading to the cancellation of planned chemotherapy. After five months on fenbendazole, his total tumor burden had decreased by an astounding 75%, now NED in liver at 11 months. This remarkable outcome, primarily attributed by TW’s dad to fenbendazole, underscores the profound anti-cancer effects he experienced with fenbendazole.
Case 27: 75-year-old man with recurrent stage IV prostate cancer and extensive bone metastases
Published peer-reviewed paper on Case Reports in Oncology (May 2025):
In December 2021, the patient initiated androgen deprivation therapy with Orgovyx and Erleada, complemented by Xgeva to support bone health. He also added repurposed medications and supplements: vitamin D (5,000–10,000 IU/day) with K2 and magnesium, melatonin (10–40 mg/day), berberine, curcumin, artemisinin, cimetidine, and other compounds with potential anticancer effects. He started taking FBZ in December 2021 (dose range: 222–444 mg/day), usually daily, with occasional dose reductions.
In December 2022, after 1 year of follow-up, regression of bone lesions was observed, and lymph node involvement had fully resolved. In January 2024, after 2 years of follow-up, imaging confirmed significant regression of bone lesions with no new metastatic sites. The use of FBZ coincided with continued regression of metastatic lesions and sustained undetectable PSA levels. No increase in liver enzymes or any other side effects attributable to FBZ were reported.
In April 2024, a PSMA-PET/CT whole body scan revealed that the vast majority of the sclerotic bone lesions demonstrated no abnormal radiopharmaceutical accumulation. A large left renal cortical cyst deforming the kidney had a SUV of 0.5, and no abnormal radiopharmaceutical accumulation was observed within lymph nodes. PSA levels remained undetectable for over 2 years (<0.05 ng/mL).
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Case 26 - 2025: 61 year old NC man with Gleason 8 Prostate Cancer
Dr William Makis shared on X.com in July 2025:
IVERMECTIN and FENBENDAZOLE Testimonial - 61 year old NC man with Gleason 8 Prostate Cancer has no spread on surgery and drops to Gleason 7, as PSA also drops!
Repurposed drugs will often limit the spread of cancer and leave shocking results on pathology.
I have many testimonials now of "unexpected" results on pathology after a few months of Ivermectin, Fenbendazole or Mebendazole and I will be posting these in the coming weeks.
61 year old NC man with Gleason 8 Prostate Cancer
On Feb.12, 2025 we started:
- Ivermectin 1.5mg/kg/day
- Fenbendazole 1000mg/day (eventually increased to 2000mg/day after 2 months, after PSA stayed stable)
- CBD Oil 100mg/day
- PSA 6.3 to 4.5
- No spread of Cancer
- Gleason 8 to Gleason 7
Case 25 - 2025: 65 year old Florida man with new Prostate Cancer sees improvement after 4 months
Dr William Makis shared on X/Twitter in July 2025:
IVERMECTIN and FENBENDAZOLE Testimonial - 65 year old Florida man with new Prostate Cancer sees improvement after 4 months
We have so many Prostate Cancer successes!
65 year old Florida man with new Prostate Cancer PIRADS-4.
In late January 2025 we started:
- Ivermectin 1.5mg/kg/day
- Fenbendazole 888mg/day
- CBD Oil 100mg/day
- PIRADS-4 to PIRADS-3 and smaller lesion.
Case 24 - 2025: Alberta man with Prostate cancer, avoids radical prostatectomy and full pelvic radiation
Dr William Makis shared on X/Twitter in June 2025:
Ivermectin and Fenbendazole Testimonial - Alberta man avoids radical prostatectomy and full pelvic radiation, PSA 9.0 to 1.7 and doing great!
An Alberta man was diagnosed with Prostate Cancer.
He was offered the best options Modern Oncology has to offer: radical prostatectomy and full pelvic radiation. These treatments are 50+ years old...
His Alberta doctors also told him there was a 50% chance he would be "normal" after one of these procedures.
"I am in the risk business and this seemed unacceptable to me".
So he started Ivermectin and Fenbendazole, went to Seattle for Proton Therapy, and then continued Ivermectin and Fenbendazole with MCT Oil for 3 months.
He did the opposite of what Modern Oncology recommended. How did he do?
"My PSA registered 1.7 (from a high of 9)...My prostate is still intact. All my bodily health functions are normal".
Case 23 - 2025: 77 year old North Carolina man with Stage 4 Prostate Cancer metastatic to lungs and bones
Dr William Makis shared on X/Twitter in June 2025:
IVERMECTIN and FENBEDAZOLE and CBD Oil Testimonial - 77 year old North Carolina man with Stage 4 Prostate Cancer metastatic to lungs, bones, has almost complete resolution of cancer after 5 months!!
Want to see an incredible Prostate Cancer testimonial?
According to vocal pharma shills, these don't exist
77 year old North Carolina man with Stage 4 Prostate Cancer metastatic to bones
End of Nov.2024 we started:
- Ivermectin 1.5mg/kg/day
- Fenbendazole 888mg/day
- CBD Oil 50mg/day
Case 22 - 2025: 87 year old WA man with Stage 4 Prostate Cancer metastatic to bones & spine
Dr William Makis shared on X/Twitter in June 2025:
IVERMECTIN and FENBENDAZOLE Testimonial - 78 year old Australian man with Stage 4 Prostate Cancer sees PSA 385 drop to 1.2 and tumors shrinking!
I have many Stage 4 Prostate Cancer success stories, although this is where I recently faced sabotage
After all, Prostate Cancer means big money for Big Pharma, and they will send anyone, along with an entire army of bots to protect their profits
STORY:
78 year old Australian man with Stage 4 Prostate Cancer started chemotherapy (Docetaxel) and Hormone Therapy (Goserelin)
But he also came to me for help and started:
- Ivermectin 1mg/kg/day
- Fenbendazole 1000mg/day
Dr William Makis shared on X/Twitter in June 2025 :
IVERMECTIN and FENBENDAZOLE TESTIMONIAL - 87 year old WA man with Stage 4 Prostate Cancer metastatic to bones & spine, has dramatic response, PSA 2093 to 39, shocks Oncologist
STORY:
87 year old WA man with Stage 4 Prostate Cancer metastatic to bones, with bone pain and severely reduced mobility.
We started in late March 2025:
- Ivermectin 1mg/kg/day
- Fenbendazole 1000mg/day
Case 20 - 2025: Stage 4 Prostate Cancer
IVERMECTIN AND CANCER
— McCullough Foundation (@McCulloughFund) May 19, 2025
Dr. Peter McCullough shares a stunning anecdote: a patient with metastatic prostate cancer saw his PSA drop from 200 to 2 after trying ivermectin.
With 20 million Americans living with cancer, we urgently need RCTs to investigate.@P_McCulloughMD… pic.twitter.com/cJKLz5aNRa
"Well thanks to a miracle drug. That is very inexpensive. My 93 year old father is alive today. In just 2 months he was cured of a prostate cancer that has metastasized to the hip bone. IVERMECTIN is that miracle drug. It cost less that $80 dollars for the cure. No chemo no radio."
Case 18: Stage 4 prostate cancer
Dr. Kathleen Ruddy reported on a case of stage 4 prostate cancer:
He worked for the government, and he was going to lose his job and his pension if he wasn’t vaccinated. Two months after his second Pfizer shot, he was diagnosed all at once with stage 4 prostate cancer. He tells a very compelling, melodramatic story about that 24-hour period of time in his life.
He went through the traditional protocols; radiation, chemotherapy, pharmacologic, castration, all of it, over a period of nine months. His name is Paul Mann. His doctor said, “There’s really nothing else we can do. He said, “Can’t you give me more radiation? Can’t you give me more chemo? Aren’t there any other drugs? Are there any clinical trials? The answer was, “No, there’s nothing. There is only hospice. Send for the priest.”
A friend of his knew me and said, “Would you give Paul a call? He just needs some moral support.” I began calling him and we spoke about once a week for three weeks. The poor guy was suffering and had cancer in 11 bones in his body. His right leg was completely swollen and obstructed with a tumor. He was miserable.
I said, “Paul, I don’t know if this is going to help you, but I know it’s not going to hurt you. I just can’t imagine based on my judgment and understanding of the scientific literature and all of the work that Doctors Kory and Marik have done that ivermectin would hurt you. It might help, but I can’t say.”
He said, “I'll give it a try.” He drove to Tennessee where you could get it without a prescription. He drove from where he lives in New York to Tennessee and paid cash for his ivermectin. He didn’t submit it to an insurance company. He didn’t tell his oncologist back in Missouri.
His ivermectin prescriptions were listed in his medical chart. How did that information get from the pharmacy in Tennessee to his chart in Missouri? They don’t know. But actually, somebody does know, and I'd like to know myself.
Anyway, he starts taking ivermectin. He doesn’t have any problems with it. I talk to him every week, “How are you feeling? How’s your leg? How’s the pain? He says, “No change. But I don’t know. It’s not quite as swollen. There’s pain everywhere. Maybe it’s getting a little bit better. It’s not necessarily getting worse.”
Fast forward to a two-month follow-up appointment at the clinic. They didn’t expect to see him. He’s feeling a little bit better. They do a PSA [Prostrate-Specific Antigen Test], which in the beginning was off the charts, maybe 700 or 800. At the time, they recommended him to hospice.
Mr. Jekielek: What exactly do those numbers mean, for the layperson?
Dr. Ruddy: Over four would be abnormal. What are we talking about here? Prostate cells normally secrete a protein, a prostate-specific antigen. It’s one of the things that they do. Cancer cells that originate in the prostate that are dividing rapidly and growing fast are spitting out PSA. It’s not that they’re contributing to the body economy in any way. It’s just they just want to multiply and divide. That’s the end of the story.
Your PSA levels start to rise, which is a screening marker. They will say, “Your PSA was four, and now it’s eight. Let’s do a prostate ultrasound.” The PSA can be a screen for the emergence of a tumor, but it can also be used, particularly at high levels, as evidence for cancer, response to cancer, or recurrence of cancer. His was supposed to be four, but it’s in the hundreds.
He goes back for a two-month appointment and it’s 1.3. They said, “You’re in biochemical remission.” He was not in complete remission, because he still had the bone metastasis, but this was good news. Slowly, he begins to improve. There is less pain and the swelling is down. He has a lot of other vaccine injuries, but he’s getting better.
He worked for the government, and he was going to lose his job and his pension if he wasn’t vaccinated. Two months after his second Pfizer shot, he was diagnosed all at once with stage 4 prostate cancer. He tells a very compelling, melodramatic story about that 24-hour period of time in his life.
He went through the traditional protocols; radiation, chemotherapy, pharmacologic, castration, all of it, over a period of nine months. His name is Paul Mann. His doctor said, “There’s really nothing else we can do. He said, “Can’t you give me more radiation? Can’t you give me more chemo? Aren’t there any other drugs? Are there any clinical trials? The answer was, “No, there’s nothing. There is only hospice. Send for the priest.”
A friend of his knew me and said, “Would you give Paul a call? He just needs some moral support.” I began calling him and we spoke about once a week for three weeks. The poor guy was suffering and had cancer in 11 bones in his body. His right leg was completely swollen and obstructed with a tumor. He was miserable.
I said, “Paul, I don’t know if this is going to help you, but I know it’s not going to hurt you. I just can’t imagine based on my judgment and understanding of the scientific literature and all of the work that Doctors Kory and Marik have done that ivermectin would hurt you. It might help, but I can’t say.”
He said, “I'll give it a try.” He drove to Tennessee where you could get it without a prescription. He drove from where he lives in New York to Tennessee and paid cash for his ivermectin. He didn’t submit it to an insurance company. He didn’t tell his oncologist back in Missouri.
His ivermectin prescriptions were listed in his medical chart. How did that information get from the pharmacy in Tennessee to his chart in Missouri? They don’t know. But actually, somebody does know, and I'd like to know myself.
Anyway, he starts taking ivermectin. He doesn’t have any problems with it. I talk to him every week, “How are you feeling? How’s your leg? How’s the pain? He says, “No change. But I don’t know. It’s not quite as swollen. There’s pain everywhere. Maybe it’s getting a little bit better. It’s not necessarily getting worse.”
Fast forward to a two-month follow-up appointment at the clinic. They didn’t expect to see him. He’s feeling a little bit better. They do a PSA [Prostrate-Specific Antigen Test], which in the beginning was off the charts, maybe 700 or 800. At the time, they recommended him to hospice.
Mr. Jekielek: What exactly do those numbers mean, for the layperson?
Dr. Ruddy: Over four would be abnormal. What are we talking about here? Prostate cells normally secrete a protein, a prostate-specific antigen. It’s one of the things that they do. Cancer cells that originate in the prostate that are dividing rapidly and growing fast are spitting out PSA. It’s not that they’re contributing to the body economy in any way. It’s just they just want to multiply and divide. That’s the end of the story.
Your PSA levels start to rise, which is a screening marker. They will say, “Your PSA was four, and now it’s eight. Let’s do a prostate ultrasound.” The PSA can be a screen for the emergence of a tumor, but it can also be used, particularly at high levels, as evidence for cancer, response to cancer, or recurrence of cancer. His was supposed to be four, but it’s in the hundreds.
He goes back for a two-month appointment and it’s 1.3. They said, “You’re in biochemical remission.” He was not in complete remission, because he still had the bone metastasis, but this was good news. Slowly, he begins to improve. There is less pain and the swelling is down. He has a lot of other vaccine injuries, but he’s getting better.
Case 12 - 17: February 2025
Case 01: 78 year old man with Prostate Cancer Gleason 9 post prostatectomy, halted recurrence with "your low dose protocol" "So there you have it. My PSA has stopped rising, still 1.2 and my annual scan and MRI in December were still clear after 3 months on the low dose protocol".
Case 02: "Stage 4 Prostate fighter/survivor. On Iver and Fenben for 19 months. Cancer undetectable for past 12 months".
Case 03: Brig Gen (Ret) USAF: "my prostate cancer was eradicated using IVM, Fenben and Doxy".
Case 04: "I have more positive results to report!" "My husband got his PSA results back today. When he was diagnosed with prostate cancer his PSA was 5.8 now it is down to 4.1 after 32 days on Ivermectin and Fenbendazole".
Case 05: "I was told by one local oncologist that I had 2 months to 2 years max" "This past summer moved to high dose Ivermectin and I feel a huge improvement. I take 48-60mg daily and that had the affect of depressing my PSA significantly. But again, the real measure is I feel so much better".
Case 06: "Praise the Lord for Dr.Makis and his wisdom, kind compassionate heart and generosity!! Wonderful start to a Happy New Year!".
"My husband has recently been diagnosed with Prostate Cancer. We started: Daily IVM 96mg 3x/week fenben 888mg LDN Orgovyx PSA 538 (12/6/24) down to 290 (12/30/24).
"God Bless you and your beautiful family Dr.Makis!".
Case 11: Stage 4 Prostate Cancer
I was diagnosed with stage four prostate cancer at the end of January 2024, with a PSA of 143 and a 9 on the Gleason score. It had metastasized to several parts of my bones. I immediately started the Joe Tippens protocol.
Two months later, my PSA dropped to 26. For the last four months, my PSA has been zero. My doctor says I don’t need an MRI or PET scan because I have no evidence of cancer. I do have to undergo some radiation for the cancer on the bones.
So, on the dog medicine, I am cancer-free. This is the truth—no side effects and feeling good. If you’re interested in beating any kind of cancer at any stage, the Joe Tippens story was my cure.
Case 10: 79 year old Canadian man with Stage 4 Prostate Cancer to Lymph nodes (December 2024)
IVERMECTIN and FENBENDAZOLE Testimonial - 79 year old Canadian man with Stage 4 Prostate Cancer to Lymph nodes - everything is shrinking 4 months later! 79 year old British Columbia, Canada man diagnosed with Prostate Cancer, Gleason 8, “pushing against bladder wall, in lymph nodes, diagnosed late 2022 with a PSA peaking at 19.72. Completed 28 treatments of radiation. Was currently on hormone blockers (and Abiraterone) but tumor hasn’t shrunk. Came to me for help and we got to work right away:
- Ivermectin 1mg/kg/day
- Fenbendazole 444mg/day
- Melatonin 120mg/day
- IP6
- Artemisia
RESULTS:
“approaching 4 months on Ivermectin plus the other products”
“the oncologist report is that there is shrinkage in all areas (prostate, bladder wall and lymph nodes. He is not in remission as yet”.
The answer to the question is: continue Protocol until remission.
Case 9: 60s year old Early Stage Prostate Cancer (December 2024)
Case shared by Dr William Makis (X/Twitter):
IVERMECTIN and FENBENDAZOLE Testimonial - 60s year old Early Stage
Prostate Cancer patient, Gleason 7, PSA drop 4.6 to 2.46 in 35
days!
60s year old Prostate Cancer patient, new diagnosis, Gleason 7 (3+4
and 4+3) with bilateral disease.
Major US Cancer Center gave this assessment:
“Overall, I think you will eventually come to need treatment of
your prostate and because you appear to have bilateral disease,
whole gland treatment is likely the best cancer strategy. Whether
undergoing treatment now, or observing for a bit longer is the best
route depends on your goals. We can consider radical prostatectomy…I’m less enthusiastic about
radiation treatment as you are very young and likely to experience the
secondary effects of radiation on your normal tissue as you age.”
Pretty standard stuff from a famous large US Cancer Centre that is
stuck in the “Big Pharma guidelines” era with zero creative
thought.
Patient did about a month of Fenbendazole 222mg Joe Tippens Protocol,
then I got involved.
We started a high dose Ivermectin/Fenbendazole Protocol:
- 1 mg/kg/day Ivermectin working up to 2 mg/kg/day
- 888 mg/day Fenbendazole.
Results one month
later:
PSA went: 4.4 to 3.6 to 2.46 (lowest PSA level in 2 years!) 44% drop
in PSA in about one month!
Transient visual symptoms affect some patients at Ivermectin doses
above 60mg. They tend to go away with time.
Why the high dose Ivermectin/Fenbendazole regimen?
- young patient
- “A Gleason Score of 4+3 represents a moderately aggressive form of
prostate cancer.”
- “bilateral disease at the prostate apex plus an additional region
with cancer at the base.”
I find that Ivermectin and Fenbendazole are well tolerated and it’s
very rare to see any issues on bloodwork.
Case 8: Stage 4 Prostate Cancer patient - PSA drops 1533 to 968 in 12 days (November 2024)
Case shared by Dr William Makis (X/Twitter):
IVERMECTIN and FENBENDAZOLE Testimonial - Stage 4 Prostate Cancer patient - PSA drops 1533 to 968 in 12 days - is fatigue and bone pain normal?
Stage 4 Prostate Cancer patient:
Started Ivermectin 1mg/kg and Fenbendazole 1000mg 3 days on 4 days
off.
In 12 days PSA drops 1533 to 968 (37% drop). Abdominal cancer lymph nodes
disappeared.
To be honest, that’s a lot
of cancer cell killing over a very short period of time!!
That will cause a great deal of FATIGUE. That’s to be expected.
Bone pain? Also. As cancer cells in bone get killed, the inflammation can
also cause bone pain. That will heal over time
This gentleman is on his way to becoming cancer free.
Case 7: November 2024
Case sharing by Dr William Makis (X/Twitter):
This was an Intermediate Dose Protocol, with a starting dose of Ivermectin
of 1mg/kg/day and a Fenbendazole dose of 222mg to 444mg a day.
Case 6: Stage 4 Prostate Cancer (October 2024)
According to Dr William Makis (X/Twitter):
"We reached our goal of bringing my PSA Score down to 0.02 quite quickly.
Doctors were surprised at how quickly this happened."
Case 5: December 2022 (Updated August 2023)
I wish to share more good news. Since our texts, December 2022/January 2023, my husband has had two more PSA tests. Here is the recap of his tests . Lenny’s PSA continues to drop, as he continues to take the Panacur C daily.
Lanny – PSA Test Results
8.0 = Lanny’s PSA upon being diagnosed with prostate cancer, August 2021 Before Lanny ‘started’ radiation therapy, he had THREE WHOLE MONTHS of Panacur C daily. Lanny’s doctor said any PSA under 1.0 is considered CANCER-FREE.
0.8 = Lanny’s PSA after 3 months of Panacur C — BEFORE radiation therapy, October 2021 Lanny told his doctor about taking Panacur C, when the doctor told Lanny that his PSA was 0.8 (according to that very doctor, this PSA denotes cancer-free; however, this same doctor gaffed off the Panacur C and cancer-free PSA with NO explanation).
0.09 = Lanny’s 30-DAY POST RADIATION PSA TEST, WHI CH DENOTES WAAAY CANCER-FREE, February 2022 Still no comment from any doctor . . . and I’m not anticipating one.
PSA Updates: 0.08 = February 2023
0.06 = June 2023
December 2022
Lanny was diagnosed with prostate cancer August 2021.
8.0 = Lanny’s PSA upon being diagnosed with prostate cancer.
Lanny’s doctor said any PSA under 1.0 is considered CANCER-FREE.
Before Lanny started radiation therapy, he had THREE MONTHS of Panacur C daily.
0.8 = Lanny’s PSA after 3 months of Panacur C — BEFORE radiation therapy.
Lanny told his doctor about taking Panacur C, when the doctor told Lanny that his PSA was 0.8 (which, according to that very doctor, this PSA denotes cancer-free; however, his doctor gaffed off the Panacur C and cancer-free PSA with NO explanation).
0.09 = Lanny’s 30-DAY POST RADIATION PSA TEST, WHICH DENOTES WAAAY CANCER-FREE.
Still no comment from any doctor and I’m not expecting any.
BTW, Lanny made a personal decision to continue using Panacur C as cancers are notorious for returning.
Case 4
Case 3: September , 2022
My husband was diagnosed 8 months ago.. Feb 1st of this year,, with a aggressive form of prostate cancer that had already metastasized into his lymph nodes and bones. He had fractures throughout his spine, ribs and pelvis. Adams bone scan showed cancer in his bones from his skull,, facial bones, clavicle, sternum right rib cage and most of his spine and pelvis.. His oncologist (we’ve since changed) waited 7 weeks to start any hormone therapy or chemotherapy and told us radiation wasn’t even an option. Only 6 rounds of doxi. He sat at our first office visit Feb 2nd and told my family that the #1 man in our lives would be gone within 18 months. His psa was 140, Gleason score of 9. He was diagnosed full blown stage 4-5 cancer. This was completely unacceptable. Absolutely devastating to our world. My husband is 55 yrs old.. We have 8 children and 8 grandchildren. Our last 2 kids had just moved out a year before.. this was our time.. We had always talked about IF cancer ever came about for either of us we would research alternative treatments. We fear medical poison as much as the cancer itself..
Thank God my husband’s cousin connected us with a angel that gave us all the information we needed on a product meant for animals, fenbendazole and even sent us 2 bottles of fenbendazole. Has since supplied us with bottles when needed.
So week 2 post diagnosis Adam started his 222mg of fenben.
My husband was diagnosed 8 months ago.. Feb 1st of this year,, with a aggressive form of prostate cancer that had already metastasized into his lymph nodes and bones. He had fractures throughout his spine, ribs and pelvis. Adams bone scan showed cancer in his bones from his skull,, facial bones, clavicle, sternum right rib cage and most of his spine and pelvis.. His oncologist (we’ve since changed) waited 7 weeks to start any hormone therapy or chemotherapy and told us radiation wasn’t even an option. Only 6 rounds of doxi. He sat at our first office visit Feb 2nd and told my family that the #1 man in our lives would be gone within 18 months. His psa was 140, Gleason score of 9. He was diagnosed full blown stage 4-5 cancer. This was completely unacceptable. Absolutely devastating to our world. My husband is 55 yrs old.. We have 8 children and 8 grandchildren. Our last 2 kids had just moved out a year before.. this was our time.. We had always talked about IF cancer ever came about for either of us we would research alternative treatments. We fear medical poison as much as the cancer itself..
Thank God my husband’s cousin connected us with a angel that gave us all the information we needed on a product meant for animals, fenbendazole and even sent us 2 bottles of fenbendazole. Has since supplied us with bottles when needed.
So week 2 post diagnosis Adam started his 222mg of fenben.
Case 2: Prostate Cancer refused surgery (March, 2022)
I received the awful news two years ago from my Urologist that I have prostate cancer. The doctor wanted to prepare me for surgery immediately, but I refused to go for surgery. I was very afraid and gave up hope at some point till I discovered the fenbendazole protocol. Thanks to reaching out to a couple of people who have been on the course before and after sharing their stories with me I decided to take the protocol on with full commitment.
Case 1: Stage 1 prostate cancer (June, 2022)
After having two scans and a biopsy and being told that I have stage 1 prostate cancer. I was told by a friend about Fenbendazole. After taking it for a year I had another M.R.I. and biopsy and the cancer is gone. Like a miracle.
Used: Fenbendazole , Vitamin E
Looking for more case reports? Explore additional cases for other cancer
types in our Fenbendazole Cancer Case Series.
Fenbendazole for Prostate Cancer
Studies have shown Fenbendazole could be used for prostate cancer by targeting microtubules, which are structures involved in cell division. Fenbendazole interferes with microtubule function, disrupting the ability of cancer cells to divide and proliferate. This could potentially slow down tumor growth and progression in prostate cancer.In a 2011 study, researchers from Boston and Maryland looked at benzimidazoles, which is the group of drugs Fenbendazole falls under. The study discovered that certain benzimidazoles, including Fenbendazole, can target aggressive prostate cancer cells without harming normal cells. These drugs work by stopping cancer cells from growing and causing them to die, both in the lab and in animals.
When tested in mice with prostate cancer that had spread to the lungs, benzimidazoles helped the mice live longer and slowed down the cancer’s growth in their bones. Even more impressive, these drugs still worked against prostate cancer cells that were resistant to standard chemotherapy. The study suggested that benzimidazoles could be a promising treatment for men with advanced prostate cancer that has spread to other parts of the body.
According to the study (ResearchGate):
Benzimidazoles significantly extend the lifespan of tumor metastases-bearing mice, without severe toxicity to the host. Notably, these anti-tumor effects are comparable if not more effective than paclitaxel. The selective cytotoxicity to the metastatic cells is mediated partly by inhibition of the microtubulin polymerization, leading to mitotic arrest and subsequently cell death. These cytotoxic effects are also observed in cancer cells with paclitaxel or multi-drug resistance, both in vitro and in vivo. The benzimidazoles may possess significant anti-tumor effects and a good safety profile that are desired in the long term treatment of men with late-stage prostate cancer and failed both hormone-deprivation and taxane-based therapies.
President Biden’s Prostate Cancer Diagnosis
On May 18, 2025, former President Joe Biden’s personal office announced that he had been diagnosed with an "aggressive form" of prostate cancer, which had metastasized to his bones, with a Gleason score of 9, indicating a high level of aggressiveness . This diagnosis has fueled speculation and conspiracy theories, including claims that mRNA vaccines may have contributed to his condition. Web searches confirm the diagnosis, with multiple sources like NBC News and The New York Times reporting the details, noting that Biden and his family are reviewing treatment options (NBC News, The New York Times).
X Post by Scott Adams: Prostate Cancer Update
Please don’t recommend I take Ivermectin and Fenben.
I tried that last year, via Dr. Makis, to no effect. There are claims of it working, but I am aware of no patient who benefitted from it. Neither are you.
Please don't recommend fasting or any diet-related system. Someone credible would have noticed if that worked.
Please don't recommend any cocktail of vitamins and minerals. I very much appreciate your caring, but assume I've heard about all of the above.
I'm overwhelmed with those same suggestions all day long.
Dr William Makis explained in his Substack article:
Scott supposedly tried Ivermectin and Fenbendazole, for a total of 1 month.
Scott supposedly tried Ivermectin and Fenbendazole, for a total of 1 month.
Scott never completed my Ivermectin Protocol, which is a minimum of 3 months with follow-up.
So we will never know if Ivermectin and Fenbendazole would have worked for him or not. Trying it for one month and then stopping, is not sufficient to make any sort of conclusion.
It is the equivalent of doing one chemo cycle, stopping and declaring chemo doesn’t work.
It takes approximately 3 months to see significant changes on blood cancer markers and imaging. During that time, PSA may go up due to cancer cell killing and release of cancer antigens.
So for the hundreds of Twitter posts which had the same identical language: “he tried it, it didn’t work”, all of these posts were entirely false.
Scott didn’t try Ivermectin and Fenbendazole in any proper shape or form and we will never know if it would have worked for him or not.
X Post by Barking Mad MD
Not when metastatic to bone. While @MakisMD and others have reported success with IVM and Febendazole in a number of cases https://onedaymd.com/2025/04/fenbendazole-ivermectin-prostate-cancer.html…, the only treatment typically provided for metastatic prostate cancer is Leuprolide or other androgen blockers to slow progression. The most effective treatment for early stage cancer conformal proton beam radiation therapy. It is criminal that Biden's cancer was not detected earlier and can only be a consequence of neglected medical care on the part of his physicians who look to have been as incompetent as the rest of the crew surrounding Biden.
Clinical Trials of Metastatic Prostate Cancer
There are more than 3,000 clinical trials of ClinicalTrials.gov on metastatic prostate cancer.
2025 ASCO Annual Meeting Updates:
- Final overall survival (OS) with talazoparib (TALA) + enzalutamide (ENZA) as first-line treatment in unselected patients with metastatic castration-resistant prostate cancer (mCRPC) in the phase 3 TALAPRO-2 trial.
- FDA Approves Darolutamide for Metastatic Castration-Sensitive Prostate Cancer
- ASCO Updates Guidelines for Metastatic Castration-Resistant Prostate Cancer
Conclusion and Key Takeaway
Keep in mind that these references are based on case reports, which offer preliminary evidence. Critics may dismiss them as pseudoscience or low-quality data or even misinformation. However, these testimonials could represent just the tip of the iceberg—an emerging frontier that science is only beginning to explore.
For a more comprehensive understanding, it's worth looking into additional research studies and clinical trials. As always, consult with your healthcare provider(s) before making any treatment decisions, as close monitoring and personalised care are essential.
Disclaimers:
- Statements on this website have not been evaluated by the Food and Drug Administration. The contents of this website is for educational and informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis or treatment.
- Please do not consider this guide as personal medical advice, but as a recommendation for use by professional providers. Consult with your doctor and discuss with her/him. Our aim here isn't to replace your doctors' advice. It is intended as a sharing of knowledge and information. Do take note that cancer is a continuous struggle between the immune system and the cancer cells. Cancer treatments are meant to assist the immune system in this battle. Any potential treatment—whether conventional or complementary—must be evaluated on a case-by-case basis, with careful consideration of the benefit-risk ratio to ensure both safety and effectiveness.
- The case reports presented reflect the real-life experiences and opinions of other readers or users of the website. The experiences of those readers or users are personal to those particular readers/users and may not necessarily be representative of all readers/users. We do not claim, and you should not assume, that all other readers/users will have the same experiences. Do you own research, consult with relevant medical professionals before attempting to self-treat for any condition.
- Cancer treatment should be part of a multi-modal approach in order to provide the best possible outcome. Diet and lifestyle changes are meant to run alongside conventional treatment. They are complementary, not alternative.
- Cancer care is a team effort with the patient at the centre. Care should be supervised and coordinated by a primary healthcare provider. Patients with cancer should consult with their regular oncologist as well as an integrative provider/oncologist, in addition to their primary care provider and the supporting nurses, dieticians and other allied healthcare professionals.
- While the term 'alternative' might imply opposition to conventional oncology, we prefer 'complementary,' 'integrated,' or 'holistic.' These terms better reflect the role of these strategies as part of a personalized value-added menu of strategies, ensuring the most effective and safe solutions for patients.
- Integrating a repurposed drug doesn't mean rejecting modern medicine — It enhances it and offers a more comprehensive approach to wellness and healing. By combining conventional cancer management with root-cause resolution, this model creates a path to sustained recovery and resilience.
Read More: Prostate Cancer series
Related:
Like and Follow us for more updates on X/Twitter: One Day MD on X.com.
Ivermectin and mebendazole, both approved for human use, are now available in the U.S.
Researched and approved by Dr. Peter McCullough.
Researched and approved by Dr. Peter McCullough.
- Prescribed by licensed medical professionals
- Compounded and dispensed by a licensed US-based pharmacy
- Approved for human use
Where to buy Ivermectin and Mebendazole Formula: Available on The Wellness Company's website. Here is the link: Ivermectin and Mebendazole.
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