Fenbendazole and Ivermectin for Esophageal and Stomach (Gastric) Cancer Success Stories: 7 Case Reports Compilation

Case 1 - 2024: 93 year old man with esophageal cancer (distal esophagus), sent home on hospice to die

Source: https://t.co/vHiuj67lsa

Description: Posted on September 20, 2024, by @MakisMD, this recounts a story from Daylene Martinez about her father, who was sent home on hospice with advanced esophageal cancer. He reportedly started fenbendazole from Amazon and was declared cancer-free 2.5 months later.

According to Dr William Makis (source):

Patient: 93 year old man with esophageal cancer (distal esophagus), sent home on hospice to die. Her dad took 3ml (300mg) of Safeguard (Merck) Fenbendazole once a day, 3 days on 4 days off, from July 30, 2023 until Oct.10, 2023 when he was declared cancer free on follow-up scans. That’s 2.5 months on what would be considered a fairly low dose of Fenbendazole. The liquid may absorb better than pills or powder.





Fenbendazole for Esophageal and Stomach (Gastric) Cancers 

Case 7 - 2025: Stage 4 Esophageal andenocarcinoma spread to lymph nodes and liver

Jeff Bryant shared an update on X in May 2025:

Stage 4 Esophageal andenocarcinoma spread to lymph nodes and liver. Diagnosed January 28 2025 On folfox and added opdivo immunotherapy on April 22nd.


Case 6: Ivermectin & Fenbendazole Testimonial - 55 yr old with Stage 4 Gastric Cancer
  • Link:
    https://t.co/XAx2YWqoqs
  • Description: Posted on March 10, 2025, by
    @MakisMD
    , this covers a 55-year-old patient with Stage 4 gastric cancer and bone metastases. The patient reportedly saw a 99% drop in cancer markers (CA19-9 and CEA) after using ivermectin and fenbendazole.

Case 5: 66 year old man with Stage 4 esophageal cancer that had spread to the lungs and lymph nodes

Shared by Ben Fen on Substack in November 2023:

This Case Report is from a 66 year old man with metastatic esophageal cancer that had spread to the lungs and lymph nodes. It was determined that the cancer was too advanced for surgery or radiation but he was given palliative chemotherapy. Palliative chemotherapy is typically used when the cancer has spread extensively, is inoperable and chemotherapy is not being used in an attempt to eradicate the cancer. The main goal of palliative chemotherapy treatment is to try to improve the quality of remaining life.

Hi Ben, I have an update for you. I received my results from my scan of last week and I’m still cancer free!

I had Stage 4 Esophageal Adenocarcinoma that was large, 18 centimeters long, that had metastasized primarily to one of my lungs and lymph nodes in the region as well. I also had some lumps in my back that were suspected as cancer too. The cancer had also enveloped veins and arteries in the area which is the main reason why surgery wasn’t considered an option for me. My oncologists determined that my cancer was too advanced for radiation or chemotherapy as well, so I was in real trouble.

They did give me some basic chemotherapy consisting of fluoracil and Herzuma to make my final days more comfortable but I was told these would not get rid of the cancer.

I am cancer free today. I give the glory to God, and deepest heartfelt thanks to the folks here and in a facebook group that helped me through this! Because I was given up on I started doing my own research. There are many different types of substances that appear to have anti-cancer properties so I figured I’d use as many as I could in the short time period I had try them. Here is what I did:

• 222 mg packet of fenbendazole (Panacur-C), once per day
• 2 ml Shiaqga Rapid Immune Recovery (mushroom, frankencense, black cumin, lemon), twice per day
• Multigenics Intensive Care multivitamin (no iron), once per day
• 400 mg Calcium, twice per day
• 1000 IU Vitamin D3, twice per day
• 99 mg Potassium, twice per day
• 5000 mg Vitamin B12, once per day
• 600 mg Curcumin (Theracumin HP), twice per day
• 1000 mg Milk Thistle Extract, once per day
• 33 mg CBD (Recepta Relief 33 Fresh Berry CBD), once per day

I followed this protocol for about 14 months, and I started to feel better at around three months or so into it. In April I was determined to be cancer free, no evidence of disease! And just last week, early November, follow up testing and scans were NED, meaning I’m still cancer free. So that is eight months and counting of being cured! THANK YOU JESUS!

Now I take the one 222 mg packet of Panacur-C each day along with the Theracumin, milk thistle, potassium, and a lot of Jesus!

Proverbs 17:22 tells us, “A merry heart doeth good like a medicine; but a broken spirit drieth the bones.” Prayer and laughter (good attitude) were essential in my recovery!

- A. R., Lexington KY November 4, 2023

Q: Any side effects from anything you were taking?
A: No.

Q: Some of the substances in your list aren’t typically associated with anti-cancer effects, like potassium?
A: OK, those other things like potassium and calcium I took for heart health, B12 for energy, vitamin D for bones and the milk thistle as a liver detox agent. Fenbendazole is what killed the cancer.

Q: Did you tell your doctor you were using fenbendazole?
A: After I started to rally I went to see them and told them about what I was doing. No response from them.

Q: We’re a little confused regarding the timing here? When did you start fenbendazole and when did you first get updated diagnostics?
A: I started fenben in July/August of 2022 and then in April of this year I was first declared cancer free, and then again a follow-up in early Nov. found no evidence of cancer. I felt better pretty soon after starting fenben, after about three months or so. So I’ve been clear for at least 8 months or so as of now.

Q: Did you get any covid shots or boosters?
A: None.

Q: Anything else you’d like to add?
A: For me, I realized something good was happening when I started to feel better. It was easier to swallow which made life so much more normal. The tumors were shrinking which enabled my body to function more normally.


Case 4: 74 year old man with a 28cm GIST Tumor* (Gastro-Intestinal Stromal Tumor)

Dr. William Makis shared on X (Twitter) in March 2025:

Ivermectin and Fenbendazole Testimonial - 28cm GIST (Gastrointestinal Stromal Tumor) starts shrinking in a patient who had to go off Gleevec due to side effects, 50% drop in tumor activity!

World's first case. This has never been tried before. 

74 year old man with a 28cm GIST Tumor (GastroIntestinal Stromal Tumor). Reached out to my Ivermectin Cancer Clinic. 

We started: Ivermectin 108mg/day and Fenbendazole 1776mg/day.

Results after 1 month: 
- 47% decrease in tumor’s metabolic activity 
- 1.1cm shrinkage of tumor 
- resolution of abdominopelvic ascites 
- improved appetite 
- decreased mass pressure on the stomach 

From patient: "We met with our oncologist this afternoon and he was surprised to see the great results because XXX has not been allowed to take Gleevec for 4 weeks and he said typically the cancer activity will increase" 

"Well, XXX's PET scan showed a dramatic decrease in activity from SUV 5.78 down to SUV 3! He said normal cells are at 2.5"

*Note: A type of sarcoma, a rare type of cancer that can be difficult to diagnose and treat.


Case 3: December 2024

Dr William Makis shared on X/Twitter:

IVERMECTIN and FENBENDAZOLE Testimonial - 60s year old California man with Stage 2 Gastric Cancer improves significantly on PET/CT after 2 months! (no chemo, no immunotherapy, no radiation).

60s year old California man was diagnosed with Stage 2 Gastric (Gastro-Esophageal Junction) Adenocarcinoma on July 31, 2024. Started Ivermectin early August 2024 (36mg bid) 

He had a staging PET/CT Scan late Aug.2024 which showed a metastatic lymph node, and he then started 444mg Fenbendazole

I became involved and suggested higher doses: 96mg Ivermectin and 888mg Fenbendazole 

RESULTS: PET/CT Aug.23 compared to PET/CT Oct.24, showed: Primary GE Junction tumor SUV 20.5 decrease to 15.6, similar size
 
Metastatic lymph node SUV 21.1 decrease to 15.9, similar size We don’t often get to see the effects of high dose Ivermectin and Fenbendazole on tumors, with metabolic imaging via PET/CT. In this case, we see two tumors with a 25% drop in metabolic activity in 2 months. On a CT scan, the lesions would look stable but metabolic information tells us 25% of the tumor has been killed off. It takes a bit longer for the body to start clearing the dead cancer cells. Once again, this patient had no chemo, no immunotherapy, no radiation, no conventional Oncology treatment of any kind. Only Ivermectin and Fenbendazole, both well tolerated.







Case 2: November 2024

Sam shared on X/Twitter:

Quick appreciation post for Dr Makis a month ago I wasn’t making Xmas now thanks to his high dos ivermectin / fenbendazole protocols I’ve put on 6kg this month and feel like I’m back winning the fight against stage 4 gastric cancer.


Source: Dr William Makis (X/Twitter)


Related: Matterhorn" trial (NEJM 2025), Imfinzi, taken with chemo after surgery, boosted gastric cancer patients' two-year survival rates from 70% (without the immunotherapy) to nearly 76% (with immunotherapy).

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