Fenbendazole and Ivermectin for Lung Cancer Success Stories: 23 Case Reports Compilation (September 2025 Edition)
Lung cancer remains one of the most challenging and deadly malignancies worldwide, with limited effective treatment options for advanced stages despite advances in targeted therapies and immunotherapies. Patients with metastatic or treatment-resistant disease often face poor prognoses and unmet clinical needs, prompting exploration of novel and adjunctive therapeutic approaches.
For patients with actionable mutations identified through molecular profiling, targeted therapies are the preferred treatment approach. In particular, for "PD-L1 High Non-Small Cell Lung Cancer", single-agent immunotherapy may be more effective and better tolerated than chemotherapy in selected patients.
The preference for targeted treatments reflects their demonstrated efficacy in improving outcomes in these molecularly defined subgroups, underscoring the importance of comprehensive genomic profiling in guiding personalized therapy decisions. However, targeted agents are only applicable to small patient subsets.
Repurposing existing drugs with known safety profiles represents a promising strategy to expand the therapeutic arsenal against lung cancer. Fenbendazole, ivermectin, and mebendazole—widely used antiparasitic agents—have recently garnered attention for their potential anticancer properties demonstrated in preclinical studies and emerging clinical observations. These drugs exhibit multiple mechanisms of action, including inhibition of cancer cell proliferation, induction of apoptosis, disruption of microtubule dynamics, and enhancement of anticancer immune responses.
In 2020 (Juarez et al) - Antitumor effects of ivermectin at clinically feasible concentrations support its clinical development as a repositioned cancer drug. Ivermectin was tested at 2mg/kg/day which translates to roughly 5uM in vitro concentration. Lung cancer cell line was ranked no. 4 as one of the most sensitive cancer cell lines.
The main goal with this article
is to provide as much clear information as possible for someone dealing with
lung cancer. This article deals with the basis and practical approach to using
Fenbendazole and Ivermectin for lung cancer.
Fenbendazole and Ivermectin and Fenbendazole or Mebendazole Lung Cancer Case Series Compilation
We have compiled a list of ivermecin and fenbendazole or mebendazole for
lung cancer case reports below.
This compilation features several case reports involving the use of
ivermectin and/or fenbendazole for lung cancer.
Case 23 - 2025: 69 year old Florida Man with 8cm Stage 3 Small Cell Lung Cancer
Dr William Makis shared on X.com in September 2025:
IVERMECTIN and FENBENDAZOLE Testimonial - 69 year old Florida Man with 8cm Stage 3 Small Cell Lung Cancer reports after 2 months (shocking CT imaging included)
I have the world's largest Ivermectin Cancer Clientele.
We've been so busy working day and night, I haven't had a chance to post from our massive pile of success stories.
69 year old Florida Man with Stage 3 Small Cell Lung Cancer
In early July he started high dose Ivermectin and Fenbendazole.
Results after 2 months:
Yes, that is an almost 8cm lung tumor melting away to almost nothing.
Case 22 - 2025: 64 year old Idaho man with Stage 4 NSCLC Lung cancer and Thyroid Cancer
Dr William Makis shared on X.com in July 2025:
IVERMECTIN and FENBENDAZOLE Testimonial - 64 year old Idaho man with Stage 4 NSCLC Lung cancer and Thyroid Cancer reports after 2 months.
Many lung cancer cases respond very well to Ivermectin and Fenbendazole.
Story:
64 year old Idaho man with Stage 4 NSCLC Lung cancer and history of Thyroid Cancer.
We started on April 8:
- Ivermectin 1.0mg/kg/day
- Fenbendazole 1500mg/day
- CBD Oil 100mg/day
- Oncologist started chemo
Results after 2 months:
Lingular mass 5.3x5.6cm shrunk to 2.5x4.0cm = 76% tumor volume shrinkage (calculations by Grok).
You don't see these kinds of results with chemo, the Oncologists themselves admit this, especially when they don't know what the patient is taking.
Case 21 - 2025: 67 year old New York woman with Stage 4 NSCLC Lung Cancer metastatic to lymph nodes, brain, adrenals
Dr William Makis shared on X.com in July 2025:
IVERMECTIN and FENBENDAZOLE Testimonial - 67 year old New York woman with Stage 4 NSCLC Lung Cancer metastatic to lymph nodes, brain, adrenals reports after 5 months.
I have had success with Stage 4 Lung Cancer.
STORY:
67 year old New York woman with Stage 4 NSCLC Lung Cancer metastatic to lymph nodes, brain, adrenals
Started in early January 2025:
- Ivermectin 1.0mg/kg/day
- Fenbendazole 888mg/day
- CBD Oil 100mg/day
- RUL Nodule, intrathoracic lymph nodes - resolving
- Retroperitoneal lymph nodes - resolving
- Bilateral adrenal and right upper pole renal metastases - resolving
- Bone metastases healing - increased sclerosis
- Liver metastases - stable
Case 20 - 2025: Stage 4 Lung Cancer
Evans Wroten shared on X/Twitter in March 2024 with latest update in June 2025:
June 2025 update:
March 2024 X post:
For some background and context I was diagnosed head/neck cancer in December 2020. While they couldn’t identify the primary source, the cancer was in the lymph nodes of my neck, base of my tongue and back of my throat.
In January of 2021 I began treatment at Atrium Wake Forest Baptist Medical Center. 35 treatments of radiation with 3 tranches of chemo (cisplatin). It was a bit of a rough road, but treatment results seemed to please everyone.
In the spring of 2023 I went in for my normal scans and found that the cancer had jumped to my lungs (bilateral stage IV).Almost immediately there were two treatments of directed radiation at very specific tumors and I began treatments of immunotherapy (Keytruda) every 3 weeks.
I've been very impressed and pleased with my care team from the beginning but I also wanted to be an aggressive advocate for my own treatment and care.
Upon learning of the spread to my lungs, I did another deep dive into various repurposed medications and naturopathic treatments that I had started reading about during my initial treatments for my head/neck cancer, but had stopped because we thought we had the disease in remission. During this process I received a lot of input from other cancer survivors, as well as oncologists from the UK, South African and the US. Over a few months, I put together a high dose vitamin and repurposed medication protocol which I've been using since 2023.
My approach to treatment is 3 fold.
I have always been 100% transparent with all the physicians on my care team concerning this protocol and I’ve always asked for their feedback and concerns. While they did not encourage me to use this protocol, they also didn’t tell me not to. I’ve always told them that if they had concerns that this protocol might hurt me or prevent positive results in treating my cancer, that I would stop it immediately. To date, they have not objected in any way.
Just as an FYI, I'm not suggesting this for anyone other than me, but I here is my protocol.
For those who have been following me on my cancer journey, I thought I’d fill you in on my latest scans and medical update.
For some background and context I was diagnosed head/neck cancer in December 2020. While they couldn’t identify the primary source, the cancer was in the lymph nodes of my neck, base of my tongue and back of my throat.
In January of 2021 I began treatment at Atrium Wake Forest Baptist Medical Center. 35 treatments of radiation with 3 tranches of chemo (cisplatin). It was a bit of a rough road, but treatment results seemed to please everyone.
In the spring of 2023 I went in for my normal scans and found that the cancer had jumped to my lungs (bilateral stage IV).Almost immediately there were two treatments of directed radiation at very specific tumors and I began treatments of immunotherapy (Keytruda) every 3 weeks.
I've been very impressed and pleased with my care team from the beginning but I also wanted to be an aggressive advocate for my own treatment and care.
Upon learning of the spread to my lungs, I did another deep dive into various repurposed medications and naturopathic treatments that I had started reading about during my initial treatments for my head/neck cancer, but had stopped because we thought we had the disease in remission. During this process I received a lot of input from other cancer survivors, as well as oncologists from the UK, South African and the US. Over a few months, I put together a high dose vitamin and repurposed medication protocol which I've been using since 2023.
My approach to treatment is 3 fold.
1. Prayer (even if you don't believe or feel like a fraud, do it anyway....trust me, it helps)
2. Immunotherapy intravenous (Atrium Wake Forest Baptist Cancer Center every 3 weeks.
3. Protocol listed below.
2. Immunotherapy intravenous (Atrium Wake Forest Baptist Cancer Center every 3 weeks.
3. Protocol listed below.
I have always been 100% transparent with all the physicians on my care team concerning this protocol and I’ve always asked for their feedback and concerns. While they did not encourage me to use this protocol, they also didn’t tell me not to. I’ve always told them that if they had concerns that this protocol might hurt me or prevent positive results in treating my cancer, that I would stop it immediately. To date, they have not objected in any way.
Just as an FYI, I'm not suggesting this for anyone other than me, but I here is my protocol.
- Fenbendazole 222mg day - Every day
- Ivermectin 12mg to 24mg day - Every day
- Turkey tail mycelium powder - 1 tsp day
- Vitamin D + K2 Liquid 30,000 I/U day
- Fish Oil 5,000mg day
- Vitamin C 3,000mg day
- Multi Vitamin 2,000mg day
- Start a ketogenic diet or carnivore diet immediately
To date my results are:
March 18th 2024 update:
No cancer found in my head and neck.
No new cancer found in either of my lungs.
Left nodule shows no growth since my last scan 90 days ago.
Right nodule shows no growth since my last scan 90 days ago.
June 14, 2024 update:
Primary - No evidence of recurrence: routine surveillance
Neck – No evidence of recurrence: routine surveillance
Chest - No new pulmonary lesions or other evidence of intrathoracic metastatic disease. Evolving post radiation changes and subsegmental atelectasis in right upper lobe, recommend attention on follow-up.
September 6, 2024 update:
Primary - No evidence of recurrence: routine surveillance
Neck – No evidence of recurrence: routine surveillance
Chest - No new pulmonary lesions or other evidence of intrathoracic metastatic disease. Evolving post radiation changes and subsegmental atelectasis in right upper lobe, recommend attention on follow-up.
December 5, 2024 update:
Overall: Category 1 - no evidence of recurrence.
Primary: Category 1 - no evidence of recurrence.
Neck: Category 1 - no evidence of recurrence.
Chest:
1. There is a new solid nodule within the right upper lobe, most likely infectious or inflammatory in etiology. Attention on follow-up per oncology protocol.
2. Findings are otherwise unchanged, which included postradiation changes of the bilateral upper lobes and left lower lobe with multiple similar scattered pulmonary nodules.
3. Healing right anterior third rib fracture. (due to directed radiation 12 months prior)
March 25, 2025 Update:
Overall: Category 1 - no evidence of recurrence.
Primary: Category 1 - no evidence of recurrence.
Neck: Category 1 - no evidence of recurrence.
Stable right upper lobe pulmonary nodules and bilateral perihilar bronchocentric opacity and scar. No new pulmonary nodules or disease progression. Stable intrathoracic adenopathy.Lungs/pleura: Bilateral perihilar linear opacity with slight lung volume loss. No definite new findings. Stable right apical nodules (85 series 4). No pleural effusion, or pneumothorax.
Thank you to everyone who has reached out to me, prayed for me, and provided me support and hope. I love you all.
March 18th 2024 update:
No cancer found in my head and neck.
No new cancer found in either of my lungs.
Left nodule shows no growth since my last scan 90 days ago.
Right nodule shows no growth since my last scan 90 days ago.
June 14, 2024 update:
Primary - No evidence of recurrence: routine surveillance
Neck – No evidence of recurrence: routine surveillance
Chest - No new pulmonary lesions or other evidence of intrathoracic metastatic disease. Evolving post radiation changes and subsegmental atelectasis in right upper lobe, recommend attention on follow-up.
September 6, 2024 update:
Primary - No evidence of recurrence: routine surveillance
Neck – No evidence of recurrence: routine surveillance
Chest - No new pulmonary lesions or other evidence of intrathoracic metastatic disease. Evolving post radiation changes and subsegmental atelectasis in right upper lobe, recommend attention on follow-up.
December 5, 2024 update:
Overall: Category 1 - no evidence of recurrence.
Primary: Category 1 - no evidence of recurrence.
Neck: Category 1 - no evidence of recurrence.
Chest:
1. There is a new solid nodule within the right upper lobe, most likely infectious or inflammatory in etiology. Attention on follow-up per oncology protocol.
2. Findings are otherwise unchanged, which included postradiation changes of the bilateral upper lobes and left lower lobe with multiple similar scattered pulmonary nodules.
3. Healing right anterior third rib fracture. (due to directed radiation 12 months prior)
March 25, 2025 Update:
Overall: Category 1 - no evidence of recurrence.
Primary: Category 1 - no evidence of recurrence.
Neck: Category 1 - no evidence of recurrence.
Stable right upper lobe pulmonary nodules and bilateral perihilar bronchocentric opacity and scar. No new pulmonary nodules or disease progression. Stable intrathoracic adenopathy.Lungs/pleura: Bilateral perihilar linear opacity with slight lung volume loss. No definite new findings. Stable right apical nodules (85 series 4). No pleural effusion, or pneumothorax.
Thank you to everyone who has reached out to me, prayed for me, and provided me support and hope. I love you all.
Case 19 - 2025: Farmer clears his Lung Cancer with Ivermectin and Chlorine Dioxide
Dr William Makis shared on X/Twitter in June 2025:
IVERMECTIN and CHLORINE DIOXIDE Testimonial - Farmer clears his Lung Cancer, leaving his surgeons dumbfounded.
I will share an interesting story that was sent to me a few days ago:
"I have a friend who was diagnosed with lung cancer (verified by biopsy)(after two covid vaccines) and was scheduled for lung removal surgery."
"He had 5 weeks until the surgery. "
"He is a farmer and was familiar with ivermectin and so he took the horse paste at the recommended weight dosage and he also took CDS 3000 at 10 cc's per day mixed into a quart of water and consumed in 10 doses spread over the day."
"He went into surgery and when he woke up in recovery the Doctor told him that he opened him up and there was no cancer."
"He did biopsies of several lymph nodes and they were all clear."
"The Doctor cancelled the radiation and chemo that was scheduled. It has been a year now and he is fine."
In 2023, Mexican researchers led by Manuel Aparicio-Alonso published 3 cases of Stage 4 Cancer that resolved with Chlorine Dioxide:
"Chlorine dioxide solution in metastatic cancer: case series" (Authorea 2023)
"Three patients were treated for metastatic cancer (kidney, prostate and lymphoma), on a compassionate basis. We report lasting tumor response with chlorine dioxide, without side effects"
In 2024, another case was published by Manuel Aparicio-Alonso, with another lymphoma patient:
"Case report: Resolution of pathologic fracture from metastatic non-Hodgkin's lymphoma with compassionate therapy"
The use of Chlorine Dioxide in Cancer hasn't made it to the United States or Canada yet, but it's worth keeping an eye on!
Case 18 - 2025: Japanese man with Stage 4 Lung Cancer (video link below)
- Fenbendazole
- Vitamin D
- CBD Oil
Stage 4 Lung Cancer can be very responsive to a combination of Ivermectin, Fenbendazole and CBD Oil.
— William Makis MD (@MakisMD) May 27, 2025
There are several published cases of 3-4cm lung tumors resolving with just CBD Oil applied under the tongue for a few months.
These gentlemen actually picked the two best… pic.twitter.com/yfKnSF5pMZ
Case 17 - 2025: 68 year old man in India was diagnosed with Stage 4 Lung Cancer with metastases in the lymph nodes, bones, liver, spleen and brain
Dr William Makis shared on X/Twitter in May 2025:
IVERMECTIN and FENBENDAZOLE Testimonial - 68 year old man in India with Stage 4 Lung Cancer baffles doctors as all tumors shrink by up to 94% after 2 months!!
This success story from India is dedicated to everyone who attacked me this week.
If you think I'm only helping cancer patients in North America, you'd be wrong...
68 year old man in India was diagnosed with Stage 4 Lung Cancer with metastases in the lymph nodes, bones, liver, spleen and brain.
His family reached out to my Ivermectin Cancer Clinic.
We started:
- Ivermectin 1 mg/kg/day
- Fenbendazole 1000 mg/day
Results after 2 months:
"His doctor did not say any word after seeing the report. He just mentioned report is OK, we will complete the remaining chemo cycle. Inside I knew he was also shocked to see the report.
"I can not thank you enough"
PET/CT showed shrinkage and decreased metabolism of EVERY metastatic tumor including in the brain.
Example:
Right Lung Primary Malignancy:
3.2x2.7x3.5cm shrunk to 1.6x1.0x1.2cm (94% tumor volume shrinkage)
SUV 14.5 to SUV 3.1
"Hypermetabolic mediastinal lymph nodes, spleen lesion and brain lesion and liver lesion with low significant metabolism. Interval significant reduction in metabolic activity and size"
Case 16: 53 year old USA man with Stage 4 NSCLC* Lung Cancer
metastatic to lymph nodes and adrenals
Dr William Makis shared on X/Twitter in May 2025:
Dr William Makis shared on X/Twitter in May 2025:
STORY: 53 year old man (USA) with Stage 4 NSCLC Lung Cancer with extensive metastases to mediastinal lymph nodes, adrenals, brain. Had been on Keytruda since April 2024 We started (end of Jan.2025):
PET Scan done just over 1 month later: - Ivermectin 1.5 mg/kg/day
- Mebendazole 1000 mg/day
“Interval near complete resolution of extensive hypermetabolic mediastinal and hilar adenopathy” “Interval resolution of previously demonstrated hypermetabolic adrenal metastases”.
"Interval" in this case is since the start of Ivermectin and Mebendazole, which the patient started in January.
My Take...
This is where Ivermectin, Fenbendazole and Mebendazole can really dramatically improve results. This combination, in addition to killing cancer cells, also acts as a chemosensitizer and radiosensitizer. Which means more cancer cells are killed once chemo is added, or radiation treatment takes place.
*Note: NSCLC (Non Small Cell Lung Cancer) is the most common type of lung cancer, accounting for about 80% to 85% of all lung cancer cases.
Case 15: 64 year old Canadian woman with Stage 4 NSCLC Lung Cancer with Brain metastases
We started in mid February 2025:
Case 14: 45-year-old UK woman with Stage 4 Non-Small Cell Lung Cancer
with lymph node, liver and adrenal metastases
Case 15: 64 year old Canadian woman with Stage 4 NSCLC Lung Cancer with Brain metastases
Case testimonial from Dr William Makis (X/Twitter) in April 2025:
IVERMECTIN and MEBENDAZOLE Testimonial - 64 year old Canadian woman with Stage 4 NSCLC Lung Cancer with Brain metastases has incredible response (up to 90% brain lesion shrinkage)! I always get asked about cancer in the brain. Well, there is hope there too!
IVERMECTIN and MEBENDAZOLE Testimonial - 64 year old Canadian woman with Stage 4 NSCLC Lung Cancer with Brain metastases has incredible response (up to 90% brain lesion shrinkage)! I always get asked about cancer in the brain. Well, there is hope there too!
STORY: 64 year old Canadian woman with Stage 4 NSCLC Lung Cancer with 20+ Brain metastases
- Ivermectin 1.5mg/kg/day
- Mebendazole 2000mg/day (yes, you read that correctly. Now you know why the clinical trials they did with Mebendazole at 200mg/day didn't work)
RESULTS after 2 months:
Consider: this is shrinkage of brain metastases after 2 months of Ivermectin and Mebendazole!!
- Lesion 1 - 16x13mm to 10x7mm = 80% shrinkage
- Lesion 2 - 16x15mm to 12x10mm = 65% shrinkage
- Lesion 3 - 13mm to 9mm = 67% shrinkage
- Lesion 4 - 13mm to 6mm = 90% shrinkage
- Lesion 5 - 8mm to 4mm = 88% shrinkage
From the patient:
"Thank you so much for your guidance and support, this is very encouraging and gives me hope for the future"
Dr William Makis shared on X/Twitter in April 2025:
Case 12:
IVERMECTIN and FENBENDAZOLE Testimonial - 45 year old UK woman with
Stage 4 Non-Small Cell Lung Cancer with lymph node, liver and adrenal
metastases, has 75% of disease gone after 4 months!
Ready for a nice Stage 4 Lung Cancer story?
45 year old UK woman with Stage 4 NSCLC Lung Cancer with lymph node,
liver, and adrenal metastases.
In early September 2024 we started:
- Ivermectin 1 to 2 mg/kg/day (eventually built up to 96mg Ivermectin a day, or 1.5mg/kg)
- Fenbendazole 444mg a day
- CBD Oil 25mg a day
- Melatonin 120mg a day
Oncologist started Osimertinib (Tagrisso)
RESULTS (January 2025 PET/CT):
- Adrenal metastasis shrunk from 6cm to 3.6cm
- Lymph node metastases resolved
- Liver metastases resolved
- Oncologist estimated 75% of tumor burden had resolved.
The patient had some transient visual side effects with Ivermectin
which are typical in the beginning but they went away.
"Liver completely cleared up"
"Lymph lump in neck completely gone"
Case 13: Stage 4 Lung Cancer patient in India with
metastases to brain, liver and bones, sees dramatic recovery including
"complete resolution" of liver & bone mets! (Jan 2025
update)
"IVERMECTIN and FENBENDAZOLE Testimonial - Stage 4 Lung Cancer patient
in India with metastases to brain, liver and bones, sees dramatic
recovery including "complete resolution" of liver & bone mets!
An International story you're going to love!
Adarsh contacted me in early September 2024 about his dying father in
India who had Stage 4 Lung Cancer with metastases everywhere including
brain, liver, bones.
"doctors has given some months to live".
So I suggested an Ivermectin/Fenbendazole Protocol - something simple,
yet powerful:
- Ivermectin 1.5mg/kg/day
- Fenbendazole 444mg/day (I suggested up to 888mg)
RESULTS:
PET Scan of 27 November, 2024:
- complete metabolic resolution of liver and bone metastases (!)
- decrease in size and number of mediastinal lymph nodes
- decrease in size of brain metastases (!)
- decrease in lung lesion.
|
| source: https://substack.com/home/post/p-155091883 |
Case 10: IVERMECTIN and FENBENDAZOLE Testimonial - 40s
year old California Man with Stage 4 Lung Cancer (Jan 2025 update)
"IVERMECTIN and FENBENDAZOLE Testimonial - 40s year old California Man
with Stage 4 Lung Cancer (post three Pfizer COVID-19 Vaccines, Turbo
Cancer?) sees dramatic improvement in 3 months!
Another wonderful story for you:
40s year old California man (who had three Pfizer COVID-19 mRNA
Vaccines), was coughing for months, and was diagnosed with an unexpected
Stage 4 Lung Cancer (NSCLC) metastatic to numerous lymph nodes and
pleura, with a pleural effusion.
We started an aggressive protocol:
- Ivermectin 1mg/kg/day increasing slowly to 2mg/kg/day (high dose!)
- Fenbendazole 888mg/day
- Oncologist also started Tagrisso (Osimertinib)
3 Months Later:
- Primary lung tumor reduced in size from 3cm to 2cm.
- Pleural effusion resolved completely (!)
- Gained 15 pounds of weight from his lowest before he started the protocol. These are very significant improvements!"
Case 9: November 2024 - Ivermectin and Fenbendazole for stage 4 NSCLC Lung Cancer
40s year old Stage 4 Lung Cancer Patient in the UK In August 2024, we
started Ivermectin 1mg/kg/day and Fenbendazole 444mg/day 6 days on 1 day
off
There were some transient visual effects from Ivermectin to overcome in
the first few weeks (see messages) But they went away after a few
days!
And less need for strong pain medications! 3 month Follow-up Report:
“Cancer is stable and all lesions / tumours have shrunk”
“biggest shrink of all was the one above adrenal gland which has gone from
6cm to 3.6cm!”
“spots on the left lung and liver were so small they were too small to
measure”
My Take… It is wonderful to see results like this after only 3 months!
Sometimes there are some minor growing pains in the beginning - some
transient side effects to overcome (like the visual side effects of
ivermectin), but once you overcome them, it’s smooth sailing! In this case
they lasted about 10 days and then they were gone.
And yes, we did push to get to Ivermectin 2mg/kg/day (substantial dose)
and Fenbendazole 888mg/day (moderate dose). Can you imagine a Stage 4 Lung
6cm adrenal metastasis shrinking to 3.6cm and all other lesions shrinking,
some disappearing or becoming too small to measure? In just 3 months? Not
bad for horse medicine!
I'm not ready to post exact details, but my wife's Stage 4 lung cancer is
seemingly going away. Main tumor has gone from 6.4 to 2.6. Lymph spits all
but gone. Lower lung spot gone. She has been on a targeted gene therapy
drug and is using fenbendazole, curcumin, and Vitamin E.
Case 8: November 2024
Case sharing by Gerard Donald (X/Twitter):
Case 7: October 2024 - Ivermectin and Fenbendazole for stage 4 Lung
Cancer
One of my cancer patients is a woman in her 70s with Stage 4 Lung Cancer
with multiple liver metastases. “Less than 7 weeks after initiating the
protocol”
Primary Lung lesion LLL 2.9cm to 2.1cm (28% decrease)
Liver at porta hepatis 5.3cm to 1.6cm (70% decrease)
Right hepatic lobe inferiorly, 2.4cm to 1.0cm (58% decrease)
Right hepatic lobe, 2.1cm to 0.8cm (62% decrease)
"I wholly believe, as does my wife, that the protocol is doing the heavy lifting".
Condition: Stage 2 Adenocarcinoma in his upper right lung lobe
In July of 2018, my husband received his first cancer diagnosis. Stage 2 Adenocarcinoma in his upper right lung lobe. Mutations tested. Lobe was removed
July 23, 2018, and he was put on active surveillance, no treatment.
On 11/14/2018, he received his second diagnosis, prostate cancer, adenocarcinoma with metastasis, stage 4, and Gleason score 9. Prostate was removed,followed by 7 weeks of radiation, and put on ADT therapy (Lupron and Xtandi), no chemo. Mutations tested, not favorable, and very aggressive. He is a rare case where cancer didn’t show in blood or any scans. To this day, it still doesn’t. We can only monitor by symptoms.
He started to progress in symptoms in June of 2022. August of 2022, diagnosed with a 2nd lung cancer, stage 4 adenocarcinoma. Mutation testing repeated, this time, it showed similar mutations as 1st lung cancer, but also some slightly different ones that led them to believe it was a different cancer.
He began treatment on 01/09/2023. We were not given any hope, and they said mutations were not in his favor and that treatment was highly unlikely to do anything, but they offered it anyways saying it would buy him time. They made it very clear he did not have the mutations they were hoping to see, they were hoping it was a mutation that responds favorably to treatment,and he didnt have those.
It didn’t make sense, in 1 sentence they stated it wasn’t likely to work, but yet it could buy him time?? It is his journey, and he decided to try. 2 chemo drugs, and I immunotherapy for 4 treatments spaced 3 weeks apart. Then they dropped 1 chemo and said he would stay on double treatment for up to 2 years, then they would drop to just immunotherapy. He stayed on double for 7 treatments. But his body was worn out. They decided 1 more treatment, and if scans looked good, they would drop the other chemo. But he got sick just before the last double treatment was supposed to happen. It has delayed his scan as well. But it is a viral thing, not cancer related, as far as we know.
Let’s get to the good stuff though… People started sending me messages, LOTS of people, asking me if I’d heard of the Fenben Protocol. I started getting these messages in August of 2022, right after his biopsy confirmed a new occurrence. To be honest, I ignored the messages until I got 2 in 1 day in November. I decided ok, I’m going to check this out. I joined the group on December 16th, 2022 and I started tearing into the files. And I started researching, and research led me to a medical sight that leaned very favorably in Fenbens direction. We discussed as to whether to bring it up to oncology, but they had made it clear in the beginning that if we choose to do natural, they would not treat him, so we kept our mouths shut.
He started the protocol at the end of February. His scans on 12/22 and 02/23 showed new masses had grown since the scan in July of 22. But by the next scan on 04/06/2023 many of the masses were still present, but stopped growing. But the masses in his pleura (which is what deemed him terminal) were almost gone! Let me note right here, that by this time, his prostate symptom progression stopped, and then the symptoms resolved.
Next scan on 05/30/2023, pleura masses are now unremarkable, and the other scattered masses still haven’t grown any.
Next scan on 07/30/2023, pleura isn’t even discussed, no remarks! Dr says they can’t see anything there at all! And the other masses remain unchanged, no growth! Whether we simply bought him time, or he’s healing, we will take it! But our hope is restored. He’s not in pain and he’s still his ornery self. And we remain grateful to the community for the knowledge and support.
Case 5: July, 2022
I have stage 4 Adenocarcinoma of the lungs…doctor told me it’s not curable. I’m 44 with two teenagers so I don’t want to hear that kind of news. Anyway, I was diagnosed in December and by January I received chemotherapy. A friend told me about Fenbendazole and I started it immediately. I am now on chemotherapy, immunotherapy, and Fenbendazole. After 4 treatments…I had a PET Scan….the scan was remarkable. Many subcentimeters nodules resolved, the two large masses are shrinking, no enlarged lymph nodes in the hilar and mediastinal region. No new growth! I’m hoping this is a good sign.
*Using Fenbendazole 220mg day and night, chemo taxol/Carbo, and Keytruda since January.
Plan to start Vitamin E, Milk thistle for liver, and Turmeric/Curcumin this week.
Case 4: July, 2022
They gave my husband 18 months to live in 2019, from having SCLC with no primary tumor. Mets everywhere. He has been doing Joe Tippens protocol before he even started chemo. Chemo didn’t work and he is now on Opdivo infusions once a month. We found out he had cancer from 3 fractures on his vertebrae. Went to his brain and that’s all gone also. Thank you Joe!! Praise the dear Lord!!
DATE OF EXAM: May 5 2022 10:17AM
AKP 0063 – NM PET/CT SKULL-THIGH SUBQ / ACCESSION # 130564079
PROCEDURE REASON: Malignant neoplasm of unspecified part of unspecified
bronchus or lung (HCC)
Case 3: March, 2022
In 2020, I was diagnosed with stage 4 lung carcinoma. The Oncologist found a big tumor growing on my left lung along with a massive tumor inside my chest cavity so big that it started constricting my heart arteries.
They started me with radiation right away followed by weeks of intensive chemotherapy, and I got so sick that they had to lower the doses and frequency to half of what they originally had me on.
Case 2: November, 2021
About three months ago my wife was diagnosed with metastatic cancer on her lungs and gave her a 3 months prognosis. She had five aggressively growing nodules.
A friend reached out to me about the fenbendazole protocol that she was following at the time. Today my wife came back from a visit to the Oncologist with test results showing a major improvement on the growths – only two small nodules were found! This is truly a miracle and a blessing!
Case 1: Small Cell Lung Cancer (SCLC) with Joe Tippens Cancer Protocol
(2017)
Joe Tippens had been initially diagnosed with small cell lung cancer. The cancer later spread to his neck, right lung, stomach, liver, bladder, pancreas and tail bone. Like the scientist from Merck Animal Hospital, Joe was told he only had three months to live. In 2017, after hearing the story of the scientist who treated her cancer with a canine drug, Joe decided he was going to do the same. However, in addition to taking the fenbendazole, Joe added his own ingredients to the regimen (curcumin, CBD oil, and vitamin E), thus creating the Joe Tippens Cancer Protocol.
This case series is part of the 'Ivermectin, Fenbendazole, and Mebendazole Cancer Case Series'.
Discussion
The growing collection of case reports and early clinical experiences with fenbendazole, ivermectin, and mebendazole in lung cancer reflects an emerging area of interest in repurposed drugs for oncology. These antiparasitic agents, although traditionally used for infectious diseases, exhibit promising anticancer mechanisms—such as inhibition of microtubule polymerization, induction of apoptosis in cancer cells, modulation of tumor microenvironment, and immune stimulation—that align well with the observed tumor responses across multiple lung cancer subtypes, including non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC).
The real-world observations presented in this compilation reveal meaningful tumor shrinkage, reduced metastatic burden, and symptomatic improvement in heavily pretreated or advanced-stage lung cancer patients who often have limited conventional treatment options. Remarkably, some patients experienced dramatic lesion resolution, including brain metastases responding to these repurposed agents either alone or in combination with chemotherapy or immunotherapy, suggesting potential chemo- and radiosensitizing properties.
However, it is important to interpret these findings with caution due to the anecdotal nature of much of the current evidence and the absence of large-scale randomized controlled trials (RCTs). Barriers such as limited funding, regulatory challenges, and hesitance within mainstream oncology community have impeded rigorous clinical validation. Additionally, optimal dosing regimens, drug interactions, and long-term safety profiles require further investigation.
Nevertheless, these case series highlight the urgent need for well-designed prospective trials and patient registries to systematically evaluate efficacy and safety, identify predictive biomarkers, and refine patient selection criteria. Integrative oncology protocols combining these repurposed drugs with standard therapies and supportive care may offer a multifaceted approach to improve outcomes for patients with lung cancer, particularly those with aggressive or resistant disease.
Collaboration between conventional oncologists, integrative practitioners, and research researchers will be essential to translate these promising observations into evidence-based clinical guidelines. Meanwhile, patient-centered shared decision-making and careful monitoring should guide the incorporation of fenbendazole, ivermectin, and mebendazole into personalized treatment plans.
In summary, while still preliminary, the accumulating evidence suggests that repurposed antiparasitic drugs warrant serious consideration as adjuncts in lung cancer treatment. Their affordability, wide availability, and observed clinical activity offer hope for expanding therapeutic options in this challenging disease.
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.
Updates:
- Lung Cancer in Non-Smokers Is on the Rise — Experts Explain Why (Fox News July 2025)
- JAMA June 2025 / ASCO 2025:
- Immunotherapy for Resectable Non–Small Cell Lung Cancer—Not If, But When.
- Clinical Strategies for Advanced Non–Small Cell Lung Cancer
- Treatments and Outcomes After Platinum-Based Chemotherapy and Anti–PD-(L)1 in NSCLC
- Clinical Outcomes of Perioperative Immunotherapy in Resectable Non–Small Cell Lung Cancer
- Adagrasib + Pembrolizumab Shows Promising Efficacy, Safety in Untreated Advanced KRASG12C-Mutated NSCLC in Phase 2 KRYSTAL-7 Trial
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. 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 efficacy.
- 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.
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