Tag: General Medical Oncology & Hematology

FDA Approves ENHERTU® for Unresectable or Metastatic HER2-Positive Solid Tumors

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SUMMARY: The FDA on April 5, 2024, granted accelerated approval to ENHERTU® (fam-Trastuzumab Deruxtecan-nxki) for adult patients with unresectable or metastatic HER2-positive (IHC3+) solid tumors who have received prior systemic treatment, and have no satisfactory alternative treatment options. This tumor agnostic indication was approved based on Objective Response Rate and Duration of Response.

The HER or erbB family of receptors consist of HER1, HER2, HER3 and HER4. HER2 is a Tyrosine Kinase Receptor growth-promoting protein and is involved in normal cell growth. It is expressed on the surface of various tissue cells throughout the body. In some cancers, HER2 expression is amplified or the cells have activating mutations. HER2 gene amplification can result in HER2 protein overexpression which is often associated with aggressive disease and poor prognosis. Approximately 15-20% of invasive breast cancers as well as advanced Gastric and GastroEsophageal (GE) junction cancers overexpress or have amplification of the HER2 oncogene. These patients often receive first line treatment with a combination of chemotherapy plus anti-HER2 antibody. Additionally, HER2 directed therapies have been used to treat lung and colorectal cancers. HER2 is an emerging biomarker in other solid tumor types including biliary tract, bladder, cervical, endometrial, ovarian and pancreatic cancers with HER2 positive expression rates varying from 1-28%. There are currently no approved HER2 directed therapies for these cancers following progression on standard of care therapies. There is an unmet need for effective therapies for these HER2 expressing tumor types.

ENHERTU® (Trastuzumab Deruxtecan) is an Antibody-Drug Conjugate (ADC) composed of a humanized monoclonal antibody specifically targeting HER2, with the amino acid sequence similar to Trastuzumab, a cleavable tetrapeptide-based linker, and a potent cytotoxic Topoisomerase I inhibitor as the cytotoxic drug (payload). ENHERTU® has a favorable pharmacokinetic profile and the tetrapeptide-based linker is stable in the plasma and is selectively cleaved by cathepsins that are up-regulated in tumor cells. Unlike KADCYLA® (ado-Trastuzumab emtansine), another ADC targeting HER2, ENHERTU® has a higher drug-to-antibody ratio (8 versus 4), released payload easily crosses the cell membrane with resulting potent cytotoxic effect on neighboring tumor cells regardless of target expression, and the released cytotoxic agent (payload) has a short half-life, thus minimizing systemic exposure.

The FDA approval was based on the efficacy of ENHERTU® in 192 adult patients with previously treated unresectable or metastatic HER2-positive (IHC 3+) solid tumors who were enrolled in one of three multicenter trials: DESTINY-PanTumor02 (NCT04482309), DESTINY-Lung01 (NCT03505710), and DESTINY-CRC02 (NCT04744831). All three trials excluded patients with a history of Interstitial Lung Disease /pneumonitis requiring treatment with steroids or Interstitial Lung Disease /pneumonitis at screening and clinically significant cardiac disease. Patients were also excluded for active brain metastases or ECOG performance status more than 1. Treatment was administered until disease progression or unacceptable toxicity. The major efficacy outcome measure in all three trials was confirmed Objective Response Rate (ORR), and an additional efficacy outcome was Duration of Response (DOR). All outcomes were assessed by Independent Central Review based on RECIST criteria.

DESTINY-PanTumor02 is a global, multicenter, multi-cohort, open-label, ongoing Phase II trial evaluating the efficacy and safety of ENHERTU® 5.4 mg/kg IV for the treatment of previously treated HER2 expressing tumors, including biliary tract, bladder, cervical, endometrial, ovarian, pancreatic cancer or other tumors. DESTINY-PanTumor02 enrolled 267 patients (N=267) at multiple sites in Asia, Europe and North America. Patients had received a median of two prior cancer therapies. In this study, the ORR was 51.4% and median DOR was 19.4 months.

DESTINY-Lung01 is a global, open-label, two-cohort, Phase II trial evaluating the efficacy and safety of ENHERTU® 6.4 mg/kg IV and 5.4 mg/kg IV in patients with HER2 mutant (cohort 2, N=91) or HER2 overexpressing (cohort 1 and 1a, N=90) (defined as IHC 3+ or IHC 2+) unresectable or metastatic non-squamous Non-Small Cell Lung Cancer (NSCLC), who had progressed after one or more systemic therapies. In this study, the ORR was 52.9% and the median DOR was 6.9 months.

DESTINY-CRC02 is a global, randomized, two arm, parallel, multicenter Phase II trial evaluating the efficacy and safety of two doses, 5.4 mg/kg IV or 6.4 mg/kg IV of ENHERTU® in patients with locally advanced, unresectable or metastatic HER2 positive colorectal cancer of BRAF wild-type, or RAS wild-type and RAS mutant tumor types, previously treated with standard therapy. The trial was conducted in two stages. In the first stage, patients (N=80) were randomized 1:1 to receive either 5.4 mg/kg IV or 6.4 mg/kg IV of ENHERTU®. In the second stage, additional patients (N=42) were enrolled in the 5.4 mg/kg IV arm. In DESTINY-CRC02, ORR was 46.9%, and DOR was 5.5 months.

The most common adverse reactions were cytopenias, nausea, vomiting, fatigue, liver function abnormalities and upper respiratory tract infection. The recommended dose of ENHERTU® for this indication is 5.4 mg/kg IV every 3 weeks until disease progression or unacceptable toxicity.

The forementioned trials validate HER2 as an actionable biomarker across a broad range of tumor types, and ENHERTU® has the potential to benefit patients with HER2 expressing advanced disease, who may face a poor prognosis and currently have limited treatment options.

https://www.fda.gov/drugs/resources-information-approved-drugs/fda-grants-accelerated-approval-fam-trastuzumab-deruxtecan-nxki-unresectable-or-metastatic-her2.

April 2024: Current Tumor-Agnostic Therapies

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The FDA on April 5, 2024, granted accelerated approval to Fam-trastuzumab deruxtecan-nxki (ENHERTU®) for adult patients with unresectable or metastatic HER2-positive (IHC3+) solid tumors who have received prior systemic treatment and have no satisfactory alternative treatment options.

This is the 6th Tumor-Agnostic therapeutic target for which an agent has received regulatory agency approval.

A current summary of the Tumor-Agnostic therapeutic targets, and agents approved, is provided below. Please review the drug Prescribing Information for the respective therapeutic agents, as NOT all products are approved for First Line therapy.

MMRd/MSI-H: Pembrolizumab (KEYTRUDA®) and Dostarlimab (JEMPERLI®)
TMB-H: Pembrolizumab (KEYTRUDA®)
NTRK fusions: Larotrectinib (VITRAKVI) and Entrectinib (ROZLYTREK®)
BRAF V600E: Dabrafenib (TAFINLAR®) plus Trametinib (MEKINIST®)
RET Fusions: Selpercatinib (RETEVMO®)
HER2 Overexpression: Fam-trastuzumab deruxtecan (ENHERTU®)

The National Cancer Institute describes Tumor-Agnostic therapy as a type of targeted treatment that uses drugs or other substances to treat cancer based on the cancer’s genetic and molecular features, without regard to the cancer type or where the cancer started in the body. Tissue-Agnostic therapy uses the same drug to treat all cancer types that have the genetic mutation or biomarker, that is targeted by the drug.

Metformin May Reduce the Risk of Cancers, Especially GI Malignancies

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SUMMARY: The American Cancer Society estimates that in 2024, 2,001,140 new cancer cases will be diagnosed, and 611,720 cancer deaths are projected to occur in the United States. The Center for Disease Control and Prevention recommends healthy eating habits, limiting alcohol consumption and skin protection for cancer prevention, screening tests for breast, cervical, colorectal and lung cancer for early detection, as well as HPV and Hepatitis B vaccination to lower the risk of cervical and liver cancer respectively.

Metformin is one of the most commonly prescribed agents for Type 2 diabetes worldwide. Metformin is a synthetic guanidine derived compound. Numerous epidemiological studies have shown that Type 2 diabetes patients receiving Metformin had a decreased risk of the occurrence of various types of cancers, compared to those taking other antidiabetic agents. Numerous meta-analyses have also confirmed that Metformin reduces cancer incidence by 30-50%. These findings in addition to the safety and cost-effectiveness of Metformin have generated a lot of interest in the research community. Metformin exhibited promising anticancer effects in preclinical studies by inducing cell cycle arrest at different stages of cell division depending on the cancer type, promoting cell death, suppressing cancer cell migration, invasion and metastasis, as well as deregulating cancer metabolism. Further Metformin enhanced sensitivity to radiotherapy, chemotherapy, and immunotherapy.

There has been renewed interest in the anticancer mechanisms of Metformin and it has been reported to mimic significant metabolic effects of caloric restriction at both cellular and systemic levels. It has been postulated that Metformin induces a direct effect on cancer cells, independent of blood glucose and insulin levels, and indirect effect thru systemic metabolic changes depending on blood glucose and insulin levels. The primary site at which Metformin exerts its anticancer activity is the mitochondria. Metformin inhibits mitochondrial complex I and triggers energy depletion, which activates AMPK (Adenosine Monophosphate-activated Protein Kinase ) and inhibits mTOR, limiting cancer growth. Additionally, metformin also exerts anticancer effects that are independent of AMPK but rather dependent on Rag GTPases or REDD1.

To date, there has been no comprehensive review of the literature assessing the relationship between Metformin and cancer risk. The researchers therefore conducted a comprehensive systematic review of literature and meta-analysis, to investigate the association between Metformin or any of its analogs use, and cancer risk, and specific cancer type when possible. From an initial pool of more than 6,000 articles, identified in PubMed/MEDLINE, Embase, Cochrane Library, Web of Science, and Scopus from inception through March 7, 2023, 166 studies with cancer incidence information were included in the meta-analysis. Majority of these studies took place in populations with Type 2 diabetes. This analysis was then stratified by cancer type and study type. The authors decided not to provide a summary analysis for specific cancer types because of the heterogeneity between studies due to different study designs, as this analysis included many case-control studies, some prospective cohort studies and some retrospective cohort studies.

This analysis showed a reduced risk for overall cancer in case-control studies (RR=0.55) and in prospective cohort studies (RR = 0.65). Metformin use was associated with reduced risk of gastrointestinal cancer (RR = 0.79), urologic cancer (RR = 0.88) and hematologic malignancies (RR = 0.87). The most striking association was observed for gastrointestinal cancer risk, which showed a risk reduction of 21%.

It was concluded that Metformin may be associated with a decreased risk of many cancer types, and there appears a striking association between Metformin and reduced risk for gastrointestinal cancers. The researchers added that additional studies in populations without diabetes are needed to better understand the utility of Metformin in cancer prevention.

Association of metformin use and cancer incidence: a systematic review and meta-analysis. O’Connor L, Bailey-Whyte M, Bhattacharya M, et al. JNCI:Journal of the National Cancer Institute, djae021, https://doi.org/10.1093/jnci/djae021. 30 January 2024.

Late Breaking Abstract: ASH – 2023: Pomalidomide Reduces Epistaxis and Improves Quality of Life in Hereditary Hemorrhagic Telangiectasia

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SUMMARY: Hereditary Hemorrhagic Telangiectasia (HHT) is an Autosomal Dominant inherited disorder caused by mutations in regulators of angiogenesis. Also known as Osler-Weber-Rendu syndrome, HHT is the second most common inherited bleeding disorder after Von Willebrand Disease, with an estimated prevalence of 1 in 5000. HHT presents with a triad of recurrent epistaxis with iron deficiency anemia, mucocutaneous telangiectasias, and visceral arteriovenous malformations (AVMs) and in more severe cases, patients may experience life-threatening hemorrhage, stroke, or high-output heart failure, requiring hospitalizations, with a negative impact on Quality of Life (QOL). HHT is caused by disruptions in angiogenesis signaling, resulting in impaired vascular development. Three genes in the Transforming Growth Factor-beta (TGF-β) signaling pathway have been implicated and they include Endoglin (ENG), activin A receptor ligand type I (ACVRL1 or ALK-1), and SMAD family member 4 (MADH4 or SMAD4).

Small non-randomized studies suggested that systemic antiangiogenic agent Bevacizumab or immunomodulatory drugs with antiangiogenic properties such as Thalidomide, Lenalidomide, and Pomalidomide may be effective in treating HHT. There are presently no FDA approved therapies for HHT.

PATH-HHT is a randomized, placebo-controlled, multicenter clinical trial, conducted in the US to determine the safety and efficacy of Pomalidomide, for bleeding in HHT. In this study, 144 patients (N=144) diagnosed with HHT were randomly assigned in a 2:1 ratio to receive either Pomalidomide 4 mg orally daily or a matching placebo, for a duration of six months. Pomalidomide, instead of another immunomodulatory drug, was chosen due to its favorable safety profile. Eligibility criteria included a confirmed HHT diagnosis per Curaçao Diagnostic Criteria, documented anemia, and an Epistaxis Severity Score (ESS) of 3 or more over the prior 3 months. Epistaxis Severity Score (ESS) was developed to self- describe epistaxis severity from 0-10, with 10 representing the most severe epistaxis. Mild is ESS of 1-4, moderate is ESS of 4-7 and Severe is ESS of 7-10. The mean age was 59 years and 48% were female. Among the 134 patients who agreed to genetic testing, ENG mutations were detected in 37%, ACVRL1 in 51%, and SMAD4 in 1%. Patients had a mean ESS of 5 at baseline, and mean daily epistaxis duration of 16 minutes. In the preceding 6 months, 84% of patients had required iron infusions and 19% required blood transfusions. More than a third of the patients also had GI bleeding, and 40% had pulmonary AVMs. The Primary endpoint of the study was the change in Epistaxis Severity Score (ESS), from baseline to the end of the six-month treatment period. Secondary endpoints included changes in the average daily self-reported duration of epistaxis from the 4 weeks preceding the baseline visit to weeks 20-24 of treatment, the amount of parenteral iron infused or blood transfused, and change in Quality-of-Life (QOL) measurements, including an HHT-specific QOL score.

The results of this study showed that treatment with Pomalidomide led to a significant reduction in epistaxis severity compared to placebo. The mean ESS decreased by -1.84 in the Pomalidomide group versus -0.89 in the placebo group at 24 weeks (P=0.003). This benefit was seen as early as week 12. Additionally, patients treated with Pomalidomide reported greater improvements in Quality of Life (QOL) related to HHT. The HHT-specific QOL score (ranges from 0-16 with higher scores indicating more limitations) also decreased more in the Pomalidomide group versus the placebo group at 24 weeks (P=0.015). Adverse events were more common in the Pomalidomide group and included mild to moderate neutropenia (45% versus 10%), constipation/diarrhea (60% versus 37%), and rash (36% versus 10%).

It was concluded from this largest HHT study that treatment with Pomalidomide demonstrated a significant and highly clinically relevant reduction in epistaxis, as well as an improvement in the HHT-specific QOL score. Pomalidomide holds promise as a therapeutic option for patients with HHT, addressing an unmet medical need, in managing this challenging genetic disorder. Additional studies may identify biomarkers predicting responses to Pomalidomide.

PATH-HHT, a Double-Blind, Randomized, Placebo-Controlled Trial in Hereditary Hemorrhagic Telangiectasia Demonstrates That Pomalidomide Reduces Epistaxis and Improves Quality of Life. Al-Samkari H, Kasthuri RS, Iyer V, et al. Blood (2023) 142 (Supplement 2): LBA-3. https://doi.org/10.1182/blood-2023-191983.

ROZLYTREK® (Entrectinib)

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The FDA on October 20, 2023, granted accelerated approval to ROZLYTREK® for pediatric patients older than 1 month with solid tumors that have a Neurotrophic Tyrosine Receptor Kinase (NTRK) gene fusion without a known acquired resistance mutation, are metastatic or where surgical resection is likely to result in severe morbidity, and have progressed following treatment or have no satisfactory standard therapy. In August 2019, FDA granted accelerated approval to ROZLYTREK® for pediatric patients 12 years of age and older for this indication. ROZLYTREK® is a product of Genentech Inc.

TEMODAR® (Temozolomide)

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The FDA on September 14, 2023, approved updated labeling for TEMODAR® under Project Renewal, an Oncology Center of Excellence (OCE) initiative aimed at updating labeling information for older oncology drugs to ensure information is clinically meaningful and scientifically up-to-date. This is the second drug to receive a labeling update under this pilot program. The first drug that received approval under Project Renewal was XELODA® (Capecitabine). TEMODAR® is a product of Merck & Co., Inc..

HEPZATO® KIT (Melphalan for Injection/Hepatic Delivery System)

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The FDA on August 14, 2023, approved HEPZATO® KIT as a liver-directed treatment for adult patients with uveal melanoma with unresectable hepatic metastases affecting less than 50% of the liver and no extrahepatic disease, or extrahepatic disease limited to the bone, lymph nodes, subcutaneous tissues, or lung that is amenable to resection or radiation. HEPZATO® is a product of Delcath Systems, Inc.

Single Blood Test for Multi-Cancer Early Detection

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SUMMARY: The American Cancer Society estimates that in 2023, 1,958,310 new cancer cases and 609,820 cancer deaths are projected to occur in the United States. Although cancer mortality rates continue to decline with advances in treatment, improving early detection can reduce disease and treatment-related morbidity, improve treatment outcomes, quality of life and reduce financial burden both for the patient as well as the society as a whole. Currently the USPSTF (Unites States Preventive Services Task Force) and ACS (American Cancer Society) recommend screening for breast, cervical, colorectal, and lung cancers. Neither the ACS nor USPSTF have specific recommendations for prostate cancer screening. These cancers collectively account for only 42% of annual cancer incidence in people aged 50-79 years. It has been estimated that detection of cancer at an earlier stage could reduce cancer-related deaths by 15% or more within 5 years. Some of the available screening tests reduce cancer-specific mortality, but are associated with high false-positive rates, overdiagnosis, and overtreatment.

Galleri is a Multi-Cancer Early Detection (MCED) test developed for the early detection of multiple asymptomatic cancers that lack recommended screening tests, using a blood sample. DNA (cell free DNA) is shed into the blood stream both by tumor cells as well as healthy cells. The Galleri test uses Next Generation Sequencing (NGS) and machine-learning algorithms to isolate cell-free DNA and analyze more than 100,000 DNA regions and over a million specific DNA sites, to screen for a signal shared by cancers. The test looks for cell-free DNA and identifies whether it comes from healthy or cancer cells. DNA from cancer cells has specific methylation patterns that identify it as a cancer signal. Methylation patterns also contain information about the tissue type or organ associated with the cancer signal. So, once a cancer signal is detected, the Galleri test predicts the Cancer Signal Origin, or the tissue or organ where the cancer signal originated, to help guide diagnostic evaluation. The Galleri test is recommended for use in adults with an elevated risk for cancer, such as those aged 50 or older, and should be used in addition to routine cancer screening tests. Galleri is not recommended in individuals who are pregnant, 21 years old or younger, or undergoing active cancer treatment.

A validation study (Circulating Cell-free Genome Atlas study-CCGA) was conducted to evaluate the accuracy of the Galleri test. This study included 2,823 people with a known diagnosis of cancer and 1,254 healthy people. The overall Sensitivity for cancer signal detection was 51.5% and the Specificity was 99.5%. The sensitivity of the test increased with advanced cancer stages. Cancer signals were detected across over 50 cancer types and the overall accuracy of predicting Cancer Signal Origin in those who tested true positive was 88.7% (Ann Oncol. 2021;32:1167-1177).

PATHFINDER was a pilot, prospective cohort study conducted to investigate the feasibility of MCED testing for cancer screening. This study included 6,621 participants from oncology and primary care outpatient clinics at seven U.S. health networks who underwent MCED blood testing. Participants were 50 years or older, with no signs or symptoms of cancer, and majority were women (63.5%) and White (91.7%). Approximately 56% of participants had additional risk factors such as smoking, germline cancer predisposition, or personal history of treated cancer. The Primary outcome was time to diagnosis, and extent of diagnostic testing required to confirm the presence or absence of cancer.

MCED testing detected a cancer signal in 1.4% of the total patient sample of whom 38% had cancer confirmed (true positives), while 62% had no cancer (false positives). In patients in whom no cancer signal was detected, 95.5% were true negatives, 1.3% was false negatives, and 3.2% did not have cancer-status assessment at the end of the study. The tests accuracy in predicting the primary cancer location (Cancer Signal Origin) among the true positives was high at 97%. The median time to achieving a diagnostic resolution was 79 days, 57 days in true-positive patients and 162 days in false-positive ones. Fewer procedures were done in participants with false-positive results compared to true-positive results (30% versus 82% respectively) and few participants had surgery (one with a false-positive result and three with a true-positive result).

Among participants whose testing was true-positive and who had a confirmed new cancer diagnosis, nearly half (48%) were detected at an early stage (Stage I-II) when the potential for curative treatment is increased. Further, 74% of the MCED-detected cancers were cancer types that do not currently have USPSTF screening recommendations. These included cancers of the bile duct, pancreas, small intestine, and spindle cell neoplasm, which are all associated with high mortality rates and may be amenable to surgical resection at early stages.

In the 12 months study period, 121 cancers were diagnosed, of whom 29% had a cancer signal detected by MCED, while 31% were detected thru screening and 40% were detected clinically. The overall Positive Predictive Value of MCED was 38%, Negative Predictive Value was 98.6%, and specificity was 99.1%. The cancer yield rate was 0.53% (number needed to screen to find one MCED-detected cancer was 189).

The researchers concluded that this study demonstrates the feasibility of screening for multiple cancers using a blood test and lays the foundation for large, controlled trials necessary to establish clinical utility and cost-effectiveness. Multi Cancer Early Detection test was also able to accurately predict tumor origin, and the diagnosis of cancer was established in less than 2 months in the true-positive patients.

Blood-based tests for multicancer early detection (PATHFINDER): a prospective cohort study. Schrag D, Beer TM, McDonnell CH, et al. The Lancet 2023;402:1251-1260.

Non-Hormonal Treatments for Menopausal Symptoms – NA Menopause Society 2023 Position Statement

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SUMMARY: It is estimated that the 50 million women will attain menopause annually. Natural menopause occurs in women between age 49-52 years. Vasomotor symptoms (VMS) manifesting as hot flashes and night sweats are the most common symptoms of menopause. These symptoms occur in up to 80% of menopausal women lasting from 7-10 years and sometimes even longer, significantly impacting their quality of life. Compared to other ethnic groups, menopausal symptoms tend to be less severe in Asian women and more severe in African American women.

Hormone Replacement Therapy remains the most effective treatment and should be considered in menopausal women younger than 60 years, within 10 years of their final menstrual periods, with no contraindications. However, the use of Hormone Replacement Therapy has declined substantially, following the Women’s Health Initiative (WHI) hormone therapy trials recommendation, not to prescribe menopausal hormone therapy for chronic disease prevention due to the complex pattern of risks and benefits, including increases in invasive breast cancer, stroke and pulmonary embolism.

Nonhormonal interventions have therefore been important considerations for symptomatic menopausal women. The North American Menopause Society convened an advisory panel of clinicians and research experts in the field of women’s health, to review and evaluate the literature published after the Position Statement of The North American Menopause Society in 2015.

This advisory panel assessed the most current and available literature to recommend or not recommend use, with the level of evidence assigned, on the basis of these categories:

• Level I: Good and consistent scientific evidence.
• Level II: Limited or inconsistent scientific evidence.
• Level III: Consensus and expert opinion

The following are the evidence-based updated guidelines:

Level I
Cognitive-Behavioral Therapy: CBT has been shown to reduce the bother and interference associated with VMS.
Clinical hypnosis: Clinical hypnosis has been shown to reduce VMS frequency and severity.
Selective Serotonin Reuptake Inhibitors (SSRIs)/ Serotonin-Norepinephrine Reuptake Inhibitors (SNRIs): SSRIs and SNRIs are associated with mild to moderate improvements in vasomotor symptoms.
SSRIs: Paroxetine 7.5 mg daily is approved by the FDA for the treatment of moderate to severe vasomotor symptoms. Paroxetine however should be avoided in women taking Tamoxifen to treat or prevent breast cancer. Other SSRIs include Citalopram and Escitalopram which have less of an effect on the CYP2D6 enzyme.
SNRIs: Venlafaxine may be a safer choice in women using Tamoxifen as coadministration of SSRIs such as Paroxetine or Fluoxetine with Tamoxifen may lead to inhibition of CYP2D6 (the enzyme that converts Tamoxifen to its most active metabolite, endoxifen).
Gabapentin: Gabapentin is approved by the FDA as an antiepileptic drug, and is often used to treat diabetic neuropathy and postherpetic neuralgia. However, several trials studying the dose of 900 mg (300 mg three times/day) show that this has improved the frequency and severity of vasomotor symptoms.
Fezolinetant (VEOZAH®): Fezolinetant is a first-in-class neurokinin B antagonist that is FDA approved for management of vasomotor symptoms. It modulates the neuronal activity in the thermoregulatory center of the brain.
Oxybutynin: Oxybutynin is an antimuscarinic, anticholinergic therapy that is used for the treatment of overactive bladder and urinary urge incontinence. Oxybutynin has been shown to reduce moderate to severe vasomotor symptoms, although in older adults, long-term use may be associated with cognitive decline
Pregabalin and Clonidine are not recommended for vasomotor symptoms

Level II-III
Weight Loss: The limited available evidence suggests that weight loss may be used to improve vasomotor symptoms for some women.
Stellate ganglion blockade: This procedure is a widely used to treat migraine and complex regional pain syndrome by injecting an anesthetic agent at the lower cervical or upper thoracic region. This blockade might help alleviate moderate to very severe vasomotor symptoms in select women. Because of the potential risks and adverse events, its potential use for vasomotor symptoms should be carefully evaluated.

The following interventions have NOT BEEN PROVEN beneficial and NOT RECOMMENDED interventions:
Paced respiration, Supplements/Herbal remedies, avoiding triggers such as alcohol, caffeine, spicy foods or hot foods, Cooling techniques, Exercise, Yoga, Mindfulness-based intervention such as meditation, Relaxation, Suvorexant, Soy foods and Soy extracts, Soy metabolite equol, Cannabinoids, Acupuncture, Calibration of neural oscillations, Chiropractic interventions, and Dietary modification.

The panel concluded that the most effective treatment for vasomotor symptoms is hormonal therapy and should be considered in menopausal women within 10 years of their final menstrual periods. For women who are not candidates for hormone therapy because of contraindications (estrogen-dependent cancers or cardiovascular disease) or personal preference, it is important for healthcare professionals to be well informed about the evidence-based nonhormone treatment options, for reducing vasomotor symptoms.

NAMS POSITION STATEMENT: The 2023 nonhormone therapy position statement of The North American Menopause Society. Menopause: The Journal of The North American Menopause Society 2023;30:573-590. DOI: 10.1097/GME.0000000000002200