Naltrexone & Bupropion: Weight Loss Treatment

Patience is crucial, as the most sustainable weight loss often happens gradually and consistently over time. Regular follow-ups with a doctor are advisable to ensure safe usage and address any concerns related to side effects during the treatment process. Patients should be aware of this risk and report any unusual symptoms to their healthcare provider immediately. Bupropion hydrochloride extended-release tablets (SR) can cause seizure. In many postmarketing cases, resolution of symptoms after discontinuation of bupropion was reported. Observe patients for the occurrence of neuropsychiatric adverse events. Neuropsychiatric adverse events occurred in patients without and with pre-existing psychiatric disease; some patients experienced worsening of their psychiatric illnesses. Depression, rarely including suicidal ideation, has been reported in smokers undergoing a smoking cessation attempt without medication. Both medications require a prescription, and need to be taken in conjunction with healthy diet and physical activity. The medication can be particularly helpful for individuals who struggle with both depression and weight management, and those who tend to overeat due to emotional triggers or cravings, Dr. Al-Barwani notes. One of the most popular—Ozempic—is a type 2 diabetes drug that’s often prescribed off-label for weight loss. Always consult with a knowledgeable healthcare professional to determine if bupropion may be a good option for you. Additionally, naltrexone/bupropion may potentiate weight loss by affecting the brain's reward system, influencing our eating habits by changing how much we value food. The exact way naltrexone/bupropion helps with weight loss is still not fully understood. As a result, medications have emerged as a valuable tool in supporting weight loss efforts. It’s crucial to combine bupropion with a healthy diet and regular exercise to achieve optimal weight loss results. Additionally, bupropion may increase the risk of seizures when taken with certain medications, such as anti-anxiety drugs. Some researchers suggest that a higher dosage of bupropion may be necessary for weight loss, but this may also increase the risk of side effects. However, studies on bupropion for weight loss have used a range of dosages, from 150 mg to 400 mg per day. The FDA has not approved bupropion as a weight loss medication, and its use for this purpose is considered off-label.

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People Also Ask

When you try to quit smoking, with or without bupropion, you may have symptoms that may be due to nicotine withdrawal, including Antidepressant medicines have other side effects. It is important to discuss all the risks of treating depression and also the risks of not treating it. Antidepressants are medicines used to treat depression and other illnesses. Antidepressant medicines may increase the risk of suicidal thoughts or actions in some children, teenagers, or young adults within the first few months of treatment. The first is a potential pharmacokinetic effect wherein coprescribing will change the plasma protein binding and availability of the drugs; thus, additional effects might arise solely through an effective increase in the unbound and active level of one or other, or both, drugs. The issue of bupropion’s novel pharmacology is also one of the primary reasons behind many of coprescribing studies, with the consideration that its differing mechanism of action might compliment, or enhance, another drug. For approximately half of the patients, the desire to avoid weight gain or sexual dysfunction was reported as a reason for choosing bupropion.
  • By 3 months, three patients discontinued for gastrointestinal side effects, tremor, and irritability respectively.
  • We, however, did not observe significant weight loss as an effect of treatment.
  • Bares and colleagues compared the efficacy of antidepressant monotherapy (ADM) with combinational antidepressant (CAD) treatment in 60 inpatients with treatment-resistant depression (TRD) in a randomized 6-week open-label study Bares et al. 2013.
  • This combination was widely used before fenfluramine was banned from the market in 1997 due to increased risk of valvulopathy and primary pulmonary hypertension .
  • Some drugs normally taken for high blood pressure, like clonidine (Kapvay) and guanfacine HCl (Tenex), may help control symptoms of the disorder.
  • Antidepressant medicines may increase the risk of suicidal thoughts or actions in some children, teenagers, or young adults within the first few months of treatment.
  • Both groups showed a similar body-weight loss but the pharmacological treated group lost 68% more fat and better maintained lean mass, so this additive effect could be attributed to the pharmacological effect and not to calorie restriction.
  • Considerable weight loss afterbariatric surgery corresponds to high rates of remission of hypertension.
  • Do not double or increase your normal dose.
  • Wellbutrin SR is another extended-release version bupropion, but is generally dosed twice-daily (versus the once-daily dosing of Wellbutrin XL) and comes in different strengths.
In particular, bupropion should not be taken with certain medications, such as MAOIs, due to the risk of serious side effects. On average, individuals taking bupropion for weight loss can expect to lose around 2-5% of their initial body weight over a period of 6-12 months. Studies have shown that bupropion can be an effective aid for weight loss, particularly when combined with a healthy diet and regular exercise. Additionally, it’s important to combine bupropion with a healthy diet and regular exercise to achieve optimal weight loss results. However, it is necessary to monitor for results and side effects to ensure it is safe to continue bupropion long-term. Aayu Well’s trusted providers are knowledgeable in treating mental health conditions and obesity, so they are a great source of trusted advice Seasonal affective disorder includes seasonal recurrences of depression in patients with MDD, bipolar I disorder, or bipolar 2 disorder. Understanding its benefits in this context is crucial for anyone considering it for weight loss. Because of these potential side effects, bupropion should only be taken under medical supervision for its approved indications. While bupropion can lead to weight reduction, it is not recommended to take a bupropion-containing antidepressant solely for this reason. This being said, it is important to note that bupropion is not approved as a standalone weight-loss medicine. Are breastfeeding or plan to breastfeed during treatment with bupropion hydrochloride tablets. Work with your healthcare provider to decide whether you should continue to take bupropion. Talk to the healthcare provider about the side effects of the medicine prescribed for you or your family member. At present, orlistat, an intestinal lipase inhibitor, is the only long-term antiobesity drug approved by both the European Medicines Agency and the US Food and Drug Administration (FDA) in the USA.8 Phentermine, diethylpropion (amfepramone), benzphetamine, and phendimetrazine, all of them amphetamine-like analogs that increase the release of norepinephrine, are also approved in the USA as antiobesity agents for the short-term treatment of obesity. It is not therefore surprising that antiobesity drug-discovery programs have finished with failures in clinical development and withdrawals due to adverse effects. The systematic review presented here focuses on naltrexone sustained-release/bupropion sustained-release combination (Contrave®). Wellbutrin has the potential to cause weight loss in some individuals due to its effects on appetite and metabolism. It is important to discuss any concerns or goals regarding weight with a healthcare professional. Lifestyle changes can bring a slight metabolic boost and health benefits Slight increases are somewhat common from either the medication or changed habits The effect on appetite is connected to the neurotransmitters (or chemical messengers) in your brain that bupropion influences, explains Dr. Maline. Most usually lead to weight gain over time, even if there is an initial drop. But as with any medication, results vary from person to person, he notes.
  • For the patients who persisted on naltrexone-bupropion treatment, they were able to achieve a mean of 10% body weight loss (Supplementary Table 2).
  • The first pass of naltrexone’s metabolism is 5–40% oral bioavailability.
  • Even the milder Bupropion side effects can be unpleasant.
  • Bupropion is an antidepressant medication that has been prescribed off-label for weight loss.
  • The quest for effective weight loss solutions has led to the exploration of various medications, one of which is Bupropion HCL XL.
  • A two-way ANOVA was implemented in SPM8 to model the effects of group (NB32, PLB) and time (baseline, 1 month later) on FCDM and seed-based FC.
  • Every individual body has its own chemistry.
  • •Limit or avoid using alcohol during treatment with bupropion hydrochloride tablets.
A mixed model was used to estimate the rate of weight gain over 1 year, with citalopram serving as a reference group. New users of various antidepressants (defined as those without prior recorded treatment) between the ages of 18 and 65 were identified. Blumenthal and colleagues report a pharmacoepidemiological analysis using electronic health records from the Partners HealthCare electronic record, a database containing data from hospitals as well as from community and specialty outpatient clinics that comprise the Partners HealthCare system in Boston, Massachusetts. Generalisability to real-world settings and realistic durations of treatment are therefore questionable. This review focuses on the four studies, their outcomes and the mechanism of action of Contrave. A single-blind RCT Gulrez et al. 2012 evaluated 60 outpatients showing a partial response on SSRIs (escitalopram 10–30 mg/day, citalopram 20–60 mg/day, paroxetine 25–75 mg/day and sertraline 50–200 mg/day; all on treatment for 4 weeks). Although a similar percentage of patients were categorized as responders (60–70%) and remitters (30–40%), there were no statistical differences between the treatment groups or from baseline to study endpoint (week 6). In some studies mean severity scores were trending downward at the end of treatment, suggesting there was potential for patients to achieve remission if treatment phases were extended. The effects of bupropion alone and combined with naltrexone on weight loss: a systematic review and meta-regression analysis of randomized controlled trials Diabetology & Metabolic Syndrome Springer Nature Link • Do not take any other medicines while taking bupropion hydrochloride tablets unless your healthcare provider has told you it is okay. •Take bupropion hydrochloride tablets exactly as prescribed by your healthcare provider. What should I tell my healthcare provider before taking bupropion hydrochloride tablets? Stop taking bupropion hydrochloride tablets and call your healthcare provider right awayif you get a rash, itching, hives, fever, swollen lymph glands, painful sores in the mouth or around the eyes, swelling of the lips or tongue, chest pain, or have trouble breathing. If you have a seizure while taking bupropion hydrochloride tablets, stop taking the tablets and call your healthcare provider right away.Do not take bupropion hydrochloride tablets again if you have a seizure. Do not take any other medicines while you are taking bupropion hydrochloride tablets unless your healthcare provider has said it is okay to take them. ” and “What should I tell my healthcare provider before taking bupropion hydrochloride tablets? Work with your healthcare provider to decide whether you should continue to take bupropion hydrochloride tablets. Nu Image Medical may not offer the medications or services mentioned in this article. Feelings of hunger disappear for many people when taking Wellbutrin, which is why it aids in weight loss. As with any medication, Wellbutrin comes with its own set of negative side effects. Those who take sedatives for epilepsy should not take the drug, as Wellbutrin can exacerbate epilepsy or make antiseizure medication less effective. As I kept taking it it started to wear off from the effects. I am disappointed as this was prescribed on my first visit ever to a psychiatrist for anxiety & depression. I have high blood pressure and one of the meds I am on for my BP shows possible interaction with this medication (Bupropion). After 2 days I am never talking this medication ever again. I am happy to report that after researching and trialing Wellbutrin, it has lifted my depression and mood, increased my energy and sharpened both my mind and memory.

How soon will I see weight loss results with Wellbutrin?

  • It gives energy, avoids weight gain, and doesn`t kill your sex drive.
  • Many of these symptoms have been shown to decrease over time as patients develop increased tolerance .
  • If you develop a rash, stop Contrave and call your healthcare provider right away.
  • EG is an employee of Currax Pharmaceuticals LLC during the conduct of this study, outside of the submitted work.
  • It might also interfere with their participation in lifestyle weight interventions.
  • At the first clinic appointment, prior to administration of the medication, all participants retrospectively self-reported the frequency of binge episodes occurring over the previous 7 days using EDE definitions.
  • Unlike selective serotonin reuptake inhibitors (SSRIs) such as Zoloft-related weight gain, bupropion generally trends the other way.
  • Tell your healthcare provider right away if you have any of the following symptoms, or if you have been told by others you have these symptoms.
  • Our findings do not support bupropion as a stand-alone treatment for BED.
It is encouraging that a number of drugs which individually lead to modest weight loss, have positive results when used in combination, even though currently released studies are in initial stages and/or still linked to pharmaceutical industries. Medical therapy appear as an important treatment modality, but drugs most studied to date show modest results for sustained weight loss when compared with bariatric surgery, which is, however, still reserved for a selected group of patients. Another clinical series involving 100 subjects showed 5% weight loss after four weeks using this combination and 18% after six months in patients who had not discontinued . At the end of the study, weight loss was similar for the combinations of pramlintide/sibutramine (11.3 ± 1.2 kg) and pramlintide/phentermine (11.3 ± 0.9 kg) and significantly greater than that observed for pramlintide alone (3.6 ± 0.7 kg) and placebo (2.1 ± 0.9 kg). This review focuses on current treatment with the combination of naltrexone/bupropion SR (Contrave®; Orexigen Therapeutics, La Jolla, CA, USA) that was turned down by the FDA owing to potential cardiovascular risk. Nevertheless, body-weight control achieved using these drugs is far from the sustained weight loss and its consequent amelioration of comorbidities following any of the bariatric surgical procedures.9 Traditional treatments based on lifestyle modification by changing patterns of diet and increasing physical activity are usually the first and basic steps in obesity treatment, but, in most cases, these only produce short-term weight loss. Wellbutrin, when used in combination with these healthy habits, may support weight loss efforts for local clients seeking a comprehensive approach to achieving their weight goals.
Rare but serious side effects
  • Since the indications are similar with bariatric surgery, medication treatment can be attempted as a last resort before surgery.28 For patients who have never tried behavioral intervention and dieting, an effort should be made first with these interventions before medication is started, since some people will never need the medication support.29
  • In this study, phentermine-topiramate ER was used for patients with an abnormal satiation phenotype 51,52, NB-ER for patients with obesity and an emotional eating phenotype , , , liraglutide for patients with abnormal postprandial satiety 51,52, and low-dose phentermine for patients with abnormal resting energy expenditure 51,52.
  • There has been very minimal evidence-based research that links weight gain to Wellbutrin.
  • There are no data to support p.r.n. use of bupropion, and given the pharmacology and pharmacokinetics/dynamics of bupropion, p.r.n. dosing would be considered inappropriate.
  • There are no known significant drug–drug interactions involving naltrexone.
  • Do not take bupropion hydrochloride tablets again if you have a seizure.
  • Do not start bupropion hydrochloride tablets in a patient who is being treated with a reversible MAOI such as linezolid or intravenous methylene blue.
  • In clinical trials, weight gain was reported by around 3-6% of people taking bupropion, although the magnitude of the weight gain was typically small (less than 5 kg).
  • Contact your healthcare provider if you think you are having a side effect of a medicine.
Common weight loss medications include orlistat, phentermine, and newer agents such as GLP-1 receptor agonists, which work through various mechanisms to reduce appetite and promote satiety. Some studies suggest that bupropion may be effective for weight maintenance in individuals who have successfully lost weight as part of a comprehensive treatment plan. The long-term use of bupropion for weight management is a topic of ongoing research and discussion among healthcare professionals.
Improved Mental Health
Is bupropion SR the same as Wellbutrin? These researchers also found that most antidepressant medications have been linked to weight gain. Group Health researchers have found that bupropion (marketed as Wellbutrin) is the only antidepressant that tends to be linked to long-term modest weight loss. Lorcaserin may be asuitable drug for the small percentage of patients who achieve ≥5% weightloss with it in the first 3 months, as these initial responders seem to have agreater chance of continued success. For all other drugs, the results are basedon pooled data of phase 3 RCTs in patients with obesity without diabetes asdrawn from the FDA advisory committee briefing documents . Four drugs– phentermine, diethylpropion, phendimetrazine, and benzphetamine –have been available in the US for over 5 decades for short-term treatment ofobesity. These are consistent with results from past studies Bouwer and Harvey, 1996; Deshmukh and Franco, 2003; Wise et al. 2006; Ranjbar et al. 2013. The average BMI increase was slight and similar on sertraline, citalopram, fluoxetine and duloxetine treatment. Paroxetine showed the highest increase in BMI, a result consistent with previous studies Aberg-Wistedt et al. 2000; Pae and Patkar, 2007.

A Healthy Approach to Weight Loss

Bupropion SR for Weight Loss: 150mg “Each individual will have a unique experience with weight loss treatment. Complete our online consultation, which
asks questions about your health history,
weight goals, and medication preferences. If appropriate, you will be prescribed a combination of medications, usually starting with Bupropion HCL SR and Naltrexone HCL. In phase 3 clinical studies, nausea occurred in significantly higher proportions of subjects randomized to NB vs. placebo (PBO). Despite being generally well-tolerated by patients, there are potential adverse effects of taking Wellbutrin. Wellbutrin is an antidepressant that is also used to promote weight loss, compared to other antidepressants which have not been shown to produce this effect. Bupropion hydrochloride tablets USP are indicated for the treatment of major depressive disorder (MDD), as defined by the Diagnostic and Statistical Manual (DSM). (4, 7.6) •Known hypersensitivity to bupropion or other ingredients of bupropion hydrochloride tablets. In addition, do not start bupropion hydrochloride tablets in a patient who is being treated with linezolid or intravenous methylene blue. Do not use bupropion hydrochloride tablets within 14 days of stopping an MAOI intended to treat psychiatric disorders. A healthcare professional will be able to assess any potential interactions and recommend alternative medications or dosages as needed. It’s essential to consult with a healthcare professional to determine the appropriate dosage and to discuss any potential interactions with other medications. Studies have shown that bupropion can lead to significant weight loss, especially when combined with a healthy diet and regular exercise. It primarily affects the neurotransmitters dopamine and norepinephrine, making it popular for those dealing with depression or trying to quit smoking. When it comes to discussing the relationship between Wellbutrin and weight change, there’s a lot more than meets the eye! Each person’s experience may vary, but knowing what to expect can empower you in your mental health journey. Strap in as we dive into the facts and debunk some myths related to Wellbutrin and weight!
  • They’ll also review other medications you take, since bupropion can interact with certain antidepressants, ADHD medications, or substances that lower seizure threshold.
  • Overall, the placebo group had 102 events, compared to 90 with bupropion plus naltrexone.
  • Severe Allergic ReactionsEducate patients on the symptoms of hypersensitivity and to discontinue bupropion hydrochloride extended-release tablets (SR) if they have a severe allergic reaction.
  • Pre‐clinical evidence suggests that bupropion stimulates hypothalamic pro‐opiomelanocortin (POMC) neurons, with downstream effects that modulate food intake and energy expenditure 5.
  • Obesity guidelines have been published to provide guidance on lifestyle modifications and use of pharmacologic treatment.
  • In this review, anti-obesity drug combinations in general will be discussed, covering those already studied, those still awaiting final results to be released and also those which are used empirically in clinical practice.
  • Bupropion is a norepinephrine and dopamine reuptake inhibitor without significant serotonergic effects.
  • For a medication to be approved for weight loss by the FDA, the medication should meet specific criteria.7 The criteria were created due to withdrawal of medications, such as sibutramine, or failure of developing medications to reach market.
As such, while Wellbutrin might aid weight loss for some patients, it should not be considered a primary weight loss medication. Determining the right dosage of Wellbutrin for weight loss is crucial and should always be done under the guidance of a healthcare professional. When first-line options provide unsatisfactory results, Contrave may serve as a valuable treatment adjunct to lifestyle modifications by promoting satiety, reducing feeding, enhancing energy expenditure, and ultimately helping patients achieve weight loss goals. A reduction in mHDRS scores was reported for both active treatment groups; however, for each point more severe at mHDRS baseline, symptoms were 0.46 points lower with paroxetine by week 8. These two trials, plus work by Reimherr and colleagues Reimherr et al. 1998 reported that individuals on bupropion showed significantly greater improvement on CGI-S and CGI-I scores. Both groups demonstrated a ⩾50% improvement in HAM-D scores from week 6 to study endpoint (week 16) with no statistical between-group difference on the HAM-D, CGI-S or CGI-I. This is surprising given a statistically significant response rate was achieved in the pooled analysis for bupropion. In this study the primary outcome measure was time to relapse, defined as the prescription of a new antidepressant or the use of electroconvulsive therapy (ECT) and the study did not report additional data on changes in HAM-D scores. Branded bupropion/naltrexone was cost-effective at higher thresholds only. A Markov model with a US health care sector perspective was developed to compare the cost and quality-adjusted life-years gained across the 5 weight management strategies. Because the chronic management of obesity is likely to require lifelong pharmacotherapy for most people, the lack of long-term follow-up reduces certainty in long-term efficacy, harms, and potential off-target benefits, such as a decrease in cardiovascular events with GLP-1 agonists, as seen in the treatment of diabetes.
  • If you experience any side effects, it’s important to notify your healthcare professional right away.
  • If you experience any new or worsening mental health symptoms, physical changes, or side effects that concern you, contact your healthcare provider right away.
  • Whether you’re looking to lose weight or just maintain your current figure, there are some fun strategies to help you along the way.
  • “I built healthy habits with coaching and lessons that make me confident I can maintain my weight loss long term.”
  • Naltrexone-Bupropion (NB) is sought to be a favorable medication in obese patients with or without concurrent psychiatric illness.
  • I was prescribed Bupropion SR for managing my depression, but I was pleasantly surprised when I also noticed some weight loss.
  • If it is less than four hours to your next dose, take only that dose and skip the missed dose.
Mixed effects models also have the capacity to test and account for individual difference contributions to the treatment outcome 46–48. The Bupropion-SR 300 mg/day schedule consisted of Bupropion-SR 150 mg tablets taken once daily for the first 3 days, then taken twice daily for study days 4–56. This randomized double-blind treatment trial was designed to test the efficacy of bupropion-only without any additional dietary or lifestyle intervention. A history of anorexia nervosa or bulimia nervosa was an exclusion due to previous research showing elevated risk of grand mal seizure among bulimic patients taking bupropion . Secondary hypotheses were that compared to placebo, bupropion would produce greater reductions in negative mood, food cravings, and eating disorder psychopathology. This study was approved by the research council and Ethics Committee of Tehran University of Medical Sciences, Tehran, Iran. Evidence based on recent data suggested that it is possible for majority of the people who lose their weight, to maintain their weight for a longer duration . This data is supported by a meta-analysis, which reported that 50% of lost weight was regained in 2 years and 80% of lost weight was regained in 5 years . However, meta-regression analysis did not show a significant linear relationship between dose and duration of intervention with changes in waist circumference.
  • However, it is critical to take into consideration any preexisting conditions that may have a negative impact on your health.
  • Bupropion is thought to increase metabolism by stimulating the body’s thermogenic response.
  • Discontinue bupropion hydrochloride tablets and do not restart treatment if the patient experiences a seizure.
  • Conversely, at least 14 days should be allowed after stopping bupropion hydrochloride extended-release tablets (SR) before starting an MAOI antidepressant see Dosage and Administration (2.4,2.5), Contraindications (4) .
  • A greater weight loss was observed with NB32 versus placebo at week 28 (−6.5% vs −1.9%; PRegarding other endpoints, which have mainly been focused on cardiovascular risk markers, the overall effect of the naltrexone/bupropion combination has been positive over lipid profile and insulin resistance. In the COR-II study,48 at week 28, change in low-density lipoprotein was −4.4 versus 0.0 mg/dL, change in triglycerides was −7.3% versus −1.4%, change in high-density lipoprotein (HDL) was +1.2 versus −1.4 mg/dL, and change in homeostatic model assessment-insulin resistance index was −16.4% versus −4.2% for NB32 versus placebo, respectively.
  • The risk of administering methylene blue by non-intravenous routes (such as oral tablets or by local injection) or in intravenous doses much lower than 1 mg/kg with bupropion hydrochloride extended-release tablets (SR) are unclear.
  • Figure 1 shows the pattern of weight loss at each time point throughout the study.
  • However, it has been demonstrated in an antidepressant screening test in mice that hydroxybupropion is one-half as potent as bupropion, while threohydrobupropion and erythrohydrobupropion are 5-fold less potent than bupropion.
Patients who agreed to start naltrexone-bupropion were prescribed the medication after evaluation for contraindications 14, 15. We performed a retrospective cohort study of patients with obesity in the Obesity Clinic of Queen Mary Hospital, Hong Kong SAR. Naltrexone-bupropion combination (Contrave®) is one of the classes of approved anti-obesity pharmacotherapies. Effective anti-obesity pharmacotherapies have emerged in the recent years, which can bring about significant weight loss and help in weight management . Weight measurements and other clinical assessments were performed at months 4 ± 1 and 6 ± 1 of treatment. Concurrent with NB, participants underwent lifestyle modifications that included increased physical activity and a reduced‐calorie diet that adhered to the Canadian Obesity Guidelines, which recommends healthy eating, reduced portion and caloric restriction.18 Caloric reductions were not calculated or recorded. Participants were required to have at least one self‐reported or device‐measured weight value during the 3 months prior to initiating NB, and to have initiated NB therapy during the selection period and attended at least one WMC visit during the follow‐up period. Adults 18 years of age and over with a BMI ≥30 or ≥27 kg/m2 with at least one weight‐related comorbidity were included. Participants also experienced decreased appetite (14.7%), decreased cravings (13.9%), decreased hunger (9.4%) and felt full sooner (2.5%), which are changes likely to result in sustained healthy food choices and improved quality of life. The manufacturer has evaluated various doses of naltrexone combined with fixed doses of bupropion and found that 32 mg of naltrexone is the optimum dose.10,18 The mechanism of action is thought to be through a combination of both medications’ action on food reward. The naltrexone–bupropion combination, when combined with lifestyle intervention and modest calorie reduction, seems to be quite effective for 6-month and 1-year outcomes for clinically significant weight loss (over 5% of total body weight). Although bupropion is not approved for treating obesity, three randomized clinical trials have shown some degree of efficacy for this drug in promoting weight loss in obese patients. In addition to having a higher number of participants completing treatment for up to 52 weeks (5412 for NB, 4786 for placebo] in our study; 2073 1310 for NB, 763 for placebo in Fujioka et al.), we also assessed how long a weight loss of ≥5% and ≥10% could be maintained up to 4 years. Fujioka et al. conducted an integrated exploratory analysis of the four COR studies (COR-I, COR-II, COR-DM, COR-BMOD) to determine weight loss at 1 year for patients who lost at least 2%, 3%, 4%, and 5% of their initial body weight at weeks 8, 12, and 16. These natural alternatives can help suppress appetite, increase metabolism, and enhance fat burning, leading to weight loss. Bupropion is not suitable for everyone, particularly individuals with certain medical conditions or those taking certain medications. In rare cases, bupropion can cause more serious side effects, such as seizures, allergic reactions, and suicidal thoughts. In addition, sibutramine was taken off the European market in 2009 due to the results of the Sibutramine Cardiovascular OUtcomes Trial (SCOUT) which showed increased cardiovascular mortality in patients using the medication in the group with prior cardiovascular disease. Despite this, lifestyle changes proposed in the treatment of obesity are essential and may be effective, but the rates of long term success tend to be low. Our review focuses on the rationale for their use, with advantages and disadvantages; on combinations often used, with or without studies; and on new perspectives of combinations being studied mainly by the pharmaceutical industry. Drugs combinations can be an option for its treatment but, although widely used in clinical practice, very few data are available in literature for its validation. At Nurx, we make it easy to get the expert healthcare you deserve. Bupropion and its metabolites (erythrohydrobupropion, threohydrobupropion, hydroxybupropion) are CYP2D6 inhibitors. Bupropion is primarily metabolized to hydroxybupropion by CYP2B6. Skin and Subcutaneous Tissue Disorders Stevens-Johnson syndrome, angioedema, exfoliative dermatitis, urticaria, acute generalized exanthematous pustulosis, and drug reaction with eosinophilia and systemic symptoms (DRESS). Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. The clinical efficacy of naltrexone/bupropion was compared to each monotherapy and placebo in a multicenter, randomized, double-blind, phase 2 clinical trial . The only medication currently approved for long-term weight loss and maintenance is orlistat. The safety and efficacy of naltrexone/bupropion in weight management is reviewed in this article. Further studies are necessary to determine the effect of naltrexone/bupropion on cardiovascular outcomes. Pregnant or breastfeeding women should also avoid taking bupropion for weight loss, as its safety during pregnancy and breastfeeding has not been established. The FDA has granted approval for a combination of bupropion and naltrexone (Contrave) for weight loss, but this is a different medication than bupropion alone. While bupropion may be a helpful tool in achieving weight loss, it’s crucial to remember that medications should never replace a healthy lifestyle. Concomitant MedicationsCounsel patients to notify their healthcare provider if they are taking or plan to take any prescription or over-the-counter drugs because bupropion hydrochloride extended-release tablets (SR) and other drugs may affect each others’ metabolisms. Instruct patients to discontinue bupropion hydrochloride extended-release tablets (SR) and consult a healthcare provider if they develop an allergic or anaphylactoid/anaphylactic reaction (e.g., skin rash, pruritus, hives, chest pain, edema, and shortness of breath) during treatment. Mindfulness and Stress Management As an antidepressant, bupropion can help improve mood and overall well-being. This reduction in cravings makes it less likely for individuals to indulge in unhealthy eating habits. By enhancing dopamine levels, bupropion can help reduce cravings for high-calorie foods, particularly those rich in sugar and fat. Individuals suffering from depression often experience changes in appetite—some may overeat, while others may lose their appetite entirely. When you first read your leaflet, the short line that says you may take your dose with or without food can feel too vague. This overview gives a broad look at how common bupropion products pair with food. Food mainly influences comfort, not the basic safety of whether the dose reaches your bloodstream. They can assess your medical history, consider potential risks and benefits, and recommend a personalized treatment plan. Our comments section is a place where readers can engage in healthy, productive, lively, and respectful discussions. It isn’t suitable for everyone, says Dr. Al-Barwani, particularly those with a history of seizures, eating disorders, untreated high blood pressure or adverse medication interactions. Additionally, anxiety or restlessness may occur, especially at the beginning of treatment. Common side effects of Wellbutrin include nausea, dry mouth, headache, tinnitus and insomnia, says Dr. Al-Barwani. Do not stop taking bupropion without talking to your doctor. Continue to take bupropion even if you feel well. Swallow the sustained-release and extended-release tablets whole; do not split, chew, or crush them. When bupropion is used to treat seasonal affective disorder, take it once a day in the morning beginning in the early fall, continuing through the winter, and stopping in the early spring. Most antidepressants help relieve depression by affecting these neurotransmitters, sometimes called chemical messengers, which aid in communication between brain cells. There are many types of antidepressants available that work in slightly different ways and have different side effects. And sometimes a combination of medicines may be an option. But if it doesn't relieve your symptoms or it causes side effects that bother you, you may need to try another. Although antidepressants may not cure depression, they can reduce symptoms. These data suggest there is no prominent effect of age on bupropion concentration; however, another single- and multiple-dose pharmacokinetics trial suggested that the elderly are at increased risk for accumulation of bupropion and its metabolites see Use in Specific Populations (8.5). The second trial demonstrated no statistically significant differences in the pharmacokinetics of bupropion and its active metabolites in 9 subjects with mild-to-moderate hepatic cirrhosis compared with 8 healthy volunteers. Elimination Following oral administration of 200 mg of 14C-bupropion in humans, 87% and 10% of the radioactive dose were recovered in the urine and feces, respectively. Plasma bupropion concentrations are dose-proportional following single doses of 100 to 250 mg; however, it is not known if the proportionality between dose and plasma level is maintained in chronic use. In humans, following oral administration of bupropion hydrochloride tablets, peak plasma bupropion concentrations are usually achieved within 2 hours. Of the studies that have explored the possibility of bupropion producing a more distinct pattern of changes across specific symptom dimensions, differential response to bupropion has been identified with regards to negative affect. Fornaro and colleagues intentionally coprescribed bupropion with duloxetine in a cohort with atypical depression (carbohydrate craving, hypersomnia, etc.) on the basis that bupropion’s additional dopaminergic and noradrenergic functioning might provide additional therapeutic gains, though this was not borne out in the (relatively small) sample Fornaro et al. 2014. Whilst bupropion was as effective as escitalopram, it was less effective with regards to their children’s mental health; subanalyses showed that escitalopram was more effective with regards to treating ‘negative affectivity’ (guilt, irritability, fear/anxiety), which the authors posit has a more serotonergic underpinning. By 12 months, two more patients discontinued for lower urinary tract symptoms and difficult-to-control hypertension respectively (Supplementary Table 3). In contrast, there was no significant weight change in the control group. Eighteen patients (48.6%) were followed up till 6 months, and 13 patients (35.1%) were followed up till 12 months. In 2015, the first clinical practice guidelines for the pharmacologic management of obesity were published. Another factor responsible for weight gain of pharmacological action is blockage of 5HT2c serotonin receptors by several first-generation and the majority of second-generation antipsychotics. Some of the newest data have shown that obesity is characterized by low-grade chronic inflammation caused by increased secretion of pro-inflammatory cytokines and adipokines by the macrophages and adipocytes present in adipose tissue . There are different theories about obesity’s mechanisms, such as inflammation, inflammasome activation, insulin resistance, adipokine balance, and abnormalities in lipid metabolism and endothelial function . Unfortunately, many of the complications brought by obesity lead to death, which might be averted through a change in lifestyle.
Clinical Studies
Most patients with schizophrenia are obese due to the appetite-increasing effects of antipsychotic medications.55 While bupropion and naltrexone separately have been used safely in schizophrenia patients, bupropion has a documented side effect of psychosis in nonpsychotic patients.22,56,57 For schizophrenia spectrum patients, we recommend expert consultation and care. Bupropion raises blood pressure, as does the naltrexone–bupropion combination.10,39 This increase sometimes may be offset by the reduction in blood pressure through weight loss; however, clinically significant weight loss will occur much later than the institution of full dose bupropion. Bupropion by itself for example, induces much more weight loss in obesity treatment studies compared to analysis in depression studies, where weight loss is not the primary aim.23 Thus, results presented in Figures 1 and 2 should be interpreted by clinicians with these caveats in mind. In a previous study, we also have found naltrexone not to be very efficacious in a group of antipsychotic-using obese patients as opposed to nondiabetic patients, thus, this area requires further study.22 Results of the studies with different combinations of the two drugs are presented in an easy-to-compare NNT format in Figures 1 and 2. Orlistat was approved by the FDA in 1999 and remains one of the most commonly used anti-obesity medications. In this context, anti-obesity medications have emerged as important tools within a combined therapeutic approach and are now endorsed by several international clinical guidelines (Apovian et al., 2015; Wharton et al., 2020). If you tell the person giving you the drug screening test that you are taking bupropion hydrochloride tablets, they can do a more specific drug screening test that should not have this problem. However, the impact on metabolism is generally considered modest, and the exact mechanism by which Wellbutrin affects weight is not fully understood. The exact amount of weight gain or loss can vary from person to person, and it is challenging to predict the specific impact on an individual. Some people may experience weight gain while taking Wellbutrin, although this is generally less common. However, it is essential to recognize that individual responses to medication can vary. They can help determine if bupropion is appropriate for you and monitor your progress to ensure safe and effective use. In some cases, more severe side effects can occur, such as seizures, allergic reactions, and increased suicidal thoughts. When individuals feel more motivated and confident, they’re more likely to engage in physical activity and make healthy lifestyle choices. However, as this is the first experience of the use of naltrexone-bupropion among Asians, we felt that the results are still important in providing insights on how this drug combination works in this cohort of patients. As naltrexone-bupropion was an unregistered drug at the time of this study and required the use of multiple third-party distributors to import under a named-patient program, the cost of this drug was close to 300-fold that of the usual drug cost for the patients. We observed that patients who were on naltrexone-bupropion were able to maintain the weight loss achieved at 6 months up till 30 months, showing the real-world effectiveness of naltrexone-bupropion in the longer term. Bupropion may also cause side effects including but not limited to nausea, constipation, headache, and dry mouth. Unlimited messaging for questions, treatment adjustments, and side effect support Safe, quality treatment at an attainable price with or without insurance We’ll also provide tips and 
treatment options for side effect management. There were no reports of suicidal ideation in participants treated by NB32 + BMOD and two reports in those who received placebo + BMOD. There were no significant differences between groups on treatment-emergent increases on key items from the IDS-SR that assessed sadness, irritability, anxiety/tension, or suicidality. Although mean total scores on the IDS-SR increased in NB32 + BMOD-treated participants during the first 20 weeks, increases were small and without clinical significance. We conducted a post-hoc analysis of four phase III, randomized, double-blind, placebo-controlled, 56-week studies (COR-I, COR-II, COR-BMOD, and COR-DM), the placebo-controlled cardiovascular outcomes trial LIGHT (208 weeks), and the randomized, open-label trial IGNITE (78 weeks). Naltrexone-bupropion adverse events (eg, nausea, constipation) led to withdrawal in 23% of the study group versus 12% in the placebo group. For non-psychiatric patients, NB resulted in significant weight loss and BMI reduction as well. A healthcare provider will recommend you take this medication with a reduced-calorie diet and exercise. At 12-months, 38.5% of surgery-naive patients and 63.0% of post-MBS patients had continued NB, with median weight loss of 8.8% (5.0, 16.7) and 10.0% (4.5, 16.5) respectively. Many of them are used to treat both obesity and Type 2 diabetes. At the time, it was thought that obesity was caused by increased hunger and overeating, so reducing appetite and speeding up metabolism was appropriate. And according to Dr. Butsch, this new generation of drugs is safer and more effective than ever. “We now understand obesity isn’t a character flaw,” says W. In addition, several hundred subjects aged ≥65 years participated in clinical trials using the immediate-release formulation of bupropion (depression trials). There are no data on the effects of bupropion or its metabolites on milk production. Decreased fetal weights were observed at doses of 50 mg/kg/day (approximately 2 times the MRHD on a mg/m 2 basis) and greater. The NBDPS and United Healthcare database study did not find an association between first trimester maternal bupropion exposure and VSD.