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LGD 4033 Anabolicum

(16 customer reviews)

$72.50

LGD-4033 is an orally-available, non-steroidal SARM that has delivered exceptional results in both preclinical and clinical trials, and it continues to be the subject of high-impact research. It is being investigated clinically and preclinically for a number of indications: increased muscle mass and strength; increased bone formation and strength; and central nervous system benefits including enhanced cognition and libido. Anabolicum (LGD-4033) is categorized as a SARM. LGD-4033 has the capability to bind to the AR (androgen receptor) with an extremely high affinity, in a manner that is tissue selective. It was originally developed to treat muscle wasting in cancer patients, age-related muscle loss as well as acute and chronic illness. LGD-4033 has been shown to produce similar therapeutic benefits to exogenous testosterone but with a better safety profile. This is due to it’s tissue-selective mechanism of action in conjunction with an administration taken orally. It also contains the ability to have anabolic activity in muscles, anti-resorptive and anabolic activity in bones as well as a selectivity for muscle and bone versus prostate and sebaceous glands. LGD-4033 has also been shown to promote tissue healing similar to Ostabolic (MK-2866) and Nutrobal (MK-677).

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Additional information
Reviews (16)

WHAT IS LGD-4033?
LGD-4033 is an orally-available, non-steroidal SARM that has delivered exceptional results in both preclinical and clinical trials, and it continues to be the subject of high-impact research. It is being investigated clinically and preclinically for a number of indications: increased muscle mass and strength; increased bone formation and strength; and central nervous system benefits including enhanced cognition and libido.

Anabolicum (LGD-4033) is categorized as a SARM. LGD-4033 has the capability to bind to the AR (androgen receptor) with an extremely high affinity, in a manner that is tissue selective. It was originally developed to treat muscle wasting in cancer patients, age-related muscle loss as well as acute and chronic illness. LGD-4033 has been shown to produce similar therapeutic benefits to exogenous testosterone but with a better safety profile. This is due to it’s tissue-selective mechanism of action in conjunction with an administration taken orally. It also contains the ability to have anabolic activity in muscles, anti-resorptive and anabolic activity in bones as well as a selectivity for muscle and bone versus prostate and sebaceous glands. LGD-4033 has also been shown to promote tissue healing similar to Ostabolic (MK-2866) and Nutrobal (MK-677).

LGD-4033 was originally developed by Ligand Pharmaceuticals in San Diego, CA and is currently being developed as a drug candidate by Viking Pharmaceuticals.

Clinical Data

In a Phase 2 clinical trial, men receiving LGD-4033 showed a statistically-significant, dose-dependent increase in total lean body mass after 12 weeks of treatment vs placebo. Crucially, this study also demonstrated increases in appendicular lean body mass. There were no instances of drug-related adverse effects all for doses tested.

In a landmark Phase I clinical trial conducted at the prestigious Boston University, LGD-4033 demonstrated impressive increases in lean body mass among young (mean age = 37 years) physically-fit men (mean body mass index 25.8 kg/m2) who had normal testosterone, luteinizing hormone, and follicle-stimulating hormone levels. In this placebo-controlled study, 76 healthy men were randomized to placebo or 0.1, 0.3, or 1.0 mg LGD-4033 daily for 21 days. Blood counts, chemistries, lipids, prostate-specific antigen (PSA), electrocardiogram (ECG), hormones, lean and fat mass, and muscle strength were recorded for 5 weeks.

Lgd 4033 lignandrol

Figure 1: Change from baseline in lean body mass is shown.

(A) Average lean mass (kg) change from baseline up to day 28. Change from baseline in lean body mass is shown. he data are mean ± standard error of the mean , n = 30 in the placebo group pooled from the three cohorts, 17 in the 0.1 – mg dose, 10 in the 0.3 – mg group, and 11 in the 1.0 – mg group. BL = baseline. * p < .05 vs placebo. PBO = placebo; p for trend = .04.
(B) Average fat mass (kg) change from baseline up to day 28. Change from baseline in fat mass is shown. The data are mean ± standard error of the mean , n = 30 in the placebo group pooled from the three cohorts, 17 in the 0.1 – mg dose, 10 in the 0.3 – mg group, and 11 in the 1.0 – mg group. PBO = placebo. p for trend = .261.
(C) Change in leg press strength from baseline. Change from baseline in fat mass is shown. The data are mean ± standard error of the mean , n = 30 in the placebo group pooled from the three cohorts, 17 in the 0.1 – mg dose, 10 in the 0.3 – mg group, and 11 in the 1.0 – mg group. PBO = placebo; p for trend = .203. Adapted from: S. Basaria et al., “The safety, pharmacokinetics, and effects of LGD-4033, a novel nonsteroidal oral, selective androgen receptor modulator, in healthy young men,” Journals Gerontol. – Ser. A Biol. Sci. Med. Sci., vol. 68, no. 1, pp. 87–95, Jan. 2013.

Discussion

LGD-4033 was safe and well-tolerated over the range of doses that were evaluated over a 3-week period. Even during this short treatment period, there was clear evidence of the compound’s androgenic activity, as reflected in the increase in lean body mass, and significant suppression of sex hormone-binding globulin and cholesterol levels. In spite of demonstrable androgenic activity, serum prostate specific antigen (PSA) did not change significantly. This study also reveals other attractive attributes of LGD-4033: it has a prolonged circulating half-life, dose-proportional systemic circulation, and a strong relationship between the dose and the outcome. The gains in lean body mass were similar to those reported with other SARMs [1], yet LGD-4033 was able to produce similar gains in a substantially shorter time frame (5 weeks vs 12 weeks).

This study had many features of a good trial design; subject allocation by randomization, concealed randomization, blinding, and independent appraisal of safety data by a Data and Safety Monitoring Board at Boston University. Since it was an ascending dose study, the study did have some inherent constraints. For instance, the doses of study medication were administered sequentially in ascending order rather than in random order. The sample size, although substantially larger than in most phase I ascending dose studies, was not based on considerations of effect sizes, as the study’s primary aim was to establish safety and tolerability rather than efficacy. Similarly, the 3-week study duration was not designed to demonstrate maximal effects on skeletal muscle mass and muscle strength which were not the primary outcomes of the trial.

In light of these inherent constraints on study design, it is particularly remarkable that significant dose-dependent gains in lean body mass were evident in this short duration, indicating this SARM’s substantial anabolic activity on the skeletal muscle. Several attractive pharmacokinetic features of this SARM are noteworthy: Its prolonged elimination half-life renders it amenable to once daily or even a less frequent dosing regimen. Daily administration of the drug was associated with dose proportional increase in systemic exposure resulting in predictable accumulation upon multiple dosing.

Lastly, it is expected that exogenous (ie. produced outside the body) androgens cause lower endogenous (ie. produced inside the body) testosterone levels. However, LGD-4033 has actually been shown to increase bone mineral density, periosteal bone formation, and femur bending strength in preclinical models.

The mechanisms by which LGD-4033 increases muscle mass remains incompletely understood; however, it is likely that LGD-4033 induces hypertrophy of both type I and type II muscle fibers similar to testosterone [2]. Muscle fiber hypertrophy (growth) can result from either increased muscle protein synthesis or decreased muscle protein degradation. This study did not reveal a significant difference in muscle protein synthesis between the placebo and the active drug groups at the 0.3-mg dose (low dose). Also, keep in mind that these studies were conducted in a fasted state when muscle protein synthesis is low anyways; however, testosterone trials that have reported an increase in muscle protein synthesis have also been conducted in the fasted state as have trials that failed to show improvements [3].

Previous human and animal studies have shown inhibition of muscle protein breakdown and muscle protein degradation pathways during testosterone administration, as potential mechanisms for increased muscle mass [4], [5]. LGD-4033 may also increase the number of muscle satellite cells by promoting both the proliferation of satellite cells and the differentiation of muscle progenitor cells [6]–[8]. However, those mechanisms were not investigated directly in this study.

LGD-4033 has been evaluated in two other Phase 1 clinical trials: the initial Phase 1 safety, tolerability and pharmacokinetic study was conducted in 2006. This was followed by a 14-day Phase 1b clinical trial in 56 patients with mild hypercholesterolemia (high cholesterol). This study was initiated in 2007 and completed in 2008. LGD-4033 was shown to be safe and well-tolerated across doses ranging from 0.25 mg to 40 mg per day. There were no serious adverse events, and the frequency of adverse events in treated subjects was similar to placebo-treated subjects. There were no differences in heart rate, heart rhythm or blood pressure were observed between LGD-4033 and placebo-treated patients. Only mild increases in liver enzymes were observed at the higher doses of LGD-4033, along with dose-related mean shifts in thyroid hormone levels.

The clinical trial results also showed dose-related reductions in fasting low density lipoprotein (ie “bad” cholesterol) and fasting triglyceride levels at day 14. Significant placebo-adjusted low density lipoprotein reductions from baseline were observed at doses of >5 mg, while placebo-adjusted triglyceride levels were reduced by more than 30% at doses of >2.5 mg. In addition, statistically significant reductions of lipoprotein A and apolipoprotein B, which are believed to be positively associated with risk of developing cardiovascular disease, were observed in certain cohorts.

Preclinical Data

LGD-4033 has also demonstrated anabolic activity in muscles, anti-resorptive (ie. protection from bone loss) and anabolic activity in bone, and robust selectivity for muscle and bone verses prostate and sebaceous glands in animal models. The effects of LGD-4033 on bone strength, bone mineral content and bone mineral density were evaluated in ovariectomized female rats, which are rats that have undergone surgical removal of the ovaries. The ovariectomized rat model is a standard animal model for evaluating the effect of pharmaceutical agents in osteoporosis, because removal of ovaries stimulates high bone turnover and subsequent bone loss, creating a simulated post-menopausal state that models the metabolic changes in post-menopausal osteoporosis patients. As shown below, in ovariectomized rats, at the two highest doses, LGD-4033 produced significant increases in femur bone mineral content and bone strength relative to ovariectomized rats treated with vehicle. In addition, LGD-4033 demonstrated anabolic effects in bone formation rates, bone density, bone volume and trabecular thickness.

Lgd 4033 lignandrol

Figure 2. LGD-4033 has exceptional tissue-selectivity.

LGD-4033 demonstrates >500 fold selectivity for maintaining muscle weight relative to the effects on prostate weight. By comparison testosterone shows similar effects on both muscle and prostate tissues. These data suggest that LGD-4033 is highly tissue-selective for muscle potentially leading to an improved therapeutic profile relative to testosterone.

Adapted from: Vajda EG, Marschke K, van Oeveren A, Zhi L, Chang WY, Lopez FJ, Meglasson MD. LGD-4033 builds muscle and bone with reduced prostate activity and may be beneficial in age-related fraility. Poster presented at: 62nd Annual Meeting of the Gerontology Society of America 2009 Nov 19-21; Atlanta, GA.

The tissue-selectivity of LGD-4033 was examined in a castrated rat model. The castrated rat model is a standard animal model for examining tissue selectivity for SARMs due to the rapid nature of muscle atrophy in castrated animals and the high sensitivity to muscle growth upon androgen-based treatment. Muscle mass can be restored with a potent androgen-receptor agonist, such as testosterone. Initially, rats are castrated or receive sham surgery. Sham rats are rats that receive surgical procedures that do not remove the ovaries or have other physiologic purposes. Upon recovering from the surgery, castrated and sham rats are administered either an active therapy such as LGD-4033 or testosterone. The effects of therapy in this model are assessed by measuring muscle and prostate tissue mass. Muscle mass in castrated animals treated with vehicle is assigned 0% relative efficacy, while muscle mass in non-castrated animals that underwent sham surgery is assigned 100% relative efficacy. For example, a castrated rat treated with a drug that demonstrates 100% relative efficacy would have equivalent tissue mass to a non-castrated rat.

In this model, LGD-4033 demonstrated greater than 500-fold selectivity for maintaining muscle weight at non-castrate levels relative to the effects on prostate weight. By comparison, testosterone shows similar effects on both muscle and prostate tissue. These data suggest that LGD-4033 is highly tissue-selective for muscle, potentially leading to an improved therapeutic profile relative to testosterone.

Lgd 4033 lignandrol

Figure 3. LGD-4033 is superior to testosterone at maintaining bone mineral content and bone strength.

In rats, optimized dosing was shown to be 0.3 mg/kg body weight for preserving metrics of bone health. *p < 0.05 Adapted from: Vajda EG, Marschke K, van Oeveren A, Zhi L, Chang WY, Lopez FJ, Meglasson MD. LGD-4033 builds muscle and bone with reduced prostate activity and may be beneficial in age-related fraility. Poster presented at: 62nd Annual Meeting of the Gerontology Society of America 2009 Nov 19-21; Atlanta, GA.

Key Preclinical Findings
LGD-4033 increased bone mineral density and bending strength (an indicator of resistance to fracture) in rat model of osteoporosis, by increasing the rate of new bone formation and reducing bone turnover. Statistically significant improvements in bone mineral density were observed after 12 weeks of administering LGD-4033 at doses as low as 0.03 mg/kg/day in cortical bone and 0.3 mg/kg/day in cancellous bone.
LGD-4033 potently increased the skeletal muscle mass and the average diameter of the individual muscle fibers in both hormonal-deficient and hormonally-normal rats. Muscle fiber diameter is known to correlate with the maximum contractile force that can be generated by a muscle fiber, suggesting greater muscle strength following LGD-4033 administration.
Unlike the potent full agonist activity observed with the increase in skeletal muscle and bone, LGD-4033 treatment resulted in a significant reduction in prostate mass at all doses tested (up to 100 mg/kg/day). Steroidal androgens are known to cause prostate hyperplasia. The reduction in prostate mass, together with an increase in muscle and bone formation, represents a unique and desirable tissue-selective profile of LGD-4033.

Recent Findings
Skeletal fractures due to age-associated weakening of bones presents a growing problem in society, as more than a quarter million people are hospitalized for hip fracture alone in the US annually [9]. LGD-4033 is an attractive candidate for prevention of skeletal fractures and it has the potential to be an important new option for these patients by offering improved safety compared to currently available drugs based on its tissue selective effects. As muscle wasting and osteoporosis are common co-morbidities in the elderly, LGD-4033 may be particularly beneficial to frail, elderly patients by improving their mobility and quality-of-life, and reducing the risk of fall-related bone fractures.
In 2018, a Phase 2 clinical trial of LGD-4033 was completed in patients who recently suffered a hip fracture. Encouragingly, the trial achieved its primary endpoint demonstrating statistically-significant, dose-dependent increases in lean body mass compared to placebo. The trial also revealed dose-dependent increases in ambulatory capacity (ie. walking distance).

Key Clinical Findings

  1. All doses of LGD-4033 showed substantial increases in total lean body mass following just 12 weeks of treatment. Placebo adjusted increases were 4.8% at 0.5 mg, 7.2% at 1.0 mg and 9.1% at 2.0 mg.
  2. Patients receiving LGD-4033 showed decreased mean fat mass following 12 weeks of treatment. Placebo adjusted reductions were 2.2% at 0.5 mg, 5.4% at 1.0 mg and 6.2% at 2.0 mg.
  3. Patients receiving LGD-4033 demonstrated improvements in 6-minute walk distance compared to placebo. For patients in the 2.0 mg group, LGD-4033 increased mean distance by approximately 60 feet compared to placebo.
  4. LGD-4033 treatment resulted in improvements in procollagen type I propeptide (s-P1NP), a canonical marker of anabolic bone turnover.
  5. Muscle mass increases were maintained at 24 weeks (12 weeks after cessation of LGD-4033) further bolstering the durable muscle mass improvements observed in the trial.
  6. No drug related severe adverse events were observed in patients LGD-4033 irrespectively of dose.

In clinical trials, LGD-4033 has been shown to be safe and well-tolerated [10]. Adverse events were infrequent and similar between the experimental group and placebo group at all doses tested. Headache and xerostomia (dry mouth) were the most common events, yet without any evidence of a dose relationship. No severe drug-related or unexplained adverse events were recorded. One instance of cellulitis (in placebo group) and one instance of gastroenteritis (in the 0.3 mg LGD-4033 group) were severe but were not considered study drug related. There was no study discontinuation due to adverse events. There were no clinically significant changes in liver enzymes, hematocrit, prostate-specific antigen (PSA), or electrocardiogram (ECG) at any dose levels tested.

*The information herein is for educational and informational purposes only. THIS PRODUCT IS FOR RESEARCH USE ONLY. For use in animal studies, all research must be conducted with oversight from the appropriate Institutional Animal Care and Use Committee (IACUC) following the guidelines of the Animal Welfare Act (AWA).

Shipping Conditions: Ambient temperature.
Storage: Use within 12 months. Keep in a cool and dark location.

[1] J. T. Dalton et al., “The selective androgen receptor modulator GTx-024 (enobosarm) improves lean body mass and physical function in healthy elderly men and postmenopausal women: results of a double-blind, placebo-controlled phase II trial.,” J. Cachexia. Sarcopenia Muscle, vol. 2, no. 3, pp. 153–161, Sep. 2011.
[2] I. Sinha-Hikim et al., “Testosterone-induced increase in muscle size in healthy young men is associated with muscle fiber hypertrophy.,” Am. J. Physiol. Endocrinol. Metab., vol. 283, no. 1, pp. E154-64, Jul. 2002.
[3] C. Ibebunjo, J. K. Eash, C. Li, Q. Ma, and D. J. Glass, “Voluntary running, skeletal muscle gene expression, and signaling inversely regulated by orchidectomy and testosterone replacement.,” Am. J. Physiol. Endocrinol. Metab., vol. 300, no. 2, pp. E327-40, Feb. 2011.
[4] A. A. Ferrando et al., “Testosterone administration to older men improves muscle function: molecular and physiological mechanisms.,” Am. J. Physiol. Endocrinol. Metab., vol. 282, no. 3, pp. E601-7, Mar. 2002.
[5] R. J. Urban et al., “Testosterone administration to elderly men increases skeletal muscle strength and protein synthesis.,” Am. J. Physiol., vol. 269, no. 5 Pt 1, pp. E820-6, Nov. 1995.
[6] I. Sinha-Hikim, S. M. Roth, M. I. Lee, and S. Bhasin, “Testosterone-induced muscle hypertrophy is associated with an increase in satellite cell number in healthy, young men.,” Am. J. Physiol. Endocrinol. Metab., vol. 285, no. 1, pp. E197-205, Jul. 2003.
[7] R. Singh, J. N. Artaza, W. E. Taylor, N. F. Gonzalez-Cadavid, and S. Bhasin, “Androgens stimulate myogenic differentiation and inhibit adipogenesis in C3H 10T1/2 pluripotent cells through an androgen receptor-mediated pathway.,” Endocrinology, vol. 144, no. 11, pp. 5081–8, Nov. 2003.
[8] C. Serra et al., “The role of GH and IGF-I in mediating anabolic effects of testosterone on androgen-responsive muscle.,” Endocrinology, vol. 152, no. 1, pp. 193–206, Jan. 2011.
[9] S. H. Kim, J. P. Meehan, T. Blumenfeld, and R. M. Szabo, “Hip fractures in the United States: 2008 nationwide emergency department sample.,” Arthritis Care Res. (Hoboken)., vol. 64, no. 5, pp. 751–7, May 2012.
[10] S. Basaria et al., “The safety, pharmacokinetics, and effects of LGD-4033, a novel nonsteroidal oral, selective androgen receptor modulator, in healthy young men,” Journals Gerontol. – Ser. A Biol. Sci. Med. Sci., vol. 68, no. 1, pp. 87–95, Jan. 2013.

Buy SARMs for sale like our LGD 4033 Ligandrol – 10 MG/ML – 30ML bottle from Sarms for Sale and enjoy the highest quality and purity LGD 4033 Ligandrol SARMs available online.

Technical Information
Formal Name
4-[(2R)-2-[(1R)-2,2,2-trifluoro-1-hydroxyethyl]-1-pyrrolidinyl]-2-(trifluoromethyl)-benzonitrile
CAS Number
1165910-22-4
Molecular Formula
C14H12F6N2O
Formula Weight
338.3
Formulation
A crystalline solid
  • DMF: 25 mg/ml
  • DMSO: 10 mg/ml
  • Ethanol: 25 mg/ml
  • Ethanol:PBS(pH 7.2) (1:5): 0.16 mg/ml
λmax
224, 295 nm
SMILES
O[C@@H](C(F)(F)F)[C@@]1([H])CCCN1C2=CC(C(F)(F)F)=C(C#N)C=C2
InChi Code
InChI=1S/C14H12F6N2O/c15-13(16,17)10-6-9(4-3-8(10)7-21)22-5-1-2-11(22)12(23)14(18,19)20/h3-4,6,11-12,23H,1-2,5H2/t11-,12?/m1/s1
InChi Key
OPSIVAKKLQRWKC-JHJMLUEUSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
Stability
≥ 2 years
QUANTITY

1, 2

16 reviews for LGD 4033 Anabolicum

4.9
Based on 16 reviews
5 star
93
93%
4 star
6
6%
3 star
0%
2 star
0%
1 star
0%
  1. Curtly S. (verified owner)

    usUnited States

    I’ve only had it a little while. But I can see and feel a difference already.

    (1) (1)
  2. Katelyn (verified owner)

    usUnited States

    This is the best customer service you’ll find anywhere with these products. These guys are legit

    (1) (1)
  3. Adam F. (verified owner)

    usMassachusetts, United States

    so far so good and its really helped my strength!

    (0) (1)
  4. Mark T. (verified owner)

    usTexas, United States

    (0) (2)
  5. Anonymous (verified owner)

    usUnited States

    (0) (2)
  6. Omar (verified owner)

    usTexas, United States

    You can start feeling it almost emidiatly!

    (1) (0)
  7. Adam (verified owner)

    usUnited States

    Strength through the roof!

    (0) (0)
  8. Talal D. (verified owner)

    usUnited States

    (0) (0)
  9. Robert Smith (verified owner)

    usMaine, United States

    (0) (0)
  10. Robert (verified owner)

    usUnited States

    (0) (0)
  11. Jeff H. (verified owner)

    usIndiana, United States

    A+

    (0) (0)
  12. Samuel B. (verified owner)

    usFlorida, United States

    Simple use for great results.

    (0) (0)
  13. Jeff Hyatt (verified owner)

    usIndiana, United States

    Using as a bridge between cycles. Definitely helping me keep my hard earned gains.

    (0) (0)
  14. Anonymous (verified owner)

    usUnited States

    (0) (0)
  15. Kenneth S. (verified owner)

    usFlorida, United States

    (0) (0)
  16. Brett (verified owner)

    usColorado, United States

    Haven’t run it yet but I’ve always gotten good results from here so preemptively giving 5 stars.

    (0) (2)

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LGD 4033 Anabolicum
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