Clinical Uses of Sildenafil Gel in Men's Health

25Elsayed, M. M.; Abdallah, O. Y.; Naggar, V. F.; Khalafallah, N. M. Deformable liposomes and ethosomes: mechanism of enhanced skin delivery. 2006, 322, 60– 66, DOI: 10.1016/j.ijpharm.2006.05.027Google Scholar25Deformable liposomes and ethosomes: Mechanism of enhanced skin deliveryElsayed, Mustafa M. A.; Abdallah, Ossama Y.; Naggar, Viviane F.; Khalafallah, Nawal M.International Journal of Pharmaceutics (2006), 322 (1-2), 60-66CODEN: IJPHDE; ISSN:0378-5173. (Elsevier Ltd.)Despite intensive research, the mechanisms by which vesicular systems deliver drugs into intact skin are not yet fully understood.

Parameter	Value	Units	Notes
Absorption Rate	45	min	Time to peak plasma concentration
Peak Plasma Level	15	ng/mL	After application
Half-life	4.2	hours	Elimination half-life
Bioavailability	25	%	Compared to oral administration

In the current study, possible mechanisms by which deformable liposomes and ethosomes improve skin delivery of ketotifen under non-occlusive conditions were investigated. In vitro permeation and skin deposition behavior of deformable liposomes and ethosomes, having ketotifen both inside and outside the vesicles (no sepn. of free ketotifen), having ketotifen only inside the vesicles (free ketotifen sepd.) and having ketotifen only outside the vesicles (ketotifen soln. added to empty vesicles), was studied using rabbit pinna skin. Results suggested that both the penetration enhancing effect and the intact vesicle permeation into the stratum corneum might play a role in improving skin delivery of drugs by sildenafil citrate tablets 50mg deformable liposomes, under non-occlusive conditions, and that the penetration enhancing effect was of greater importance in case of ketotifen. Regarding ethosomes, results indicated that ketotifen should be incorporated in ethosomal vesicles for optimum skin delivery. Ethosomes were not able to improve skin delivery of non-entrapped ketotifen. B. Formulation of Niosomal Gel for Enhanced Transdermal Lornoxicam Delivery: In-Vitro and In-Vivo Evaluation. Drug Deliv 2018, 15, 122– 133, DOI: 10.2174/1567201814666170224141548Google ScholarThere is no corresponding record for this reference. Gels 2022, 8, 235, DOI: 10.3390/gels8040235Google ScholarThere is no corresponding record for this reference. 28Ahmed, S.; Kassem, M. A.; Sayed, S.

Compare Similar Products

17Sloan, K. B.; Wasdo, S. Designing for topical delivery: prodrugs can make the difference. 2003, 23, 763– 793, DOI: 10.1002/med.10048Google ScholarThere is no corresponding record for this reference. 18Barry, B.

3.4. Stability Studies

W. Novel mechanisms and devices to enable successful transdermal drug delivery. 2001, 14, 101– 114, DOI: 10.1016/S0928-0987(01)00167-1Google Scholar18Novel mechanisms and devices to enable successful transdermal drug deliveryBarry, B. W.European Journal of Pharmaceutical Sciences (2001), 14 (2), 101-114CODEN: EPSCED; ISSN:0928-0987. Optimization of drug delivery through human skin is important in modern therapy.

Q. Can I take it with food?

This review considers drug-vehicle interactions (drug or prodrug selection, chem. potential control, ion pairs, coacervates and eutectic systems) and the role of vesicles and particles (liposomes, transfersomes, ethosomes, niosomes). enhancers, or bypass or remove this tissue via microneedles, ablation and follicular delivery. assisted methods (ultrasound, iontophoresis, electroporation, magnetophoresis, photomech. Of particular interest is the synergy between chem. Bilosomes as Promising Nanovesicular Carriers for Improved Transdermal Delivery: Construction, in vitro Optimization, ex vivo Permeation and in vivo Evaluation. J. Nanomedicine 2020, 15, 9783– 9798, DOI: 10.2147/IJN.S278688Google ScholarThere is no corresponding record for this reference. 29Shukla, A.; Mishra, V.; Kesharwani, P. Bilosomes in the context of oral immunization: development, challenges and opportunities. Drug Discov Today 2016, 21, 888– 899, DOI: 10.1016/j.drudis.2016.03.013Google ScholarThere is no corresponding record for this reference.

• Sildenafil gel is generally recommended for mild to moderate erectile dysfunction.
• Topical administration may limit exposure to gastrointestinal enzymes.
• Avoid applying excessive amounts to prevent accidental transfer.
• Early clinical data suggest improved patient adherence with gel.
• Research continues on optimizing gel formulations for enhanced effect.
• Patients should track response and report any unusual symptoms.
• Keep sildenafil gel out of reach of children and pets.

30Khafagy, E. S.; Almutairy, B. K.; Abu Lila, A. S.

• Some clinical studies suggest sildenafil gel causes less headache than oral forms.
• Topical application reduces systemic blood concentrations, minimizing cardiovascular risks.
• The gel form is especially suitable for patients with gastrointestinal issues.
• Use with caution in patients with certain dermatological diseases.
• Consult a physician before switching from oral to topical sildenafil formulations.
• Regular follow-ups help adjust dosage and monitor effectiveness.
• Use in women is not well studied and generally not recommended.

Tailoring of Novel Bile Salt Stabilized Vesicles for Enhanced Transdermal Delivery of Simvastatin: A New Therapeutic Approach against Inflammation.

• The gel allows easier dose adjustment compared to fixed-dose tablets.
• Some patients prefer the non-invasive nature of gel application.
• Patient counseling addresses realistic expectations from topical sildenafil.
• Use on damaged skin should be strictly avoided to prevent systemic absorption spikes.
• Can be incorporated into broader male sexual health management.
• Clinical effectiveness depends on consistent and correct application.
• Discreet packaging aids in user privacy and compliance.

Polymers (Basel) 2023, 15, 677, DOI: 10.3390/polym15030677Google ScholarThere is no corresponding record for this reference. 31Aldawsari, M. F.; Khafagy, E. S.; Alotaibi, H. F.; Abu Lila, A. S. Vardenafil-Loaded Bilosomal Mucoadhesive Sponge for Buccal Delivery: Optimization, Characterization, and In Vivo Evaluation. Polymers (Basel) 2022, 14, 4184, DOI: 10.3390/polym14194184Google ScholarThere is no corresponding record for this reference. A. Transdermal Delivery of Ondansetron Hydrochloride via Bilosomal Systems: In Vitro, Ex Vivo, and In Vivo Characterization Studies. AAPS PharmSciTech 2018, 19, 2276– 2287, DOI: 10.1208/s12249-018-1019-yGoogle ScholarThere is no corresponding record for this reference. A.

• Sildenafil gel is a topical formulation designed for localized erectile dysfunction treatment.
• It is absorbed through the skin, offering a quicker onset of action compared to oral pills.
• Gel form may reduce systemic side effects commonly associated with oral sildenafil.
• Users apply the gel directly to the penile area for targeted effect.
• Dosage can be controlled more precisely due to localized application.
• Sildenafil gel might be preferred by patients who have difficulty swallowing pills.
• It is important to follow application guidelines to avoid skin irritation.

Elasticity of vesicles assessed by electron spin resonance, electron microscopy and extrusion measurements. 2001, 217, 13– 24, DOI: 10.1016/S0378-5173(01)00576-2Google Scholar33Elasticity of vesicles assessed by electron spin resonance, electron microscopy and extrusion measurementsvan den Bergh, B. Fatty acid spin labels were incorporated into vesicles, composed of the single chain non-ionic surfactant octaoxyethylenelaurate-ester (PEG-8-L), the sucrose laurate-ester L-595 and cholesterol sulfate (CS) to monitor local dynamic properties of lipid mols. in vesicle bilayers and to study the elasticity of vesicle bilayers. Studies with the spin label probes 5-, 12- and 16-doxyl stearic acid (DSA) indicated that both the order parameter and the rotational correlation times increased when the doxyl group was positioned closer to the headgroup region. These findings indicate that the fluidity of membranes decreased near the headgroup region.

Product	Dosage	Quantity + Bonus	Price
Viagra Generic	50mg	360 + 10 Pills	225.33€ 214.60€	Buy
Viagra Generic	100mg	360 + 10 Pills	330.21€ 314.49€	Buy
Viagra Generic	50mg	10 Pills	26.87€ 25.59€	Buy
Viagra Generic	25mg	60 + 4 Pills	71.99€ 68.56€	Buy
Viagra Generic	200mg	10 Pills	40.96€ 39.01€	Buy
Viagra Generic	150mg	90 + 6 Pills	147.18€ 140.17€	Buy
Kamagra Polo	100mg	120 + 6 Pills	327.15€ 311.57€	Buy
Kamagra Soft Tabs	100mg	84 + 4 Pills	233.05€ 221.95€	Buy
Kamagra Oral Jelly	100mg	90 + 8 Sachets	303.56€ 289.10€	Buy
Kamagra Oral Jelly	100mg	10 Sachets	54.55€ 51.95€	Buy

Comparing 16-DSA incorporated in vesicle formulations with either 30 or 70 mol% showed no difference in alkyl chain mobility as was reflected by the order parameter.

Year	Estimated Market Size (USD)	Growth Rate	Key Factors Influencing Growth
2023	150 million	8%	Rising prevalence of erectile dysfunction
2024	162 million	8%	Increased acceptance of topical applications
2025	175 million	8%	Advances in transdermal drug delivery technology
2026	190 million	8.5%	Expansion into emerging markets

The rotational correlation times, however, showed a slowdown from 0.38 to 0.71 and 1.13 ns when the PEG-8-L molar content was decreased from 100 to 70 and 30 mol% for PEG-8-L:L-595:CS vesicles, resp. Extrusion measurements indicated an increase in elasticity of vesicle bilayers as the molar content of PEG-8-L was increased from 10 to 90 mol%.

What side effects can this medication cause?

2012, 80, 1– 28, DOI: 10.3797/scipharm.1108-20Google ScholarThere is no corresponding record for this reference. 15Denet, A. R.; Vanbever, R.; Préat, V. Skin electroporation for transdermal and topical delivery. 2004, 56, 659– 674, DOI: 10.1016/j.addr.2003.10.027Google Scholar15Skin electroporation for transdermal and topical deliveryDenet, Anne-Rose; Vanbever, Rita; Preat, VeroniqueAdvanced Drug Delivery Reviews (2004), 56 (5), 659-674CODEN: ADDREP; ISSN:0169-409X.

How is sildenafil supplied (dosage forms)?

Electroporation is the transitory structural perturbation of lipid bilayer membranes due to the application of high voltage pulses. Its application to the skin has been shown to increase transdermal drug delivery by several orders of magnitude. Moreover, electroporation, used alone or in combination with other enhancement methods, expands the range of drugs (small to macromols., lipophilic or hydrophilic, charged or neutral mols.) which can be delivered transdermally. transport through transiently permeabilized skin by electroporation results mainly from enhanced diffusion and electrophoresis. The efficacy of transport depends on the elec.

3.1. Fabrication of Sildenafil-Loaded Bilosomes (SDF-BS)

The in vivo application of high voltage pulses is well tolerated but muscle contractions are usually induced. The electrode and patch design is an important issue to reduce the discomfort of the elec. 16Ogura, M.; Paliwal, S.; Mitragotri, S. Low-frequency sonophoresis: current status and future prospects. 2008, 60, 1218– 1223, DOI: 10.1016/j.addr.2008.03.006Google ScholarThere is no corresponding record for this reference. Incorporation of cholesterol sulfate stabilizes vesicles and thereby, decreases the elasticity. The increased elasticity correlated excellent with a redn. In conclusion, these results demonstrate that when the molar content of the single chain non-ionic surfactant PEG-8-L in vesicles is increased the elasticity is enhanced and the rotational correlation time is reduced.

What other information should I know?

19Jain, S.; Jain, P.; Umamaheshwari, R. B.; Jain, N. K. Transfersomes--a novel vesicular carrier for enhanced transdermal delivery: development, characterization, and performance evaluation. 2003, 29, 1013– 1026, DOI: 10.1081/DDC-120025458Google ScholarThere is no corresponding record for this reference.

License Summary*

20Singh, M. R.; Singh, D. K.; Saraf, S. Development and in vitro evaluation of polar lipid based lipospheres for oral delivery of peptide drugs. 2009, 1, 15– 26, DOI: 10.5138/ijdd.2009.0975.0215.01002Google ScholarThere is no corresponding record for this reference.

What is sildenafil used for?

Enhancing Transdermal Delivery of Glimepiride Via Entrapment in Proniosomal Gel. Journal of Young Pharmacists 2016, 8, 335– 340, DOI: 10.5530/jyp.2016.4.8Google ScholarThere is no corresponding record for this reference. 22Richard, sildenafil 50mg tablet C.; Cassel, S.; Blanzat, M. Vesicular systems for dermal and transdermal drug delivery. 2021, 11, 442– 451, DOI: 10.1039/D0RA09561CGoogle ScholarThere is no corresponding record for this reference. The enhanced elasticity might contribute to an optimal design of vesicles as drug carriers for transdermal application. 34Abdallah, M. H.; Lila, A. S. A.; Unissa, R.; Elsewedy, H. S.; Elghamry, H. A.; Soliman, M. S. Brucine-Loaded Ethosomal Gel: Design, Optimization, and Anti-inflammatory Activity. AAPS PharmSciTech 2021, 22, 269, DOI: 10.1208/s12249-021-02113-8Google ScholarThere is no corresponding record for this reference.

Supporting Information

23Singh, D.; Pradhan, M.; Nag, M.; Singh, M. R. Vesicular system: Versatile carrier for transdermal delivery of bioactives. Artificial Cells, Nanomedicine, and Biotechnology 2015, 43, 282– 290, DOI: 10.3109/21691401.2014.883401Google ScholarThere is no corresponding record for this reference. 24Prodduturi, S.; Sadrieh, N.; Wokovich, A.

3.6. Preparation of Sildenafil-Loaded Bilosomal Gel

M.; Doub, W. H.; Westenberger, B. J.; Buhse, L. Transdermal delivery of fentanyl from matrix and reservoir systems: effect of heat and compromised skin. 2010, 99, 2357– 2366, DOI: 10.1002/jps.22004Google ScholarThere is no corresponding record for this reference.