Platelet-Rich Plasma With or Without Tadalafil for Erectile Dysfunction
Efficacy of Intracavernosal Injection of Platelet-Rich Plasma Alone Versus Combined With Oral Tadalafil in The Management of Erectile Dysfunction; A Prospective Randomized Study
Platelet-rich plasma is being studied as a regenerative treatment option for erectile dysfunction, but it is unclear whether adding daily tadalafil gives additional benefit over platelet-rich plasma alone. This study evaluates adult men with mild to mild-moderate erectile dysfunction who had an inadequate response to previous phosphodiesterase type 5 inhibitor treatment.
Participants were randomly assigned to receive either intracavernosal platelet-rich plasma injections combined with oral tadalafil 5 milligrams once daily, or intracavernosal platelet-rich plasma injections alone. The platelet-rich plasma injection protocol consisted of three intracavernosal treatment sessions spaced two weeks apart. Erectile function was assessed using the International Index of Erectile Function-5 questionnaire at baseline and during follow-up at 1, 3, and 6 months. Penile duplex Doppler ultrasound was performed at baseline and after 6 months to assess erectile blood-flow parameters.
The study hypothesis is that adding daily tadalafil to intracavernosal platelet-rich plasma may produce greater improvement in patient-reported erectile function compared with platelet-rich plasma alone, while also allowing assessment of whether this improvement is accompanied by measurable changes in penile Doppler parameters. The study included 156 participants in the final analysis, with 78 participants in each treatment group.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 4
Kontakter og lokationer
Studiesteder
-
-
Qalyubia Governorate
-
Banhā, Qalyubia Governorate, Egypten, 13511
- Benha University Hospital
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Adult men aged 18 years or older.
- Diagnosis of mild to mild-moderate erectile dysfunction according to the International Index of Erectile Function-5.
- Inadequate response to previous phosphodiesterase type 5 inhibitor treatment.
- Eligible for intracavernosal platelet-rich plasma injection.
- Eligible for oral tadalafil treatment.
- Baseline penile duplex Doppler ultrasound assessment available.
Exclusion Criteria:
- Severe erectile dysfunction.
- Peyronie's disease.
- Previous major pelvic surgery.
- Previous pelvic trauma.
- Known bleeding or coagulation disorder.
- Contraindication to phosphodiesterase type 5 inhibitors, including nitrate therapy.
- Significant cardiac disease contraindicating tadalafil use.
- Total testosterone less than 300 nanograms per deciliter.
- Refusal or inability to provide written informed consent.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Platelet-Rich Plasma Plus Tadalafil
Participants received intracavernosal platelet-rich plasma injections combined with oral tadalafil.
Tadalafil was given as 5 milligrams tablet by mouth once daily.
Platelet-rich plasma was prepared from autologous whole blood using a two-step centrifugation method, activated with calcium chloride, and injected intracavernosally using a fine-gauge needle after topical local anesthesia.
The injection protocol consisted of three treatment sessions spaced two weeks apart.
|
Tadalafil was administered orally as a 5 milligram tablet once daily in combination with intracavernosal platelet-rich plasma injections.
It was used as adjunct pharmacologic therapy to support erectile function during the study follow-up period.
Autologous platelet-rich plasma was prepared from whole blood using a two-step centrifugation technique and activated with calcium chloride before administration.
It was injected intracavernosally using a fine-gauge needle after topical local anesthesia.
The treatment protocol included three intracavernosal injection sessions spaced two weeks apart.
|
|
Aktiv komparator: Platelet-Rich Plasma Alone
Participants received intracavernosal platelet-rich plasma injections alone without adjunct oral tadalafil.
Platelet-rich plasma was prepared from autologous whole blood using a two-step centrifugation method, activated with calcium chloride, and injected intracavernosally using a fine-gauge needle after topical local anesthesia.
The injection protocol consisted of three treatment sessions spaced two weeks apart.
|
Autologous platelet-rich plasma was prepared from whole blood using a two-step centrifugation technique and activated with calcium chloride before administration.
It was injected intracavernosally using a fine-gauge needle after topical local anesthesia.
The treatment protocol included three intracavernosal injection sessions spaced two weeks apart.
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Change in International Index of Erectile Function-5 Score
Tidsramme: Baseline, 1 month, 3 months, and 6 months after treatment initiation
|
Erectile function was assessed using the International Index of Erectile Function-5 questionnaire.
The total score ranges from 5 to 25, with higher scores indicating better erectile function.
Scores were compared over time between the platelet-rich plasma plus tadalafil group and the platelet-rich plasma alone group.
|
Baseline, 1 month, 3 months, and 6 months after treatment initiation
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Change in Penile Peak Systolic Velocity
Tidsramme: Baseline and 6 months after treatment initiation
|
Peak systolic velocity was measured by penile duplex Doppler ultrasound after pharmacologic stimulation.
It was used to assess arterial penile blood flow.
Higher values indicate better arterial inflow.
|
Baseline and 6 months after treatment initiation
|
|
Change in Penile End-Diastolic Velocity
Tidsramme: Baseline and 6 months after treatment initiation
|
End-diastolic velocity was measured by penile duplex Doppler ultrasound after pharmacologic stimulation.
It was used to assess venous outflow status during erection.
|
Baseline and 6 months after treatment initiation
|
|
Change in Penile Resistive Index
Tidsramme: Baseline and 6 months after treatment initiation
|
Resistive index was calculated from penile duplex Doppler ultrasound parameters after pharmacologic stimulation.
It was used as an additional measure of penile vascular resistance and erectile hemodynamics.
|
Baseline and 6 months after treatment initiation
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
- Urogenitale sygdomme
- Genitale sygdomme
- Psykiske lidelser
- Kønssygdomme, mandlige
- Mandlige urogenitale sygdomme
- Seksuel dysfunktion, Fysiologisk
- Seksuelle dysfunktioner, psykologiske
- Erektil dysfunktion
- Pyridiner
- Heterocykliske forbindelser, 1-ring
- Heterocykliske forbindelser
- Heterocykliske forbindelser, 2-ring
- Heterocykliske forbindelser, smeltet ring
- Indoler
- Indole alkaloider
- Heterocykliske forbindelser, 3-ring
- Carbolines
- Tadalafil
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- MD 5-10-2025
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-planbeskrivelse
IPD-delingstidsramme
IPD-delingsadgangskriterier
IPD-deling Understøttende informationstype
- STUDY_PROTOCOL
- SAP
- ICF
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