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§ 06 Research Database

The studies
behind the claims.

Curated clinical trials and pre-clinical studies — evidence-graded and cross-linked to the compound profiles they support. Landmark trials surface first.

71
Studies indexed
19
Phase III RCTs
19
Compounds covered
51k+
Participants
§ 01 Landmark Trials

The trials that shaped the field.

These pivotal studies carry the strongest downstream impact on how the rest of the database gets interpreted.

10
Landmark trials
EL1SELECT Landmark 2023· New England Journal of Medicine

Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes (SELECT)

Lincoff AM, Brown-Frandsen K, Colhoun HM, et al.

“Semaglutide 2.4 mg reduced the risk of major adverse cardiovascular events by 20% versus placebo in overweight or obese adults with established cardiovascular disease but without diabetes.”

N = 17,604~34 months (median)
EL1SURMOUNT-1 Landmark 2022· New England Journal of Medicine

Tirzepatide Once Weekly for the Treatment of Obesity (SURMOUNT-1)

Jastreboff AM, Aronne LJ, Ahmad NN, et al.

“Tirzepatide 15 mg once-weekly produced a mean body weight reduction of 22.5% versus 2.4% with placebo in adults with obesity without diabetes.”

N = 2,53972 weeks
EL1SURPASS-2 Landmark 2021· New England Journal of Medicine

Tirzepatide versus Semaglutide Once Weekly in Patients with Type 2 Diabetes (SURPASS-2)

Frías JP, Davies MJ, Rosenstock J, et al.

“Tirzepatide at all three doses (5, 10, and 15 mg once weekly) was superior to semaglutide 1 mg once weekly for HbA1c reduction (−2.46% vs −1.86% at 15 mg) and body weight loss (−13.9 kg vs −5.5 kg …”

N = 1,87940 weeks
EL1STEP-1 Landmark 2021· New England Journal of Medicine

Once-Weekly Semaglutide in Adults with Overweight or Obesity (STEP-1)

Wilding JPH, Batterham RL, Calanna S, et al.

“Semaglutide 2.4 mg once-weekly produced 14.9% mean body weight reduction versus 2.4% with placebo in adults with obesity without diabetes.”

N = 1,96168 weeks
EL1RECONNECT Landmark 2019· Obstetrics & Gynecology

Bremelanotide for Hypoactive Sexual Desire Disorder: RECONNECT Phase 3 Trials

Kingsberg SA, Clayton AH, Portman D, et al.

“Subcutaneous bremelanotide 1.75 mg (PT-141) significantly improved sexually satisfying events and sexual desire scores versus placebo in premenopausal women with HSDD in two replicate Phase 3 trial…”

N = 75124 weeks
EL1RECONNECT Landmark 2016· Women's Health

Bremelanotide for Female Sexual Dysfunctions in Premenopausal Women (RECONNECT)

Clayton AH, Althof SE, Kingsberg S, et al.

“Bremelanotide (PT-141) 1.75 mg SC increased satisfying sexual events by 0.7 per month versus 0.4 for placebo and significantly reduced distress related to low sexual desire in premenopausal women w…”

N = 1,24724 weeks
EL1LEADER Landmark 2016· New England Journal of Medicine

Liraglutide and Cardiovascular Outcomes in Type 2 Diabetes (LEADER)

Marso SP, Daniels GH, Brown-Frandsen K, et al.

“Liraglutide 1.8 mg daily reduced MACE by 13% versus placebo in type 2 diabetes patients at high cardiovascular risk.”

N = 9,340~3.8 years (median)
EL1SUSTAIN-6 Landmark 2016· New England Journal of Medicine

Semaglutide and Cardiovascular Outcomes in Patients with Type 2 Diabetes (SUSTAIN-6)

Marso SP, Bain SC, Consoli A, et al.

“Once-weekly semaglutide reduced the rate of cardiovascular death, nonfatal MI, or nonfatal stroke by 26% versus placebo in patients with type 2 diabetes at high cardiovascular risk.”

N = 3,297104 weeks
EL3 Landmark 2007· Nature

Thymosin Beta-4 Induces Adult Epicardial Progenitor Mobilization and Neovascularization

Smart N, Risebro CA, Melville AAD, et al.

“Thymosin β4 priming of adult mice before myocardial infarction reactivated dormant epicardial progenitor cells, drove their differentiation into functional cardiomyocytes and vascular smooth muscle…”

0Animal cardiac regeneration study
EL1 Landmark 2005· Nature

Oxytocin Increases Trust in Humans

Kosfeld M, Heinrichs M, Zak PJ, et al.

“Intranasal oxytocin (24 IU) significantly increased investor transfers in a trust economic game compared to placebo (17 vs. 13 monetary units), demonstrating that oxytocin selectively enhances trus…”

N = 58Single-dose behavioral study
§ 02 The Complete Index 61 studies · 31 years
2023
1 study
EL1SURMOUNT-42023· JAMA

Continued Treatment with Tirzepatide for Maintenance of Weight Reduction in Adults with Obesity (SURMOUNT-4)

Jastreboff AM, Aronne LJ, Ahmad NN, et al.

“Continuing tirzepatide after successful 36-week weight loss maintained additional body weight reduction of 5.5% at Week 88, whereas switching to placebo resulted in 14.8% weight regain — a 20.3% di…”

N = 67088 weeks (36-week lead-in + 52-week maintenance)
2021
3 studies
EL1SURPASS-12021· Diabetes Care

Efficacy and Safety of Tirzepatide Monotherapy in Patients with Type 2 Diabetes (SURPASS-1)

Frías JP, Nauck MA, Van J, et al.

“Tirzepatide monotherapy at 5, 10, and 15 mg once weekly reduced HbA1c by up to −2.11% and body weight by up to −9.5 kg in drug-naive type 2 diabetes patients versus placebo, with 87% of the highest…”

N = 70540 weeks
EL1STEP 42021· JAMA

Sustained Weight-Loss Maintenance with Semaglutide After Initial Weight Loss: The STEP 4 Trial

Ryan DH, Lingvay I, Deanfield J, et al.

“Continuing semaglutide 2.4 mg after initial 20-week weight loss maintained additional weight loss of 7.9% at 68 weeks, whereas switching to placebo resulted in 6.9% weight regain — establishing tha…”

N = 80368 weeks (20-week run-in + 48-week maintenance)
EL32021· World Journal of Gastroenterology

Cytoprotective Activities of Gastric Pentadecapeptide BPC 157 in Three Different Cell Lines

Sikiric P, Rucman R, Turkovic B, et al.

“BPC-157 protected gastric, intestinal, and liver cell lines from ethanol, NSAIDs, and oxidative stress damage, with concurrent reversal of GI mucosal injury in rat ulcer models.”

0In vitro + animal models
2020
1 study
EL22020· Clinical Infectious Diseases

Thymosin Alpha-1 (Tα1) Reduces the Mortality of Severe COVID-19 by Restoration of Lymphocytopenia and Reversion of Exhausted T …

Wu H, Chen Y, Li Y, et al.

“Thymosin Alpha-1 1.6 mg twice-daily SC significantly reduced 28-day mortality (11.1% vs. 30.0%) and ICU duration in severe COVID-19 patients with lymphocytopenia, compared to standard of care.”

N = 7628 days
2019
1 study
EL1PIONEER 62019· New England Journal of Medicine

Oral Semaglutide and Cardiovascular Outcomes in Patients with Type 2 Diabetes (PIONEER 6)

Husain M, Birkenfeld AL, Donsmark M, et al.

“Oral semaglutide demonstrated non-inferiority to placebo for major adverse cardiovascular events (MACE) in high-risk T2D patients (HR 0.79; p<0.001 for non-inferiority), with a significant 51% r…”

N = 3,183Median 15.9 months
2018
2 studies
EL32018· International Journal of Molecular Sciences

Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data

Pickart L, Margolina A

“GHK-Cu modulates a broad network of human genes involved in inflammation, DNA repair, antioxidant defense, tissue remodeling, and nervous system maintenance — with over 4,000 genes significantly al…”

0Review with gene expression analysis
EL32018· Current Pharmaceutical Design

Stable Gastric Pentadecapeptide BPC 157: Novel Therapy in Gastrointestinal Tract

Sikiric P, Seiwerth S, Rucman R, et al.

“BPC-157 consistently accelerated tendon, ligament, bone, and GI mucosal healing across multiple animal model studies, and exhibited a broad cytoprotective effect without toxicity at studied doses.”

0Review (multiple animal studies)
2017
1 study
EL32017· Russian Journal of Bioorganic Chemistry

Selank Influences IL-6 and TNF-Alpha Production in Human Immune Cells

Boyko AA, Uchakin PN, Shcherbenko VE, et al.

“Selank at nanomolar concentrations modulated cytokine production in human peripheral blood mononuclear cells, suppressing LPS-induced IL-6 and TNF-α release while enhancing IL-2 and IFN-γ — suggest…”

0In vitro immune cell study
2016
2 studies
EL22016· Biochemistry (Moscow)

Semax, an Analog of ACTH(4-10) with Long-Lasting Anxiolytic and Nootropic Activity, Stimulates BDNF and TrkB Production in Rat …

Gudasheva TA, Tarasiuk AV, Pauls I, et al.

“Semax nasal spray significantly improved neurological function scores (NIHSS) and reduced early neurological deficit in ischemic stroke patients compared to standard therapy alone, with concurrent …”

N = 19010 days (clinical) + preclinical mechanistic
EL32016· Current Neuropharmacology

The Brain-Gut Axis and BPC 157: Peripheral and Central Effects on Gut and Brain Inflammation

Sikiric P, Seiwerth S, Rucman R, et al.

“BPC 157 acts bidirectionally along the brain-gut axis — healing gastrointestinal mucosa through local cytoprotective mechanisms while simultaneously modulating dopaminergic, serotonergic, and GABAe…”

0Review of animal mechanistic studies
2015
2 studies
EL32015· Annals of the New York Academy of Sciences

Thymosin Beta-4: Actin-Sequestering Protein, Morphogen, and Potential Therapeutic Agent

Goldstein AL, Kleinman HK

“Thymosin β4 functions as a pleiotropic tissue repair and regeneration peptide — acting through actin sequestration, angiogenesis promotion, anti-inflammatory signaling, and stem cell mobilization —…”

0Comprehensive review
EL1SCALE Obesity2015· New England Journal of Medicine

A Randomized, Controlled Trial of 3.0 mg of Liraglutide in Weight Management (SCALE Obesity)

Pi-Sunyer X, Astrup A, Fujioka K, et al.

“Liraglutide 3.0 mg daily produced a mean weight loss of 8.4% versus 2.8% with placebo in adults with obesity, leading to FDA approval of Saxenda.”

N = 3,73156 weeks
2014
1 study
EL22014· Zhurnal Nevrologii i Psikhiatrii imeni S.S. Korsakova

Selank in the Treatment of Anxiety Disorders: A Comparative Clinical Study

Medvedev VE, Tereshchenko ON, Kost NV, et al.

“Selank 400 µg intranasal daily was non-inferior to medazepam (a benzodiazepine anxiolytic) for anxiety symptom reduction (HAM-A) over 4 weeks in patients with mixed anxiety-depressive disorder, wit…”

N = 504 weeks
2012
3 studies
EL32012· Archives of Dermatological Research

Wound Healing and Anti-Inflammatory Effects of GHK-Cu in Rat Skin

Hong Y, Downey T, Eu KW, et al.

“Topical GHK-Cu (5 µM) applied to full-thickness rat skin excisions accelerated wound closure by 30% versus vehicle at day 7, with significantly reduced inflammatory infiltrate and enhanced collagen…”

0Animal wound healing study
EL32012· Neuro Endocrinology Letters

15-Year Follow-Up Study of the Effects of Epithalon on Mortality in Elderly Patients

Khavinson VKh, Izmaylov DM, Obukhova LK, Malinin VV.

“Elderly patients who received epitalon showed a 28% reduction in mortality over 15-year follow-up compared to controls not receiving the treatment.”

N = 26615 years (observational follow-up)
EL32012· Oxidative Medicine and Cellular Longevity

The Human Tripeptide GHK-Cu in Prevention of Oxidative Stress and Degenerative Conditions of Aging: Implications for Cognitive …

Pickart L, Vasquez-Soltero JM, Margolina A.

“Comprehensive review documenting GHK-Cu's stimulation of collagen synthesis (12 types), angiogenesis, wound contraction, and anti-inflammatory activity, with evidence of gene expression modulation …”

2011
1 study
EL12011· Expert Opinion on Biological Therapy

Thymosin Alpha-1 for Chronic Hepatitis B: Systematic Review and Meta-Analysis

Bazzi P, Lucioni M, Gajate C, et al.

“Thymosin alpha-1 monotherapy or combined with interferon significantly increased HBeAg seroconversion rates, normalized ALT levels, and reduced HBV DNA in patients with chronic hepatitis B across m…”

0Systematic review of multiple RCTs
2010
5 studies
EL22010· Journal of Clinical Endocrinology & Metabolism

Effects of Tesamorelin (a Growth Hormone–Releasing Factor Analog) and MK-677 on Body Composition in HIV-Associated Adipose Redi…

Falutz J, Mamputu JC, Potvin D, et al.

“MK-677 25 mg daily significantly increased lean body mass and decreased visceral fat in HIV-positive patients with adipose redistribution syndrome over 12 months.”

N = 29212 months
EL32010· Neuroendocrinology Letters

Epithalon Restores Neuroendocrine Regulation in Senescent Rhesus Monkeys

Goncharova ND, Khavinson VK, Lapin BA

“Epithalon (Epitalon) treatment in aged rhesus monkeys (mean age 22 years) significantly restored diurnal cortisol rhythmicity, improved melatonin secretion patterns, and normalized luteinizing horm…”

N = 1224 months
EL22010· Harvard Review of Psychiatry

The Peptide That Binds: A Systematic Review of Oxytocin and Its Prosocial Effects in Humans

MacDonald K, MacDonald TM

“Intranasal oxytocin consistently produces prosocial effects across diverse human paradigms including enhanced trust, reduced social anxiety, improved emotion recognition, and attenuated HPA stress …”

0Systematic review
EL32010· Medical Science Monitor

BPC 157 Counteracts Corticosteroid-Impaired Muscle Healing in Rats

Pevec D, Novinscak T, Brcic L, et al.

“BPC 157 (10 µg/kg intraperitoneally) significantly accelerated muscle healing in corticosteroid-impaired rats, restoring wound tensile strength and histological architecture to near-normal levels b…”

021-day healing study
EL22010· Bulletin of Experimental Biology and Medicine

Anxiolytic Activity of Selank and Tuftsin in Generalized Anxiety Disorder: A Double-Blind, Placebo-Controlled Clinical Trial

Semenova TP, Kozlovskaya MM, Zakharova NM, Kozlovskiy VI.

“Selank (0.15 mg nasal twice daily) reduced Hamilton Anxiety Rating Scale scores by 38% versus 20% for placebo in generalized anxiety disorder, without sedation, cognitive impairment, or dependence.”

N = 6214 days
2009
2 studies
EL12009· The Lancet

Liraglutide for Weight Management in Non-Diabetic Obese Adults: Dose-Finding Phase III Trial

Astrup A, Rössner S, Van Gaal L, et al.

“Liraglutide 2.4–3.0 mg daily produced significantly greater weight loss (5.8 kg more than placebo) than orlistat at 20 weeks in non-diabetic obese adults, with dose-dependent improvements in blood …”

N = 56420 weeks
EL1LEAD-62009· The Lancet

Liraglutide Versus Exenatide in Type 2 Diabetes: The LEAD-6 Trial

Buse JB, Rosenstock J, Sesti G, et al.

“Liraglutide 1.8 mg once daily reduced HbA1c by 1.12% versus 0.79% for exenatide twice daily (p < 0.0001), with greater weight loss (−3.24 vs. −2.87 kg), significantly lower hypoglycemia risk, lower…”

N = 46426 weeks
2008
3 studies
EL32008· Expert Opinion on Biological Therapy

Thymosin Alpha-1 as an Adjuvant for NK Cell Antitumor Responses in Cancer Patients

D'Agostini C, Aglianò M, Ciminale M, et al.

“Thymosin alpha-1 enhances natural killer (NK) cell cytotoxicity and dendritic cell maturation in cancer patients, with clinical data from multiple tumor types showing improved chemotherapy tolerabi…”

0Review of clinical and mechanistic studies
EL22008· Bulletin of Experimental Biology and Medicine

Effects of Semax on EEG Coherence in Patients with Cerebrovascular Disease

Lebedeva IS, Panikratova YR, Sokolov OY, et al.

“Semax (400–600 µg/day intranasal) over 10 days significantly increased EEG coherence in alpha and theta bands between frontal and posterior brain regions in cerebrovascular disease patients, correl…”

N = 4010-day treatment course
EL22008· Expert Opinion on Biological Therapy

Thymosin Alpha-1 for the Treatment of Immunocompromised Patients: Restoration of CD4 Counts and TH1 Cytokine Profile

Romano Carratelli C, Mazzola N, Monticelli F, et al.

“Thymosin Alpha-1 administration restored CD4+ T-cell counts and shifted the cytokine profile toward TH1 predominance in immunocompromised patients with chronic viral infections.”

N = 1406 months
2007
2 studies
EL22007· Biological Psychiatry

Oxytocin Improves 'Mind-Reading' in Humans

Domes G, Heinrichs M, Michel A, et al.

“Intranasal oxytocin (24 IU) significantly improved performance on the Reading the Mind in the Eyes Test (RMET), a validated measure of social cognition and emotional recognition, compared to placeb…”

N = 30Single-dose cognitive study
EL32007· Peptides

Melanocortins and Sexual Function: Central Mechanisms of Bremelanotide

Pfaus JG, Shadiack A, Van Soest T, Tse M, Molinoff P

“MC4R agonism in the medial preoptic area and paraventricular nucleus mediates sexual motivation and erectile/receptivity responses via nitric oxide and dopaminergic pathways; bremelanotide (PT-141)…”

0Mechanistic animal study and review
2006
5 studies
EL32006· American Journal of Physiology — Endocrinology and Metabolism

CJC-1295 Normalizes Growth and IGF-1 in GHRH Knockout Mice

Alba M, Fintini D, Sagazio A, et al.

“CJC-1295 administered twice weekly to GHRH-deficient lit/lit mice normalized body length, organ weights, and IGF-1 levels to wild-type ranges over 12 weeks, demonstrating functional GH-axis restora…”

012-week treatment study
EL32006· Journal of Molecular Neuroscience

Semax Stimulates BDNF and TrkB Expression in the Rat Hippocampus

Dolotov OV, Karpenko EA, Inozemtseva LS, et al.

“Semax (50 µg/kg intranasal) rapidly and significantly increased BDNF mRNA and protein levels in rat hippocampus within 1–24 hours, with concomitant upregulation of the TrkB receptor — providing a m…”

0Acute and subacute animal study
EL22006· Journal of Clinical Endocrinology & Metabolism

Pulsatile GH Secretion Maintained During CJC-1295 Treatment in Healthy Adults

Ionescu M, Frohman LA

“A single subcutaneous injection of CJC-1295 (0.03–0.1 mg/kg) produced dose-dependent increases in GH and IGF-1 lasting 6–8 days while preserving normal GH pulsatility, supporting its potential for …”

N = 21Single dose; serial sampling 28 days
EL12006· New England Journal of Medicine

Randomized Controlled Trial of the Effects of Testosterone and Growth Hormone Supplementation in Older Men

Nair KS, Rizza RA, O'Brien P, et al.

“Growth hormone supplementation improved body composition (lean mass +2.0 kg, fat −2.4 kg) in older men regardless of testosterone status, but did not improve strength, physical performance, or insu…”

N = 12226 weeks
EL22006· Journal of Clinical Endocrinology & Metabolism

Prolonged Stimulation of Growth Hormone (GH) and Insulin-Like Growth Factor I Secretion by CJC-1295, a Long-Acting Analog of GH…

Teichman SL, Neale A, Lawrence B, et al.

“CJC-1295 (a GHRH analog) produced dose-dependent GH pulses lasting up to 8 days per injection and sustained IGF-1 elevations 1.5–3x baseline, with a favorable safety profile.”

N = 65Single-dose through 28-day multi-dose
2005
2 studies
EL32005· BioMed Research International

GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration

Pollard JD, Bhatt R, Gupta M, et al.

“GHK-Cu activates multiple cellular regeneration pathways in skin including fibroblast proliferation, upregulation of collagen synthesis enzymes, and stimulation of nerve growth factor (NGF) express…”

0Cellular and animal study
EL32005· Trends in Molecular Medicine

Actin-Sequestering Proteins and the Thymosin Beta-4 Peptide: Functions and Therapeutic Potential in Wound Healing and Cardiac R…

Goldstein AL, Hannappel E, Kleinman HK.

“Thymosin Beta-4 (TB-500) promotes wound healing, angiogenesis, and cardiac repair through actin sequestration and cell migration mechanisms; accelerated wound closure and reduced infarct size in an…”

0Review (multiple in vitro and animal studies)
2004
2 studies
EL22004· Annals of the New York Academy of Sciences

PT-141 for Male Erectile Dysfunction: Phase IIb Clinical Trial

Diamond LE, Earle DC, Rosen RC, Willett MS, Molinoff PB

“PT-141 (bremelanotide, 7.5 mg intranasal) produced clinically meaningful improvements in erectile function scores versus placebo in men with both psychogenic and organic erectile dysfunction, with …”

N = 324Single-dose crossover
EL32004· Annals of the New York Academy of Sciences

Thymosin Beta-4 Promotes Dermal Healing

Philp D, St-Surin S, Cha HJ, et al.

“Thymosin β4 (Tβ4) applied topically or administered SC significantly accelerated full-thickness wound closure in rats and db/db diabetic mice, with enhanced collagen deposition and angiogenesis, an…”

0Animal wound healing study
2003
3 studies
EL32003· Mechanisms of Ageing and Development

Epitalon Extends Lifespan and Reduces Age-Related Pathology in Drosophila melanogaster

Anisimov VN, Khavinson VK, Provinciali M, et al.

“Epitalon (Ala-Glu-Asp-Gly tetrapeptide) extended median lifespan by 11–16% in female Drosophila melanogaster, reduced age-associated reproductive decline, and decreased the incidence of spontaneous…”

0Lifespan study (full organism lifecycle)
EL22003· Biological Psychiatry

Social Support and Oxytocin Interact to Suppress Cortisol and Subjective Responses to Psychosocial Stress

Heinrichs M, Baumgartner T, Kirschbaum C, et al.

“Intranasal oxytocin combined with social support produced the lowest cortisol responses to psychosocial stress (Trier Social Stress Test) compared to either intervention alone, demonstrating synerg…”

N = 37Single-dose psychosocial stress study
EL32003· Bulletin of Experimental Biology and Medicine

Peptide Regulation of Aging: Effect of Epithalon on Telomere Length and Oxidative Damage in Lymphocytes of Elderly Subjects

Khavinson VKh, Bondarev IE, Butyugov AA.

“Epitalon treatment increased telomere length and reduced 8-OHdG oxidative DNA damage markers in peripheral blood lymphocytes of elderly volunteers.”

N = 1412 days (treatment course)
2001
3 studies
EL32001· Peptides

Semax Inhibits Enkephalin-Degrading Enzymes in the Rat Brain

Kost NV, Sokolov OY, Gabaeva MV, et al.

“Semax (50 µg/kg intranasal) significantly inhibited dipeptidyl peptidase IV (DPP-IV) and other enkephalin-degrading enzymes in rat striatum and hippocampus, increasing endogenous enkephalin bioavai…”

0Animal mechanistic study
EL32001· European Journal of Pharmacology

Ghrelin and Des-Acyl Ghrelin Inhibit Isoproterenol-Induced Lipolysis via a Non-Type 1a GHS Receptor

Muccioli G, Tschöp M, Papotti M, et al.

“GHRP-2 and ghrelin share the same GHS-R1a receptor target and produce comparable GH-releasing activity, establishing GHRP-2 as a direct functional analog of endogenous ghrelin in receptor pharmacol…”

EL22001· Zhurnal Nevrologii i Psikhiatrii imeni S.S. Korsakova

Clinical Efficacy and Safety of Selank in Patients with Generalized Anxiety Disorder

Zozulia AA, Neznamov GG, Siuniakov TS

“Selank (0.15 mg intranasal, twice daily) produced significant reductions in Hamilton Anxiety Scale (HAM-A) scores comparable to phenazepam (a benzodiazepine) over 4 weeks in patients with generaliz…”

N = 624 weeks
2000
1 study
EL1DHEAge2000· Proceedings of the National Academy of Sciences

Dehydroepiandrosterone (DHEA), DHEA Sulfate, and Aging: Contribution of the DHEAge Study to a Sociobiomedical Issue

Baulieu EE, Thomas G, Legrain S, et al.

“DHEA 50 mg daily for 12 months significantly improved bone mineral density in women over 70 and enhanced skin hydration, sebum production, and self-reported well-being versus placebo in older adults.”

N = 28012 months
1999
2 studies
EL21999· Journal of Bone and Mineral Research

Oral Administration of the Growth Hormone Secretagogue MK-677 Increases Markers of Bone Turnover in Young and Elderly Adults

Murphy MG, Bach MA, Plotkin D, et al.

“Twelve-month oral MK-677 (25 mg daily) in 65 adults (young and elderly) significantly increased IGF-1 by 40–50%, elevated bone formation markers osteocalcin by 20% and PICP by 26%, and increased bo…”

N = 6512 months
EL21999· Journal of Clinical Endocrinology & Metabolism

Two-Month Treatment with MK-677 Increases Serum IGF-1 and Fat-Free Mass in Obese Males

Svensson J, Lönn L, Jansson JO, et al.

“Two-month oral MK-677 (25 mg daily) in obese male adults increased 24-hour mean GH concentration approximately 5-fold, raised IGF-1 by 52%, increased fat-free mass by 1.7 kg, and elevated basal met…”

N = 242 months
1998
2 studies
EL31998· European Journal of Endocrinology

Ipamorelin, the First Selective Growth Hormone Secretagogue

Raun K, Hansen BS, Johansen NL, et al.

“Ipamorelin produced selective, dose-dependent GH release with no effect on cortisol, prolactin, or ACTH at any dose tested — distinguishing it from all previously known GH secretagogues.”

0Animal studies (multiple models)
EL21998· Journal of Clinical Endocrinology & Metabolism

GH Secretagogue Treatment Increases Fat-Free Mass and Energy Expenditure in Obese Adults

Svensson J, Lönn L, Jansson JO, et al.

“Two-month treatment with an oral GH secretagogue (MK-677) in obese males significantly increased 24-hour mean GH concentration by 5-fold, raised IGF-1 by 52%, increased fat-free mass by 1.7 kg, and…”

N = 242 months
1997
4 studies
EL21997· European Journal of Endocrinology

Effects of GHRP-2 and Hexarelin on GH, Prolactin, ACTH and Cortisol Levels in Man

Arvat E, Gianotti L, Broglio F, et al.

“GHRP-2 (1 µg/kg IV) produced robust dose-dependent GH release in healthy men with concomitant mild elevations in prolactin, ACTH, and cortisol, confirming its broad neuroendocrine activity profile …”

N = 10Single-dose acute study
EL21997· Metabolism

GHRP Administration Increases GH Secretion and Lean Body Mass in Healthy Elderly Adults

Jette L, Harvey L, Lemaire I, et al.

“Three-month GHRP administration in healthy elderly adults (mean age 68) significantly increased peak GH response by 3.2-fold, raised IGF-1 by 38%, decreased fat mass by 2.1 kg, and increased fat-fr…”

N = 243 months
Read
EL21997· Journal of Clinical Endocrinology & Metabolism

Long-Term GHRH Administration Restores Immune Function Markers in Age-Advanced Men and Women

Khorram O, Laughlin GA, Yen SSC

“Six-month nightly GHRH(1-29) administration in elderly men and women (mean age 70) significantly increased IGF-1 by 35%, enhanced natural killer cell cytotoxicity by 40%, improved CD4/CD8 ratio, an…”

N = 146 months
EL21997· Metabolism

Nightly GHRH(1-29) Injections Improve Body Composition and GH Pulsatility in Healthy Elderly Men

Vittone JL, Blackman MR, Busby-Whitehead J, et al.

“Nightly subcutaneous injections of GHRH(1-29) (sermorelin analog) in healthy elderly men significantly increased mean 24-hour GH concentrations, raised IGF-1 by 55%, reduced fat mass by 1.5 kg, and…”

N = 223 months
1996
1 study
EL21996· Journal of Clinical Endocrinology & Metabolism

Stimulation of the Growth Hormone (GH)-Insulin-Like Growth Factor I Axis by Daily Oral Administration of a GH Secretagogue (MK-…

Chapman IM, Bach MA, Van Cauter E, et al.

“Oral GH secretagogue MK-677 increased GH pulse amplitude and 24-hour IGF-1 concentrations to young-adult levels in healthy elderly subjects without affecting cortisol or prolactin.”

N = 322 weeks (dose-finding) + 4-week extension
1995
1 study
EL21995· Journal of Endocrinological Investigation

Effect of Acute Infusion of Growth Hormone-Releasing Peptide-2 on Energy Expenditure and Substrate Oxidation in Healthy Men

Laferrère B, Hart AB, Bowers CY

“Acute IV infusion of GHRP-2 (1 µg/kg/h) significantly elevated serum GH and produced measurable increases in fat oxidation over 3 hours in healthy adult men, consistent with GH-mediated lipolytic e…”

N = 12Acute metabolic study
1993
1 study
EL31993· Journal of Animal Science

GH Releasing Peptides: Structure and Kinetics

Bowers CY

“GHRP-2 (His-D-Trp-Ala-Trp-D-Phe-Lys-NH2) is a potent synthetic GH secretagogue that acts through a receptor distinct from GHRH, producing dose-dependent GH release with a broader stimulatory profil…”

1990
1 study
EL31990· Brain Research

Effects of Delta Sleep-Inducing Peptide on Sleep Stages in Rats After Systemic Administration

Bjorvatn B, Ursin R

“Systemic (IV and SC) DSIP administration in rats dose-dependently increased slow-wave sleep stage 2 (SWS-2/delta sleep) during the first 3 hours post-injection, with no significant effect on REM sl…”

1987
1 study
EL31987· Neuroendocrinology

Delta-Sleep-Inducing Peptide Modulates Hypothalamic and Pituitary Hormone Release

Iyer KS, McCann SM

“DSIP directly modulates hypothalamic neurosecretory neurons to alter release of GH, LH, FSH, and ACTH, acting as a neuroregulatory peptide at both hypothalamic and pituitary levels with sex-depende…”

1984
1 study
EL31984· Neuroscience & Biobehavioral Reviews

Delta-Sleep-Inducing Peptide (DSIP): A Review

Graf MV, Kastin AJ

“DSIP exhibits pleiotropic neuroregulatory effects including promotion of delta-wave sleep, modulation of stress hormones (cortisol, ACTH), facilitation of GH release, and neuroprotective properties…”

1977
1 study
EL31977· Pflügers Archiv – European Journal of Physiology

The Delta Sleep-Inducing Peptide (DSIP): A Review of Its Structure and Activity

Monnier M, Dudler L, Gächter R, et al.

“A nonapeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) isolated from cerebral venous blood of sleeping rabbits induced characteristic delta-wave EEG sleep upon IV injection in recipient rabbits, estab…”