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Anti-aging Research > Growth Hormone.
Growth Hormone
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Alternative News:
-
Effect of dapagliflozin on
cardiac function and metabolic and hormonal responses to exercise - J Clin
Endocrinol Metab 2022 Oct 24 - "During the exercise
protocol glucose and lactate were lower (p < 0.0001, p < 0.05 respectively) and
β-hydroxybutyrate (BOBH) and growth hormone (GH) were higher (p < 0.0005, p =
0.01) following dapagliflozin treatment compared to placebo. There was a trend
for lower insulin with dapagliflozin. Adrenalin, noradrenalin and glucagon were
not different. Following dapagliflozin participants demonstrated an increased
mean peak diastolic mitral annular velocity (e') in comparison to placebo (p =
0.03). The indexed left atrial volume and right ventricular e' were reduced
following dapagliflozin compared with placebo (p = 0.045, p = 0.042
respectively). Arterial stiffness was not different between treatments
(dapagliflozin 9.35 ± 0.60m/s; placebo 9.07 ± 0.72 m/s)" - See
dapagliflozin at reliablerxpharmacy.com.
- Oral
Supplementation Using Gamma-Aminobutyric Acid and Whey Protein Improves
Whole Body Fat-Free Mass in Men After Resistance Training - J Clin Med
Res. 2019 Jun;11(6):428-434 - "Oral gamma-aminobutyric
acid (GABA) supplementation increases growth hormone (GH) serum levels and
protein synthesis. Therefore, post-exercise supplementation using GABA and
protein may help enhance training-induced muscle hypertrophy ... Twenty-one
healthy men (26 - 48 years) were randomized to receive whey protein (WP; 10
g) or whey protein + GABA (WP + GABA; 10 g + 100 mg) daily for 12 weeks ...
After 12 weeks, the WP + GABA group exhibited significantly greater increase
in whole body fat-free mass than the WP group" - [Nutra
USA] - See
GABA at Amazon.com.
- l-Leucine Increases
Skeletal Muscle IGF-1 but Does Not Differentially Increase Akt/mTORC1
Signaling and Serum IGF-1 Compared to Ursolic Acid in Response to Resistance
Exercise in Resistance-Trained Men - J Am Coll Nutr. 2016 Jun 22:1-12 -
"l-leucine increased skeletal muscle IGF-1
concentration in resistance-trained men" - See BulkSupplements Pure L-Leucine Powder (1 Kilogram).
-
Routine periodic fasting is good for your health, and your heart, study
suggests - Science Daily, 4/3/11 - "fasting not
only lowers one's risk of coronary artery disease and diabetes, but also
causes significant changes in a person's blood cholesterol levels ...
fasting was also found to reduce other cardiac risk factors, such as
triglycerides, weight, and blood sugar levels ... During the 24-hour fasting
periods, HGH increased an average of 1,300 percent in women, and nearly
2,000 percent in men"
- HGH: A Shortcut to
Healthy Aging? - Dr. Weil, 2/23/07
- Human Growth
Hormone (HGH) and Insulin-like Growth Factor-1 (IGF-1) Supplements -
ConsumerLab.com, 12/14/03 - "The amino acids
arginine, glutamine, histidine, methionine, phenylalanine, and lysine all
appear to cause a rise in growth hormone that lasts for an hour or so ...
the effects are very short-lived ... HGH spiked for a half hour or so after
use of supplement, but then fell back to its original level"
-
Do noninjectable forms of human growth hormone work? - Nutrition Science
News, 11/00
- DHEA and Aging -
Medscape, 3/15/00 - "DHEA administration resulted in
an elevation of serum IGF-I levels in men (16 +/- 6%, P = 0.04) and in women
(31 +/- 12%, P = 0.02)."
-
Growth Hormone Enhancer - Nutrition Science News, 1/00
-
Neuroendocrine evidence for dopaminergic actions of hypericum extract (LI
160) in healthy volunteers - Biol Psychiatry 1999 Aug 15;46(4):581-4 -
"Following
HP relative to placebo, there was a significant increase in plasma GH
[growth hormone] and a significant decrease in plasma PRL [prolactin]"
(prolactin is bad for your sex like)
-
The Growing Impact of Growth Hormone - Life Extension Magazine, 6/97
Other Anti-aging News:
-
Association
between IGF-1 levels ranges and all-cause mortality: A
meta-analysis - Aging Cell 2022 Jan 20 -
"with respect to the low IGF-1 category,
higher IGF-1 was not associated with increased risk of all-cause
mortality (HR = 0.84, 95% CI = 0.68-1.05). Dose-response
analysis revealed a U-shaped relation between IGF-1 and
mortality HR. Pooled results comparing low vs. middle IGF-1
showed a significant increase of all-cause mortality (HR = 1.33,
95% CI = 1.14-1.57), as well as comparing high vs. middle IGF-1
categories (HR = 1.23, 95% CI = 1.06-1.44). Finally, we provide
data on the association between IGF-1 levels and the intake of
proteins, carbohydrates, certain vitamins/minerals, and specific
foods. Both high and low levels of IGF-1 increase mortality
risk, with a specific 120-160 ng/ml range being associated with
the lowest mortality. These findings can explain the apparent
controversy related to the association between IGF-1 levels and
mortality"
-
Growth hormone linked to signs of aging - Science Daily, 6/16/14 -
"in the case of the heart (which is structurally a
muscle), those who have a deficit in growth hormone may have reduced life
expectancy by the accelerated loss of muscle mass ... by administering
recombinant human growth hormone to adults (between 40 and 80 years of age)
with GH deficiency, protein synthesis increases in almost all the cells of
the body, coupled with the favored mobilization of fatty acids in Adipose
tissue, which increases the amount of free fatty acids in blood and its use
as an energy source. It also decreases the amount of glucose used throughout
the body resulting in an increase of lean body mass"
- Note: Growth hormon increases IGF-1 and some studies
claim a higher IGF-1 accelerate aging:
Eat less, live longer? - New Scientist, 6/3/10 -
"One piece of evidence for this idea comes from studies in fruit flies and
rodents. If these animals are fed special diets with less amino acids - the
building blocks of
proteins - they can eat as many calories
as they want and still live longer ... The protein theory is bad news for
people on low-carbohydrate weight-loss plans like the
Atkins diet.
"I'd be wary of diets that put a heavy emphasis on protein," says Piper.
"It's hard to see how that could be healthy." Fontana goes one step further,
saying that high-protein diets could risk accelerated ageing and cancer ...
There may be another reason for vegans to celebrate. Studies on flies and
rodents suggest that cutting intake of one particular amino acid, called
methionine, lengthens life to a similar degree as
calorie restriction.
Proteins in meat and other animal products have high levels of methionine,
so a vegan diet would score well by that measure, too"
-
Human growth hormone: Not a life extender after all? - Science Daily,
1/26/10 - "People profoundly deficient in human
growth hormone (HGH) due to a genetic mutation appear to live just as long
as people who make normal amounts of the hormone, a new study shows"
-
Low
growth hormone levels linked to memory defects later in life can be
prevented with early growth hormone treatment - Science Daily, 1/11/10
-
Hormone May Hold Key To Helping Elderly Men Live Longer - Science Daily,
5/27/08 "Elderly men with higher activity of the
hormone IGF-1--or insulin-growth factor 1--appear to have greater life
expectancy and reduced cardiovascular risk ... Subjects with the lowest
IGF-1 function had a significantly higher mortality rate than subjects with
the highest IGF-1 bioactivity" - Note: Response to growth hormone is
measured by IGF-1.
-
Direct Evidence for Beneficial Effect of Growth Hormone Replacement on
Mortality in Adults With Deficiency - Doctor's Guide, 5/7/08 -
"Levels of insulin growth factor I (IGF-I) correlate
with mortality rates in patients with severe growth hormone deficiency (GHD)
on growth hormone (GH) replacement therapy ... Significantly increased
mortality rates in the study population were seen for: females (1.36; 95%
CI, 1.10-1.66); diabetes insipidus (1.66; 95% CI, 1.31-2.07);
craniopharyngioma (2.00; 95% CI, 1.40-2.77); and malignancy as underlying
disease (3.03; 95% CI, 2.15-4.16). Nonfunctioning pituitary adenoma was
associated with significantly decreased SMR (0.57; 95% CI, 0.45-0.72)"
-
Review: Growth hormone effects limited in athletes - CNN, 3/17/08
-
IGF-1 and IGFBP-3: Risk of prostate cancer among men in the Prostate, Lung,
Colorectal and Ovarian Cancer Screening Trial - Int J Cancer. 2007 Jun 27 -
"our large prospective study showed no overall
association between the insulin-like growth factor axis and prostate cancer
risk, however, IGFmr was related to risk for aggressive prostate cancer in obese
men" - One less thing to worry about for men on hGH. - Ben
-
Growth Hormone To Boost Athletic Performance Risks Diabetes - Science
Daily, 2/26/07 - "The authors believe that this is
the first reported case of diabetes associated with the use of high dose
growth hormone, and urge anyone taking high doses to regularly check their
blood sugar levels"
-
Growth Hormones Not Fountain of Youth - WebMD, 1/16/07 -
"participants who took human growth hormones were
significantly more likely to develop joint swelling and pain, and carpal
tunnel syndrome ... While growth hormone did appear to increase lean muscle
mass and reduce body fat by an average of just over 4 pounds, it did not
appear to have an effect on other measures of fitness, including bone
densitybone density, cholesterol, and lipid levels"
-
HGH Threat: Works Like Steroids but Undetectable - ABC News, 6/14/06
- Patient
Instructions for Human Growth Hormone - Mount Rogers Clinic
-
Growth Hormone - The Controversy That Never Was - Think Muscle
Newsletter
-
Growth Hormone Deemed Illegal for Off-Label Antiaging Use - Medscape,
10/28/05 - "1988 and 1990 amendments to the Food,
Drug, and Cosmetic Act (FDCA) make off-label distribution or provision of GH
to treat aging or age-related diseases illegal in the U.S."
-
Growth Hormone Treatment Improves Symptoms Of Metabolic Disorder In
Postmenopausal Women - Science Daily, 4/10/05 -
"the GH treatment in postmenopausal women
significantly reduced their intra-abdominal fat, increased thigh muscle
area, reduced low-density lipoprotein (LDL) cholesterol concentration, and
improved insulin sensitivity"
-
Hormone Raised Patients' Exercise Capacity by 7% - Clinical Psychiatry
News, 12/04 - "Physiologic doses of growth hormone
can increase exercise capacity in adults with growth hormone deficiency, as
well as improve their body composition and lipid levels ... Subjects in the
study group lost an average of 1.9 kg of fat, and gained 1.8 kg of lean body
mass. Their total and LDL cholesterol levels both dropped an average of 0.5
mmol/L. Treatment increased the subjects' maximal oxygen uptake by 6%,
compared with placebo"
-
Growth Hormone Injections Increase Muscle Mass, Decrease Fat Mass in
Patients With Chronic Obstructive Pulmonary Disease
- Doctor's Guide, 9/10/04 - "lean body mass
increased significantly in the two growth hormone groups compared with
placebo and with baseline. The gains were noticeable as early as 1 month
into treatment. At month 3, the 1-mg group increased by a mean of 1.3 kg,
the 2-mg group increased by a mean of 0.9 kg, and the placebo group lost a
mean of 0.1 kg"
-
Higher Circulating Concentrations of Insulin-Like Growth Factor-1 and Main
Binding Protein Appear Associated with Increased Risk of Common Cancers
- Doctor's Guide, 4/23/04 -
"The odds ratios of patients in the 75th percentile
compared with the 25th percentile of IGF-1 concentrations were 1.49 for
prostate cancer, and 1.65 for premenopausal breast cancer, compared with
1.18 for colorectal cancer, 1.01 for lung cancer, and 0.95 for
postmenopausal breast cancer" - Note: hGH therapy increases IGF-1.
- Can a shot a day
(safely) keep aging away? - MSNBC, 4/19/04 -
"The types of studies we should be using to resolve this question are few,
small and have rarely included women. Here are some of the more notable
ones:"
-
Growth Hormone May Be Fat Fighter - WebMD, 2/13/04 -
"the dosage of growth hormone was increased to 400 µg per day in men and 600
µg in women ... those who used growth hormone lost an average of about 5
pounds and kept it off for up to nine months. Researchers say the weight
loss was entirely caused by a loss of body fat ... growth hormone improved
cholesterol profiles -- increasing the level of "good" HDL cholesterol by
19%" - Maybe my math is off but I calculate 500 micrograms to be 1.5
IU (0.5 mg/5mg = x /15 IU, x = .5 mg * 15 IU/5 mg, x = 1.5 IU) - Ben
-
Insulin-Like Growth Factor I Has Direct Effect on Glucose and Protein
Metabolism in Type 1 Diabetes - Doctor's Guide, 1/29/04 -
"circulating IGF-I may act in concert with insulin to control glucose and
protein metabolism" - Note: Growth hormone increases IGF-I.
-
Growth Hormone May Aid Weight Loss - WebMD, 6/30/03
-
Obese Individuals Experience Modest Weight Loss with Growth-Hormone Therapy
- Doctor's Guide, 6/24/03 - "9-month study ... were
encouraged to slowly
lose weight by exercising and reducing their daily caloric intake by 500
calories. Twenty-three subjects self-injected growth hormone nightly and 17
self-administered placebo injections ... People who took growth hormone lost
an average of 2.4 kg, or 5.25 pounds. This weight loss was all due to loss
of body fat; they did not lose any muscle mass ... Most of the fat loss was
in the abdominal area. There were also
improvements in high-density lipoprotein cholesterol of about 19%"
-
Recombinant Human Growth Hormone Improves Body Composition in Adults with
Growth Hormone Deficiency - Doctor's Guide, 4/29/03 -
"After 6 months of therapy, patients receiving recombinant human growth
hormone had significant increases in lean body mass compared with patients
taking placebo ... This increase was significantly higher in men than women
... Overall, therapy was well tolerated, with the most common side effects
being
arthralgia,
myalgia,
peripheral oedema and
paresthesia. Most
often, these were mild or moderate in severity"
- I calculate Saizen® 0.005 to 0.010 mg/kg/day to be 1.03 IU to 2.06 IU per
day for a 150 pound person.
-
Growth Hormone Increase Bone Content In Osteoporotic Postmenopausal Women
- Doctor's Guide, 3/12/03 - "80
osteoporotic
postmenopausal women, aged between 50 and 70, who were using oestrogen
therapy (HRT), were randomised to receive
either recombinant human growth hormone (GH), 1.0 U or 2.5 U/day,
subcutaneous, or placebo. Calcium (750 mg) and vitamin D (400 U) were given
to all patients as well ... At 3 years, when GH was discontinued, total body
and femoral neck bone mineral content had increased in both GH-treated
groups, and differences were not significant ... At the fourth year of
follow-up, total body boner mineral content had increased 5% and lumbar
spine bone mineral content increased 14% among women who received GH 2.5 U,
and compared with placebo. Femoral neck bone mineral density increased 5%
and bone mineral content 13% for women taking GH 2.5 U compared with those
taking GH 1.0 U"
-
Geriatric Growth Hormone Interventions Not Ready For Clinical Use
- Doctor's Guide, 11/13/02
- GH,
Sex Steroids Should Be Confined to Controlled Trials
- Medscape, 11/12/02 - "These drugs increase lean
body mass and decrease fat mass, and increase cardiovascular endurance a
little in older men, but there are significant adverse effects ... After 26
weeks of treatment, both men and women had significant increases in lean
body mass and decreases in fat mass after treatment with hGH. Men treated
with both hGH and
testosterone had greater improvements in these measures than did those
who were treated with either hormone alone ...
Arthralgias
occurred in 41% of the men taking hGH but in none of the women, and carpal
tunnel symptoms occurred in 32% of the men taking hGH plus testosterone but
in none of the women. However, edema developed in none of the men, in 39%
of the women taking hGH alone, and in 38% of the women taking hGH plus HRT"
-
Growth Hormone in Older Patients Risky - WebMD, 11/12/02
-
Growth Hormone Benefits Cardiomyopathy Patients - Doctor's Guide, 9/2/02
- "Growth hormone reduces serum levels of
proinflammatory
cytokines in patients with chronic heart failure secondary to idiopathic
dilated cardiomyopathy. It also reduces soluble Fas and soluble Fas ligand
system in these patients ... The investigators also observed significant
improvements in peak oxygen consumption"
-
Sex And Age Influence Hormone Relationships In Acromegaly
- Doctor's Guide, 7/31/02 - "Healthy females
secreted three times more growth hormone than males but had similar serum
IGF-I levels. In those with growth hormone deficiency, women needed 30-50
percent more exogenous growth hormone to maintain the same serum IGF-I as
men"
-
Low Levels of Insulin-like Growth Factor I Linked to Cognitive Decline
- Doctor's Guide, 7/29/02 - "low levels of
insulin-like growth factor (IGF-I) impair information-processing speed ...
IGF-I levels below a certain threshold (<9.39 nmol/L) affect both the level
and rate of decline of information-processing speed ... increasing the level
of IGF-I by improving nutritional status in elderly with low IGF-I levels
may prevent cognitive decline" - Note: Growth hormone also increases
IGF-1.
- Growth
Hormone for CFS in Older Patients - Medscape, 5/02 -
"Only 1 study was located in which patients with
CFS were treated with GH therapy.[7] Twenty patients with CFS with peak
serum GH levels below 10 mcL during sleep were randomized to receive either
GH therapy (6.7 mcg/kg/day) for 12 weeks or placebo. When this treatment
period ended, 17 individuals were given GH treatment at the previously
identified dosage, leading to significant increases in IGF-1, fat-free body
mass, and total body water at 12 months. However, quality of life (assessed
by 2 measures) in this cohort did not improve during treatment, but 4
participants resumed work after an extended period of sick leave"
-
Human Growth Hormone in a Pill - Part 2 - Cooper Wellness, 4/02
-
Human Growth Hormone in a Pill - Part 1 - Cooper Wellness, 3/02 -
"Medical professionals only use HGH intravenously,
because the substance is destroyed in the digestive tract when taken by
mouth. Manufacturers of oral supplemental HGH, of course have not shared
this information with consumers. Although many of these nutritional products
claim to have a special patented formula, which is "backed by research",
take precaution because these "studies" are most likely not from the actual
testing of the product, but from the mere "borrowing" of studies using the
intravenous form. In addition, many "HGH" products do not even have HGH
listed on their label, but instead include a wide variety of amino acids"
-
Growth Hormone Benefits Children With Steroid-Dependent Inflammatory Bowel
Disease - Doctor's Guide, 2/5/02
- Oral
Estrogen May Aggravate Metabolic Abnormalities in Women with Growth Hormone
Deficiency - Doctor's Guide, 11/30/01
-
Conference Report -Specialized Nutrition in Critically Ill Patients
- Medscape, 11/01 - "Growth hormone is a polypeptide
responsible for increasing carbohydrate and lipid metabolism and stimulating
protein synthesis ... a recent study performed by Takala and colleagues[1]
demonstrated an increase in mortality associated with the use of growth
hormone. The heterogeneous population enrolled in this large, randomized,
multicenter study included cardiac and abdominal surgical patients, trauma,
and respiratory failure patients ... Unlike the trauma and burn patient
population studied previously who were at their maximal metabolic and
inflammatory state of the disease process, these patients were not yet at
that level. Therefore, administration of growth hormone at this time within
the disease course produces an initial energy deficit due to an increase in
cellular metabolism and an increase in cytokine levels. These hypermetabolic
and proinflammatory effects of growth hormone are thought to have led to a
lack of oxygen supply to vital tissues, resulting in multiple organ failure
and death. Dr. Gervasio concludes that growth hormone, at this time, should
not be given to patients with critical illness with the possible exception
of thermally injured or trauma patients."
- Saizen
Improves Cardiac Performance As Well As Body Composition in Hormone
Deficient Adults - Doctor's Guide, 7/9/01 -
"showed a decrease in systolic volume of 4.29 percent compared with a
decrease of 1.14 percent in the placebo group ... Men who used the hormone
had a mean increase in lean body mass approaching 4 kg, whereas women
experienced an increase of less than 1 kg. Similarly, the average man’s
total fat decreased by more than 2 kg while women’s total fat decreased by
less than 2 kg"
-
Insulin-Like Growth Factor 1 Helps Predict Retinopathy Of Prematurity
- Doctor's Guide, 6/24/01 - "has been shown to be
associated with low serum levels of insulin-like growth factor 1 in pre-term
children"
- Increased
Bone Density Following Two Years Of Growth Hormone Treatment In Men With
Idiopathic Osteoporosis - Doctor's Guide, 6/24/01
- Growth
Hormone, Alendronate And Tissue-Selective Estrogen All Effective In
Osteoporosis - Doctor's Guide, 6/21/01
-
Youth for Sale, Antiaging Patients Looking, Feeling Good -- But Long-Term
Safety Unknown - WebMD, 10/13/00
-
Poor Sleep Erodes Middle-Aged Men - Intelihealth, 8/16/00 -
"We actually know that if we increase deep sleep, we can increase growth
hormone"
-
Hormones' Anti-Aging Potential Draws Attention - WebMD, 6/26/00
- Human
Growth Hormone Not Beneficial In Ischemic Heart Failure, May Impact Markers
For Heart Disease - Doctor's Guide, 6/22/00
- Vigorous
Exercise Not Linked To More Growth Hormone Production In Elderly
- Doctor's Guide, 6/20/00
-
Growth Hormone Improves Symptoms In Crohn's Disease Patients -
Intelihealth, 6/1/00
-
Growth Hormone IGF-1 & Prostate Cancer - Life Extension Magazine, 5/98
-
Sleep's healing properties - CNN, 8/25/99 -
"During deep sleep, the production of growth hormone
is at its peak. Growth hormone speeds the absorption of nutrients and amino
acids into your cells and aids the healing of tissues throughout your body.
The hormone also stimulates your bone marrow, where your immune system cells
are born"
- Stimulating
Growth Hormone Reduces Body Fat, Increase Hormone Levels - Doctor's
Guide, 6/14/99
- Comments on HGH from Dallas
- A. Smith, 1/6/99
- Human Growth
Hormone Leads Anti-Aging Revolution - Doctor's Guide, 11/22/97
- Growth
Factor May Help Control Blood Sugar In Diabetic Teens
- Doctor's Guide, 10/24/97
- AIDS Patients
on Growth Hormone Gain Significant Amount of Lean Tissue
- Doctor's Guide, 11/29/96
- Human Growth
Hormone Leads Anti-Aging Revolution - Doctor's Guide, 11/22/96
- Humatrope
Approved for Somatropin Deficiency Syndrome in Adults
- Doctor's Guide, 8/8/96
- AIDS
Patients On Growth Hormone Gain Weight Without Eating More - Doctor's
Guide, 6/8/96
Hormone Tables |
IGF-1 Serum
(Somatomedin C) |
Age |
Male (NG/ML) |
Female (NG/ML) |
2 months - 5 years |
17 - 248 |
17 - 248 |
6 years - 8 years |
88 - 474 |
88 - 474 |
9 years - 11 years |
110 - 565 |
117 - 771 |
12 years - 15 years |
202 - 957 |
261 - 1096 |
16 years - 24 years |
182 - 780 |
182 - 780 |
25 years - 39 years |
114 - 492 |
114 - 492 |
40 years - 54 years |
90 - 360 |
90 - 360 |
> 55 years |
71 - 290 |
71 - 290 |
|
|
|
Insulinlike Growth
Factor Binding Protein 3 (IGFBP-3) |
Age |
Units |
|
30 - 35 |
1.29 - 4.06 |
|
35 - 40 |
1.50 - 3.44 |
|
40 - 45 |
1.33 - 3.58 |
|
45 - 50 |
1.44 - 2.75 |
|
50 - 55 |
1.31 - 2.52 |
|
55 - 60 |
1.53 - 2.43 |
|
60 - 70 |
1.40 - 3.22 |
|
To Increase Height:
-
Growth Hormone Therapy Ups Kids' Height - WebMD, 11/6/08
-
Anastrozole Increases
Predicted Adult Height of short adolescent males treated with growth
hormone: A Randomized, Placebo-Controlled, Multicenter Trial for One to
Three Years - J Clin Endocrinol Metab. 2007 Dec 28 -
"Anastrozole increases adult height potential of
adolescent boys on GH therapy while maintaining normal pubertal progression
after 2-3 yrs. This treatment offers an alternative in promoting growth in
GH deficient boys in puberty"
-
Predicting Growth Hormone Treatment Success - Science Daily, 12/17/07
-
Growth Hormone Injections Add Height, But Kids Stay Short - Doctor's
Guide, 7/18/07
-
Iplex Available in U.S. for Children With Severe Short Stature -
Doctor's Guide, 5/25/06
-
Tercica Launches Increlex (mecasermin [rDNA origin] injection) in United
States - Doctor's Guide, 1/4/06
-
Drug approved for children
with stunted growth - MSNBC, 9/1/05
-
FDA Approves Tercica's Increlex for Short Stature Caused by Severe Primary
IGF-1 Deficiency - Doctor's Guide, 8/31/05
-
Study Shows New Method Of Growth Hormone Dosing Improves Height -
Science Daily, 6/7/05
-
Norditropin NordiFlex (somatropin [rDNA] injection), Treatment for Growth
Hormone Deficiency, Now Available in US
- Doctor's Guide, 1/26/05
- Growth Hormone
Helps Short Children Achieve Normal Adult Height
- Medscape, 10/13/04
- New Diagnosis
for Very Short Kids - WebMD, 9/10/04
- Short Kids
Benefit From Growth Hormone - WebMD, 8/20/04
-
Growth hormone improves height in patients with juvenile idiopathic
arthritis: 4-year data of a controlled study - J Pediatr. 2003
Oct;143(4):512-9
- Zinc May Increase
Stature in Some Growth Hormone-Deficient Children
- Healthwell Exchange Daily News, 10/16/03
-
FDA Approves Humatrope (Somatropin) for Short Stature
- Doctor's Guide, 8/5/03
-
Debating The Use Of Growth Hormone In Healthy But Short Children
- Intelihealth, 6/20/03
- Short Kids May
Get Growth Drug - WebMD, 6/11/03
-
FDA advisers back growth hormone for healthy but short kids
- USA Today, 6/11/03
-
Growth Hormone Adds Height to Short, Normal Kids - Doctor's Guide,
5/6/03
- The Role of Growth
Hormone Therapy in Short Children Born Small for Gestational Age
- Medscape, 11/27/02
-
Raised Cancer Risk From Human Growth Hormone Treatment
- Doctor's Guide, 7/25/02
-
Adult height after long term treatment with recombinant growth hormone for
idiopathic isolated growth hormone deficiency: observational follow up study
of the French population based registry
- Doctor's Guide, 7/15/02
-
Growth Hormone Administration Enhances Peak Bone Mass After Full Height
Achieved - Doctor's Guide, 6/24/02
-
Psychological Impact Of Growth Hormone Deficiency May Need Lifelong
Management - Doctor's Guide, 2/7/02
-
Insulin-Like Growth Factor-1 Does Not Promote Linear Growth In Children With
Cystic Fibrosis - Doctor's Guide, 12/20/01
- FDA Grants Orphan Drug
Status to Genotropin (Somatropin) For Growth Failure in Small for
Gestational Age Children - Doctor's Guide, 7/26/01
- Growth Hormone Adds
Centimetres To Final Adult Height - Doctor's Guide, 7/10/01
- “Short-Normal” Kids Don’t
Benefit From Growth Hormone Therapy
- Doctor's Guide, 7/9/01
-
Growth Hormone Gives Kids a Boost That Lasts - WebMD, 9/27/00
- FDA Approves Nutropin
Depot For Pediatric Growth Hormone Deficiency - Doctor's Guide, 12/24/99
- Growth-Hormone Deficient
Babies Are Normal Length At Birth
- Doctor's Guide, 5/3/99
- Growth-Hormone Treatment
Effective In Short But Healthy Children
- Doctor's Guide, 2/18/98
- Growth Hormone Treatment is
Falling Short - Doctor's Guide, 9/23/97
- Early Treatment With Growth
Hormone In Short Girls Has No Long-Term Side Effects
- Doctor's Guide, 3/27/98
Other News:
-
Insulin-like growth factor-1 and risk of Alzheimer dementia and brain
atrophy - Neurology. 2014 Apr 4 - "Mean IGF-1
levels were 144 ± 60 μg/L in generation 1 and 114 ± 37 μg/L in generation 2.
We observed 279 cases of incident dementia (230 AD dementia) over a mean
follow-up of 7.4 ± 3.1 years. Persons with IGF-1 in the lowest quartile had
a 51% greater risk of AD dementia (hazard ratio = 1.51, 95% confidence
interval: 1.14-2.00; p = 0.004). Among persons without dementia, higher
IGF-1 levels were associated with greater total brain volumes (β/SD
increment in IGF-1 was 0.55 ± 0.24, p = 0.025; and 0.26 ± 0.06, p < 0.001,
for generations 1 and 2, respectively)"
-
HGH -- Human Growth Hormone -- Injections Give Couple New Energy, Enjoyment
of Life - ABC News, 8/9/11 - "But the practice
of injecting hGH is highly controversial and potentially risky"
-
Why
muscles weaken with age and points to possible therapy - Science Daily,
8/2/11 - "As we grow older, our skeletal muscles
tend to wither and weaken, a phenomenon known as sarcopenia. Sarcopenia,
which begins to appear at around age 40 and accelerates after 75, is a major
cause of disability in the elderly. Exercise can help counter the effects of
age-related muscle loss ... Both the aging process and the genetic defect
responsible for muscular dystrophy cause an increase in the production of
oxygen free radicals, highly reactive and harmful molecules. "Our data
suggest that this sets up a vicious cycle, in which the free radicals cause
ryanodine receptors to leak calcium into the cell. The calcium poisons
mitochondria -- organelles that power the cell -- leading to the release of
even more free radicals. This, in turn, causes more calcium leakage. With
less calcium available for contraction, the muscles get weaker," ... The
study also points to a possible therapy for sarcopenia: an experimental drug
called S107 ... "Most investigators in the field of aging have been saying
that the way to improve muscle strength is to build muscle mass, using such
therapies as testosterone, growth hormone, and insulin-like growth
factor-1," says Dr. Marks. "But an increase in muscle mass is not
necessarily accompanied by an increase in muscle function"
-
Antagonists of growth hormone-releasing hormone (GHRH) reduce prostate size
in experimental benign prostatic hyperplasia - Proc Natl Acad Sci U S A.
2011 Feb 14 - "Reduction of prostate weights was
observed after 6 wk of treatment with GHRH antagonists: a 17.8% decrease
with JMR-132 treatment; a 17.0% decline with MIA-313 treatment; and a 21.4%
reduction with MIA-459 treatment (P < 0.05 for all). We quantified
transcript levels of genes related to growth factors, inflammatory
cytokines, and signal transduction and identified significant changes in the
expression of more than 80 genes (P < 0.05). Significant reductions in
protein levels of IL-1β, NF-κβ/p65, and cyclooxygenase-2 (COX-2) also were
observed after treatment with a GHRH antagonist. We conclude that GHRH
antagonists can lower prostate weight in experimental BPH. This reduction is
caused by the direct inhibitory effects of GHRH antagonists exerted through
prostatic GHRH receptors. This study sheds light on the mechanism of action
of GHRH antagonists in BPH and suggests that GHRH antagonists should be
considered for further development as therapy for BPH"
-
Growth Hormone Treatment After Weight Loss Surgery Prevents Loss Of Muscle
Mass - Science Daily, 2/3/09
-
Does
Growth Hormone Drug Slow Alzheimer's Disease? - Science Daily, 11/17/08
- "A new study shows that a drug that increases the
release of growth hormone failed to slow the rate of progression of
Alzheimer's disease in humans"
-
Meat 'ups prostate cancer risk' - BBC News, 10/7/08 -
"Such a diet raises levels of a hormone called
Insulin-like Growth Factor-1 (IGF-1) which promotes cell growth ... men with
high blood levels of IGF-1 were up to 40% more likely to develop prostate
cancer than those with low levels ... levels could be up to 15% higher in
people who ate a lot of meat and dairy products" - Note: Growth
hormone increases IGF-1.
-
Growth Hormone Boosts
Exercise Capacity in Heart Failure - Medscape, 12/19/07
-
Long-lasting Growth Hormone Developed - Science Daily, 9/4/07
-
FDA approves growth hormone - USA Today, 5/31/06
-
Guidelines Issued for Management of Adult Growth Hormone Deficiency -
Medscape, 5/1/06
-
Supplemental Growth Hormone in Healthy Adults - Medscape, 4/20/06 -
"Without sufficient scientifically based evidence
for anti-aging effects of GH, our professional societal responsibility is to
adhere to regulatory guidelines appropriately restricting expensive
(~US$8,000 or more per annum) adult GH therapy to bona fide replacement
needs"
-
New
Research May Explain Why Some Who Receive Growth Hormone Therapy Develop
Colon Polyps - Science Daily, 4/10/06
-
Growth Hormone Is Made In The Brain, Report Scientists - Science Daily,
3/28/06
-
Does Growth Hormone Cause Cancer? - Medscape, 2/9/06 -
"Finally, even if GH/IGF-1 therapy does result in a
small increase in cancer risk compared with untreated patients with GH
deficiency, it is likely that the eventual risk will be the same as the
general population"
-
Growth Hormone Stimulates Healing, Regeneration
- Physician's Weekly, 1/26/04 - "it may also
activate a gene critical in enabling the body's tissues to heal and
regenerate. The findings of the study may provide clues to explain why
people age"
-
Aetiology of Growth Hormone Deficiency Impacts on Response to Replacement
Therapy - Doctor's Guide, 4/30/03
-
Insulin-Like Growth Factor 1 Changes Linked To Proliferative Diabetic
Retinopathy - Doctor's Guide, 3/17/03 - "They
suggested that patients with proliferative diabetic retinopathy show a
deficit in intraocular production of free IGF-1. Finally, they argued that
the findings suggest that IGF-1 produced by the eye plays a role in retinal
homoeostasis"
- Researchers
Discourage Human Growth Hormone as Anti-Aging Treatment
- WebMD, 2/26/03 - "Last November, one of the
largest studies published suggested that injected HGH did build muscle and
bone mass and help healthy seniors lose weight. However, 40% of the 131 men
and women studied developed serious side effects -- including arthritis-like
joint pain and swelling, carpal tunnel syndrome, and diabetes-like changes
in blood glucose levels ... is especially concerned about the use of amino
acid pills, which are sold on various anti-aging web sites and through
magazines ... Besides increasing risk of liver damage, these products could
interfere with other medications, such as the blood-thinner Coumadin ... "We
have yet to see serious sustained side effects in anti-aging patients
treated under the recommended protocols taught at our conferences," says
Klatz"
-
Growth Hormone Affects Women Similarly Regardless of Weight
- Doctor's Guide, 12/12/02
-
Recombinant Human Growth Hormone Reduces Fat Redistribution in HIV+ Patients
- Doctor's Guide, 10/4/02
- Growth Hormone
Eases Fibromyalgia Pain - WebMD, 6/27/02
-
Fibromyalgia Responds to Growth Hormone Treatment
- Doctor's Guide, 6/20/02 - "Patients with
fibromyalgia get relief from many of their symptoms when they are treated
with growth hormone therapy ... We had previously found that a high number
of patients with fibromyalgia have low levels of insulin-like growth
factor-1 [IGF-1] ... The results suggest that a secondary growth hormone
deficiency may be responsible for some symptoms of fibromyalgia"
-
Women With Fibromyalgia Have Impaired Growth Hormone Secretion
- Doctor's Guide, 5/22/02
- Fibromyalgia: A
Growth-Hormone Defect? - WebMD, 5/3/02 - "They
found that growth-hormone levels went up in the healthy women, but not in
the women with
fibromyalgia ... What caused this
growth-hormone defect? The researchers guessed that it might be too much of
another hormone -- somatostatin -- which blocks growth hormone"
-
Growth Hormone Secretion Impaired In Children With Sleep Apnoea
- Doctor's Guide, 4/3/02
-
Recombinant Human Growth Hormone Improves Malnourished Kidney Failure
Patients - Doctor's Guide, 11/13/01
- No Increased Risk Of
Second Neoplasms Among Childhood Cancer Survivors Treated With Growth
Hormone Therapy - Doctor's Guide, 7/9/01
- Human Growth Hormone,
Serostim (Somatropin for Injection) Lot Counterfeit - Doctor's Guide,
5/18/01
- Children and Parents
Overwhelmingly Prefer Norditropin Cartridge (Somatropin Injection) and
NordiPen Delivery System - Doctor's Guide, 4/27/01 -
"NovoFine needles benefit from thin wall technology,
which allows for thinner needles with a wider bore than standard needles,
resulting in less discomfort during injection"
- Norditropin Cartridges,
Premixed Growth Hormone, Available In The US - Doctor's Guide, 10/3/00
- FDA Approves Cool.click
Needle Free Device For Saizen (Somatropin) Growth Hormone - Doctor's
Guide, 6/26/00 - "Based on our clinical studies, the
Cool.click needle-free delivery device reduces the fear and anxiety that
many parents and patients experience with needle injections"
- FDA Approves Liquid
Norditropin (Somatropin [rDNA Origin] Injection) Growth Hormone -
Doctor's Guide, 6/21/00
- Somavert (Pegvisomant)
Blocks Excessive Growth Hormone In Acromegaly
- Doctor's Guide, 4/20/00
- Single-Use Genotropin, For
Growth Hormone Deficiency, Available In US - Doctor's Guide, 1/20/00
- Norditropin Human Growth
Hormone Launched in the U.S. - Doctor's Guide, 2/20/97
Abstracts:
-
Both Low and
High Serum IGF-I Levels Associate with Cancer Mortality in Older Men - J
Clin Endocrinol Metab. 2012 Sep 26 - "our data revealed
a U-shaped association between serum IGF-I levels and all-cause mortality. Low
as well as high serum IGF-I (quintile 1 or 5 vs. quintiles 2-4) associated with
increased cancer mortality [hazard ratio (HR) = 1.86, 95% confidence interval
(CI) = 1.34-2.58; and HR = 1.90, 95% CI = 1.37-2.65, respectively]. Only low
serum IGF-I associated with increased CVD mortality (quintile 1 vs. quintiles
2-4, HR = 1.48, 95% CI = 1.08-2.04) ... Our findings demonstrate that both low
and high serum IGF-I levels are risk markers for increased cancer mortality in
older men. Moreover, low IGF-I levels associate with increased CVD mortality"
-
Does Growth
Hormone Replacement Therapy Reduce Mortality in Adults with Growth Hormone
Deficiency? Data from the Dutch National Registry of Growth Hormone Treatment in
Adults - J Clin Endocrinol Metab. 2011 Aug 17 -
"Adults with GH deficiency (GHD) have a decreased life expectancy. The effect of
GH treatment on mortality remains to be established ... In the treatment group,
95 patients died compared to 74.6 expected [SMR 1.27 (95% confidence interval,
1.04-1.56)]. Mortality was higher in women than in men. After exclusion of
high-risk patients, the SMR for CVD mortality remained increased in women.
Mortality due to malignancies was not elevated. In the control groups mortality
was not different from the background population. Univariate analyses
demonstrated sex, GHD onset, age, and underlying diagnosis as influencing
factors. Conclusions: GHD men receiving GH treatment have a mortality rate not
different from the background population. In women, after exclusion of high-risk
patients, mortality was not different from the background population except for
CVD. Mortality due to malignancies was not elevated in adults receiving GH
treatment. Next to gender, the heterogeneous etiology is of influence on
mortality in GHD adults with GH treatment"
-
Growth
hormone replacement therapy in elderly growth hormone deficient patients: a
systematic review - Eur J Endocrinol. 2011 Feb 21 -
"Recombinant human growth hormone (rhGH) is indicated for the treatment of
adults with growth hormone deficiency (GHD). However, conflicting data are
available on the efficacy of rhGH treatment in elderly GHD patients ... We found
11 eligible studies with a total of 534 patients. Only 2 studies had
prospective, randomized, placebo-controlled study designs with a duration of
rhGH treatment of 6 (n=15) and 12 months (n=62), respectively. Treatment with
rhGH decreased total and LDL cholesterol levels by 4-8% and 11-16%,
respectively, but did not alter HDL or triglyceride levels. RhGH did not affect
body mass index, but decreased waist circumference (by~3cm) and waist/hip ratio.
RhGh did not consistently affect blood pressure or bone mineral density. RhGH
increased lean body mass by 2-5% and decreased total fat mass by 7-10% in 4
studies, but did not affect body composition in 2 other studies. RhGH
consistently improved quality of life (QoL) parameters reflected in
AGHDA-scores. There are no explicit data on elderly GHD patients aged >80 yrs"
-
Effects of a
growth hormone-releasing hormone antagonist on telomerase activity, oxidative
stress, longevity, and aging in mice - Proc Natl Acad Sci U S A. 2010 Dec 6
- "Both deficiency and excess of growth hormone (GH) are
associated with increased mortality and morbidity. GH replacement in otherwise
healthy subjects leads to complications, whereas individuals with isolated GH
deficiency such as Laron dwarfs show increased life span. Here, we determined
the effects of treatment with the GH-releasing hormone (GHRH) receptor
antagonist MZ-5-156 on aging in SAMP8 mice, a strain that develops with aging
cognitive deficits and has a shortened life expectancy. Starting at age 10 mo,
mice received daily s.c. injections of 10 μg/mouse of MZ-5-156. Mice treated for
4 mo with MZ-5-156 showed increased telomerase activity, improvement in some
measures of oxidative stress in brain, and improved pole balance, but no change
in muscle strength. MZ-5-156 improved cognition after 2 mo and 4 mo, but not
after 7 mo of treatment (ages 12, 14 mo, and 17 mo, respectively). Mean life
expectancy increased by 8 wk with no increase in maximal life span, and tumor
incidence decreased from 10 to 1.7%. These results show that treatment with a
GHRH antagonist has positive effects on some aspects of aging, including an
increase in telomerase activity"
-
Muscle
Strength in Elderly Adults with Growth Hormone (GH) Deficiency after Ten Years
of GH Replacement - Eur J Endocrinol. 2010 May 12 -
"Ten years of GH replacement therapy in elderly GHD adults resulted in a
transient increase in isometric knee flexor strength and provided protection
from most of the normal age-related decline in muscle performance and
neuromuscular function"
-
Insulin-Like
Growth Factor-I and Cancer Mortality in Older Men - J Clin Endocrinol Metab.
2010 Jan 15 - "Higher levels of IGF-I were associated
with progressively higher risk of cancer death after adjusting for age,
IGF-binding protein-1, adiposity, exercise, current smoking, and previous
cancer. The adjusted risk of cancer death was statistically significant for
IGF-I levels above 120 ng/ml, with magnitudes of effect ranging from 1.61 [95%
confidence interval (CI) = 1.28-2.02] to 2.61 (95% CI = 1.46-4.64). For the 46%
of men with IGF-I above 100 ng/ml, the risk of fatal cancer was 1.82 (95% CI =
1.11-2.96) compared to the risk with lower levels" - Note: IGF-1 is a
measurement of growth hormone levels.
-
Higher
circulating levels of igf-1 are associated with longer leukocyte telomere length
in healthy subjects - Mech Ageing Dev. 2009 Nov 10 -
"Both IGF-1 and LTL diminished with age (IGF-1, r=-0.601, P<0.001; LTL,
r=-0.706, P<0.001). Age-adjusted LTL was positively associated with IGF-1 level
throughout the age range of the cohort (r=0.270, P<0.001). IGF-1 accounted for
about 10% of the inter-individual variation in LTL over and above the effect of
age. Our findings suggest that both circulating IGF-1 and LTL are indices of
healthy aging in humans" - Note: hGH increases igf-1.
-
Peroxisome Proliferator-Activated Receptor gamma agonism modifies the effects of
growth hormone on lipolysis and insulin sensitivity - Clin Endocrinol (Oxf).
2008 Mar 10 - "Peroxisome Proliferator-Activated
Receptor gamma (PPARgamma) agonists such as
thiazolidinediones (TZD)
improve insulin sensitivity in type 2 diabetes via effects on fat metabolism,
whereas growth hormone (GH) stimulates
lipolysis and induces
insulin resistance ...Randomized, placebo-controlled, double-blind
parallel-group study including 20 GH-deficient patients on continued GH
replacement therapy. The patients were studied before and after 12 weeks ...
Adiponectin levels almost doubled during pioglitazone treatment (P = 0.0001).
Pioglitazone significantly decreased basal free fatty acid levels (P = 0.02) and
lipid oxidation (P = 0.02). Basal glucose oxidation rate (P = 0.004) and insulin
sensitivity (P = 0.03) improved in the patients who received pioglitazone
treatment. The change in insulin-stimulated adiponectin level after pioglitazone
treatment was positively correlated to the change in insulin-stimulated total
glucose disposal (R = 0.69 ... The impact of GH on lipolysis and insulin
sensitivity is modifiable by administration administration of TZD" - See
pioglitazone at
OffshoreRx1.com.
-
Growth Hormone Replacement Therapy in Adults with Growth Hormone Deficiency
Improves Maximal Oxygen Consumption (VO2 Max) Independently of Dosing Regimen or
Physical Activity - J Clin Endocrinol Metab. 2007 Oct 23 -
"GH replacement therapy in GH-deficient adults improved
VO2 max similarly with both dosing regimens, without any influence of physical
activity. There was no effect on submaximal exercise performance"
-
Effect of Growth Hormone on Body Composition and Visceral Adiposity in Middle
Aged Men with Visceral Obesity - J Clin Endocrinol Metab. 2007 Sep 4 -
"GH therapy is associated with small but statistically
significant decreases in visceral adiposity and an increase in lean mass and
body weight"
-
IGF-1 and IGFBP-3: Risk of prostate cancer among men in the Prostate, Lung,
Colorectal and Ovarian Cancer Screening Trial - Int J Cancer. 2007 Jun 27 -
"our large prospective study showed no overall
association between the insulin-like growth factor axis and prostate cancer
risk, however, IGFmr was related to risk for aggressive prostate cancer in obese
men"
-
Short-term administration of an angiotensin-receptor antagonist in patients
with impaired fasting glucose improves insulin sensitivity and increases free
IGF-I
- Eur J Endocrinol. 2006 Aug;155(2):293-6 -
"received 100 mg losartan during 8 weeks ... After the
treatment period, the HOMA score for insulin resistance had decreased from 5.3
+/- 1.1 to 3.7 +/- 0.9 (P = 0.004) and the 2-h CIGMA score from 23.4 +/- 3.1 to
15.9 +/- 2.1 (P = 0.07). The serum levels of free IGF-I had increased from 57
+/- 18.8 to 134 +/- 31.3 pmol/l" - Does that mean you can more than
double you IGF-1 just by taking an
ARB instead of hGH? I don't
know. See losartan at
OffshoreRx1.com. - Ben
-
Long-term monitoring of insulin sensitivity in growth hormone-deficient
adults on substitutive recombinant human growth hormone therapy -
Metabolism. 2004 Jun;53(6):740-3 - "rhGH therapy
determined an increase in fasting glucose and insulin levels, causing in the
short-term period a worsening of IS. The sustained reduction in BF%, without
further deterioration of IS, suggests that long-term beneficial effects on
body composition may overcome the negative influence of GH on glucose
metabolism"
-
Low-Dose Growth Hormone Inhibits 11beta-Hydroxysteroid Dehydrogenase Type 1
but Has No Effect upon Fat Mass in Patients with Simple Obesity
- J Clin Endocrinol Metab 2003 May;88(5):2113-8 -
"Although GH treatment significantly
raised IGF-I, we were unable to demonstrate significant differences in body
composition or metabolic profiles between GH- and placebo-treated groups. In
addition, there was no alteration in total fat mass over time in the
GH-treated group ... However, in comparison with baseline values, systolic
blood pressure increased (119 +/- 3 vs. 130 +/- 4 mm Hg, P < 0.05 vs.
baseline) and serum F/E ratio decreased (6.1 +/- 0.5 vs. 3.9 +/- 0.5, P <
0.05 vs. baseline) in the GH-treated group only ... Treatment with low-dose
GH in obesity fails to alter fat mass despite a significant elevation in
IGF-I and a shift in the global set point of E to F conversion consistent
with inhibition of 11beta-HSD1" - I
think it's saying that it reduced the active form of cortisol by a third.
That sounds like a big plus in itself. See my
11beta-HSD1 page.
-
Inadequate Copper Intake Reduces Serum Insulin-Like Growth Factor-I and Bone
Strength in Growing Rats Fed Graded Amounts of Copper and Zinc - J.
Nutr. 133:442-448, 2/03 - "In summary, growing rats
fed low and marginal Cu had lower serum IGF-I
than those fed high dietary Cu. Bone strength was also reduced with low
dietary Cu, despite compensatory changes in the bone matrix" - So
maybe a copper deficiency is a reason that many aren't getting an IGF-1 rise
from growth hormone. A copper deficiency can be caused by taking too much
zinc.
-
Serum insulin-like growth factor I regulates brain amyloid-beta levels
- Nat Med 2002 Dec;8(12):1390-7 - "Because IGF-I
treatment of mice overexpressing mutant amyloid markedly reduces their brain
Abeta burden, we consider that circulating IGF-I is a physiological
regulator of regulator of
brain amyloid levels
with therapeutic potential"
-
Growth Hormone and Sex Steroid Administration in Healthy Aged Women and Men:
A Randomized Controlled Trial - JAMA, 11/13/02 -
"In this study, GH with or without sex steroids in healthy, aged women and
men increased LBM and decreased fat mass. Sex steroid + GH increased muscle
strength marginally and O2max in men, but women had no significant change in
strength or cardiovascular endurance. Because adverse effects were frequent
(importantly, diabetes and glucose intolerance), GH interventions in the
elderly should be confined to controlled studies"
-
The Influence of the Growth Hormone in the Profile of Blood Pressure.
Results in Adult Patients with a Deficiency in this Hormone
- Rev Esp Cardiol 2001 Apr;54(4):469-75 -
"Lower systolic blood pressure was observed in GH
deficiency patients"
- Endocrinology of
Aging, Experimental Administration of recombinant human GH (rhGH) in Older
Adults - Medscape, 3/00
-
Growth hormone has no direct effect on human adrenal steroid and
insulin-like growth factor-binding protein secretion - Endocr Res. 1999
Aug-Nov;25(3-4):281-93 - "hGH is unable to directly
stimulate cortisol secretion"
-
Effects of hGH, IGF-I, and diet and exercise on body composition of obese
postmenopausal women - J Clin Endocrinol Metab. 1998 May;83(5):1477-84 -
"These data show that obese postmenopausal women can
lose weight and fat without compromising fat free mass, BMR, or gains in
muscle strength, and that GH and IGF-I given together may enhance fat loss
over either given alone."
-
Low dose recombinant human growth hormone normalizes bone metabolism -
Clin Endocrinol (Oxf). 1996 Jul;45(1):27-32 - "Our
results suggest that 12 months of rhGH treatment at the lowest doses so far
used normalizes bone metabolism and cortical bone density, and improves
trabecular bone density without causing adverse events."
-
Effects of growth hormone on fat mass and fat distribution - Acta
Paediatr Suppl. 1992 Sep;383:62-5; discussion 66 -
"treatment with GH reduces adipose tissue, and redistributes adipose tissue
from abdominal to peripheral depots"
-
Growth hormone treatment in growth hormone-deficient adults. II. Effects on
exercise performance - J Appl Physiol. 1991 Feb;70(2):695-700 -
"We conclude that rhGH treatment in adults with GH
deficiency improves and normalizes maximal exercise performance and improves
submaximal exercise performance and that these changes are related to
increases in lean body mass and muscle mass. Improved cardiac output may
also contribute to the effect of rhGH on exercise performance."
-
Growth hormone treatment in growth hormone-deficient adults. I. Effects on
muscle mass and strength - J Appl Physiol. 1991 Feb;70(2):688-94
-
Effects of hGH in Men Over 60 Years Old - N. E. J. Med. 7/5/90 -
"The effects of six months of human growth hormone
on lean body mass and adipose-tissue mass were equivalent in magnitude to
the changes incurred during 10 to 20 years of aging."
-
Psychological well-being before and after growth hormone treatment in adults
with growth hormone deficiency - Horm Res. 1990;33 Suppl 4:52-4 -
"Preliminary analysis of treatment results shows
that after 6 months, those patients receiving active treatment experienced
less perceived illness than the placebo group. Significant psychological
improvements were noted in the patients' perception of their energy level
and mood."
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