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buffedude
02-08-2003, 02:53 PM
The optimal protocal for HPTA reversal after a cycle has always been controversial. Many BBers use clomid alone with some good response. Some use nolvadex instead with similar results but less acne and mood swings. Some use HCG mid cycle and 2 weeks prior to end of cycle with decent results. Now how about combining all 3 methods. There is paucity of literature on this subject.
This is obviously a non-controlled study, but regardless is useful to BBers because 1) it was done in humans and not mice, fish, or armadillos 2) it was not done on people with idiopathic hypogonadism, rather on steroid using bodybuilders with steroid-induced hypogonadism.
Here is the address for the study : http://mdmuscle.org/Document%20files/Web%20Pdf/An%20Uncontrolled%20Clinical%20Trial%20For%20the%2 0Treatment%20of%20Androg%E2%80%A6.pdf.
But for those that don't have time to read it, it essentially shows that HCG at 2500 IU EOD x 16 days AND clomid 50mg ED AND nolva 20mg ED was succcessful in normalizing test and LH levels in the subjects. In another similar study a n alternative regimen was used with good resuilts: HCG at 2500 IU EOD x 16 days AND clomid 50mg twice a day x 30 days AND nolva 2omg ED x 45 days.

Hope this helps some bros in quest of maximal retention of gains post-cycle. Peace
BD

buffedude
02-08-2003, 02:57 PM
OOPs, let's try the addy one more time:The addy is just too long; can't get it to paste right.
Just cut and past all 4 lines of the whole address back to back


http://mdmuscle.org/Document%20files/Web%20Pdf/An%20Uncontrolled
%20Clinical%20Trial%20For%20the%20Treatment%20of%2 0Androg%E2%
80%A6.pdf

DecaDent*
02-09-2003, 02:40 PM
Nice article. Bump

richard721
02-13-2003, 08:01 AM
Did you see that the injections were intramuscular?? Not subcutaneous.

BLEED GREEN
02-13-2003, 09:25 AM
Bump for good info.

skwood
02-13-2003, 10:32 AM
Nice read, thanks!

buffedude
02-14-2003, 08:09 PM
Richard721- HCG has been used both SQ or IM with similar results. Some get injection pains from SQ use, depending on formulation of the HCG

madchemist36
02-15-2003, 10:40 PM
thanx for the nice info man

basskiller
02-16-2003, 01:43 AM
Abstract- 237 words
Objective: Although shown to be effective for their intended medical treatment,
AAS have been shown to induce hypogonadotropic hypogonadism in adult
males. The medical literature is conflicting in the reports of spontaneous return
and long-term suppression of gonadal suppression post AAS usage. This
observational study documents the treatment protocol of HCG, clomiphene
citrate, and tamoxifen in returning hormonal function to normal post AAS usage.
Design: Five HIV-negative males age 27-49, weighing 77-100 kg, with
serum total testosterone levels below 240 ng/dL and luteinizing hormone (LH)
levels below 1.5 mIU/mL were considered for this observational study. All five
patients were administered the treatment protocol.
Methods: Treatment consisted of combination therapy which included
concurrent administration of (a) Human Chorionic Gonadotropin, (b) Clomiphene
Citrate and (c) Tamoxifen Citrate for a standard duration of 45 days. This
protocol was repeated with every patient until serum LH and total testosterone
values reached normal ranges.
Results: All five patients were considered eugonadal by normal laboratory
reference ranges by the conclusion of treatment. Average serum total
testosterone rose from 98.2 to 692.8 ng/dL (p<.001) while the average serum LH
rose from an average undetectable value of less than 1.0 to 7.92 mIU/mL
(p<.0008).
5
Conclusions: Although the treatment protocol of HCG, clomiphene citrate, and
tamoxifen proved beneficial in reversing AAS induced hypogonadotropic
hypogonadism, future controlled studies need to be performed to confirm the
beneficial effects of this combined pharmacotherapy in returning HPGA
functioning to normal.
Key Words- anabolic-androgenic steroids, clomiphene, HCG, tamoxifen,
testosterone, HIV
6
INTRODUCTION
Testosterone and testosterone analogues, anabolic-androgenic steroids
(AAS), have long been used in the athletic community for improving lean muscle
tissue and strength. A positive correlation has been shown with testosterone to
include: increased protein synthesis resulting in lean muscle tissue development
(Bhasin et al, 1996; 1997; Hervey et al, 1981; Tenover, 1992), enhanced sexual
desire (libido) (Schiavi et al, 1991), increased muscular strength (Bhasin et al,
1996; 1997; Hervey et al, 1981; Sih et al, 1997), increased erythropoiesis
(Bhasin et al, 1997; Evans & Amerson, 1974; Sih et al, 1997; Tenover, 1992), a
possible positive effect on bone development (Anderson et al, 1996; 1997; Baran
et al, 1978; Tenover, 1992), improved mental cognition and verbal fluency
(Alexander et al, 1998), and male masculinizing characteristics (Starr & Taggart,
1992). Recently, however, clinicians have recognized the potential benefits of
their use in the treatment of various disorders and ailments. Numerous studies
have discussed the use of AAS in the treatment of HIV-associated conditions
(Bhasin et al, 2000; Grinspoon et al, 1998; 1999; 2000; Rabkin et al, 1999; 2000;
Sattler et al, 1999; Strawford et al, 1999; Van Loan et al, 1999), hypogonadism
(Bhasin et al, 1997; Davidson et al, 1979; Rabkin et al, 1999; Sih et al, 1997;
Snyder et al, 2000; Tenover, 1992; Wagner & Rabkin, 1998; Wang et al, 2000),
impotence (Carani et al, 1990; Carey et al, 1988; Klepsch et al, 1982; Lawrence
et al, 1998; McClure et al, 1991; Morales et al, 1994; 1997; Nankin et al, 1986
Rakic et al, 1997; Schiavi et al, 1997), burn victims (Demling et al, 1997), various
7
anemia’s (Doney et al, 1992; Gascon et al, 1999; Hurtado et al, 1993; Stricker et
al, 1984), deteriorated myocardium (Tomoda, 1999), glucose uptake (Hobbs et
al, 1996), continuous ambulatory peritoneal dialysis (CAPD) (Dombros et al,
1994), alcoholic hepatitis (Bonkovskyet al 1991; Mendenhall et al, 1993),
hemochromatosis (Kley et al, 1992) and prevention of osteoporosis (Anderson et
al, 1996; 1997; Baran et al, 1978; Behre et al 1997; Hamdy et al, 1998;
Prakasam et al, 1999).
While AAS have proven effective in cases of lean muscle wasting
conditions (HIV/AIDS), this class of medicines is not without their inherent
problems. AAS have been shown to induce hypogonadotropic hypogonadism
(Alen et al, 1987; Bhasin et al, 1996; Bijlsma et al, 1982; Clerico et al, 1981;
Jarow & Lipshultz, 1990; Strawford et al, 1999; Stromme et al, 1974). This
condition typically results from an abnormality in the normal functioning of the
hypothalamic-pituitary-gonadal axis (HPGA), usually from a negative feedback
inhibition of one of the hormone secreting glands, causing a cascading
unbalance in the rest of the axis. Possibly resulting from a physiological
abnormality (i.e. mumps orchitis, Klinefelters syndrome, pituitary tumor) or as an
acquired result of exogenous factors (i.e. androgen therapy, AAS administration).
Clerico et al (1981) found a dramatic suppression of serum gonadotropin levels
in athletes given methandrostenelone, suggesting a direct action of AAS on the
hypothalamus. Similar results of suppressed gonadotropins have been found in
patients supplementing solely testosterone (Bhasin et al, 1996; Marynick et al,
1979; Strawford et al, 1999; Tenover, 1992). Case report studies discussed a
8
36-year old male competitive bodybuilder and a 39-year old father, each using
various AAS regimens over extended periods of time, who showed a blunted
response to GnRH stimulation tests (Jarow & Lipshultz, 1990). One particular
study administered 600 mg of nandrolone decanoate to 30 HIV-positive males
over twelve weeks (Sattler et al, 1999). The results made no reference to LH or
testosterone levels. The lack of gonadotropin measurement is puzzling as the
data showed 12 of 30 subjects experienced testicular shrinkage, implying Leydig
cell dysfunction and suppressed testosterone levels. Other studies using AAS
have also shown no reference to LH or FSH levels but suppressed values are
expected in each case (Bagatell et al, 1994; Behre et al, 1997; Sheffield-Moore
et al, 1999; Tricker et al, 1996).
Declining, or suppressed, circulating testosterone levels as a result of
either pathophysiological or induced hypogonadal conditions can have many
negative consequences in males. Declining levels of testosterone have been
directly linked to a progressive decrease in muscle mass (Mauras et al, 1998),
loss of libido (Schiavi et al, 1991), decrease in muscular strength (Balagopal et
al, 1997; Mauras et al, 1998) impotence (Rakic et al, 1997), oligospermia or
azoospermia (Vermeulen & Kaufman, 1995), increase in adiposity (Mauras et al,
1998) and an increased risk of osteoporosis (Wishart et al, 1995).
While some research suggests that the hormonal axis will spontaneously
return to normal shortly after cessation of testosterone administration (Knuth et
al, 1989), documented cases have taken up to 2 ½ years to return to normal
(Jarow & Lipshultz, 1990). This case of a 39-year old male who previously used
9
AAS was found to have low serum testosterone levels (6nmol/L, range 14 to 28
nmol/L) 2 ½ years after his last administration of the drugs (Jarow & Lipshultz,
1990). For most men, suffering with diminished libido, impotence, depression,
fatigue, muscle atrophy, and infertility for 2 ½ years is not a pleasant option.
Other androgen or anabolic steroid induced cases of hypogonadotropic
hypogonadism have taken 6 months (Gazvani et al, 1997; Wu et al, 1996), 8
months (Gazvani et al, 1997), 10 months (Boyadjiev et al, 2000), 12 months
(Schurmeyer et al, 1984), and 18 months (Gazvani et al, 1997) to finally return to
eugonadal status.
The individual use of human chorionic gonadotropin (HCG), clomiphene
citrate, and tamoxifen citrate in the treatment of testicular sub-function and
gonadotropin suppression, respectively, is well documented. HCG has been
shown to significantly improve gonadal function in hypogonadotropic
hypogonadal adult males (Barrio et al, 1999; Burgess & Calderon, 1997;
Cisternino et al, 1998; D’Agata et al, 1982; 1984; Dunkel et al, 1985; Kelly et al,
1982; Ley & Leonard, 1985; Liu et al, 1988; Martikainen et al, 1986; Okuyama et
al, 1986; Ulloa-Aguirre et al, 1985; Vicari et al, 1992). Studies using clomiphene
citrate to induce endogenous gonadotropin production in males found significant
improvements in LH and FSH values after treatment (Bjork et al, 1977; Burge et
al, 1997; Guay et al, 1995; Landefeld et al, 1983; Lim & Fang, 1976; Ross et al,
1980; Spijkstra et al, 1988). Tamoxifen citrate has also been found to produce a
profound increase in serum LH levels as well as improved semen and sperm
10
quality (Gazvani et al, 1997; Krause et al, 1985; Lewis-Jones et al, 1987; Wu et
al, 1996).
As HCG’s effect is centralized at the Leydig cells of the testicles,
clomiphene citrate and tamoxifen citrate act upon the hypothalamic-pituitary
region in stimulating gonadotropin production. Tamoxifen, a nonsteroidal
antiestrogen, and clomiphene citrate, a nonsteroidal ovulatory stimulant, compete
with estrogen for estrogen receptor binding sites, thus eliminating excess
estrogen circulation at the level of the hypothalamus and pituitary and allowing
gonadotropin production to resume normally. The normal operation of both the
testicular and hypothalamic-pituitary regions is crucial in returning HPGA function
to normal. Returning one component of the axis to normal without concurrently
returning the other would sabotage and inhibit the operation of the entire HPGaxis.
It was with this understanding that HCG was eventually combined with
clomiphene citrate and tamoxifen as attempted therapy to reverse gonadal
function in hypogonadotropic hypogonadal males.
In accordance with previous studies, each medication was used
individually, and along with HCG, in initial trials. The simultaneous use of
clomiphene citrate and tamoxifen was determined through preliminary use of
clomiphene citrate and tamoxifen individually. It was discovered that although
both clomiphene citrate and tamoxifen met with some success, when combined
together they achieved a more significant increase in gonadotropin production.
This clinical outcome resulted in the combination therapy of HCG, clomiphene
citrate and tamoxifen.
11
Following is a clinical evaluation of the combined, simultaneous use of
HCG, clomiphene citrate, and tamoxifen citrate as a treatment option in
suppressed testosterone and gonadotropin levels in hypogonadotropic
hypogonadal adult males. This observational analysis of the aforementioned
treatment protocol assessed the efficacy of these medicines under non-controlled
conditions.
12
METHODS
An observational study was done on the medical records of 5 adult male
patients presenting to a clinic with induced hypogonadotropic hypogonadism.
Patients were monitored and treatment recorded for the purposes of this
observational study.
SUBJECTS
The medical records of five males age 27-49, mean 35.2, weighing 77-100
kg, mean 89.8 kg, with serum total testosterone levels below 240 ng/dL and
serum luteinizing hormone (LH) levels below 1.5 mIU/mL were examined.
Average presenting testosterone level was 98.2 ng/dL (normal= 240-827 ng/dL)
while average LH level was undetectable at <1.0 mIU/mL (normal= 1.5-9.3
mIU/mL). The 5 patients had a history of AAS usage ranging from 9-60 months
prior to presentation. All patients had ceased any testosterone therapy or AAS
usage prior to initiation of treatment. Initial laboratory values confirmed that all
patients had discontinued AAS long enough for endogenous lab values to fall
below normal reference ranges. All patients were muscular in nature with an
average BMI less than 27 at presentation. Table 1 presents the patient
characteristics, anabolic history, and side effects upon presentation of the 5
patients.
13
LABORATORY STUDIES
Initial blood screening consisted of:
AST, ALT, GGT, TOTAL CHOLESTEROL, LH, FSH, TESTOSTERONE,
GLUCOSE, PROLACTIN, PSA TOTAL, TSH, T3 UPTAKE, T4 TOTAL, T4
FREE, HEMOGLOBIN, HEMATOCRIT
Table 2 shows all baseline serum blood levels at presentation. Baseline blood
screening excluded any form of hyperprolactinemia or hypothyroidism as causes
of hypogonadism in most patients. After physician examination and history and
physical evaluation, it was determined that a history of AAS usage was present
and most likely the cause of the patients’ hypogonadotropic hypogonadal lab
values; not hyperprolactinemia or hypothyroidism.
Laboratory testing was performed by Quest Diagnostics Inc., (Houston,
TX) and SmithKline Beecham Clinical Laboratories, (Houston, TX). Repeat
serum LH & testosterone samples were measured by immunoassay using chiron
reagant kits on an ACS-180 instrument.
METHODS
A review of patients’ medical records showed a treatment intervention of
(a) human chorionic gonadotropin (HCG) (Ferring Pharmaceuticals), (b)
clomiphene citrate (Teva Pharmaceuticals), and (c) tamoxifen (AstraZeneca).
Typical dosage of HCG consisted of 2500 units every other day for 16 days. All
14
HCG injections were self-administered intramuscularly. Starting dosages of
clomiphene citrate and tamoxifen were 50mg and 20 mg daily, respectively.
Patients started all three medications simultaneously and reported for the first
follow-up blood work after completion of HCG, 16 days later. The post HCG
blood analysis assessed testosterone-total response only. If testicular
stimulation, i.e. testosterone production, was inadequate, additional HCG was
administered at this stage of therapy rather than waiting an additional 30-45 days
before the protocol completion. If the testicular response to the HCG
demonstrated sufficient testicular stimulation (typically a blood serum level of
>300 ng/dL), clomiphene citrate and tamoxifen were continued for 15 and 30
days, respectively. The arbitrary cut-off level of 300 ng/dL was used as a general
assessment where sufficient Leydig cell stimulation was taking place even in light
of artificial stimulation from HCG. A repeat blood sample was then taken at day
45 to assess hypothalamic-pituitary-gonadal axis status via luteinizing hormone
and total testosterone levels. Because of the varying cessation times of the
medications, the concluding blood sample was taken after a 30 and 15-day
washout period of HCG and clomiphene citrate, respectively. For HPGA function
to be considered normal, both LH and testosterone values had to fall within the
normal reference ranges. For the purposes of patient treatment, if LH and
testosterone values were still below normal limits at the conclusion of 45 days of
treatment, a repeat protocol administration of HCG, clomiphene citrate, and
tamoxifen was given. This protocol was repeated with every patient until LH and
testosterone values reached normal ranges.
15
RESULTS
All five patients were considered eugonadal by normal laboratory
reference ranges by the conclusion of treatment. Average serum total
testosterone rose from 98.2 to 692.8 ng/dL. Average serum LH rose from <1.0 to
7.92 mIU/mL. An average of 48,974 U of HCG (five 10,000 Unit boxes),
3412.5 mg of clomiphene citrate (68.25 50mg tablets), and 968.71 mg of
tamoxifen (48.44 20mg tablets) were used to treat all patients to eugonadal.
Total treatment time ranged from 43-120 days. Mean elapsed time from
initiation of treatment to eugonadal was 68.6 days. Statistical analysis was
performed using repeated measures ANOVA. Pre and post treatment
testosterone values were significantly (p<.001) different as were the LH values
(p<.0008). Table 3 demonstrates the hormone changes during the treatment
period and the duration to eugonadal.
ADVERSE EVENTS
None of the study subjects had any serious or treatment-terminating
effects as a result of the multi-drug protocol. No problems were noted with
regards to parameters of normal urologic function or treatment causing
gynecomastia. Any side effects documented at presentation were reversed by
the conclusion of treatment.
16
DISCUSSION
This observational study demonstrates the possible efficacy of HCG,
clomiphene citrate, and tamoxifen citrate in returning the HPGA to normal
physiological function in adult males suffering from androgen induced
hypogonadotropic hypogonadism. In the case of decreased testicular function
manifested by low testosterone levels, it is of primary importance to first return
the normal function of the testicular cells. The initial lack of response to HCG
should not immediately be a cause for the initiation of testosterone replacement
therapy, as with the current accepted therapy modality by many physicians.
Blood analysis confirmed that no exogenous testosterone was administered
during the treatment period, as exogenous androgens would have had a
suppressive effect on endogenous gonadotropin production. Therefore, because
of the corresponding normal gonadotropin and testosterone values, it is accepted
that gonadotropin and testicular function were normal by the conclusion of
treatment.
The standard treatment of HIV-related muscle wasting, AAS therapy, may
involve decades of treatment and the attendant problems with any therapy of a
prolonged nature. Polycythemia vera, elevated hepatic enzymes, and prolonged
negative alterations in lipid profile are a few of the dangers experienced by HIV
patients administered AAS for extended periods. Of greatest concern is the
increasing numbers of individuals who are currently being treated with AAS to
increase muscle mass either for medicinal or recreational means without
17
attention being given to periodically returning the HPGA to normal. With roughly
4 million men in the U.S. being considered hypogonadal (Lacayo R., 2000;
Sheffield-Moore et al, 1999; Shelton DL, 2000), an estimated 200,000 men are
currently receiving testosterone treatment for the condition (Shelton DL, 2000).
As stated earlier, AAS are being prescribed to HIV & AIDS sufferers to combat
progressive muscle loss. The Centers for Disease Control and Prevention (CDC)
reported an estimated 635,000+ men diagnosed with AIDS through December
2000 while an estimated 97,700 have been reported with HIV (Centers for
Disease Control, vol.12, No. 2, table 5; Centers for Disease Control, vol. 12, No.
2, table 6). In 2000 alone over 31,000 men were diagnosed with the AIDS virus
(Centers for Disease Control, vol. 12, No. 2, figure 3). Between hypogonadal,
AIDS, & HIV males, potentially over 900,000 men are being administered AAS
therapy.
Studies recently published on patients suffering from various tissuedepleting
conditions and HIV affliction (Bhasin et al, 2000; Grinspoon et al, 1998;
1999; 2000; Rabkin et al, 1999; 2000; Sattler et al, 1999; Strawford et al,
1999;1999; Van Loan et al, 1999) have not identified what should be done to
restore normal endocrine status post-treatment. Considering the dosages and
compounds administered in many studies, there is no question that subjects
were left hypogonadal after therapy. In the cases where the periodic use of
testosterone or AAS are necessary, intervention to return the HPGA to normal
should be initiated as soon as possible after the cessation of the AAS. As
18
described herein, a possible treatment modality may be the combined regimen of
HCG, clomiphene citrate, and tamoxifen.
Medical history has demonstrated examples of physician-induced
complications resulting from treatment. Iatrogenic hyperthyroidism (Bartsch &
Scheiber, 1981) and iatrogenic Cushing’s syndrome (Cihak & Beary, 1977;
Kimmerle & Rolla, 1985; Smidt & Johnston, 1975; Tuel et al, 1990) are cases
were administered medications or treatments provoked abnormalities in patients’
normal physiology. The administration of testosterone as a treatment for
hypogonadotropic hypogonadism falls into this same category of causing
endocrine related abnormalities (Bhasin et al, 1996; Marynick et al, 1979;
Strawford et al, 1999; Tenover, 1992). Testosterone replacement therapy has
proven to be very effective in reversing the symptoms of suppressed
testosterone production, but does not treat the underlying cause of the
deficiency. Positive effects of testosterone treatment; i.e. improved sex drive,
improved sense of well-being, lean body mass; are all transient in light of
plummeting gonadotropin levels. Upon cessation of testosterone treatment
patients can expect a complete reversal of positive benefits as exogenously
influenced testosterone levels metabolize and decline rapidly.
Further controlled studies need to be performed showing the combined
effects of HCG, clomiphene citrate, and tamoxifen in returning HPGA functioning
to normal. Long-term follow-up on these patients returning to normal will be
necessary to ensure permanent reversal of hypogonadotropic hypogonadal
conditions. In addition, studies documenting dose-response curves for pituitary

basskiller
02-16-2003, 01:43 AM
19
inhibition and reversal due to AAS administration are critical in determining the
correct dose, duration, and form of treatment that is optimal without causing
permanent damage. When the need for long-term androgen use presents, using
moderately supraphysiologic doses of androgens as suggested by Strawford and
colleagues (1999) coupled with post-treatment HPGA restoration as
demonstrated here, may be a more effective means over high-dose protocols
used to offset negative alterations in lean body mass. Unfortunately current
studies have yet to adequately address a standard of patient care post-androgen
therapy. Because of the negative impact of the hypogonadal state on physical
and mental well- being, pharmacotherapy that restores HPGA function more
rapidly than current modalities would greatly benefit men with hypogonadotropic
hypogonadism.
While we believe that the treatment protocol was effective in returning
normal hormonal function to these men, the lack of randomization or a control
group leaves room for speculation. Although cases of spontaneous return to
eugonadism with no medicinal intervention have been published, these reports
documented durations anywhere from 6-18 months before normal hormone
status was achieved (Gazvani et al, 1997; Wu et al, 1996). If the alternative
treatment modality described herein can reverse suppressed gonadotropin
production and AAS associated side effects much sooner than non-treatment,
further evaluation of this therapy should continue.
20
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ABBREVIATIONS
AAS Anabolic-Androgenic Steroids
AIDS Acquired Immunodeficiency Virus
ALT Alanine aminotransferase
AST Aspartate aminotransferase
BMI Body Mass Index
dL deciliter
FSH Follicle Stimulating Hormone
GGT Gamma-glutamyl transferase
GnRH Gonadotropin Releasing Hormone
HCG Human Chorionic Gonadotropin
HIV Human Immunodeficiency Virus
HPGA Hypothalamic Pituitary Gonadal Axis
kg kilogram
LH Luteinizing Hormone
mg milligram
mIU mili International Units
mL milliliter
ng nanogram
PSA Prostate Specific Antigen
T3 Triiodothyronine
T4 Thyroxine
TSH Thyroid Stimulating Hormone

woody01
02-16-2003, 10:26 AM
i start post in a week.i have liquid clomid and nolv.should i use both?and at what does.clomid is like 300/100/50.what about nolv though post?

WeirdAl
02-16-2003, 11:15 AM
After reading this article, I wonder if the normal post cycle clomid therapy is sufficient to get test levels back to normal.

kossdeh
02-17-2003, 01:36 AM
Just thinking the same thing. Clomid and nolva have always worked for me, or they seem to have. The study doesnt breakdown the groups so that you can see the diff's between the groups to see which drug is most effective. Id hate to throw in all three if I only need one.

buffedude
02-17-2003, 02:41 PM
kossdeh (your screen name doesn't mean what I think it does, does it?) anyway, you are hitting the nail on the head to emphasize the point that the best way to minimize the post-cycle guessing game is to have blood work done. Depending on the age of the person, length of cycle, and the products used different post cycle regimens need to be used. HCG can be quite helpful midcycle to minimize testicular atrophy and to artificially force it to work rather than let it stay inactive throughout the length of the cycle. HCG can also be helpful approx 2 weeks proe to end of cycle if certain steroids that are more prone to suppress HPTA are used, such as Deca. Nolva needs to be used WITH HCG.